Abstract: An air blocker ring assembly includes a proximal end and a distal end, a blocker ring, and a blocker ring support. The blocker ring support includes at least one flange radially overlapping a portion of the blocker.

Abstract: A nozzle assembly (10) comprises a first-fuel-inlet tube (80), a second-fuel-inlet tube (90), and a plate stack (100). The nozzle-plate stack (100) defines a central circuit (104), corner air circuits (105), a first fuel circuit (106) and a second fuel circuit (107). The fuel circuits (106, 107) include a swirl chamber in which the fuel is swirled prior to being merged with the central circuit (104). The corner air circuits (105) merge with the central circuit (104) downstream of the fuel circuits' merge and provide an additional swirling component to further shape the fuel-air stream prior to ignition.

Abstract: A combustor for a turbine engine is provided. The combustor includes a first liner and a second liner forming a combustion chamber with the first liner, the combustion chamber configured to receive an air-fuel mixture for combustion therein. The first liner defining an air admission hole for directing a first jet of pressurized air into the combustion chamber, and the air admission hole may have a non-circular shape. The combustor further includes an insert positioned within the air admission hole to guide the first jet through the air admission hole and into the combustion chamber.

Abstract: The present application provides a combustion system for use with a cooling flow. The combustion system may include a head end, an aft end, a transition nozzle extending from the head end to the aft end, and an impingement sleeve surrounding the transition nozzle. The impingement sleeve may define a first cavity in communication with the head end for a first portion of the cooling flow and a second cavity in communication with the aft end for a second portion of the cooling flow. The transition nozzle may include a number of cooling holes thereon in communication with the second portion of the cooling flow.

Abstract: A power generation system and method of generating power with reduced NOx emission includes a gas turbine system. The turbine system includes a compressor configured to receive a feed oxidant stream and supply a compressed oxidant stream to a combustion chamber and an expander configured to receive a discharge stream from the combustion chamber and generate an exhaust stream comprising carbon dioxide and electrical energy. The system further includes an exhaust gas recirculation system configured to generate a recycle stream, wherein the recycle stream is mixed with a fresh oxidant to generate the feed oxidant stream. The exhaust gas recirculation system includes an exhaust gas recirculation control loop to control a pilot ratio (diffusion to total fuel ratio) based on received feedback related to combustion parameters. The control loop configured to control the pilot ratio required to keep NOx in its minimum ratios with improved flame stability.

Abstract: A gas turbine engine recuperator system includes a heat recuperator positioned in a gas turbine exhaust gas duct for recovering heat from turbine exhaust gases to preheat a compressor flow being supplied to the combustor. A continuous bleed flow of the turbine exhaust gases is provided to bypass the heat recuperator. The continuous bleed flow of the turbine exhaust gases is adjustable to reduce turbine exhaust gas pressure loss at a high engine operation level and to provide efficient heat recovery at low and/or medium engine operation levels.

Abstract: A combustor includes a shell that at least partially defines a combustion chamber and a grommet mounted in the shell. The grommet has a body that defines a passage through the grommet that is operable to communicate air from outside the combustion chamber into the combustion chamber. The body carries a first surface, an opposite, second surface and a third surface that defines the passage and joins the first surface and the second surface. The third surface includes a bevel surface with respect to at least one of the first surface and the second surface.

Abstract: A method and system for providing fuel to primary and secondary fuel nozzles in a gas turbine engine fuel system comprises generating a fuel flow and routing primary fuel from the fuel flow to a primary fuel nozzle. Backpressure on the fuel flow is maintained using a valve. The valve is opened at increased fuel flow to route secondary fuel from the fuel flow to a secondary fuel nozzle. The valve is progressively opened under increasing fuel flows to reduce a pressure drop across the valve produced by the secondary fuel.

Abstract: A fuel supply system is provided having a first fuel gas compressor configured to be driven by a motor and a second fuel gas compressor configured to be driven by a shaft of a gas turbine system. The first fuel gas compressor and the second fuel gas compressor are configured to supply a pressurized fuel flow to a combustor of the gas turbine system, and the first fuel gas compressor and the second fuel gas compressor are coupled to one another in series.

