on Temperature control system with thermoelectric device By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Certain disclosed embodiments pertain to controlling temperature in a passenger compartment of a vehicle. For example, a temperature control system (TCS) can include an air channel configured to deliver airflow to the passenger compartment of the vehicle. The TCS can include a one thermal energy source and a heat transfer device connected to the air channel. A first fluid circuit can circulate coolant to the thermal energy source and a thermoelectric device (TED). A second fluid circuit can circulate coolant to the TED and the heat transfer device. A bypass circuit can connect the thermal energy source to the heat transfer device. An actuator can cause coolant to circulate selectively in either the bypass circuit or the first fluid circuit and the second fluid circuit. A control device can operate the actuator when it is determined that the thermal energy source is ready to provide heat to the airflow. Full Article
on Vacuum insulated door structure and method for the creation thereof By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A vacuum insulated door structure comprises a first wall having a first edge, outer sidewalls that extend from the first edge to a perimetrical lip, a first inner surface and a first outer surface. A second wall has a second inner surface, a second outer surface and a second edge coupled to the perimetrical lip forming a cavity volume. The second wall includes inner sidewalls defining a second wall opening. The inner sidewalls extend to a back wall and define a second wall offset. A tubular member includes a first end coupled to a first conduit opening in the first wall and a second end coupled to a second conduit opening in the second wall offset. A barrier layer is disposed on the first and second walls and the tubular member. A cavity insulation material is disposed within the cavity volume which is hermetically sealed. Full Article
on Solid state control system By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A control system to selectively control the operation of the compressor of a mini-split air conditioning system including at least one remote evaporator operatively coupled to the compressor to receive refrigerant therethrough, a sensor to monitor the operation of the evaporator and to generate an operating control signal to turn-off the compressor when a predetermined operating condition is sensed at the evaporator and a condensate drain pan to receive or catch condensate from the evaporator, the control system comprising a condensate sensor disposed to sense condensate in the condensate drain pan at a predetermined level and to generate a condensate level signal fed to a battery powered control device including an isolated solid state relay coupled to the sensor by a control coupling device to generate a condensate level control signal fed to the sensor causing the sensor to generate the operating control signal fed to turn off the compressor when condensate within the condensate drain pan reaches the predetermined level. Full Article
on Method and system for the continuous or semi-continuous production of flavored ice By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An ice making system includes a flavored liquid, an ice machine and a refrigerated storage bin. The ice making system continuously produces flavored ice pieces for storage in an ice storage bin. A refrigeration system cools the ice storage bin. Full Article
on Separation method and apparatus By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Separation method and apparatus for separating a gaseous mixture, for example, air, in a cryogenic rectification plant in which a compressed stream is divided into subsidiary streams that are extracted from a main heat exchanger of the plant at higher and lower temperatures. The two streams are then combined and expanded in a turboexpander to generate refrigeration for the plant. The flow rates of the two streams are adjusted to control inlet temperature of a turboexpander supplying plant refrigeration and to minimize potential deviation of the turboexpander exhaust from a saturated vapor state. Control of the expansion ratio can advantageously be applied to allow variable liquid production from the rectification plant. Full Article
on System and method for cooling heat generating components By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT An assembly for cooling heat generating components, such as power electronics, computer processors and other devices. Multiple components may be mounted to a support and cooled by a flow of cooling fluid. A single cooling fluid inlet and outlet may be provided for the support, yet multiple components, including components that have different heat removal requirements may be suitably cooled. One or more manifold elements may provide cooling fluid flow paths that contact a heat transfer surface of a corresponding component to receive heat. Full Article
on Dynamically limiting energy consumed by cooling apparatus By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Cooling apparatuses and methods are provided which include one or more coolant-cooled structures associated with an electronics rack, a coolant loop coupled in fluid communication with one or more passages of the coolant-cooled structure(s), one or more heat exchange units coupled to facilitate heat transfer from coolant within the coolant loop, and N controllable components associated with the coolant loop or the heat exchange unit(s), wherein N≧1. The N controllable components facilitate circulation of coolant through the coolant loop or transfer of heat from the coolant via the heat exchange unit(s). A controller is coupled to the N controllable components, and dynamically adjusts operation of the N controllable components, based on Z input parameters and one or more specified constraints, to provide a specified cooling to the coolant-cooled structure(s), while limiting energy consumed by the N controllable components, wherein Z≧1. Full Article
