A gas flow controller for use in a gas-fired apparatus including a pilot burner and a main burner is provided. The controller includes a housing defining a diaphragm chamber, a pilot valve operable to open and close a first fluid flow path between a gas supply inlet of the gas flow controller and the diaphragm chamber, and a main burner valve operable to open and close a second fluid flow path between the gas supply inlet and the main burner. The main burner valve includes a diaphragm that is disposed within the diaphragm chamber and includes a central portion and an annular outer portion. The outer portion is configured to deflect into engagement with the housing to close a third fluid flow path in response to an over-pressure condition at the gas supply inlet.

The present invention comprises an assy PH base at the bottom, a gas combination valve, a reducing bushing unit, a PH perforated cylinder, a tubing unit along with the pilot assembly, PH pan head, a gas combination control assembly, a gas liter unit, a burner assembly and an assy PH emitter grid assembly. A reflector is mounted at the top of the assy PH emitter grid assembly. The present invention provides an automatic ignition system along with ON/OFF switch and the device also has an inbuilt transformer which provides the safety to the user(s). Hence, the present invention is very easy to operate and user friendly.

Burner for an oven for reheating siderurlogical products such as billets, blooms or slabs, or for heat treatment oven, which is equipped with a fuel injection device and with an oxidant feed body feeding feed orifices with oxidant, the burner having an axial direction; the injection device is designed to provide a central injection of fuel via an orifice in, or parallel to, the axial direction of the burner; the oxidant feed body includes two sets of four oxidant feed orifices, each set including two orifices situated above a horizontal plane passing through the axial direction of the burner, and two orifices situated below this plane, the orifices of a second set being further away from the horizontal plane than those of the first set, the geometric axes of the orifices of the two sets making angles of inclination with respect to the axial direction of the burner.

Systems and methods for a pyrolytic oven for processing waste include multiple zones associated with multiple independently-controlled heating sources. The pyrolytic oven may have multiple sensors also associated with each zone. The pyrolytic oven may also include a fuel management system which adjusts a power level of each heating source for each zone independently based on a reading of the corresponding sensor.

Methods, burner, apparatuses, and systems are provided for controlling a velocity of a jet of gas exiting a burner when the gas is heated or not and at a corresponding second higher temperature or lower first temperature. Through the use of a temperature-sensitive magnetic valve, the flow of a gas can be redirected to maintain velocity of the gas as delivered to a combustion chamber based on the temperature of the gas. The temperature-sensitive magnetic valve can redirect flow of the gas based on the magnetic state of a ferromagnetic material. The state of the temperature-sensitive magnetic valve changes based on the temperature of the gas to maintain the velocity of the gas delivered through an outlet of the burner to the combustion chamber. Thus, heated gases and standard temperature gases can be delivered at approximately equal velocities thus maintaining flame size and shape.

A method of ensuring the safety of exhaust of a water heater includes the following steps: A. start the blower and detect a rotational speed of a motor thereof; B. determine a first range based on the detected rotational speed; C. start the blower and detect the rotational speed of the motor when the water heater is restarted again; D. keep supplying gas to the burner for combustion when the rotational speed detected in step C is within the first range. During operation, a second range is determined by detecting the rotational speed of the motor after an outlet water temperature reaches a corresponding constant temperature range; the rotational speed is continuously detected, and the gas supply is stopped if the detected rotational speed is out of the second range. Thereby, the result of the method would be more accurate regardless of the actual installed status of the exhaust pipe.

A sealpot for a combustion power plant includes a downcomer standpipe which receives solids of the combustion power plant, a bed including a first end and a second opposite end, the first end connected to the downcomer standpipe, a discharge standpipe disposed at the second opposite end of the bed, and an orifice plate disposed between the bed and the discharge standpipe separating the discharge standpipe from the bed. The orifice plate includes apertures disposed at a height above the bed which allow transport of fluidized solids and gas through the orifice plate.

A burner includes a perforated flame holder configured to be disposed at a plurality of locations relative to a fuel and air source.