Abstract: Disclosed herein is a system comprising an air reactor; where the air reactor is operative to oxidize metal oxide particles with oxygen from air to form oxidized metal oxide particles; a fuel reactor; where the fuel reactor is operative to release the oxygen from the oxidized metal oxide particles and to react this oxygen with fuel and steam to form syngas; a water gas shift reactor located downstream of the fuel reactor; where the water gas shift reactor is operative to convert syngas to a mixture of carbon and hydrogen; a combustor; and a gas turbine; the combustor being operative to combust the hydrogen and discharge flue gases derived from the combustion of hydrogen to drive the turbine; where the exhaust from the turbine is carbon free.

Abstract: A gas turbine system includes a compressor operative to output an airstream and a diffuser having an inlet to receive the airstream and an outlet to output the airstream. The outlet has an area larger than the inlet to diffuse the airstream. The gas turbine system also includes a fuel nozzle operative to receive fuel and emit the fuel in a combustor and at least one bleed duct having an inlet between the compressor and the outlet of the diffuser. The at least one bleed duct is operative to direct bleed air from downstream of the compressor to the fuel nozzle.

Abstract: A gas turbine engine includes first and second shafts rotatable about a common axis. The gas turbine engine includes a fan, and first and second gear trains interconnected to one another and coupling the first shaft to fan.

Abstract: A gas turbine engine turbine has a high pressure turbine configured to rotate with a high pressure compressor as a high pressure spool in a first direction about a central axis and a low pressure turbine configured to rotate with a low pressure compressor as a low pressure spool in the first direction about the central axis. A power density is greater than or equal to about 1.5 and less than or equal to about 5.5 lbf/cubic inches. A fan is connected to the low pressure spool via a speed changing mechanism and rotates in the first direction.

Abstract: The present invention is directed to a mounting system for a gas turbine transition duct. The mounting system includes a generally C-shaped mounting bracket having a generally radially extending first portion, an arc-shaped second portion, and a generally radially extending third portion. Each of the first portion and third portion includes a spherical bearing and the second portion has a plurality of sets of mounting holes. In another embodiment of the present invention, a gas turbine transition duct is provided having a panel assembly, an aft frame secured to the panel assembly and a mounting system for securing the transition duct to a turbine inlet. The panel assembly includes two formed sheets of metal secured together along axial seams. The panel assembly is secured to an aft frame that is capable of expanding in the circumferential direction due to thermal growth.

Abstract: A nose cone for a turbofan gas turbine engine includes a central tip, an outer perimeter and a substantially conical outer wall extending therebetween which encloses a cavity therewithin. The outer wall includes an inner substrate layer facing the cavity and an outer layer which overlies and at least partially encloses the inner substrate layer. The outer layer is composed entirely of a nanocrystalline metal forming an outer surface of the nose cone.

Abstract: A turbine casing assembly, comprising an annular seal segment assembly for surrounding the turbine adjacent to the turbine blades. An abradable coating is provided on the inboard surface of the seal segments of the assembly and one or more coolant ducts extend from the outboard surface of the seal segment assembly through respective seal segments and the abradable coating, for carrying a coolant towards the blade tips. One or more annular grooves are formed in the inboard surface of the abradable coating, the or each coolant duct opening into one of the one or more annular grooves.

Abstract: In a magnetic refrigeration device, magnetic bodies having a magnetocaloric effect and solid heat accumulation members having heat accumulation effect are arranged alternately with gaps therebetween. Magnetic field apply units start and stop application of magnetic fields to the magnetic bodies. A contact mechanism brings each of the magnetic bodies into contact with one of the solid heat accumulation members adjacent to the each magnetic body. Alternatively, the contact mechanism brings each of the solid heat accumulation members into contact with one of the magnetic bodies adjacent to the each solid heat accumulation members.

Abstract: A portable water-generating device for obtaining water from ambient air including a thermoelectric cooling device having a cold side and a hot side, a thermally-conductive cold sink having multiple cold sink fins of a first size thermally coupled to the cold side and a thermally-conductive heat sink with multiple heat sink fins of a second size thermally coupled to the hot side. Air-movement devices move ambient air into the device and over the cold sink fins. The ambient air is cooled as it passes over the cold sink fins causing water to condense on the cold sink fins and to collect into a collecting tray. The water is then pumped through a multi-stage filtration and mineralization system and into a dispensing water reservoir for immediate or later use.