on Refrigeration system having dual suction port compressor By www.freepatentsonline.com Published On :: Tue, 05 Jan 2016 08:00:00 EST A cooling system for appliances, air conditioners, and other spaces includes a compressor, and a condenser that receives refrigerant from the compressor. The system also includes an evaporator that receives refrigerant from the condenser. Refrigerant received from the condenser flows through an upstream portion of the evaporator. A first portion of the refrigerant flows to the compressor without passing through a downstream portion of the evaporator, and a second portion of the refrigerant from the upstream portion of the condenser flows through the downstream portion of the evaporator after passing through the upstream portion of the evaporator. The second portion of the refrigerant flows to the compressor after passing through the downstream portion of the evaporator. The refrigeration system may be configured to cool an appliance such as a refrigerator and/or freezer, or it may be utilized in air conditioners for buildings, motor vehicles, or other such spaces. Full Article
on Arbiter Verification By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT Operation of an arbiter in a hardware design is verified. The arbiter receives a plurality of requests over a plurality of clock cycles, including a monitored request and outputs the requests in priority order. The requests received by and output from the arbiter in each clock cycle are identified. The priority of the watched request relative to other pending requests in the arbiter is then tracked using a counter that is updated based on the requests input to and output from the arbiter in each clock cycle and a mask identifying the relative priority of requests received by the arbiter in the same clock cycle. The operation of the arbiter is verified using an assertion which establishes a relationship between the counter and the clock cycle in which the watched request is output from the arbiter. Full Article
on Capability Determining Method, Capability Configuration Method, Host, Terminal Device, and System By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A capability determining method for a terminal device, a host, and a system is provided. The capability determining method includes acquiring, by the host, a capability supported by the terminal device. The method also includes determining, by the host according to the capability supported by the terminal device and a capability supported by the host, a capability supported by both the terminal device and the host, and using the capability supported by both the terminal device and the host as an overlapping capability, where the overlapping capability is used by the terminal device to perform capability configuration. The method also includes sending the overlapping capability to the terminal device. Full Article
on REMOTE CONTROL SYSTEM By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A remote control system includes computing boards and a control board. The control board includes a first network physical layer protocol conversion chip, a network signal switch module and a network signal processing module. The control board is electrically connected to the computing boards and communicated with a remote control manager. The first network physical layer protocol conversion chip is electrically connected to the remote control manager. The network signal switch module is electrically connected to the first network physical layer protocol conversion chip and the computing boards. The network signal processing module is electrically connected to the network signal switch module. Full Article
on EXASCALE FABRIC TIME SYNCHRONIZATION By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT Methods and apparatus for implementing time synchronization across exascale fabrics. A master clock node is coupled to a plurality of slave nodes via a fabric comprising a plurality of fabric switches and a plurality of fabric links, wherein each slave node is connected to the master clock node via a respective clock tree path that traverses at least one fabric switch. The fabric switches are configured to selectively forward master clock time data internally along paths with fixed latencies that bypass the switches' buffers and switch circuitry, which enables the entire clock tree paths to also have fixed latencies. The fixed latency of the clock tree path is determined for each slave node. The local clocks of the slave nodes are then synchronized with the master clock by using master clock time data received by each slave node and the fixed latency of the clock tree path from the master clock node to the slave node that is determined. Techniques for determining a clock rate mismatch between the master clock and a local clock is also provided. Full Article
on ARCHITECTURE FOR SOFTWARE DEFINED INTERCONNECT SWITCH By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT An interconnect switch is provided including switching logic executable to facilitate a Peripheral Component Interconnect Express (PCIe)-based interconnect, and further including a control host embedded in the switch to provide one or more enhanced routing capabilities. The control host includes a processor device, memory, and software executable by the processor device to process traffic received at one or more ports of the switch to redirect at least a portion of the traffic to provide the one or more enhanced routing capabilities. Full Article