This invention relates to a rotary flame heater, comprising a burner, a first wind wheel, a second wind wheel and a glass tube set in sequence from bottom to top; one side of the burner is set with an ignition device, the first wind wheel and second wind wheel are annular, a plurality of first air inlet passages are aslant set on a side wall of the first wind wheel, a plurality of second air inlet passages are aslant set a side wall of the second wind wheel, the inclined direction of the plurality of first air inlet passages is the same with that of the second air inlet passages. The advantage of this invention is to make full use of the combustion space, increase the contacting area with the glass tube and increase the calorific value when burns the same gas, which achieves a better heating effect.

Embodiments of the inventive concept provide a double-sealed high-temperature resistant DC ignitor for use with a wood pellet burner assembly. The DC ignitor includes a non-heating element portion. The non-heating element portion is connected to at least one of a battery or an AC to DC electrical transformer attached to the wood pellet burner assembly. A heating element is connected to the non-heating element portion, and extends by at least one inch into a combustion region of the wood pellet burner assembly. The heating element portion is configured to be heated by power received from the battery or the AC to DC electrical transformer. The DC ignitor provides safe, reliable, and fast combustion of wood pellets that congregate in a combustion region of the wood pellet burner assembly.

A heat-recovering oven system based on temperature gradient comprises: multiple chambers arranged in a sequence, the chambers configured for operating at various temperatures according to a temperature gradient arrangement that spans the sequence; a conveyor configured for transporting product through the multiple chambers in the sequence for heat treatment according to the temperature gradient arrangement; and multiple temperature-segregated heat exchanger systems, each heat exchanger system including a heat exchanger, a conduit to at least one of the chambers based on its temperature in the temperature gradient arrangement, and a return conduit from the at least one chamber to the heat exchanger.

A printhead cartridge cradle is provided having a frame, a printed circuit board pivotally supported by the frame, a cover pivotally supported by the frame to pivot between a closed position at which a printhead cartridge is secured within the frame and the printed circuit board is pivoted to connect control circuitry on the printed circuit board with a controller of the secured cartridge and an open position at which access for the cartridge with the frame is provided and the printed circuit board is pivoted to disconnect the control circuitry and controller, and a motor operatively connected to a maintenance gear and actuator arrangement and a wiper gear and actuator arrangement for maintaining and wiping a printhead of the secured cartridge under control of the connected control circuitry.

The invention is directed to a piece (2) for a saddletree (1) of mat-like general shape conformed to have both a first overall concavity in a first direction of a longitudinal plane of symmetry and a second overall concavity in a second direction of a transverse plane, delimited by an exterior free edge (14) including a pommel portion, a cantle portion and two longitudinal portions, the exterior free edge being adapted to cooperate with a complementary interior free edge of the saddletree, the mat including a plurality of individual portions at least partly separate, placed in the vicinity of each other so that each individual portion can absorb forces and be deformed in bending or in torsion at least partly independently of the other individual portions, the piece being provided with elements for associating it with the saddletree.

Method and devices for treating equine laminitis by cryotherapy, comprising a boot to be fitted over the horse's hoof, having a wedge shaped sole that is angled by 20° toward the front; The purpose is accomplished by the boot in conjunction with three opportunely shaped removable soles, and a cryotherapy reservoir of flexible material, that is inserted into the boot and connected to an external device for refrigeration by circulation of a fluid.

A saddle latigo strap is threaded to secure a saddle. A body portion of a saddle latigo is looped through a permanent saddle rigging. A first end of the saddle latigo having a tapered portion is inserted through a second end. Notches of the body portion are engaged with holes of the first end to secure the saddle.

A locking headplate for an adjustable saddle tree includes opposed, hingedly connected plates for securing to a saddle tree head portion, a rotatable displacing element for displacing the hingedly connected plates inwardly or outwardly, and at least one supplemental locking mechanism for selectively preventing rotation of the rotatable displacing element. The hingedly connected plates include apertures for receiving a portion of the rotatable displacing element therethrough, the apertures defining at least one cross-sectional dimension that is greater than a corresponding cross-sectional dimension of the rotatable displacing element. Saddle trees and saddles incorporating the locking headplate are provided.