Abstract: A cooling system is provided for cooling an electrical component. The cooling system includes a supply of liquid natural gas (LNG) and a heat sink configured to be positioned in thermal communication with the electrical component. The cooling system also includes an LNG conduit configured to be interconnected between the heat sink and the supply of LNG such that the LNG conduit is configured to carry LNG from the supply to the heat sink. A pump is configured to be operatively connected in fluid communication with the supply of LNG. The pump is configured to move LNG within the LNG conduit from the supply to the heat sink.

Abstract: Provided, is a fully integrated system to monitor and control carcass weight to minimize weight loss in carcasses during the chilling cycle. This will be accomplished by incorporating a load cell and a radio frequency identification device on the trolley operating on the elevated track system extending through the packing plant, including the carcass chilling rooms. This method and apparatus will provide the needed location and weight data to control a water spray system to maintain a constant carcass weight during the entire chilling cycle.

Abstract: An automated, ultra-low temperature freezer having multiple structural features that reduce heat transfer into the freezer, protect its internal mechanical devices against low temperature mechanical binding of their movements, allow defrosting and autoclaving as a result of only minimal changes to the conventional CO2 emergency backup system. A group of freezers are arranged so they can simultaneously provide an HVAC function. A vial management system allows biological samples or vials to be automatically placed in and recovered from the freezer and associates the temperature history with each sample or vial that it was subjected to during its storage.

Abstract: The invention relates to a composition comprising (E)-1,1,1,4,4,4-hexafluorobat-2-ene as a mixture with at least one hydrocarbon, hydrofinorocarbon or fluoroolefin compound having a boiling point less than or equal to 42° C., and also to the use of this composition as a heat transfer fluid.

Abstract: The invention relates to a method and a device for disinfecting the air of an air flow (2) inside an air supply duct (1) with a nontoxic disinfectant. The disinfectant is sprayed and injected in the injection direction (31) by means of at least one injection nozzle (30) of an injection device (3), the injection direction (31) approximately corresponding to the direction of the air flow (2). The injection in the region located after a contraction (12) in the duct and the related flow acceleration enables an absorption of the particles on the inner walls (100) of the air supply duct (1), over the entire length of the air supply duct (1).

Abstract: The invention relates to a refrigeration circuit with at least two compressors, each compressor comprising at least one lubrication point and at least one oil pump having an outlet for providing oil to said lubrication point; wherein the outlet of the oil pump of at least one of the compressors is fluidly connected to the lubrication point of at least one different compressor.

Abstract: An apparatus and a method for conditioning air has a quantity of liquid desiccant. A first portion of a first airflow is received in a first contact volume such that it contacts a first portion of the liquid desiccant. A second contact volume is in parallel with the first contact volume and receives a second portion of the first airflow. At least a portion of a second airflow is brought into contact with a second portion of the liquid desiccant in a third contact volume. A first heat exchanger is associated with the first portion of the liquid desiccant and configured to transfer heat between the first portion of the liquid desiccant and a first medium. A second heat exchanger is associated with the second portion of the liquid desiccant and configured to transfer heat between the second portion of the liquid desiccant and a second medium.

Abstract: An installation and method for freezing and cold storage of palletized product. A chiller is provided in the interior of a cold storage warehouse space that maintains the temperature of ambient air within the space below freezing. A plurality of racking structures each define an air flow chamber having air intake openings on opposite sides thereof and an air outlet to enable freezing air to be drawn into the chamber through the intake openings and exhausting into the warehouse space. Pallets on pallet guides are pressed against the intake openings such that freezing air is drawn through the palletized product to thereby quickly freeze the product. The pallet structure and air flow chambers are arranged in spaced-apart rows to enable a forklift to pass down the aisles so as to place and remove the palletized product.

Abstract: A flash tank for use in a vapor compression system includes a flash tank housing, an inlet, a vapor outlet, a liquid outlet, and an eliminator. The eliminator is fluidically positioned between the inlet and the vapor outlet. The eliminator includes either a plurality of blades or a piccolo tube connected to the vapor outlet.