on SERIAL DATA COMMUNICATIONS SWITCHING DEVICE AND A METHOD OF OPERATING THEREOF By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT The present application relates to a serial data communications switching device and a method of operating the serial data communications switching device. The serial data communications switching device comprises one host port for connecting to a host device; a plurality of client ports each for connecting to one of a plurality of client devices; an arbiter configured to arbitrate the permission to send a message sequence between the plurality of the client devices according to an arbitration scheme; and a TX flow analyzer adapted to detect a client transmission received at one of the client port from a current client device currently having granted the permission and to instruct the arbiter to maintain the granted permission for the current client device for the ongoing client transmission. Full Article
on BUS SERIALIZATION FOR DEVICES WITHOUT MULTI-DEVICE SUPPORT By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A serial bus is provided with a device (sometimes herein referred to as an I2C serializer device) including circuitry and machine logic that operates as follows: when one of the master devices is using the bus for data communication, then the other master(s) will receive a wait signal until the bus becomes available again. This wait signal allows the master devices to wait as a “hardware response,” rather than requiring the master devices to be equipped with software and/or firmware to control the operation of waiting until the serial bus is available. In some embodiments, the use of the I2C serializer device allows a bus operating under a bus serialization protocol (for example, I2C) to be simultaneously connected to multiple master devices even in the case that one, or more, master device(s) do not include any currently conventional form of multi-master support. Full Article
on COMMUNICATION SYSTEM WITH TRAIN BUS ARCHITECTURE By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A communication system with train bus architecture is described. The communication system with the train bus architecture comprises a coupling device for transmitting a first instruction packet string having instruction packets via first path; the controlled module for receiving the first instruction packet string via first path, wherein the controlled module selects one instruction packet from the instruction packets, replaces the selected instruction packet by first response packet for forming second instruction packet string, and processes the selected instruction packet to generate a second response packet; and a terminal device for receiving the second instruction packet string via the first path, and for transmitting the second instruction packet string back to the coupling device via the at least one controlled module along a second path from the terminal device to the coupling device wherein the first path is connected to the second path to form train bus architecture. Full Article
on PHYSICAL LAYER NETWORK INTERFACE MODULE (PHY-NIM) ADAPTATION SYSTEM By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A physical layer network interface module (PHY-NIM) adaptation system provides a PHY-NIM device and an attachable media access control (MAC) device. The PHY-NIM device interconnects with the attachable MAC device and the attachable MAC device interconnects to a network appliance to provide at least one of network switch capabilities and MAC device capabilities for use by the network appliance. The PHY-NIM device interconnects directly to the network appliance where the network appliance has at least one of an internal network switch and an internal MAC device in a southbridge input/output (I/O) interface chip of the network appliance. Full Article
on MICROCONTROLLER PROGRAMMABLE SYSTEM ON A CHIP By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT Embodiments of the present invention are directed to a microcontroller device having a microprocessor, programmable memory components, and programmable analog and digital blocks. The programmable analog and digital blocks are configurable based on programming information stored in the memory components. Programmable interconnect logic, also programmable from the memory components, is used to couple the programmable analog and digital blocks as needed. The advanced microcontroller design also includes programmable input/output blocks for coupling selected signals to external pins. The memory components also include user programs that the embedded microprocessor executes. These programs may include instructions for programming the digital and analog blocks “on-the-fly,” e.g., dynamically. In one implementation, there are a plurality of programmable digital blocks and a plurality of programmable analog blocks. Full Article
on COMMUNICATION SYSTEM WITH SERIAL PORTS FOR AUTOMATICALLY IDENTIFYING DEVICE TYPES AND COMMUNICATION PROTOCOLS AND METHOD THEREOF By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A communication system with serial ports for automatically identifying device types and communication protocols and method thereof are described. The communication system and method are capable of automatically identifying the device types and communication protocols of interface devices with different serial device numbers which are disposed in the serial port architecture. Furthermore, the drivers are capable of performing a serial communication based on the serial port architecture for matching the device types and communication protocols correspondingly, thereby reducing the development and manufacturing costs of communication system. Moreover, the user of an application program module only needs to provide the device numbers and data control information without the cooperation of hardware circuits and manufacturing technique of the interface devices to complete the automatic control and monitoring tasks of the interface devices to increase the utilization convenience. Full Article