A head harness for a horse includes a browband linked, at the ends thereof, to two headpieces, each of which has, symmetrically on either side of the harness, two attachments arranged side by side, and in that, on the front headpiece, the cheek strap of the bit and one end of the throat latch are attached to the first attachment and to the second attachment, respectively, and in that, on the rear headpiece, the noseband cheep strap and one end of an auxiliary cheek strap and one end of an auxiliary cheep strap are attached to the first attachment and to the second attachment, respectively, the other end of said auxiliary cheek strap being attached onto the noseband cheek strap located on the other side of the harness, and in that the second attachment of the front headpiece that receives the throat latch and the second attachment of the rear headpiece that receives the auxiliary cheek strap are rigidly connected by a link.

A seat support device for a riding animal or a pack animal, a saddle tree, and a saddle with such a saddle tree. The seat support device comprises a right multi-linked lug arrangement with a first link section and at least a second link section and a left multi-linked lug arrangement with a first link section and at least a second link section. A pivoting device with a pivot axis is each formed case between two adjacent link sections, so that two adjacent link sections are pivotable towards one other around a pivot axis substantially within a pivot plane which penetrates the pivot axis substantially perpendicular.

An apparatus includes a slider of a recording head comprising a plurality of electrical bond pads coupled to bias sources and a ground pad. Each of a plurality of electrical components of the slider is coupled to at least one of the electrical bond pads. At least one of the electrical bond pads is a shared electrical bond pad coupled to at least two of the electrical components. At least one diode is coupled to at least one of the electrical bond pads and at least one of the electrical components.

An apparatus includes a waveguide that delivers energy from an energy source, a write pole located proximate the waveguide at a media-facing surface, and a near-field transducer located proximate the write pole in a down track direction. The near-field transducer includes an enlarged portion and a peg extending from the enlarged portion towards the media-facing surface. The peg comprises a taper facing away from the write pole, and the taper causes a reduced down track dimension of the peg near the media-facing surface.

A method and apparatus for detecting tightness of a pick-up head, and a method and apparatus for controlling the moving of the pick-up head are disclosed. The method for detecting the tightness of the pick-up head includes moving the pick-up head to an inner area of the disc reading device when then disc reading device is powered on, moving the pick-up head to an outer area of the disc reading device within a predetermined time period, moving the pick-up head from the outer area of the disc reading device to the inner area at a constant speed by a first fixed force, and recording the moving duration for moving the pick-up head from the outer area of the disc reading device to the inner area at the constant speed.

A main pole has a front end face including a first end face portion and a second end face portion. A plasmon generator has a near-field light generating surface. A surrounding layer has a first surrounding layer end face and a second surrounding layer end face located on opposite sides of the first end face portion in the track width direction. A gap film has a first gap film end face and a second gap film end face located on opposite sides of the near-field light generating surface in the track width direction. Each of the first and second gap film end faces includes a portion located between the first and second surrounding layer end faces, but does not include any portion interposed between the first surrounding layer end face and the first end face portion or between the second surrounding layer end face and the first end face portion.

Embodiments disclosed herein generally relate to a HAMR head. The HAMR head includes a main pole, a waveguide and a NFT disposed between the main pole and the waveguide. The NFT includes an antenna, and a portion of the antenna is disposed at a media facing surface. By increasing the volume of the antenna extending from the MFS, the temperature of the NFT during operation is reduced.

Embodiments disclosed herein generally relate to contact at the disk by the recording head in a hard disk drive. In one embodiment, a direct current is applied to an element in a HAMR head. An alternating current is then applied to the element over top of the direct current to cause the HAMR head to dither. By monitoring the head signal at the dither frequency, a touchdown or contact of a NFT on a disk may be detected based upon variations in the produced signal.

Methods, apparatuses and systems for detecting defective sectors on a recording medium, the method including calculating a servo gain for each servo sector of a track of a recording medium of a storage device; determining whether the servo gain of each servo sector exceeds a threshold value; and upon determining that the servo gain of a servo sector exceeds the threshold value, determining data sectors included in the servo sector to be defective sectors.

A data writer may suspend a transducing head from an actuator. The transducing head can consist of a writer coil positioned proximal a write pole. A protruding signal may be passed through the write coil to contact a data storage medium with the transducing head. A write signal can be passed through the write coil to write a data bit on the data storage medium.