Abstract: A method for selectively transferring latent and sensible heat from air in a cooling system of a building structure interior volume that includes at least the steps of: (1) providing a building structure air conditioning system that provides cooling to at least a portion of the interior volume of a building structure and (2) adjusting a ratio of a time coolant flows through the first evaporator to a time coolant flows through the second evaporator such that coolant flows through the first evaporator for more time than the second evaporator when more latent heat is removed from the air and more coolant flows through the second evaporator for more time than the first evaporator when more sensible heat is removed from the air.

Abstract: A system and method to retrofit a building structure having a forced air cooling system with a thermal storage system. The method typically includes the steps of installing a coolant loop that is free of a compressor, and a condenser, where the coolant loop comprises a refrigerant fluid pump and refrigerant fluid conduits that deliver coolant loop refrigerant fluid to a coolant loop evaporator spaced within a building air cooling passageway that delivers air to at least a portion of the interior volume of the a building structure and in thermal communication with air passing through the passageway and where the coolant loop is in thermal communication with a thermal energy storage material within a thermal energy thermal storage fluid tank; and activating the coolant loop pump to provide cooling to the coolant loop evaporator thereby cooling air moving in the building air passageway of a building structure.

Abstract: A heat pump includes a main refrigerant circuit having a compressor, an indoor heat exchanger, and an outdoor heat exchanger, and a reversing valve. A biflow expansion valve is configured to receive condensed liquid refrigerant and to expand the refrigerant. A cooling circuit in fluid communication with the main refrigerant line includes an expansion device configured to receive a portion of condensed liquid refrigerant from the main refrigerant circuit and to expand the portion of condensed liquid refrigerant. A heat sink is configured to receive the expanded portion of refrigerant from the expansion device. Power electronics are coupled to the heat sink such that the portion of expanded refrigerant from the expansion device passes through the heat sink and cools the power electronics.

Abstract: A battery system and a method for cooling the battery system are provided. The system includes an evaporative cooling member, and a battery module having a housing, a battery cell, and a solid cooling fin. The housing holds the battery cell therein. The solid cooling fin has first and second panel portions. The first panel portion is disposed against the battery cell. The second panel portion extends through the housing and is disposed on the evaporative cooling member. The solid cooling fin conducts heat energy from the battery cell to the evaporative cooling member. The evaporative cooling member receives a gaseous-liquid refrigerant and transitions the gaseous-liquid refrigerant into a gaseous refrigerant utilizing the heat energy received from the solid cooling fin.

Abstract: A low-volume vapor compression air conditioning system is provided. The system comprises a compressor, a condenser, low-pressure and high-pressure working fluid conduits, a pressure sensor, a temperature sensor, and a working fluid flow restrictor. The restrictor comprises a housing; a first end face and a second end face within the housing; a plug movable within a passage in communication between the first and second end faces; a seat in the housing between the plug and the second end face, wherein the seat and the plug are arranged such that, when the plug engages the seat, flow from the first end face to the end face is restricted. The restrictor is configured to control flow of working fluid in response to the measured temperature and pressure of the working fluid within the high pressure working fluid conduit.

Abstract: A freezer includes a housing having a space therein for receiving a cryogenic gas, and an inlet and an outlet in communication with the space; a conveyor belt having an outer edge and being arranged for movement through the space for transferring a product from the inlet through to the outlet; a solid longitudinal member disposed in the space adjacent the outer edge for segregating the space into an upper chamber and a lower chamber; and a transfer duct operatively associated with the housing and having a first opening in communication with the upper chamber for receiving the cryogenic gas from the upper chamber and a second opening in communication with the lower chamber for expelling the cryogenic gas into the lower chamber.

Abstract: A radiator arrangement in a vehicle (1) powered by a combustion engine (2). The arrangement includes an AC system (20) with a circulating refrigerant which gives off heat in a condenser (12) and absorbs heat in an evaporator (23) and the evaporator is in contact with air close to a cab space (24) in the vehicle (1). A line circuit in which circulating coolant comes into heat-transferring contact with the engine (2). The condenser (12) is in heat-transferring contact with coolant which circulates through the line circuit. An activator for the AC system (20) causes coolant to be circulated through the line circuit when the engine (2) is not in operation. When the engine (2) is cold, coolant in the line circuit delivers thermal energy it acquires in the condenser (12).

