Abstract: A device is described which provides thermally durable NO2 generation in conjunction with efficient heat-up performance for filter regeneration, and low temperature HC (hydrocarbon) and CO activity. Importantly, it provides both functions while minimizing PGM (platinum group metals) utilization and its associated impact on catalyst cost.

Abstract: An exhaust system, may include a trapping filter, a nitrogen oxide purification catalyst to eliminate nitrogen oxide of the exhaust gas, an injector that selectively injects fuel in the exhaust line, a fuel cracking catalyst that is disposed between the injector and the trapping filter at the exhaust line, transforms the injected fuel to a reducing agent, and a control portion that controls the injector to inject a predetermined amount of the fuel for a predetermined time period so as to raise the temperature of the trapping filter to a predetermined regeneration temperature and eliminate the particulate material trapped in the trapping filter, wherein the control portion detects a degradation rate of the fuel cracking catalyst, and varies the predetermined regeneration temperature of the trapping filter depending on the degradation rate.

Abstract: An exhaust gas purification apparatus includes an exhaust passage through which exhaust gas discharged from an engine flows, a selective catalytic reduction catalyst provided in the exhaust passage, a urea water supply device for supplying urea water into the exhaust passage upstream of the selective catalytic reduction catalyst, a sensor responding to respective quantities of NOx and ammonia downstream of the selective catalytic reduction catalyst and detecting a value based on the response by the sensor, an exhaust gas recirculation passage through which a part of exhaust gas is refluxed to an intake system of the engine, an exhaust gas recirculation control valve for controlling amount of exhaust gas that is refluxed through the exhaust gas recirculation passage and a control device for controlling quantity of urea water supplied from the urea water supply device to the exhaust passage and also opening and closing of the exhaust gas recirculation control valve.

Abstract: Described herein are various embodiments of a reductant decomposition system. According to one representative embodiment, the reductant decomposition system includes an exhaust gas chamber including an inlet and outlet. The system also includes a first exhaust gas distribution component positioned within the chamber and communicable in exhaust gas receiving communication with the outlet. The first exhaust gas distribution component causes swirling exhaust gas flow patterns within the exhaust gas chamber. Additionally, the system includes a second exhaust gas distribution component positioned within the chamber and communicable in exhaust gas providing communication with the inlet. The second exhaust gas distribution component includes features that cause a swirling exhaust gas flow pattern within a space defined by the second exhaust gas distribution component. Further, the system includes a reductant injector coupled to the exhaust gas chamber.

Abstract: A diesel fuel composition is disclosed, as well as a method for reducing NOx emissions from a diesel engine at minimum fuel consumption wherein the diesel engine operates in a low temperature combustion mode, comprising the step of adding to the diesel engine at least one diesel fuel or blending component for a diesel fuel having a combination of a low T50 in the range of from 190° C. to 280° C., a high cetane number in the range of from 31 to 60, and an effective emissions reducing amount of a nitrogen-free cetane improver.

Abstract: Disclosed is a method for controlling an exhaust gas purification device, wherein the regeneration operation includes main regeneration operation for detaching the nitrogen oxides adsorbed onto the nitrogen oxide adsorbing material, the method comprising: operating the first combustion device and the second combustion device while the exhaust gas is prevented from flowing into the branch exhaust passage subjected to the regeneration operation by the switching of a changeover valve during the regeneration operation; and decreasing the flow rate of the first mixture gas as the stage of the main regeneration operation advances.

Abstract: A procedure for controlling an exhaust gas purification system of a combustion engine, consisting of one or several catalytic converters for converting and/or storing at least one exhaust gas component of an exhaust gas of the combustion engine at least one of the catalytic converters is construed as oxidization catalytic converter. With the aid of the adsorption capability of at least partially uncombusted hydrocarbons of one of the catalytic converters a diagnosing forecast about the NO oxidization of the catalytic converters is derived, whereby the at least partially uncombusted hydrocarbons are introduced into the exhaust gas duct at least partially in front of the catalytic converter. With the procedure and the device for implementing the procedure the NO oxidization capability of the involved catalytic converters can be evaluated in the range of extended on-board diagnosis requirements to provide “feed-gas” for subsequent exhaust gas after-treatment systems.