A device including a near field transducer, the near field transducer including gold (Au), silver (Ag), copper (Cu), or aluminum (Al), and at least two other secondary atoms, the at least two other secondary atoms selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), manganese (Mn), tellurium (Te), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), germanium (Ge), hydrogen (H), iodine (I), rubidium (Rb), selenium (Se), terbium (Tb), nitrogen (N), oxygen (O), carbon (C), antimony (Sb), gadolinium (Gd), samarium (Sm), thallium (Tl), cadmium (Cd), neodymium (Nd), phosphorus (P), lead (Pb), hafnium (Hf), niobium (Nb), erbium (Er), zinc (Zn), magnesium (Mg), palladium (Pd), vanadium (V), zinc (Zn), chromium (Cr), iron (Fe), lithium (Li), nickel (Ni), platinum (Pt), sodium (Na), strontium (Sr), calcium (Ca), yttrium (Y), thorium (Th), beryllium (Be), thulium (Tm), erbium (Er), ytterbium (Yb), promethium (Pm), neodymium (Nd cobalt (Co), cerium (Ce), lanthanum (La), praseodymium (Pr), or combinations thereof.

A heat assisted magnetic recording (HAMR) write apparatus is described. The HAMR write apparatus is coupled with a laser that provides energy. The HAMR writer has a media-facing surface (MFS) and a laser-facing surface. The HAMR write apparatus includes a free-standing reflector and at least one waveguide. The free-standing reflector resides on the laser-facing surface and has a concave reflective surface oriented to receive the energy from the laser. The waveguide(s) are optically coupled with the free-standing reflector and direct energy from the laser toward the MFS.

During field operation of a heat-assisted magnetic recording data storage device, a laser adjustment procedure is performed. The laser adjustment procedure involves writing on a recording medium at least three tracks. If a bit error rate of a middle tracks has increased, the laser current is swept while recording test tracks to determine a new laser current that results in a minimum bit error rate. The new laser current is used for subsequent write operations.

Embodiments of the invention provide a device for measuring pitch and roll torques. The device comprises a sensor plate having a horizontal cross member, a vertical cross member and a surrounding member connecting ends of the horizontal and vertical cross members, wherein the horizontal cross member and the vertical cross member intersect each other at a centre region of the sensor plate; a VCM coil attached to the sensor plate and configured to generate a pitch and a roll torque when an electrical current is applied to the VCM coil; a first strain gauge attached to a surface of the horizontal cross member and configured to detect a horizontal strain caused by the pitch and roll torques; and a second strain gauge attached to a surface of the vertical cross member and configured to detect a vertical strain caused by the pitch and roll torques.

An apparatus comprises a waveguide having an input end that receives energy in a transverse electric (TE00) mode from an energy source along a substrate-parallel plane. The apparatus also includes a near-field transducer located proximate an output end of the waveguide that receives the energy in the TE00 mode. The output end of the waveguide is at an oblique angle to a cross-track line at an intersection of a media-facing surface and the substrate-parallel plane. The near-field transducer includes an enlarged portion at the oblique angle to the cross-track line.

A data readout device (114) for reading out data from at least one data carrier (112) having data modules (116) located at least two different depths within the at least one data carrier (112) is disclosed. The data readout device (114) comprises: —at least one illumination source (122) for directing at least one light beam (124) onto the data carrier (112); -at least one detector (130) adapted for detecting at least one modified light beam modified by at least one of the data modules (116), the detector (130) having at least one optical sensor (132), wherein the optical sensor (132)has at least one sensor region (134), wherein the optical sensor (132)is designed to generate at least one sensor signal in a manner dependent on an illumination of the sensor region (134)by the modified light beam, wherein the sensor signal, given the same total power of the illumination,is dependent on a beam cross-section of the modified light beam in the sensor region (134); and -at least one evaluation device (136) adapted for evaluating the at least one sensor signal and for deriving data stored in the at least one data carrier (112) from the sensor signal. Further, a data storage system (110), a method for reading out data from at least one data carrier (112) and a use of an optical sensor (132) for reading out data are disclosed.

According to one embodiment, when an access destination of a reading request is a second region, a controller performs a first retry reading process by use of a second reading condition in first parameter information. The second region is adjacent to a first region, which is adjacent to a defect region and has a particular width, and is present as a region other than the defect region on a magnetic disk. When the access destination of the reading request is the first region, the controller performs a second retry reading process by use of a fourth reading condition in second parameter information. The second parameter information is set such that a grown defect is registered at an earlier time in the second retry reading process, as compared with that in the first retry reading process.

