Abstract: Adjustment of snout height and tension is provided for a combine harvester. The combine harvester includes a header having a plurality of row unit divider assemblies. The row unit divider assemblies include a bonnet portion, a snout portion, and a height and tension adjustment device. The height and tension adjustment device is coupled between the bonnet portion and the snout portion and is operable to adjust an angle and tension of the snout portion with respect to the bonnet portion.

Abstract: A rope includes elongate bodies having a length axis parallel to a length of the rope or showing helix angles smaller than 2°. The elongate bodies include tapes of ultra-high molecular weight polyethylene. The tapes have a width to thickness ratio of at least 10 and a polymer solvent content below 0.05 wt. %.

Abstract: An auxiliary burner configured to heat exhaust gas on an upstream side of any one of heat exchangers, and a fuel supply system configured to supply fuel to the auxiliary burner. To avoid damage of a heat-transfer pipe by exhaust gas of high temperature, a reference value on which the restriction on the charging quantity to be supplied to the auxiliary burner is based is set, and the charging quantity of fuel to the auxiliary burner is restricted so as not to exceed a limit defined by the reference value.

Abstract: A turbomachine including a combustor in which fuel is combustible to produce a working fluid, a turbine section, which is receptive of the working fluid for power generation operations, a transition piece in which additional fuel is combustible, the transition piece being disposed to transport the working fluid from the combustor to the turbine section and a staged combustion system coupled to the combustor and the transition piece. The staged combustion system is configured to blend components of the fuel and the additional fuel in multiple modes.

Abstract: A gas turbomachine includes a compressor portion, a turbine portion operatively connected to the compressor portion, a combustor assembly including at least one combustor fluidically connected to the turbine portion, and an accessory mechanically linked with and driven by the turbine portion. The gas turbomachine also includes a fuel pre-heat system including a fuel pre-heat element having a fuel circuit fluidically connected to the at least one combustor arranged in a heat exchange relationship with a heating medium circuit fluidically connected to at least one of the compressor portion, the turbine portion, and the accessory.

Abstract: A gas turbine engine includes a very high speed low-pressure turbine such that a quantity defined by the exit area of the low pressure turbine multiplied by the square of the low pressure turbine rotational speed compared to the same parameters for a higher pressure turbine is at a ratio between about 0.5 and about 1.5. In addition, the lower pressure turbine is mounted with a first bearing mounted in a mid-turbine frame, and a second bearing mounted within a turbine exhaust case.

Abstract: A strain measurement device includes a reference material, and a displacement sensor configured to detect relative changes in distance between the sensor and the reference material. At least one of the displacement sensor and the reference material is coupled with a pre-cured elastomeric material. The displacement sensor generates a data signal to a processor that is configured to determine a strain of another elastomeric material based at least in part on the data signal received from the sensor. A displacement sensor and a reference material may be positioned within an elastomeric material within a casing of a solid rocket motor for determining strain experienced by the elastomeric material, such as the propellant of the solid rocket motor. A method includes installing a sensor of an elastomeric material. Another method includes determining strain of an elastomeric material of a solid rocket motor.

Abstract: Method and system for controlling the temperature dependent mode of an exhaust after treatment device, EATD, within an engine system comprising: identifying a target EATD mode. Regulating an EATD temperature to within a temperature range corresponding with the target mode by controlling a gas pressure difference of the engine system between a first location and a second location.

Abstract: Device for the purification of exhaust gases from a thermal combustion engine comprising: one or several ceramic catalyst carriers comprising an arrangement of crystallites of the same size, same isodiametric morphology and same chemical composition, or approximately the same size, same isodiametric morphology and same chemical composition in which each crystallite is in point or quasi-point contact with the surrounding crystallites, and one or several active phases for chemical destruction of impurities in the exhaust gas comprising metallic particles mechanically anchored in said catalyst carrier such that coalescence and mobility of each particle are limited to a maximum volume corresponding to the volume of a crystallite of said ceramic catalyst carrier.

Abstract: A control apparatus according to an embodiment of the present invention comprises urea-SCR catalyst 44, a urea-water supply section 46, a low pressure gas recirculating section including a low pressure EGR pipe 61 forming a low pressure EGR passage and a low pressure EGR valve 62, and a control section. The control section controls, based on an engine operating parameter, “an amount of a fuel supplied to the engine, and an opening degree of the low pressure EGR valve.” The control section supplies the urea-water to the urea-SCR catalyst in such a manner that ammonia of an amount required for reducing nitrogen oxides contained in an exhaust gas in the urea-SCR catalyst is produced in the urea-SCR catalyst (urea-water for reducing nitrogen oxides supply control).