Abstract: An algorithm or diagnostic for detecting and alarming unintended exothermic conditions in exhaust after treatment components selectively detects alarming temperature variations in exhaust after treatment components when caused by internal unintended exothermal events, rather than transient conditions that are externally driven. Not only are the output temperature and the delta temperature (T_out?T_in) across the component monitored in each after-treatment device, but also the input temperature is deeply analyzed through its recent history data in order to determine if any input variations caused the output changes.

Abstract: A reducing agent injection device is equipped with a storage tank that houses a reducing agent, a pump that pressure-feeds the reducing agent, a reducing agent injection valve that injects the reducing agent pressure-fed by the pump into the inside of an exhaust pipe of an internal combustion engine, a supply path that interconnects the pump and the reducing agent injection valve, and a pressure sensor that is disposed in the supply path. The reducing agent injection device is configured such that it can suck, into the inside of the supply path, a gas inside the exhaust pipe via an injection hole in the reducing agent injection valve by subjecting the inside of the supply path to depressurization processing. An abnormality detection device detects clogging of the reducing agent injection valve in the reducing agent injection device and includes a clogging determination component.

Abstract: An exhaust purification apparatus for an internal combustion engine comprises a first oxidation catalyst arranged in an exhaust passage of an engine, a mixer arranged on the downstream side of the first oxidation catalyst, and a second oxidation catalyst arranged on the downstream side of the mixer. A repetitive control is carried out in such a way that a period in which an air-fuel ratio of exhaust gas discharged from an engine body is rich and a period in which the air-fuel ratio is lean are alternately repeated when the temperature of the second oxidation catalyst is to be increased, so that a part of the unburnt fuel contained in a rich exhaust gas discharged from the engine body and a lean exhaust gas discharged from the engine body are mixed in the mixer after passing through the first oxidation catalyst and are subject to oxidization in the second oxidation catalyst.

Abstract: An exhaust purification system is provided that can continuously maintain a NOx purification rate to be high while suppressing the occurrence of ammonia slip. The exhaust purification system includes a slip determination portion 34 that determines the occurrence of ammonia slip based on an output value NH3CONS of an ammonia sensor 26. A reference injection amount calculating portion 31 calculates a reference injection amount GUREA—BS based on a parameter correlating to an operating state of an engine. A switching injection amount calculating portion 32 decreases in amount a urea injection amount GUREA by setting a switching injection amount GUREA—SW to a negative value in response to having determined that ammonia slip has occurred, and increases in amount the injection amount GUREA by setting the switching injection amount GUREA—SW to a positive value in response to a storage amount estimated value STUREA having fallen below a predetermined switch storage amount STUREA—SW.

Abstract: The present invention provides an automotive exhaust system that removes harmful contaminants from engine exhaust and thus reduces air pollution, presents a number of distinct and significant benefits and advantages. Foremost, the Green Muffler subjects engine exhaust gases to a two-stage cleansing and purification process, first scrubbing the gases in a recirculating air-and-water bath; and then combining the remnant gases with an air-freshening chemical before release to the atmosphere. The Green Muffler, then, serves to lower a vehicle's carbon-dioxide and carbon-monoxide emissions and thereby reduces the level of air pollution and atmospheric warming due to car exhaust. Further, the Green Muffler reduces the temperature of vehicle exhaust, another plus for the planet.

Abstract: An exhaust gas purification catalyst includes: a lower catalyst layer that contains a ceria-zirconia mixed oxide having 50 to 70 mass % of CeO2 and 5 mass % or more of Pr2O3 and carries at least one of Pt and Pd; and an upper catalyst layer that contains at least zirconia and carries at least Rh, wherein the total amount of CeO2 per liter of the carrier base is 15 to 30 g. Because the amount of CeO2 is small, formation of H2S is suppressed and a high capability of adsorbing and releasing oxygen is brought out in spite of the small amount of CeO2.

