A partition subset selection module selects a subset of available partitions for a macroblock pair of the plurality of macroblock pairs, based on motion search motion vectors generated by a motion search section, and further based on a macroblock adaptive frame and field indicator. A motion refinement module generates refined motion vectors for the macroblock pair, based on the subset of available partitions for a macroblock pair.

A method and apparatus of reusing reference data for video decoding are disclosed. Motion information associated with motion vectors for coded blocks processed after the current block are derived without storing decoded residuals associated with the coded blocks. Reuse information regarding reference data required for Inter prediction or Intra block copy of the coded blocks is determined based on the motion information. If the current block is coded in the Inter prediction mode or the Intra block copy mode, whether required reference data for the current block are in an internal memory is determined and the reference data are fetched from an external memory to the internal memory if the required reference data are not stored in the internal memory. The reference data in the internal memory is managed according to the reuse information to reduce data transferring between the external memory and the internal memory.

A system and method for transmitting compressed video. A transmitter receives uncompressed video data from a video source, and compresses it using one or more reference frames. A receiver receives the compressed video data and decodes it, using the same reference frames, to form display data. The reference frames are stored in compressed form in both the transmitter and the receiver. Each frame of display data becomes a reference frame for the decoding of a subsequent frame.

A first vector predictor candidate list generating unit generates a first motion vector predictor candidate list from motion vectors of encoded neighboring blocks to blocks to be encoded. A second vector predictor candidate list generating unit generates a second motion vector predictor candidate list from motion vectors of blocks at the same positions as the blocks to be encoded in an encoded image and neighboring blocks to the blocks at the same positions. A combination determining unit determines whether to generate a third vector predictor candidate list combining the first and second vector predictor candidate lists by comparison of a block size of the blocks to be encoded and a threshold size. A vector predictor candidate list deciding unit generates the third vector predictor candidate list from the first vector predictor candidate list.

A first vector predictor candidate list generating unit generates a first motion vector predictor candidate list from motion vectors of encoded neighboring blocks to blocks to be encoded. A second vector predictor candidate list generating unit generates a second motion vector predictor candidate list from motion vectors of blocks at the same positions as the blocks to be encoded in an encoded image and neighboring blocks to the blocks at the same positions. A combination determining unit determines whether to generate a third vector predictor candidate list combining the first and second vector predictor candidate lists by comparison of a block size of the blocks to be encoded and a threshold size. A vector predictor candidate list deciding unit generates the third vector predictor candidate list from the first vector predictor candidate list.

A system constructs an optical flow field that corresponds with a selected video frame. The optical flow field is constructed based on a first motion of a mobile platform having an imaging device and a status of the imaging device. The first motion and the status are determined with measurements of sensors installed on the mobile platform and/or the imaging device installed on the mobile platform. The first motion includes at least one of a first rotation, a horizontal movement, or a vertical movement of the mobile platform. The status includes a rotation of the imaging device and/or an orientation of the imaging device relative to the mobile platform.

A multistage turbomachine is disclosed, comprising a casing with a fluid inlet and a fluid outlet and a plurality of stages arranged in the casing. A flow path extends from the fluid inlet to the fluid outlet through the sequentially arranged stages. Each stage is comprised of a rotating impeller and an electric motor embedded in the casing and arranged for rotating the impeller at a controlled rotary speed. Each electric motor comprises a motor rotor, arranged on the impeller and integrally rotating therewith, and a motor stator stationarily arranged in the casing. Pairs of sequentially arranged impellers are configured for rotation in opposite directions.

A suction pump, in particular a breast pump, comprises a bleed valve with a bleed opening, a bleed body which seals the bleed opening and an operating means for operating the bleed body. The bleed body may be operated such that upon opening the valve initially only a partial region of the bleed opening is released and subsequently a greater part thereof or the whole bleed opening is released. The suction pump provides a large functionality with the smallest size and, furthermore, is cheap to produce and easily assembled.