Abstract: The invention relates to a pressure medium system, in particular a hydraulic system, having a fluid pump for delivering a drive fluid with a certain delivery flow rate and a certain fluid pressure, and having a control unit which switches the fluid pump on or off in order to set a predefined setpoint value of the fluid pressure, wherein the fluid pump exhibits an inertia-induced overrun when switched off, such that during the overrun of the fluid pump, the fluid pressure still rises while the fluid pump has already been switched off. It is proposed that, during the increase of the fluid pressure to the predefined setpoint value, the control unit switches the fluid pump off before the fluid pressure has reached the predefined setpoint value. The invention also includes a corresponding operating method.

Abstract: An air engine system includes an electric motor coupled to the drive shaft of an air engine to control the speed of the air engine. An accelerator controls the speed of the electric motor, which in turn controls the speed of the air engine. The air engine uses compressed air from a compressed air source provided by an air compressor. The air engine may be used on a vehicle, providing a clean environmentally-friendly means of locomotion.

Abstract: Provided is a hydraulic drive apparatus for working machine capable of preventing an excessive pressure drop on a meter-in side and moving a load in a lowering direction at a stable speed requiring no counter balance valve, including a hydraulic pump, a first hydraulic actuator lowering a first load, an operating device, a first hydraulic circuit including meter-in and meter-out flow passages, a control valve, a meter-in-flow-rate controller, a meter-out-flow-rate controller making a meter-out flow rate not lower than a meter-in flow rate, a second hydraulic actuator, a second hydraulic circuit between the first hydraulic circuit and a tank and for the second hydraulic actuator, a back pressure valve between the second hydraulic circuit and the tank, a regeneration line leading a part of hydraulic fluid from between the second hydraulic circuit and the back pressure valve to the meter-in flow passage, and a check valve in the regeneration line.

Abstract: A hydraulic driving system includes a hydraulic pump, a driving source, a hydraulic cylinder, a closed circuit hydraulic path between the pump and cylinder, a pump-flow-rate control unit controlling a discharge flow rate of the pump, a flow rate control valve between the pump and the cylinder in the fluid path, a directional control unit, a target flow rate setting unit and a control device. The directional control unit allows a flow of fluid from the pump to the cylinder and prohibits a flow of fluid from the cylinder to the pump when fluid is supplied from the pump to the cylinder via the flow rate control valve. The control device controls fluid flow to the cylinder with the flow rate control valve when the target flow rate is within a prescribed range, and with the pump-flow-rate control unit when the target flow rate is greater than the prescribed range.

Abstract: Provided is a hydraulic drive apparatus for working machine capable of preventing an excessive pressure reduction on a meter-in side and moving a load in a lowering direction at a stable speed requiring no counter balance valve. The apparatus includes a hydraulic pump, a hydraulic actuator for lowering the load, an operating device, a hydraulic circuit including a meter-in flow passage, a meter-out flow passage and a regeneration flow passage, a control valve, a meter-in-flow-rate controller for controlling a meter-in flow rate, a meter-out-flow-rate controller for controlling a meter-out flow rate to one not lower than the meter-in flow rate, a back pressure generator located downstream of the regeneration flow passage in the meter-out flow passage, and a meter-out-flow-rate limiter. The meter-out-flow-rate limiter minimizes a flow passage area of the meter-out orifice when a pressure in the meter-in flow passage falls to or below a permissible pressure.

Abstract: An absorber unit 100 for the absorption of wave energy from a body of water 99 comprises an absorber element 110 of the front pivot type with a front end 111 comprising a front pivot axis 113 around which the absorber element 110 under operation reciprocates between a lower turning position and an upper turning position, and with a rear end 112 extending from a lower rear edge 114 to an upper rear edge 115. The lower rear edge 114 is located in a first radial direction 116 at a first distance from the pivot axis 113, the upper rear edge 115 is located in a second radial direction 117 at a second distance from the pivot axis 113, the first and second radial directions 116, 117 define an acute tip angle of the absorber element 110, and the first distance determines the absorber element length. The absorber unit 110 further comprises a frame structure 121 that defines an absorber chamber 122 and is configured to be essentially at rest with respect to the body of water 99.

Abstract: In various embodiments, coupling losses between a cylinder assembly and other components of a gas compression and/or expansion system are reduced or eliminated via valve-timing control.