Abstract: A condensation collection system for an internal combustion engine having an exhaust gas recirculation system comprises a condensation collection line, a condensation accumulator, and a condensation expulsion line. The condensation collection line is disposed in fluid communication with an air intake system of an internal combustion engine. The condensation accumulator is in fluid communication with the condensation collection line. The condensation collection line being disposed between the air intake system and the condensation accumulator. The condensation expulsion line is in fluid communication with the condensation accumulator. A portion of the condensation expulsion line is disposed in contact with an engine exhaust pipe. The condensation expulsion line has an opening to vent condensation to the atmosphere.

Abstract: An apparatus is provided for a vehicle with an engine that includes an exhaust system through which exhaust gas is discharged from the engine. A heat exchanger is positioned at least partially within the exhaust system. Coolant flow passages are provided in thermal communication with the engine and with the heat exchanger. A bypass valve is operable in a first mode to direct the exhaust gas across the heat exchanger along a first flow path to transfer exhaust heat to the coolant flow passages, and is further operable in a second mode to direct at least a portion of the exhaust gas across the heat exchanger along a second flow path to transfer exhaust heat to the coolant flow passages in a second coolant heating mode. The second flow path is restricted relative to the first flow path. A method of managing exhaust heat recovery is also provided.

Abstract: An assembly for cooling an exhaust gas stream includes an outlet nozzle exposed to the exhaust gas stream. The outlet nozzle projects into an open end of an adjacent exhaust gas pipe so that a reduced pressure relative to the surrounding environment is produced in a suction region between the outlet nozzle and the exhaust gas pipe by flow of exhaust gas. Adjusting members vary the flow cross section of the outlet nozzle.

Abstract: In the thermoelectric module composed of p- and n-conductive thermoelectric material legs which are connected to one another alternately via electrically conductive contacts, at least some of the electrically conductive contacts on the cold and/or the warm side of the thermoelectric module are formed between, or embedded into, the thermoelectric material legs composed of porous metallic materials.

Abstract: The invention relates to a hydrodynamic torque converter having an impeller wheel, a turbine wheel and an oscillation damper which is accommodated in the converter housing, and a converter lockup clutch. Two damper stages are arranged here as a serial damper between the output hub of the torque converter and the converter lockup clutch, and a damper stage is arranged between the turbine wheel and the output hub. In order to improve the damping properties, a rotary oscillation absorber is additionally provided which is arranged between the dampers and is also connected to the turbine wheel in a rotationally fixed fashion.

Abstract: A transmission comprises a casing, an output element, a hydrostatic stepless transmission unit (HST) and a forward/backward traveling direction selecting unit (reverser). The output element is supported by the casing. The HST is disposed in the casing so as to be driven by a drive source disposed outside of the casing. The HST includes a pump shaft and a motor shaft member. The pump shaft is drivingly connected to the drive source. The motor shaft member is fitted around the pump shaft coaxially to the pump shaft so as to be rotatable relative to the pump shaft, thereby constituting a hydraulic pump and a hydraulic motor centered on the pump shaft and the motor shaft member. An axially distal end of the motor shaft member is disposed on the axially proximal side of an axially distal end of the pump shaft so that axial ends of the pump shaft are the axially most distal ends of the HST in the axial direction of the pump shaft.

Abstract: The invention relates to a positively engaging shifting element which can be hydraulically or pneumatically actuated, comprising a hydraulically or pneumatically actuatable piston (I) having a piston compartment (2) containing a hydraulic medium or pressure medium, a pressure medium supply (6) for the piston (I), a jaw (3) and a mating jaw (4) with which the jaw (3) meshes when engaged. The engaging speed of the jaw (3) can be increased by decoupling the jaw (3) from the hydraulic or pneumatic volume flow when the jaws (3) and (4) are in a tooth butt position in relation to each other and by pretensioning the jaw (3) by means of a hydraulic or pneumatic pressure reservoir (7) that is actively connected to the piston (I) and that is connected to the pressure medium supply (6). The gap between the jaws, i.e.