A computer system for monitoring head wear includes reading from a cartridge a high frequency pattern and a low frequency pattern, determining a first read amplitude corresponding to the high frequency pattern and a second read amplitude corresponding to the low frequency pattern, and determining a head wear metric according to the first read amplitude and the second read amplitude.

Methods and apparatuses for detecting mode hopping in a laser diode or other optical energy source in heat-assisted magnetic recording. An output power of the laser diode or other optical energy source is measured and the output power is differentiated over time to determine a rate of change. If it is determined that the rate of change exceeds a threshold value, a fault signal is asserted indicating a potential mode hopping event.

A computer-implemented method, according to one embodiment, includes: collecting performance data corresponding to a tape drive and/or a magnetic tape head, storing the performance data in memory, and using the data to perform problem analysis. The performance data includes a resistance of the tape drive and/or magnetic tape head and a resolution of the tape drive and/or the magnetic tape head. Moreover, performing the problem analysis includes: determining a condition of the tape drive and/or the magnetic tape head, wherein the condition is selected from a group consisting of: wear, corrosion, defective leads and wire bonds. Other systems, methods, and computer program products are described in additional embodiments.

An apparatus, according to one embodiment, comprises a near field transducer; an adhesion layer on a media facing side of the near field transducer, the adhesion layer comprising Ni and Cr; and a protective layer on a media facing side of the adhesion layer. Other apparatuses, systems and methods are described in additional embodiments.

A heat recovery steam generator access door kit comprising a door assembly comprising an insulation box; a door face attached to the insulation box that is larger in width and length than the insulation box and projects around the perimeter of the insulation box; at least one cross beam; a frame assembly comprising a frame and at least one swing bolt assembly attached to the frame.

A sealing member for a vehicle opening includes a first co-extrusion layer formed from a first elastomeric composition, a second co-extrusion layer formed from a second elastomeric composition, and a third co-extrusion layer formed from a thermoplastic vulcanizate composition. The first co-extrusion layer defines a mounting channel, a window channel, and a front face spaced from the mounting channel and the window channel. The second co-extrusion layer has a portion disposed on the front face of the first co-extrusion layer and a sealing lip disposed on the first co-extrusion layer abutting the portion and extending away from the first co-extrusion layer towards a distal end. The third co-extrusion layer is disposed on the portion and the sealing lip of the second co-extrusion layer for covering segments of the second co-extrusion layer that are visible from an exterior of the vehicle.

A system and method for a quick release of a second object from a first object, e.g., quick release of hurricane panels (second object) from the inside of a habitable structure (first object). A stepped quick release bolt assembly or a dual quick release car assembly may be employed. In the preferred embodiment, a pin passing through a cross bored hole in a stepped bolt disposed in a receiving structure attached to a first object is releasable in order to disconnect the second object from the first object.

A roll-up door seal that may be monolithically formed from a single material of uniform density. The seal is sized and adapted to assemble to a standard roll-up door frame without a separate or dedicated frame structure. The seal provides redundant sealing surfaces, positioned to cooperate with both the door and door frame, which ensure an effective and durable fluid tight seal between the cargo space enclosed by the roll-up door and the ambient environment. The seal may be produced by extrusion from a flexible, weather resistant material such as EPDM, thereby providing a low cost solution for sealing roll-up doors having industry standard door frame constructions. The seal is firmly engageable with the door frame, such that the seal may be installed with little or no secondary fixation.

A seal assembly for a vehicle having a first seal and a second seal with a dual end cap disposed between the first and second seals. The dual end cap has a cover that extends beyond the first and second seal, for providing an aesthetic transition between the first and second seals. The dual end cap also has a first projection extending from the dual end cap for coupling the dual end cap to the first seal. The dual end cap also has a hold down feature extending opposite the first projection. The hold down feature engages at least a portion of the third distal end of the second seal such that the portion of the third distal end is sandwiched between the cover and the hold down feature for securing the dual end cap to the second seal.