Abstract: A shape memory alloy (SMA) actuator includes a SMA element connected to a first crown to move the first crown with respect to a second crown along an axis to toggle the actuator rod between a first position and a second position, the first position and the second position maintained when the SMA element is deenergized.

Abstract: A linear motion device includes a rod extending along a longitudinal axis, and a plurality of actuator units. Each of the plurality of actuator units includes at least one Shape Memory Alloy (SMA) element that is attached to a coupling mechanism. The at least one SMA element of each if the plurality of actuator units moves the coupling mechanism along the longitudinal axis, and into grasping engagement with the rod. Each actuator unit moves the rod a unit movement distance along the longitudinal axis in response to a control signal. The plurality of actuator units are actuated repeatedly in a cyclic order to move the rod in a continuous linear motion a distance greater than the unit movement distance of each of the plurality of actuator units.

Abstract: A turbocharged motor vehicle engine system includes an engine having an intake manifold, an exhaust manifold, and a crankcase ventilation outlet. A turbocharger includes a turbine having an inlet fluidly connected to the exhaust manifold through an exhaust conduit and a turbo compressor having an outlet fluidly connected to the intake manifold through an inlet conduit. The turbo compressor also includes an inlet. A crankcase gas conditioning member includes an inlet section fluidly connected to the crankcase ventilation outlet and an outlet section fluidly connected to the turbo compressor inlet. An idle bypass conduit includes an inlet portion fluidly connected to the outlet section of the crankcase gas conditioning member and an outlet portion fluidly connected to the inlet conduit. The idle bypass conduit is configured and disposed to selectively bypass the turbo charger while the engine is operating at an idle.

Abstract: In a air compressing device of an engine, a supercharger interposed in an EGR pipe diverging from a portion of an exhaust pipe of the engine on the downstream side of a turbine of a turbocharger, pressurizing an EGR gas introduced into an EGR pipe by a compressor driven by rotation of the engine and supplying the pressurized EGR gas to an intake manifold of the engine, and control structure for adjusting an opening of a throttle valve arranged in a portion of the EGR pipe on the downstream side of the compressor of the supercharger and controlling a supply amount of the EGR gas supplied from the compressor to the intake manifold.

Abstract: The invention relates to a method for operating an internal combustion engine, a turbine of an exhaust gas turbocharger situated in an exhaust system of the internal combustion engine being driven by exhaust gas from the internal combustion engine, and a compressor of the exhaust gas turbocharger powered by the turbine and situated in a combustion air system of the internal combustion engine compressing combustion air, exhaust gas being diverted in a high pressure exhaust gas recirculation loop upstream from the turbine and mixed with the combustion air downstream from the compressor, exhaust gas being diverted in a low pressure exhaust gas recirculation loop downstream from the turbine and mixed with the combustion air upstream from the compressor, exhaust gas being purified by a low pressure exhaust gas recirculation filter in the LP-EGR loop, a predetermined value for a total exhaust gas recirculation flow.

Abstract: A multistage turbocharging system (1) in which the thickness of at least either one of a valve body (51a) that opens and closes a bypass flow passage opening and a washer (51b) that fixes the valve body (51a) to a mounting portion (52) is greater than the minimum width of a flow passage from a valve assembly (51) to a turbine impeller (2d) of the first turbocharger (2).

Abstract: The power plant disclosed is an engine that derives its usefulness in the pursuit of energy generation by utilizing hydrostatic pressure differentials found or created in various liquids, gases or solutions, such as but not limited to water and air. It is generally provided as a two-stroke piston cycle power generating system, wherein the actions of the pistons perform work or replenish working fluid from a lower head to a higher head, and can be utilized to generate power, pump fluids, or perform work, for example. Multiple power generating systems are interconnected to provide continuous and constant power generation through a penstock and turbine system.

Abstract: A system comprises an injection well in communication with an underground reservoir containing a native methane-containing solution at a first temperature, a production well in communication with the reservoir, a supply system providing a non-water based working fluid to the injection well at a second temperature lower than the first temperature, wherein exposure of the working fluid to the native fluid causes a portion of methane to come out of solution to form a production fluid of at least a portion of the working fluid and the portion of methane, and exposure to the first temperatures heats the production fluid to a third temperature higher than the second temperature, wherein the heated production fluid enters the production well, and an energy recovery apparatus in communication with the productions well for converting energy in the production fluid to electricity, heat, or a combination thereof.