Abstract: The invention relates to a piston pump, in particular for brake pressure regulation in a hydraulic vehicle brake system. To control the pressure medium flow, piston pumps of the known type have an outlet valve which is accommodated in a valve lid. An outflow duct of the piston pump opens out into a pressure fluid conduit of a pump housing. As viewed in the direction of the longitudinal axis of the piston pump, the pressure fluid conduit is arranged above an end, which is situated in the interior of the pump housing, of the valve lid. The pressure fluid conduit is therefore at a relatively great distance from an outer side of the pump housing. The invention is directed to a special embodiment of the outflow fluid conduit of the piston pump, which makes it possible for the distance between the pressure fluid conduit and the outer side of the pump housing to be reduced. The pump housing may thereby be optimized in terms of installation space.

Abstract: An exhaust aftertreatment system for an engine is disclosed. The exhaust aftertreatment system including a first exhaust passage, an SCR catalyst disposed in the first exhaust passage, a second exhaust passage parallel with the first exhaust passage and fluidly coupled to the first exhaust passage upstream of the SCR catalyst and a container disposed in the second exhaust passage, the container configured to hold a volume of urea and to direct exhaust from the second exhaust passage through the volume of urea in the container.

Abstract: A method of controlling an engine exhaust temperature and an exhaust mass flow rate for stationary regeneration of an engine exhaust gas particulate filter of an engine. The method implements a feed forward control that sets an EGR valve position and an injection timing associated with the engine, and a sets an engine speed. The method implements a feed back control that sets a turbo waste gate position and an intake throttle position associated with the engine.

Abstract: A turbine assembly for an exhaust gas turbocharger has separate first and second volutes that are sequentially activated via a valve that receives exhaust gases from an engine. In a first position of the valve, only the first volute receives exhaust gas; in a second position, both volutes receive exhaust gases. In a third position, a bypass passage is also opened so that some exhaust gas bypasses the turbine wheel. Unlike conventional twin-scroll turbines, each volute receives exhaust gases from all engine cylinders, and the first volute feeds gas into the B-width portion of the wheel, while the second volute feeds gas into the wheel after the contour portion.

Abstract: A method for calibrating pneumatic actuators comprising a containment structure (2) in which a diaphragm (4) is mounted which delimits a variable-volume chamber (5) whose internal pressure may be varied, and a rigid rod (8) able to slide through the containment structure (2) and connected to the diaphragm (4). At least one connecting head (11) can be mounted on an external second end (10) of the rigid rod (8) for connecting to an element to be controlled, such as a crank of a turbo-compressor.

Abstract: A variable geometry turbine comprises a turbine wheel supported in a housing for rotation about a turbine axis. The housing defines an annular inlet passage around an inducer portion of the turbine wheel and an outlet passage including a tubular wall disposed around an exducer portion of the turbine wheel; the inlet passage is defined between first and second radial inlet surfaces, one of the inlet surfaces being defined by a moveable wall member and the other of the inlet surfaces being defined by a facing wall of said housing. The moveable wall member is moveable relative to the facing wall of the housing along the turbine axis to vary the size of the inlet passageway. The moveable wall member is displaceably mounted within an annular cavity defined between the tubular wall and a surrounding wall of the housing.

Abstract: An exhaust gas recirculation system includes a butterfly valve in which the leak path through the valve is controlled by keeping the clearance between either a shaft of the valve and two bushings small or the clearance between the bushings and the counter bores in the valve element small, and making the other clearance larger.

Abstract: Methods and systems for extracting geothermal energy from an underground hot dry rock reservoir using supercritical carbon dioxide are disclosed. In a first step, the methods and systems utilize a heat exchanger in a binary system to heat a secondary fluid that is used to perform work. In a second step, the supercritical carbon dioxide is transferred to a pseudo turbine (e.g., a free-piston linear engine) to perform additional work through expansion.

Abstract: The system and method to reduce the temperature of geothermal water to increase the capacity and efficiency while decreasing the costs associated with a geothermal power plant construction uses a high efficiency steam turbine. The steam turbine lowers the high temperature geothermal resource so it can be used in parallel with an innovative low temperature Organic Rankine Cycle (ORC) geothermal power plant to increase the efficiency and capacity while at the same time to reduce the costs associated with constructing the power plant because of logistics, labor and material.