on METHOD AND APPARATUS FOR PROTECTING A PCI DEVICE CONTROLLER FROM MASQUERADE ATTACKS BY MALWARE By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A technique allows for protecting a PCI device controller from a PCI BDF masquerade attack from Ring-0 and Ring-3 malware. The technique may use Virtualization technologies to create guest virtual machines that can use a hypervisor to allocate ACPI information from ACPI tables to a secure VM and using extended page tables (EPT) and VT-d policies to protect the MMIO memory range during illegal runtime events. Full Article
on Providing Orientation Support in Receptacles By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A method of receiving a plug at a receptacle is disclosed. The method may include receiving a plug at a receptacle, the receptacle including contacts disposed with a rotational symmetry about a center point of the receptacle. The method may also include determining, via detection circuitry, any orientation of the plug inserted into the receptacle. The method may also include changing, via selection control circuitry, a connection path coupled to the contacts based on the orientation of the plug. Full Article
on METHOD AND SYSTEM FOR SYNCHRONIZING AN INDEX OF DATA BLOCKS STORED IN A STORAGE SYSTEM USING A SHARED STORAGE MODULE By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A storage system includes a first and second control modules (CMs) connected to a client and a storage module over a communication fabric. In response to a data fragment written to the storage module, the first CM is to create a table of contents (TOC) entry in a TOC page maintained in a first storage partition of the storage module, update its FTL map, determine whether the TOC page contains a predetermined number of TOC entries, and in response to determining that the TOC page contains the predetermined number of TOC entries, send a control signal to the second CM via an inter-processor link. In response to the control signal received from the first CM via the inter-processor link, the second CM is to copy the TOC page from the first storage partition to a memory associated with the second CM to allow the second CM to update its FTL map. Full Article
on DELAYED READ INDICATION By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A requester sends, to a responding component, a request to cause the responding component to perform a computation. The requester sends, to the responding component, a delayed read indication, where the delayed read indication indicates that a result of the computation is not to be returned to the requester from the responding component until a data value at a target address of the delayed read indication has changed. The requester receives, from the responding component, an acknowledgment of the delayed read indication, and after receiving the acknowledgment, receives a response to the request without the requester sending another request to the responding component. Full Article
on Automated detection of high performance interconnect coupling By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A port of a first device includes remote device detection logic to detect, on a link, a remote second device, determine, from a voltage generated at the port, whether the second device is direct current (DC)-coupled or alternating current (AC)-coupled to the link, and select one of first settings or second settings to be applied at the port in communications over the link with the second device based on whether the second device is DC-coupled or AC-coupled. Full Article
on COMPUTING SYSTEM WITH A CACHE INVALIDATION UNIT, A CACHE INVALIDATION UNIT AND A METHOD OF OPERATING A CACHE INVALIDATION UNIT IN A COMPUTING SYSTEM By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT The present application relates to a cache invalidation unit for a computing system having a processor unit, CPU, with a cache memory, a main memory and at least one an alternate bus master unit. The CPU, the main memory and the at least one an alternate bus master unit are coupled via an interconnect for data communications between them. The cache invalidation unit generates one or more invalidation requests to the cache memory in response to the alternate bus master unit writing data to the main memory. The cache invalidation unit comprises a page address generator unit to generate page addresses relating to at least one address range and an invalidation request generator unit to generate an invalidation request for each page address. The one or more generated invalidation requests are transmitted by the cache invalidation unit via to the cache memory of the CPU. Full Article
on SPECULATIVE ENUMERATION OF BUS-DEVICE-FUNCTION ADDRESS SPACE By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A first device is determined as connected to a first one of a plurality of ports of a root complex. Addresses are assigned corresponding to a first hierarchy of devices including the first device. A second device is determined as connected through a mapping portal bridge at a second one of the ports of the root complex, the second device included in another second hierarchy of devices. A mapping table is generated that corresponds to the mapping portal bridge. The mapping table defines a translation between addressing used in a first view of a configuration address space of the system and addressing used in a second view of the configuration address space. The first view includes a view of the root complex and the second view includes a view corresponding to the second hierarchy of devices, the first hierarchy of devices being addressed according to the first view. Full Article
on Arbitration of requests requiring a variable number of resources By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT Arbitration circuitry is provided for arbitrating between requests awaiting servicing. The requests require variable numbers of resources and the arbitration circuitry permits the request to be serviced in a different order to the order in which they were received. Checking circuitry prevents a given request other than a oldest request from being serviced when a number of available resources is less than a threshold number of resources. The threshold number is varied based on the number of resources required for at least one other request awaiting servicing. Full Article