A seal member is provided with a retainer and a weatherstrip held by a pair of engagement parts of the retainer. The weatherstrip has a hollow shape formed by a base and a seal part. The base is configured to be inserted between the pair of engagement parts of the retainer, and the seal part is integral with the base. A center portion of the base has a substantially V cross section, the center portion being configured to come into elastic contact with a portion of the retainer other than each of the pair of engagement parts such that a counterforce is applied from the portion of the retainer other than each of the pair of engagement parts to the center portion of the base when the both sides of the weatherstrip are engaged with the pair of engagement parts.

Water-free compositions suitable for application as a surface size to a cellulosic substrate, and methods of applying the water-free compositions to the surface of a cellulosic substrate.

An ion beam generator includes a plurality of arc chambers, wherein each arc chamber of the plurality of arc chamber is integral with every arc chamber of the plurality of arc chambers. The ion beam generator further includes a plurality of extraction slits, wherein each extraction slit of the plurality of extraction slits is configured to extract ions from a corresponding arc chamber of the plurality of arc chambers. The ion beam generator further includes a plurality of arc slits, wherein each arc slit of the plurality of arc slits is configured to provide an ion path between a corresponding extraction slit of the plurality of extraction slits and the corresponding arc chamber of the plurality of arc chambers.

A plasma processing apparatus may include: a plasma chamber; a power source to generate a plasma in the plasma chamber; an extraction voltage supply coupled to the plasma chamber to apply a pulsed extraction voltage between the plasma chamber and a substrate; an extraction assembly disposed along a side of the plasma chamber between the plasma chamber and the substrate, the extraction assembly having at least one aperture, the at least one aperture defining a first ion beam when the plasma is present in the plasma chamber and the pulsed extraction voltage is applied; a deflection electrode adjacent the extraction assembly; and a controller to synchronize application of the pulsed extraction voltage with application of a pulsed deflection voltage to the deflection electrode.

A method for making a composite polyamide membrane comprising a porous support and a polyamide layer, including the steps of: i) applying a polar solution comprising of polyiunctional amine monomer and a non-polar solution comprising a polyiunctional acyl halide monomer to a surface of a porous support and interfacially polymerizing the monomers to form a polyamide layer; and ii) exposing the thin film polyamide layer to nitrous acid; wherein the method is characterized by at least one of: conducting the interfacial polymerization of step i) in the presence of a subject amine-reactive compound, or applying a subject amine-reactive compound to the interfacially polymerized polyamide layer prior to step ii), wherein the subject amine-reactive compound is different from the polyiunctional acyl halide and polyiunctional amine monomers and is represented by the following formula:

Methods for controlled microstructure creation utilize seeding of amorphous layers prior to annealing. Seed crystals are formed on an amorphous layer or layers. The material, size, and spacing of the seed crystals may be varied, and multiple seed layers and/or amorphous layers may be utilized. Thereafter, the resulting assembly is annealed to generate a crystalline microstructure. Via use of these methods, devices having desirable microstructural properties are enabled.

The disclosure relates to microwave cavity plasma reactor (MCPR) apparatus and associated tuning and process control methods that enable the microwave plasma assisted chemical vapor deposition (MPACVD) of a component such as diamond. Related methods enable the control of the microwave discharge position, size and shape, and enable efficient matching of the incident microwave power into the reactor prior to and during component deposition. Pre-deposition tuning processes provide a well matched reactor exhibiting a high plasma reactor coupling efficiency over a wide range of operating conditions, thus allowing operational input parameters to be modified during deposition while simultaneously maintaining the reactor in a well-matched state. Additional processes are directed to realtime process control during deposition, in particular based on identified independent process variables which can effectively control desired dependent process variables during deposition while still maintaining a well-matched power coupling reactor state.

A laser headlight optical module is disclosed herein and comprises a laser light source, a convex lens, a substrate, a mirror set, supporting rods, and a driving member. The laser light source generates a laser light and the convex lens is located at a transmitting path of the laser light generated from the laser light source and configured to focus the laser light. Yellow fluorescent powders are coated on the substrate. The mirror set is located at a transmitting path of the laser light reflected from the substrate with the phosphor layer. The supporting rods are located behind the mirror set to support the mirror set. The driving member is located behind the mirror set and connected with the supporting rods. The driving member drives the supporting rods to change a light reflective surface of the mirror set to vary an optical field.