Abstract: A solar-fossil-fuel hybrid power plant is controlled using thermal energy processing component thermal inertia characteristic data and atmospheric condition prediction information to adjust plant operations at a point in time that enables the plant to operate within a predetermined requirement when the plant experiences the predicted atmospheric condition.

Abstract: Water reclamation from gas turbine combustion exhaust flow presents an opportunity to provide water for use in a solar-fossil-fuel hybrid power plant, particularly in arid environments. Cooled feedwater is fed through condensing pipes disposed in a water reclamation exchange that is adapted to facilitate condensing the gas combustion exhaust vapor passing through the exchange.

Abstract: Disclosed herein is an integrated process for production of electricity, hydrogen, and water using a high-temperature gas-cooled reactor as a single source, including: the high-temperature gas-cooled reactor, a power conversion unit connected directly or indirectly with the high-temperature gas-cooled reactor to receive heat produced by a reactor core of the high-temperature gas-cooled reactor and drive a gas turbine by the heat, thereby producing electricity through an electric generator, a hydrogen production unit that produces hydrogen by receiving the heat produced by the high-temperature gas-cooled reactor and/or the electricity produced by the electric generator, an electrical desalination unit that produces water by using the electricity produced by the electric generator, and a thermal desalination unit that produces water by distilling fresh water from salt water with waste heat recovered from a precooler and an intercooler of the power conversion unit.

Abstract: The invention relates to a method and apparatus for recovering power from the gaseous stream produced by an oxidation reaction. Specifically, the invention is based on heating the gaseous stream from the oxidation reaction to a temperature of at least 800° C. and recovering energy through a gas turbine. The compressor stage of the gas turbine compresses the oxidant feed to the reactor thereby at least partially offsetting the cost of providing the high temperature and pressure reaction conditions in the reactor. The invention also provides improved control of the power recovery system by optimising the efficiency of the gas turbine by feeding gas to the gaseous stream to modulate the flow of gas to the turbine relative to the compressor discharge flow in order to compensate for the consumption of oxidant in the reactor.

Abstract: A method for operating a steam power station is provided. The steam turbine power station includes at least one steam turbine and a process steam consumer, wherein a steam mass flow is subdivided into a first partial mass flow and a second partial mass. In a first operating state, the first partial mass flow is supplied to the steam turbine and the second partial mass flow is supplied to the process steam consumer. In a second operating state, at least part of the second partial mass flow is supplied to the steam turbine at least after the first turbine stages. A steam power station is also provided.

Abstract: Systems and methods include heat exchangers using Organic Rankine Cycle (ORC) fluids in power generation systems. The system includes a heat exchanger configured to be mounted inside an exhaust stack that guides hot flue gases and having an inlet and an outlet, the heat exchanger being configured to receive a liquid stream of a first fluid through the inlet and to generate a vapor stream of the first fluid and the heat exchanger is configured to include a double walled pipe, where the first fluid is disposed within an inner wall of the double walled pipe and a second fluid is disposed between the inner wall and an outer wall of the double walled pipe.

Abstract: An adiabatic compressed air energy storage (ACAES) system includes a compressor system, an air storage unit, and a turbine system. The ACAES system further includes a thermal energy storage (TES) system that includes a container, a plurality of heat exchangers, a liquid TES medium conduit system fluidly coupling the container to the plurality of heat exchangers, and a liquid TES medium stored within the container. The TES system also includes a plurality of pumps coupled to the liquid TES medium conduit system and configured to transport the liquid TES medium between the plurality of heat exchangers and the container, and a thermal separation system positioned within the container configured to thermally isolate a first portion of the liquid TES medium at a lower temperature from a second portion of the liquid TES medium at a higher temperature.