on SEMICONDUCTOR DEVICE INCLUDING A PLURALITY OF CIRCUITS AND A BUS CONNECTING THE CIRCUITS TO ONE ANOTHER, AND METHOD OF OPERATING THE SEMICONDUCTOR DEVICE By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A semiconductor device includes a plurality of circuits, a general bus configured to be connected to each of the plurality of circuits and to provide a general channel among the plurality of circuits, and a designated bus configured to be connected to a subgroup of circuits from among the plurality of circuits and to provide a designated channel among the subgroup of circuits. Full Article
on HARDWARE ACCELERATED COMMUNICATIONS OVER A CHIP-TO-CHIP INTERFACE By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A device and method for communicating, via a memory-mapped communication path, between a host processor and a cellular-communication modem are disclosed. The method includes providing logical channels over the memory-mapped communication path and transporting data organized according to one or more cellular communication protocols over at least one of the logical channels. In addition, the method includes acknowledging when data transfer occurs between the host processor and the cellular-communication modem, issuing commands between the host processor and the cellular-communication modem, and communicating and managing a power state via one or more of the logical channels. Full Article
on TRANSMISSION SYSTEM THAT INCLUDES MASTER DEVICE AND A PLURALITY OF SLAVE DEVICES By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A transmission system includes: a master device; and a plurality of slave devices including a first slave device and a second slave device, each of the plurality of slave devices having its own identifier. The master device includes a processor configured to: transmit a control signal of a clock length that the first slave device does not respond to, to the plurality of slave devices at a first timing; and transmit an identifier that identifies the second slave device to the plurality of slave devices at a second timing after the first timing. The second slave device transmits data to the master device when the second slave device receives the control signal and the identifier that identifies the second slave device. Full Article
on Configuration arbiter for multiple controllers sharing a link interface By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT In a system where multiple controllers share a link interface but are not all (1) compatible with the same configuration of the physical layer or (2) using the same clocking, a configuration arbitration subsystem intercepts, organizes, and re-clocks configuration-access requests from the various controller agents. Priorities are assigned according to stored policies. The configuration arbiter grants configuration access to the top-priority agent, synchronizing the agent's message with the arbiter's clock. Lower-priority agents' messages are stored in command queues until they ascend to top priority. Besides preventing timing conflicts and streamlining the coordination of clocks, the configuration arbiter may provide access to physical-layer registers beyond the controllers' built-in capabilities to further optimize configuration. Full Article
on METHOD FOR ASSIGNING ADDRESSES TO NODES OF A BUS SYSTEM, AND INSTALLATION By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A method for assigning addresses to nodes of a bus system, and installation, bus nodes being furnished with an identical delivery address, where (i) an assigning entity, particularly a central computer, start-up computer or bus node sends information to the delivery address via the bus system, (ii) the information includes a first address, (iii) an action is performed whose effect is detected by a first bus node, (iv) the first bus node accepts the first address, (v) the first bus node sends a response to the assigning entity, and (vi) steps (i) through (v) are repeated, each time with a further address for a further bus node. Full Article
on ELECTRONIC APPARATUS AND CONTROL METHOD THEREOF By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An electronic apparatus is provided, the electronic apparatus including: an interface comprising interface circuitry configured to be connectable with at least one of a plurality of sensor modules for sensing an object; a programmable circuit configured to be selectively loaded with at least one of a plurality of hardware images corresponding to the plurality of sensor modules, and to process a sensing signal obtained by sensing the object through the sensor module corresponding to the loaded hardware image; and a controller configured to determine at least one hardware image corresponding to the sensor module connected to the interface from among the plurality of hardware images, and to load the at least one determined hardware image to the programmable circuit. Full Article
on MICROCONTROLLER PROGRAMMABLE SYSTEM ON A CHIP By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT Embodiments of the present invention are directed to a microcontroller device having a microprocessor, programmable memory components, and programmable analog and digital blocks. The programmable analog and digital blocks are configurable based on programming information stored in the memory components. Programmable interconnect logic, also programmable from the memory components, is used to couple the programmable analog and digital blocks as needed. The advanced microcontroller design also includes programmable input/output blocks for coupling selected signals to external pins. The memory components also include user programs that the embedded microprocessor executes. These programs may include instructions for programming the digital and analog blocks “on-the-fly,” e.g., dynamically. In one implementation, there are a plurality of programmable digital blocks and a plurality of programmable analog blocks. Full Article