A vehicle accessory power management assembly has a power device, an accessory device, a power transmitting device and a controller. The power transmitting device has an input part coupled to the power device, an output part coupled to the accessory device, and a speed ratio switching part switchable between a first operating state in which the input part and the output part rotate at a first speed ratio relative to one another and a second operating state in which the input part and the output part rotate at a second speed ratio relative to one another. The controller is configured to switch the speed ratio switching part between the first operating state and the second operating state in response determining whether the speed of output of the power device is above a pre-determined value or below a pre-determined value.

A reciprocating pump includes a housing, a rod, a sleeve, a bellows, and a nut. The housing includes a bellows chamber and a working chamber. The rod extends into the reciprocating pump such that the rod extends through the bellows chamber and partly into the working chamber. The rod includes a shoulder. The sleeve is connected to the rod such that the sleeve surrounds a portion of the rod. The bellows is connected to the sleeve such that the bellows surrounds a portion of the sleeve. The nut is attached to a bottom end of the sleeve such that the nut clamps an end of the bellows to the bottom end of the sleeve.

A valve for a reciprocating pump includes a housing, a first chamber, a second chamber, a first valve element, and a second valve element. The housing includes an inlet and an outlet. The first and second chambers are within the housing. The first chamber includes a first valve seat and is fluidly connected to the inlet. The second chamber includes a second valve seat and is fluidly connected to the outlet. The first valve element is disposed in the first chamber and includes a spring-loaded check valve element. The second valve element is disposed in the second chamber and includes a buoyant material.

A reciprocating pump includes a housing, a rod, a bellows, and a bearing. The housing surrounds a bellows chamber and a displacement chamber. A first portion of the rod extends into the bellows chamber. The bellows has a first end connected to the housing and a second end connected to the rod. The bellows surrounds a second portion of the rod. The bellows includes a plurality of convolutions. The bearing is disposed within the bellows between the bellows and the rod.

A sump pump system having a primary pump, a fluid level sensor, and a primary controller electrically connected to the primary pump for activating the pump when the fluid level sensor indicates a predetermine fluid level has been reached, the primary controller having a primary interface for communicating with a secondary pump. In some forms, the system includes a secondary pump having a secondary controller electrically connected to the secondary pump and having a secondary interface, the primary and secondary interfaces allowing the primary and secondary pump controllers to communicate with one another and allowing at least one of the primary and secondary pump controllers to assume control of both the primary and secondary pump. Related methods are further described herein.

A check valve includes a ball and a seat. The seat includes a body and a hole extending through the body. The hole is smaller in diameter than the ball. The body of the seat is formed from ultra-high-molecular-weight polyethylene. The ultra-high-molecular-weight polyethylene of the seat has an ASTM D648 heat deflection temperature of 46.7° C. at 1.8 MPa.

A system and method of producing fluid from a wellbore by pressurizing the fluid and then directing the pressurized fluid to a centrifugal pump. Pressurizing the fluid compresses gas or vapor within the fluid, thereby decreasing the volume ratio of the gas or vapor within the fluid, which in turn increases operating efficiency of the centrifugal pump. A positive displacement pump, such as a gerotor pump, is used for pressurizing the fluid prior to sending it to the centrifugal pump.

A pump cartridge for mounting on a drive rotor includes a roller assembly having first and second hubs maintained in a spaced apart relationship and defining an axis, and a plurality of planetary rollers arranged in a circumferentially spaced orientation about the axis, the rollers mounted to the hubs displacement radially outward. One or more compressible tubing lines are interposed between the rollers and an interior wall of the pump cartridge housing. The housing and the first and second hubs collectively define a passageway through which a spreader on the drive rotor extends and may be rotated relative to the roller assembly to displace the rollers radially outward to thereby compress the tubing lines against the interior wall. A coupling feature on the first hub engages a roller driving feature of the rotor, so that rotation of the rotor causes rotation of the roller assembly about the axis.