Abstract: An air aspirated hybrid heat pump and heat engine system (20) for selectively heating and cooling a space (22) having an flow path (24) including a compressor (76), a heat exchanger (32), an expander (78), and a generator (68). A combustion chamber (62) is in the flow path (24) for combusting a fuel in the air during a high heating mode. The heat exchanger (32) dissipates the heat from the air, and the expander (78) depressurizes the air while powering the generator (68). Also included is a positive displacement rotating vane-type device (36) having a stator housing (38) extending between longitudinal ends (40). A compression chamber inlet (52) and an expansion chamber outlet (58) are located on opposite longitudinal ends (40) of the stator housing (38) to be in simultaneous communication with the same chamber (48, 50)). A fluid enters the device through the compression chamber inlet (52) and pushes fluid out of the expansion chamber outlet (58).

Abstract: A system and method for transmitting thermal energy. The system includes an intake for introducing air at a first temperature; an exhaust for exhausting the air, the exhaust being provided at a higher vertical elevation than intake; and a thermal energy source provided at second temperature higher than the first temperature, the waste thermal energy source being provided between the intake and the exhaust. The air introduced via the intake, passes the thermal energy source, and is exhausted via the exhaust due to a difference in elevation between the intake and the exhaust. The thermal energy source can be a waste thermal industrial energy source. The system can include a first ambient energy chamber configured to pass the air through the thermal energy source and an insulated, and a second ambient energy chamber provided between the ambient energy chamber and the exhaust, wherein the second ambient energy chamber is a made of a slow-loading thermal material.

Abstract: An engine control system comprises a base air per cylinder (APC) module, a catalyst temperature adjustment module, an ambient temperature adjustment module, and an APC adjustment module. The base APC module determines a base APC to reduce first engine pumping losses during a first deceleration fuel cutoff (DFCO) event relative to second engine pumping losses during a second DFCO event. The catalyst temperature adjustment module determines a catalyst temperature adjustment based on a catalyst temperature during the first DFCO event. The ambient temperature adjustment module determines an ambient temperature adjustment based on an ambient air temperature during the first DFCO event. The APC adjustment module selectively adjusts the base APC based on the catalyst temperature adjustment and the ambient temperature adjustment and controls at least one of the engine airflow actuators based on the adjusted base APC during the first DFCO event.

Abstract: One aspect relates to a hybrid propulsive technique comprising providing at least some first thrust associated with a flow of a working fluid through at least a portion of an at least one axial flow jet engine. The hybrid propulsive technique comprises extracting energy from the working fluid that is at least partially converted into electrical power, and converting at least a portion of the electrical power to torque. The hybrid propulsive technique further comprises rotating an at least one independently rotatable propeller/fan of at least one rotatable propeller/fan assembly at least partially responsive to the converting the at least a portion of the electrical power to torque, wherein the rotating of the at least one independently rotatable propeller/fan of the at least one rotatable propeller/fan assembly is arranged to produce at least some second thrust.

Abstract: A gas turbine comprising a liquid fuel supply system configured to provide a liquid fuel to a combustion system of the gas turbine; and an additive injection system in fluid communication with the liquid fuel supply system, wherein the additive injection system is configured to mix an additive blend with the liquid fuel to form a liquid fuel-additive mixture configured to inhibit coke formation in the liquid fuel supply system.

Abstract: A combustion liner cap assembly includes a cylindrical sleeve with a cantilevered fuel nozzle mounted therewithin; and a plurality of support rods. Each support rod has a first end supported by the cylindrical sleeve and a second end configured to contact the cantilevered fuel nozzle. Each support rod is adjustable in effective length to provide an adjustable compression force against the cantilevered fuel nozzle. A method for adjusting a resonant frequency of a cantilevered fuel nozzle mounted in a cylindrical sleeve is provided. A plurality of support rods extend between the cylindrical sleeve and the cantilevered fuel nozzle. An associated gas turbine has at least some combustion and rotor tones of interest. The method includes adjusting an effective length of the support rods to adjust compressive forces exerted against the cantilevered fuel nozzle to increase a resonant frequency of the fuel nozzle to be greater than the combustion and rotor tones of interest.