Abstract: A steam turbine installation that has a steam turbine, a steam generator and a feed water pre-heating unit operated by process steam is provided. The steam turbine has an overload bypass line with which main steam can be fed to the feed water pre-heating unit between the steam turbine input and the extraction point during overload operation of the steam turbine, wherein the feed water pre-heating unit has an auxiliary extraction line that is connected to the overload bypass line in such a way that process steam can be extracted from the steam turbine during partial load operation of the steam turbine and added to the feed water pre-heating unit for the additional pre-heating of feed water.

Abstract: A micro-turbine engine has been designed using vertically simple geometry, such that the engine components are designed with features that are defined geometrically, but not necessarily manufactured, by extruding two-dimensional features along a primary direction. This design approach reduces manufacturing and assembly costs. The present invention discloses designs to improve micro-turbine engine performance, and methods of manufacturing components that further reduce cost. The design improvements include methods of implementing a multi-stage micro-turbine engine using nested stages and nested flow paths, usage of multi-phase fuel injectors and supercritical fuel injectors to increase fuel flexibility and burner efficiency, and method of cooling a turbine rotor by building cooling blades on the opposite side of the rotor that act as a fluid pump to provide cooling by convection.

Abstract: A combustion chamber tile of a gas turbine includes a bolt for mounting the combustion chamber tile on a combustion chamber wall, with the combustion chamber tile being designed substantially plate-like and having on one side at least one mounting element, on which the bolt, which is provided as a separate component, is positively anchored.

Abstract: An assembly for a gas turbine is presented. The assembly includes a gas supply pipe passing through a bore in a flange of the gas turbine for supplying gas to a combustion chamber of the gas turbine and a sleeve surrounding the gas supply pipe, having a first end and a second end, wherein the first end is sealingly coupled to the gas supply pipe, and wherein the sleeve is adapted to be sealingly coupled to the flange at the second end such that the sleeve extends along a thickness of the flange.

Abstract: With the speedy and hot airplane turbojet exhaust gases a lot of energy is blown away and wasted nowadays. By this invention a venturi (35) and a diverging duct (14) transform this exhaust energy into a useful and strong low pressure gas stream that sucks outside air through a fan (3) and a bypass (9,10,11) outside the original turbojet engine. (here called core engine). Thus the fan (3) is propelled and drives the central shaft (2) of the core engine (4). Now the turbine (7) in the rear of the core engine (4) can deliver less energy to the central shaft (21) for maintaining the right rotation. Likewise turbine (7) can absorb less energy out of the hot and speedy gases inside the core engine. A bigger part of this energy is available for creating thrust now. That is the major profit of this new invention.

Abstract: A system for cooling a hot gas path component for a combustor generally includes an impingement sleeve that circumferentially surrounds an outer surface of the hot gas path component. A first cooling chamber is defined between the impingement sleeve and a first portion of the outer surface of the hot gas path component. A second cooling chamber is disposed downstream from the first cooling chamber. The second cooling chamber is defined between the impingement sleeve and a second portion of the outer surface of hot gas path component. An inlet extends through the impingement sleeve so as to define a first flow path into the first cooling chamber. An outlet defines a second flow path between the first cooling chamber and the second cooling chamber.

Abstract: A cross-fire tube purging arrangement includes a cross-fire tube extending from proximate a combustor chamber to proximate an adjacent combustor chamber for fluidly coupling the combustor chamber and the adjacent combustor chamber. Also included is a compressed air supply arrangement for selectively delivering a compressed air to the cross-fire tube, the compressed air supply arrangement comprising a regulating component for controlling delivery of the compressed air to the cross-fire tube.

Abstract: Various methods for controlling a wastegate with an actuator having a temperature-dependent magnetic field are provided. In one example, the magnetic field is estimated based on operating conditions and other parameters, and used to apply a magnetic correction to a voltage supplied to the actuator. The methods may provide accurate wastegate control in the presence of varying magnetic fields, ensuring the proper supply of boost to an engine.

Abstract: A gas turbine plant is provided with exhaust gas recirculation and includes a main gas turbine having a main compressor and main turbine driving a main generator, and a combustion chamber, with an outlet connected to the inlet of the main gas turbine, has a fuel feed, and via the recuperator's high-pressure side obtains combustion air from the main gas turbine's compressor outlet. The outlet of the main turbine and the inlet of the main compressor are connected via the recuperator's low-pressure side and a cooler for exhaust gas recirculation. On the recuperator's low-pressure side, a charging unit, with a compressor and a turbine is arranged, and draws in air via an air intake and by the outlet of its compressor is connected to the recuperator's low-pressure side outlet and by the inlet of its turbine is connected to a surplus-gas extraction line on the recuperator's low-pressure side.