A submersible pumping system includes an electric motor and a pump driven by the electric motor. The pump includes a rotatable shaft driven by the motor, one or more piston assemblies configured for linear reciprocating motion and a mechanism for converting the rotational movement of the shaft to linear reciprocating movement in the piston assemblies. In one aspect, the mechanism for converting the rotational movement of the shaft includes a tilt disc assembly. In another aspect, the mechanism for converting the rotational movement of the shaft includes a camshaft assembly.

A reciprocating jetting water pump primarily for use on a vacuum truck is disclosed. The jetting water pump includes a pair of reciprocating pistons that are each movable within an outer cylinder mounted to a center block. Each of the outer cylinders is mounted to the center block by a plurality of tie-rod that each extend between the center block and an end plate. An airflow passageway is formed in the center block to vent air trapped within the open interior of the first outer cylinder during reciprocating movement of the piston in the first outer cylinder. A control system mounted to the vacuum truck senses the pressure of water leaving the jetting water pump and controls the supply of pressurized hydraulic fluid to the jetting water pump to maintain the water pressure at an operator selected value.

An aero-engine low pressure pump is provided for supplying fuel at a raised pressure to a high pressure pump. The low pressure pump has a pumping mechanism which raises the pressure of fuel flowing though the mechanism. The low pressure pump further has electrical motor which drives the pumping mechanism. The low pressure pump further has a variable frequency motor drive which supplies electrical power to the electrical motor. The variable frequency motor drive measures the electrical power supplied to the electrical motor. The low pressure pump further has a control unit which compares the measured electrical power to a reference power, and, when the measured electrical power is less than the reference power by a predetermined amount, controls the motor drive to increase the power supplied to the electrical motor thereby increasing the pressure rise produced by the pumping mechanism.

A suction chamber for use in a surface pumping system includes a central housing that is substantially cylindrical and has a motor end and a pump end opposite the motor end. The suction chamber includes a motor-end plate bolted to motor end of the central housing and a pump-end plate bolted to the pump end of the central housing. The suction chamber also includes an inlet branch connected to the central housing. A method for assembling a non-welded suction chamber is also disclosed.

A gas turbine engine has a fan section including a fan. A turbine section has a first turbine and a second turbine. A gear reduction between the fan and the first turbine includes an epicycle gear train. The gear reduction is configured to receive an input from the first turbine and to turn the fan at a lower speed than the first turbine in operation. The first turbine further includes a number of turbine blades in each of a plurality of rows of the first turbine. The first turbine blades operate at least some of the time at a rotational speed. The number of blades and the rotational speed is such that the following formula holds true for at least one of the blade rows of the first turbine: (number of blades×speed)/60≧5500. A turbine section is also disclosed.

A device recovers water from an ambient airstream. The device includes a chamber having a group of trays that hold respective amounts of liquid desiccant. A foam media element in each tray absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. An integral heat exchanger adds heat to the chamber during the extraction cycle. A controller is used to integrate and control device operation. The desiccant trays may be selectively configurable in an array to best suit the intended installation. The trays may be arranged in column and row configurations, along with adjustable airflow patterns between each of the trays.

Provided are apparatus and systems having a poppet valve assembly and swing adsorption separation techniques related thereto. A poppet valve includes a valve body, a plurality of static valves fixedly secured to the valve body and a single dynamic poppet valve having a plurality of openings. The plurality of static valves align and mate with the plurality of openings. The single dynamic poppet valve reciprocates to selectively open and close the plurality of static valves.

A power plant includes a boiler, a stream turbine generator, a post combustion processing system, a feed water regeneration processing system and a heat exchanger. Heat from the heat exchanger is used to regenerate (a) a reagent that absorbs carbon dioxide from flue gas and (b) a water-lean desiccant used to increase plant operating efficiency.