on Platform Environment Control Interface Tunneling Via Enhanced Serial Peripheral Interface By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An embedded controller is provided for a computer, including a processor, first one or more logic elements providing a serial peripheral interface (SPI) module to communicatively couple the embedded controller to an SPI bus as an SPI slave, and second one or more logic elements providing a platform environment control interface (PECI)-over-SPI engine, to build an SPI packet providing an encapsulated PECI command and send a notification to an SPI master that the packet is available. Full Article
on Technologies for automatic timing calibration in an inter-integrated circuit data bus By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT Technologies for controlling timing calibration of a dedicated inter-integrated circuit data bus by a primary microcontroller are disclosed. The primary microcontroller performs a data transfer with a secondary integrated circuit using the dedicated inter-integrated circuit data bus, and determines a duration of the data transfer. If the duration is outside of an acceptable range, the primary microcontroller updates one or more data transfer timing parameters so that the duration of future data transfers are closer to the acceptable range. Full Article
on Cookery air purification and exhaust system By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT An air filtration and exhaust system is described. The system comprises a microcontroller, a power supply, and a series of sensors that detect the presence of airborne contaminants such as ultra fine particles, smoke, natural gas and radon gas. In the presence of these airborne contaminants, the system is designed to inactivate and prevent operation of nearby food preparation appliances. Once these contaminants have been safely removed, the operation of these appliances is restored. In addition, the ventilation system may be equipped with a purification subassembly, which safely and efficiently removes such containments from the area. The system may also comprise an alarm that is activatable in the presence of these contaminants. Full Article
on Solar collector based on carbon nanotubes and solar heating system using the same By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A solar collector includes a substrate having a top surface and a bottom surface opposite to the upper surface, a sidewall, a transparent cover, and a heat-absorbing layer. The sidewall is arranged on the periphery of the top surface of the substrate. The transparent cover is disposed on the sidewall opposite to the substrate to form a sealed chamber. The heat-absorbing layer is disposed on the upper surface of the substrate and includes a carbon nanotube film having a plurality of carbon nanotubes. The carbon nanotubes in the carbon nanotube film are joined end-to-end. Full Article
on Extended-range heat transfer fluid using variable composition By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT The present invention provides systems and methods for transferring heat using a variable composition organic heat transfer fluid that remains liquid over a wide operating temperature range useful for solar heating applications. Variable composition heat transfer fluids of the present invention comprise a miscible mixture, optionally a completely miscible mixture, of a high boiling point component selected for its beneficial high temperature physical properties, and a low freezing point component selected for its beneficial low temperature physical properties. In some embodiments, the low freezing point component is removed from the heat transfer fluid as the heat transfer fluid is heated, for example by being removed in the vapor phase, thereby selectively varying the composition and physical properties (e.g., vapor pressure, boiling point, etc.) of the heat transfer fluid as a function of temperature. Full Article
on Control of exhaust systems By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT Exhaust capture and containment are enhanced by means of automatic or manual side skirts, a sensitive breach detector based on interference effects, a combination of vertical and horizontal edge jets, and/or corner jets that are directed to the center diagonally from corners. Associated control functions are described. Full Article
on Window mounting for thermal expansion in an oven appliance By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT Mounting for a window in an oven appliance is provided so as to allow for thermal expansion during oven use. More particularly, an expansion zone is provided around the window such that, during heating of the window from oven operation, the window is allowed to expand without restraint that could cause cracking or shattering. Space can be allowed for both lateral and longitudinal expansion of the window. Full Article
on Radiation heat collection device By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT This invention relates to a device that comprises at least one collection unit (11), equipped with a collection tube (21) placed on supports (23), which is formed by an inner absorber tube (31) shaped as a continuous tube and an outer envelope tube (33). The collection unit (11) also comprises reflectors (15) that direct the radiation toward the collection tube (21). Moreover, the device comprises means (41, 43) designed to maintain the collection tube (21) space between the absorber tube (31) and the envelope tube (33) at a pressure of between 5·10−1-5·10−2 mbar. The main advantages of the invention include the reduction in the breaking of glass due to the lower stresses to fatigue, an increase in the effective collection surface (97%-99%) and active management of the vacuum, which makes it possible to monitor the evolution thereof at all times. Full Article