Abstract: A hydrogen fueled powerplant including an internal combustion engine that drives a motor-generator, and has a two-stage turbocharger, for an aircraft. A control system controls the operation of the motor-generator to maintain the engine at a speed selected based on controlling the engine equivalence ratio. The control system controls an afterburner, an intercooler and an aftercooler to maximize powerplant efficiency. The afterburner also adds power to the turbochargers during high-altitude restarts. The turbochargers also include motor-generators that extract excess power from the exhaust.

Abstract: A combined gasification and electric power generation method wherein between 30.0 and 60.0 percent of the compressed air required by an air separation unit supplying oxygen to a gasifier and nitrogen to gas turbine(s) is extracted from a compressor of the gas turbine(s). An installation, including the gas turbine(s), the air separation unit, a gasifier and a gas conditioning system for producing gas turbine fuel, has a design point of ambient temperature and pressure and net power output for producing the electric power required by a captive user. The gas turbine(s), at the design point, have a capacity to compress air from the compressor thereof, at a rate between 4.8 and 6.0 times the total molar flow rate of air required by the air separation unit and the compressor of the gas turbine(s) is operated at no less than 90.0 percent of its capacity at the design point.

Abstract: A method and apparatus is provided for cooling the external surface of an aircraft APU eductor assembly. A processor is configured to open a surge valve by a predetermined amount when the surge valve is closed and the temperature of the exhaust gas exceeds a predetermined temperature in order to cool the surge plenum surfaces.

Abstract: A cross-sectional area (Dout) of a transition piece outlet is set within a range of 0.79£DoutDin£0.9, relative to a cross-sectional area (Din) of a transition piece inlet of a combustor, and in a first stage turbine nozzle of a turbine connected to the transition piece outlet, a size (Hin) in a radial direction between upstream ends of the inner shroud and the outer shroud has a same dimension as a size (a) in a radial direction of the transition piece outlet. In a combustor transition piece that is included in the combustor having a center line (S) arranged with an angle to an axial center (R) of a rotor of a gas turbine and that guides combustion gas to the turbine, a cross-sectional area is monotonously reduced from the transition piece inlet in which the combustion gas flows to the transition piece outlet from which the combustion gas flows out.

Abstract: An attachment structure for attaching a power plant including unducted propellers to a fuselage of an aircraft, the attachment structure being connected by first and second fasteners to respective front and rear spars penetrating into the fuselage and fastened to a carrier structure of the aircraft, and including a central longitudinal beam secured at its front end to a first frame, arranged in the plane of the front spar, that is secured at its rear end to a second rear frame, cantilevered out and arranged upstream from the unducted propellers, and that is secured to a third intermediate frame, arranged in the plane of the rear spar between the first and second frames. The first, second, and third frames are connected together by force-takeup beams, an assembly as constituted in this way forming a cradle for receiving the power plant via a standard attachment.

Abstract: A compressor section of a gas turbine generally includes a stage of inlet guide vanes positioned adjacent to an inlet of the compressor section and a stage of rotor blades disposed downstream from the inlet guide vanes. A stage of stator vanes is positioned downstream from the stage of rotor blades. The stage of stator blades includes a row of leading guide vanes having a trailing edge. A row of trailing guide vanes coupled to an actuator is disposed between two corresponding adjacent leading guide vanes. Each of the trailing guide vanes includes a trailing edge. The leading edge of each trailing guide vane is disposed upstream of the trailing edge of a corresponding leading guide vane when the trailing guide vane is in an open position and downstream from the trailing edge of the corresponding leading guide vane when the trailing guide vane is in a closed position.

Abstract: A turbine nozzle having a non-linear cooling conduit is disclosed. In one embodiment, a turbine nozzle includes: an airfoil, at least one endwall adjacent the airfoil, and a fillet region connecting the airfoil and the at least one endwall, the fillet region including an outer surface. The turbine nozzle also includes a non-linear cooling conduit located within the fillet region and adjacent the outer surface of the fillet region, the non-linear cooling conduit allows fluid flow through the fillet region. The non-linear cooling conduit spans substantially along an axial length of the airfoil between a leading edge of the airfoil and a trailing edge of the airfoil. Additionally, the non-linear cooling conduit includes an arc profile substantially similar to an arc profile of the airfoil.