The system is provided for continuously separating landfill gas in a raw multi-phase stream coming from a landfill gas collector. The system includes an atmospheric tank and an elongated separator vessel mounted substantially upright above the tank bottom. The elongated separator vessel includes a mid-level inlet that is configured and disposed to be in fluid communication with the landfill gas collector pipe, an upper gas outlet located vertically above the mid-level inlet, and a bottom-opened discharge end that is located vertically below the mid-level inlet. A method of pretreating a raw multi-phase stream captured from a landfill site is also disclosed. The proposed concept provides a relatively simple arrangement that can be made sufficiently rugged to perform a pretreatment of the raw multi-phase stream in a continuous manner and with a very minimal intervention from landfill operators under almost any weather and operating conditions.

A method for filtration of harmful gas effluents from a nuclear power plant including the steps of providing a gas effluent from a nuclear power plant, the effluent including a mixture of gases; filtering the harmful, notably radioactive elements from the gas effluent by membrane separation through at least one membrane, the membrane separation being achieved by sifting, sorption and/or diffusion; storing the filtered harmful elements in storage reservoirs, and discharging the processed gas effluent to the atmosphere.

A process for winning oil from a vapor gas mixture (VGM) containing a plurality of oil fractions obtained by the pyrolysis of a hydrocarbon containing material includes dedusting and cooling the VGM. The dedusted and cooled VGM are fractionated in at least two electrostatic precipitator stages at respective temperatures corresponding to respective boiling points of the oil fractions so as to separate the oil fractions.

A method and apparatus are described for swing adsorption processes. The method includes obtaining different plates, wherein the plates have gaseous openings and a utility fluid opening. Then, the gaseous openings are substantially oriented along a common axis for gaseous openings and the plates are diffusion bonded. Once diffusion bonded, the gaseous openings within the module are wash coated with an adsorbent material.

A pressure swing adsorption process for removal of CO2 from natural gas streams through a combination of a selective adsorbent material containing an effective amount of a non-adsorbent filler, adsorbent contactor design, and adsorption cycle design. The removal of contaminants from gas streams, preferably natural gas streams, using rapid-cycle swing adsorption processes, such as rapid-cycle pressure swing adsorption (RC-PSA). Separations at high pressure with high product recovery and/or high product purity are provided through a combination of judicious choices of adsorbent material, gas-solid contactor, system configuration, and cycle designs. For example, cycle designs that include steps of purge and staged blow-down as well as the inclusion of a mesopore filler in the adsorbent material significantly improves product (e.g., methane) recovery. An RC-PSA product with less than 10 ppm H2S can be produced from a natural gas feed stream that contains less than 1 mole percent H2S.

The present invention relates to a process and apparatus for producing a fluid enriched in carbon dioxide starting from a waste gas from a ferrous metallurgy unit.

Systems and methods are contemplated for down-flow cooling of a feed gas. Contemplated systems can include a housing having an inlet conduit disposed within an upper portion and configured to receive a first stream. First and second stages can be disposed within the housing, with the first stage disposed upstream of the second stage and having a first cooling stream, and the second stage having a second cooling stream that is colder than the first cooling stream. The housing can be configured such that the first stream is cooled by down-flow heat exchange with the first and second cooling streams to produce a conditioned stream depleted of at least a portion of water condensed from the feed gas.

An array of hollow fibers including a plurality of hollow fibers of a predetermined diameter configured to receive a gas having oxygen therein and transfer the oxygen to a fluid and/or transfer carbon dioxide in the fluid to a gas. The array is configured in a predetermined pattern having a predetermined packing density that is a fraction of a total cross-sectional area of the array occupied by the hollow fibers.

A method directed to reducing mineral buildup on drift eliminators of a cooling tower by allowing irrigation of the drift eliminators of the cooling tower with fluid in the basin of the cooling tower to reduce mineral buildup.

A system and method to recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray, the concentration of the liquid desiccant may be dynamically changed based on changes within the system. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.

A cutting head of a waterjet cutting system is provided having an environment control device and a measurement device. The environment control device is positioned to act on a surface of a workpiece at least during a measurement operation to establish a measurement area on the surface of the workpiece substantially unobstructed by fluid. The measurement device is positioned to selectively obtain information from within the measurement area indicative of a position of the cutting head relative to the workpiece. A control system is further provided and operable to position the cutting head relative to the workpiece at a standoff distance based at least in part on the information indicative of the position of the cutting head relative to the workpiece obtained by the measurement device. A method of operating a waterjet cutting system is also provided.