on Modular multifunctional solar structure By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT The Modular Multifunctional Solar Structure is an innovative design in the field of Renewable Energy. This system, the schematic diagram of which is shown in FIG. 2, will collect the energy from the sunlight by using lightweight rotary thermal or bivalent photovoltaic solar receivers (A), sandwiched between Support Columns (B) which house the technical services. Because of its modular concept, this structure allows: an easy and progressive assembly in places exposed to the sun, with negative angles of down to 90°; and a microprocessor controlled solar tracking device, with alternative fixed or manually adjustable settings. These features solve the traditional problems associated with solar energy collectors, which include: a fixed position which is confined to specific angles, or a vertical layout, both of which are inefficient in terms of energy recovery; large dimensions and heavyweight collectors, which may need ungainly support structures; and wasted space. Full Article
on Racking assemblies for solar panel installations By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT Racking assemblies for solar panel installations are provided. The racking assemblies may include a series of posts arranged in two parallel rows and anchored to the ground or other suitable surface. Purlins may be coupled to and may span the posts of each row. Specialized clamps may be used to attach the purlins to a series of mounting rails. The mounting rails, in turn, may support an array of solar modules. Full Article
on Dual fuel control device with auxiliary backline pressure regulator By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A heater assembly can be used with a gas appliance. The gas appliance can be a dual fuel appliance for use with one of a first fuel type or a second fuel type different than the first. The heater assembly can include a fuel regulator valve including a main pressure regulator to regulate the fuel pressure, at least one auxiliary pressure regulator, a first fuel source connection for connecting the first fuel type to the heater assembly, and a second fuel source connection for connecting the second fuel type to the heater assembly. The one or more auxiliary pressure regulators introduce a backline pressure to the main pressure regulator, thereby adjusting the fuel pressure to fall within a predetermined range. Full Article
on Radiant heat reflector and heat converter By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A system may include a tube through which hot fluid is transported from one end to another, wherein the tube radiates heat energy and transfers heat energy to surrounding air by convection. The system may also include a reflector that reflects the radiated heat and a hood that captures the heat energy from the surrounding air through convection, wherein the hood radiates the captured heat energy. The reflector may include a bi-involute curved surface. Full Article
on Solar collector positioning apparatus By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A solar collector positioning apparatus including a base structure and an intermediate frame connected to the base structure by at least two base support legs. The base support legs have a hinged connection to the base structure and a hinged connection to the intermediate frame, thereby constraining the movement of the intermediate frame to a plane substantially orthogonal to a plane occupied by the base structure. A solar collector support frame is connected to the intermediate frame by at least two intermediate support legs. The intermediate support legs have a hinged connection to the solar collector support frame and a hinged connection to the intermediate frame, thereby constraining the movement of the solar collector support frame to a plane substantially orthogonal to a plane occupied by the intermediate frame. Full Article
on Self-contained, multi-fluid energy conversion and management system for converting solar energy to electric and thermal energy By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT The teachings generally relate to a system for converting solar energy into electrical energy and thermal energy using a self-contained system having a plurality of channels for the heat transfer using a respective plurality of fluids. Full Article
on Gas pressure control for warm air furnaces By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT Systems, methods, and controllers for controlling gas-fired appliances such as warm air furnaces are disclosed. An illustrative furnace system can include a burner unit in communication with a combustion air flow conduit and heat exchanger, a variable speed inducer fan or blower adapted to provide a flow of combustion air to the burner unit, a furnace controller and motor speed control unit adapted to regulate the speed of the inducer fan or blower, and a pneumatically modulated gas valve adapted to variably output gas pressure to the burner unit based at least in part on the combustion air flow. Full Article
on Solar heated water distribution system By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A non electric, temperature controlled system for passing or bypassing a solar water heating apparatus includes a temperature controlled water distribution valve directing water to flow from a main supply of water toward a user depending on the setting and configuration of the temperature controlled water distribution valve within the system. Full Article