Abstract: According to one embodiment, a magnetic refrigeration device includes magnetic bodies, a magnetic field application unit, a thermal storage medium, and a heat transfer unit. The magnetic bodies are arrayed at an interval. The application unit applies and removes a magnetic field to and from the magnetic bodies, respectively. The medium is arranged to face at least one of the magnetic bodies. The medium has no Curie point within a range of a temperature change of the magnetic bodies and removal. The heat transfer unit selectively brings the medium into thermal contact with the magnetic bodies or thermally isolates the medium from the magnetic bodies, and transfers heat from the magnetic bodies to the medium or from the medium to the magnetic bodies in synchronism with magnetic field application and removal.

Abstract: According to certain embodiments disclosed in the present application, a climate controlled seating assembly includes a thermal module. The thermal module comprises at least one inlet channel, at least one outlet channel and a thermoelectric device (e.g., Peltier circuit) positioned upstream of the outlet channel. In one embodiment, the seating assembly includes a sensor positioned within an interior of the thermal module and configured to detect the presence of a liquid, such as water, relative humidity, condensation or other fluids, on or near said sensor.

Abstract: A cup holder, which cools and heats a cup, includes an inner holder, an outer holder, a thermoelectric device and a blower. The inner holder, made of metal, holds the cup therein and has a protrusion on a side portion thereof. An open portion of the protrusion defines a flow hole. The outer holder surrounds a side surface of the inner holder at a predetermined interval, such that a circulation space is formed between the outer holder and the inner holder. The thermoelectric device, disposed in the circulation space, includes first and second sections. The first section closely adjoins the protrusion of the inner holder. The second section extends through the outer holder and is exposed outward. The blower is disposed inside the circulation space adjacent to the flow hole, and enables air inside the inner holder and air inside the circulation space to circulate and transfer heat.

Abstract: A temperature element may be provided with: a combination of a p type semiconductor and an n type semiconductor disposed separated from each other; a metal well, which has a mounting part on which a container for DNA samples is directly mounted and which is connected to both the p type semiconductor and the n type semiconductor individually; an electrode and heat dissipating plate that is connected to the p type semiconductor and to which a voltage is applied by a temperature control section; and an electrode and heat dissipating plate that is connected to the n type semiconductor and to which a voltage is applied by the temperature control section. The shape of the metal well is formed into substantially the same shape as the outside shape of the container for DNA samples.

Abstract: A device and a method for defogging and/or defrosting a glazing unit of a motor vehicle with a partially or totally electric propulsion system is disclosed. The device comprises means (1) for cooling a coolant fluid, using at least one electric current source, and a thermal battery (2), the device being configured to allow, in certain phases, the cooling of the coolant fluid by the cooling means (1) and the storage of cold from the coolant fluid in the battery (2), and, in other phases, the release of cold from the battery (2) into the coolant fluid.

Abstract: A cryogenic apparatus is provided having a nested thermally insulating structure, thermal links, a vacuum shroud, and a cryo-cooler. The nested thermally insulated structure holds a sample to be cooled while dampening the external vibrations caused by the cryo-cooler, the surrounding environment or cryo-cooler mounting surface. The thermal link is made of thermally conductive wires which connect the nested thermally insulated structure and the cryo-cooler thereby allowing the apparatus to reduce vibrations inherent in the operation of the cryo-cooler.

Abstract: An ambient air LNG vaporizer has a housing that encloses the exchanger conduits and provides a stream of refrigerated air to a blower to so convey refrigerated air to one or more remote refrigerated air consumers. The temperature of the refrigerated air is maintained using a control circuit that adjusts an operational parameter of an ambient air intake control device of the housing and/or the blower.

Abstract: A conditioning system for a liquefied gas includes a source of liquefied gas, the liquefied gas provided from the source at a first temperature. A first heater is disposed to heat a flow of the liquefied gas to a second temperature. An accumulator is disposed to collect and store a quantity of the liquefied gas at the second temperature. A second heater is disposed to receive a flow of gas from the accumulator and the first heater, the second heater operating to heat the gas to a third temperature and provide the heated gas at the third temperature to a gas outlet.

Abstract: A cryopump includes a nested array of cryopanels. A hydrogen molecule incident into a clearance in the nested array of cryopanels is reflected by a cryopanel. The reflected hydrogen molecule is adsorbed by another cryopanel. Each of the cryopanels may have an inverted frustum shape.