An apparatus for cutting a continuous web includes a disc-shaped rotatable blade member for cutting the continuous web by moving in an intersecting direction, while rotating about an axis of a rotating shaft, a regulating section for regulating a relative movement of the continuous web in the predetermined direction with respect to the rotatable blade member throughout a time during which the rotatable blade member is cutting the continuous web, and a reciprocating mechanism for moving both the rotatable blade member and the regulating section along a forward path and a return path. The forward path has an equal velocity region where both the rotatable blade member and the regulating section move at a velocity value equal to a transport velocity value of the continuous web. The rotatable blade member cuts the continuous web while moving in the equal velocity region.

Rotary cutting apparatus has a frame, a first rotary device and a second rotary device. Each of the first and second rotary devices has a shaft concentrically arranged about a rotational axis and a drum and are arranged in the frame in such a way that said first and second axes are substantially horizontal and substantially in the same vertical plane. A pair of bearing housings is arranged on either side of each of the drums. A first pair of bearing housings is movable relative to the frame in a transverse direction to the first rotational axis by means of a force means. Means is provided for passive vibration attenuation of at least the first shaft that includes a mass damper having a housing and a damping body movably arranged inside the housing, wherein the mass damper is associated with the first pair of bearing housings.

A dual functional electric saw, comprising a saw base, a saw body and a connection mechanism whereby the saw base and the saw body are jointed together, wherein said connection mechanism comprises a connection beam being a fastener of said saw base, a load-bearing column connected with said connection beam, sliding kits installed on the load-bearing column for leading the horizontal motion of said saw body, and an angle regulation fitting being capable of adjusting the cutting angle between work piece and saw disc, with the sliding kits being an axis, one end of the angle regulation fitting is connected to the sliding kits while the other end is connected to the saw body; said saw base comprises a dismountable cover kit and a stand set having a chamber being capable of accommodating the saw body.

The invention relates to a portable, handheld work apparatus such as a trimmer, a cut-off machine, a chain saw or the like, having a motor (5, 33) to drive a rotating, exchangeable work tool (13). A control unit (15) serves to control the operation of the motor (5, 33). The control unit (15) determines the rotational speed (n) and/or the power (P) of the motor (5, 33). According to the invention, the motor (5, 33) can be operated in a first operating mode (I) with reduced rotational speed (n0) and/or power (P0) and in at least a second operating mode (II) with an increased rotational speed (n1) and/or power (P1). In dependence on a release signal, the control uses exclusively the first operating mode (I) for a limited operation and the second operating mode (II) for an expanded operation.

An improved towel dispenser includes a rotatable driveshaft mounted in a one-way clutch bearing fitted with a pinion which engages a vertically oriented press bar assembly including at its lower portion a rack which engages the pinion to advance paper towel through a dispensing nip upon pivotable motion of the press bar assembly. A dispensing chute located below the dispensing nip includes a lower shelf configured to direct web forwardly toward the front portion of a dispenser. The gear rack is preferably an internal gear rack integrally formed with a unitary press bar assembly member. The dispensing chute is configured such that an angle between a cutting-blade and the outer lip of the shelf makes an angle with a vertical of at least about 25°.

A tool is provided for moving a first clamping or gripping member toward or away from a second facing clamping or gripping member, the tool having a double threaded drive shaft coupled to opposed threaded linkage driving members for causing the threaded linkage driving members to be driven toward or away from each other. As the threaded linkage driving members move closer, the resulting angle of the links becomes steeper, thus increasing the mechanical advantage of the clamping tool, enhancing clamping forces. A beneficial result is a clamping apparatus that requires less manual energy than a traditional clamp. Another beneficial result is provided if the same amount of energy is applied to the driveshaft as in a traditional clamp, the resulting clamping force is significantly higher. If the second clamping member is adjustable, it accommodates wide variations in thickness of an object positioned between the first and second clamping members.