Abstract: An open cycle gas turbine system includes a storage tank, a closed helical supplier, a combustor, a gas turbine, a compressor, a propeller and a generator. After the combustion gas in the combustor enters the gas turbine, the combustion gas is expanded to apply a work and to produce a power to the gas turbine so as to operate the gas turbine so that the compressor is operated to compress the air, the generator is operated to generate an electric power, and the propeller is operated to propel vehicles. The closed helical supplier has a closely sealing effect so that the high pressure combustion gas in the combustor will not leak from the closed helical supplier and will not touch the solid fuel powder in the storage tank.

Abstract: An operational control system of a gas turbine which is driven using mainly ammonia as fuel, wherein in a deteriorated combustibility operating region where the combustibility of ammonia deteriorates compared with the time of normal operation of the gas turbine, for example, at the time of cold startup of the gas turbine and right after startup or right before stopping operation, etc., a ratio of fossil fuel in the fuel which is fed to the gas turbine is increased over the time of normal operation. Due to this, even when using nonflammable ammonia as a main fuel, it is possible to stably start up, operate, and stop the gas turbine.

Abstract: A combustion liner cap assembly includes a cylindrical outer sleeve. The cylindrical outer sleeve includes a center fuel nozzle opening and a plurality of outer fuel nozzle openings spaced around the center fuel nozzle. A mounting flange assembly concentrically surrounds the cylindrical outer sleeve. A plurality of struts on an outer surface of the cylindrical outer sleeve support the mounting flange assembly. A plurality of flanges are on the outer surface of the cylindrical outer sleeve; and a plurality of support rods having first ends are adjustably supported by respective flanges. A combustor for a gas turbine includes a combustion liner cap assembly, a plurality of outer fuel nozzles supported in the plurality of outer fuel nozzle openings, and a center fuel nozzle supported in the center fuel nozzle opening. Second ends of the plurality of support rods adjustably contact the center fuel nozzle.

Abstract: A turbine engine comprises a turbine housing, a turbine disposed in the turbine housing that is configured to receive hot combustion gas, a turbine component subject to thermal energy from the hot combustion gas and a cooling system disposed externally of the turbine housing and having a cooling medium disposed therein. A heat pipe has a high temperature end in communication with the turbine component and a low temperature end extending out of the turbine housing in communication with the cooling medium in the cooling system for transferring the thermal energy from the component to the cooling medium.

Abstract: An air conditioner includes a heat storage unit having a heat storage medium, a first heat exchanger for heat exchange with air in a compartment, a second heat exchanger for heat exchange with outside air, and a peltier unit having a first and second heat exchange surfaces opposite to each other. The first heat exchange surface is thermally conductive to the heat storage unit, and the second heat exchange surface is thermally conductive to the first and second heat exchangers. In heat storage mode electric current flows through the peltier unit in one direction to provide heat transfer between the second heat exchanger and the heat storage unit. In air conditioning mode electric current flows through the peltier unit in the other direction to provide heat transfer between the first heat exchanger and the heat storage unit.

Abstract: Various embodiments are directed to pulse tube coolers and components thereof. A pulse tube cooler may comprise a compressor, a regenerator, a pulse tube and a reservoir. A network of phase control devices may be placed in a fluid path between a hot end of the pulse tube and the reservoir. The network of phase control devices may have at least one flow resistance device and at least one inertance device.

Abstract: Various embodiments are directed to pulse tube coolers having flow resistance devices that are variable within the thermodynamic cycle of the pulse tube. An example pulse tube may comprise a compressor, a regenerator, a reservoir and a pulse tube. A working fluid may be positioned within the regenerator, pulse tube and reservoir. Further, a variable phase control device may be positioned in a fluid path between the pulse tube and the reservoir. The pulse tube cooler may also comprise a control circuit. The control circuit may be programmed to vary a characteristic of the variable phase control device based on the position of the pulse tube cooler in its thermodynamic cycle.

Abstract: Various embodiments are directed to multistage pulse tube coolers. In some embodiments, one or more stages of the pulse tube cooler may comprise a control valve positioned between the hot end of the pulse tube and the reservoir. Also, in various embodiments, one or more inter-stage control valves may be positioned between the pulse tubes of consecutive stages.