A web-member cutting apparatus for cutting a web member at intervals in a transport direction includes: an intermittent transport mechanism for intermittently transporting the web member in the transport direction; a disc-like rotatable blade member for cutting the web member by moving along an intersecting direction while rotating about a rotation shaft during a suspension period of transport of the web member, and a downstream pressing member for regulating movement of the web member by pressing the web member against the intermittent transport mechanism at a position downstream from a target cut position in the transport direction throughout a period during which the rotatable blade member is cutting the web member.

A method and apparatus for cutting a window covering comprises saw for cutting the window blind. A clamp assembly moves the window covering relative to the saw. A controller moves the clamp assembly to automatically position the window covering relative to the saw. The saw is moved into engagement with the window covering to cut the window covering.

A positioning device for a turnable table of a saw machine having a pivot shaft that pivotally connects a pair of clamping units. A pressing member with an attachment portion for attaching to a coupling unit may be formed on each clamping unit. By manipulating a trigger of the coupling unit, the pair of clamping units can be driven to rotate a pair of corresponding clench members for selectively clamping or unclamping a base of the saw machine. Thereby, the turnable table can be secured in place upon adjustment.

A circular saw including a saw blade (36) which may be rotatingly driven about a rotational axis, and at least one first splitting wedge is described. The circular saw is configured so that the first splitting wedge is movable relative to the rotational axis of the saw blade.

A work piece cutting apparatus including a base, a work table, a support post defining a void for a work piece being worked on to pass at least partially through the void, a cutting device, and attachment assembly for securing the cutting device to the support post. Another embodiment of the above apparatus includes a work table being movable to angle orientations relative to the base, and a locking mechanism for locking the work table into angle orientations. A further embodiment is an apparatus adapted for receiving a cutting device. The apparatus includes a base, a work table, and a tool dock base located about the work table. The tool dock base is adapted for receiving a cutting device. Another embodiment of the above apparatus includes a work table being movable to angle orientations relative to the base, and a locking mechanism for locking the work table into angle orientations.

Embodiments herein provide a drive link having a conditioning portion to be used in conjunction with one or more dresser links of a saw chain to condition a sharpening element. The dresser links may include left and right dresser links configured to contact the sharpening element in first and second contact regions which may not overlap, leaving a gap. The conditioning portion of the drive link may contact the sharpening element in a third contact region that includes at least a portion of the gap between the first and second contact regions.

An articulating band saw apparatus provides a frame that includes a vertically extending section having upper and lower end portions. An elevator moves between the upper and lower end portions of the frame. A first hydraulic actuator is supported on the elevator for movement therewith. A first arm provides arm end portions, the first arm supported by the first hydraulic actuator. An end of the first arm supporting a second hydraulic actuator that is spaced away from the first hydraulic actuator. The second hydraulic actuator supports a second arm. An endless band type saw is mounted on the free end of the second arm generally opposite the second actuator. The band saw is movable by articulation of the first and second actuators and resulting movement of the first and second arms. In one embodiment, the band saw is a diamond wire saw.

In some examples, an apparatus includes a base including an arm selectively movable with respect to the base. The arm is selectively rotatable about a first arm axis. A base plate is engaged with the arm. A tool is configured to be detachably coupled to the base plate. The tool is movable with the base plate when coupled to the base plate. The apparatus includes a first mode with the tool coupled to the base plate and the arm being selectively rotatable about the first arm axis, a second mode with the tool coupled to the base plate and the arm being constrained from rotating about the first arm axis, the arm being substantially stationary with respect to the base; and a third mode with the tool detached from the base plate.

A strip die is prepared with cutouts according to a pre-determined pattern, e.g., on a cutting table and positioned on a stripping station that has a removal tool to remove waste material. After a sheet of material is cut on the same or another cutting table, the sheet is positioned in the stripping station over the female strip die. The removal tool moves to programmed positions in the stripping station and removes pieces of waste material. The final stripped cut sheet is the brought to the out-stack.