Abstract: Systems and methods are described for controlling fan-only cooling duration following normal air conditioning operation. Following normal AC cooling, economical fan cooling is used. The duration of the fan cooling period is adjusted based on temperature measurements made during the previous cooling cycle that ended with fan cooling. An expected temperature drop to be provided by fan cooling as well as an expected time to achieve that drop is calculated based on prior measurements. The expected values are then used improve fan cooling for subsequent cooling cycles. In some cases, fan cooling is not initiated unless: (1) a time limit has an elapsed, such that sufficient condensation is allowed to form on the evaporator coil during the first phase, and (2) indoor relative humidity is below a predetermined threshold.

Abstract: There is provided a refrigeration cycle apparatus in which an outdoor heat source unit, an indoor unit, and a water heating unit are connected, and an air conditioning operation and a water heating operation can be performed separately, and an exhaust-heat recovery operation can be performed by simultaneously performing air cooling and water heating. The outdoor heat source unit includes a compressor for compressing refrigerant, a refrigerant air-heat exchanger that performs heat exchange between the refrigerant and outside air, a fan for cooling the refrigerant air-heat exchanger, a control device that includes an inverter device for driving the compressor, and a heat sink for dissipating heat of the inverter device, and a switching element in the inverter device is constituted by an element formed by a wide bandgap semiconductor.

Abstract: A solar air conditioning system and method of superheating working fluid is provided. The solar air conditioning system superheats the working fluid using radiant energy from the sun, and then delivers the working fluid as a superheated and higher-pressured gas to a condenser within the solar air conditioning system. The solar air conditioning system includes a solar collector within which the working fluid is superheated.

Abstract: An air conditioning and ventilating system for a two-story building with a water tank disposed on the roof includes a first condenser unit and a first air handling unit for cooling a first set of primary cooled rooms and a first set of secondarily cooled rooms on an upper floor of the building. The system also includes a second condenser unit and a second air handling unit for cooling a second set of primarily cooled rooms and a second set of secondarily rooms on a lower floor and wherein the second condenser unit and second air handling unit are independent of the first condenser unit and first air handling unit. On both floors cool air from the first set of rooms is partially returned to the air handling units and partially recirculated into the primary cooled rooms.

Abstract: A hot gas defrost condensate pan for collecting condensation from a refrigerator evaporator system is disclosed and claimed. In an embodiment, the condensate pan includes a heat exchanger with a header forming a closed loop and a tube bank disposed within the closed loop. The upper plane of the tube bank sits below the upper plane of the header, forming a recess in which an inner pan section sits. The header and tube bank collectively define a frame for the condensate pan. Further, the header surrounds the perimeter of the inner pan section, providing defrost heat in ice-prone areas. An outer pan section is provided on the underside of the heat exchanger. The inner pan section and the outer pan section are preferably seam welded to the heat exchanger, to protect the internal components of the condensate pan, and to prevent the ingress of dirt and bacteria.

Abstract: A method and materials are disclosed for cleaning the internal parts of a refrigeration system while keeping the system on line and operational. The ability to clean the system may bring the energy efficiency of the existing equipment back to or above the original energy efficiency. The ability to also keep the system on line during the cleaning process may avoid extensive down time and may eliminate the need to disassemble and replace system components.

Abstract: A space-environment dedicated cooling device includes a first flow path to which coolant to be cooled is fed, a second flow path thermally coupled to the first flow path and a water absorbing body which is exposed to the space environment when the cooling device is used in the space environment. The second flow path is fed with feedwater. The water absorbing body is fed with the feedwater from the second flow path. The water absorbing body includes a water absorbing member made of water-absorbing material.

Abstract: A vacuum insulated door structure comprises a first wall having a first edge, outer sidewalls that extend from the first edge to a perimetrical lip, a first inner surface and a first outer surface. A second wall has a second inner surface, a second outer surface and a second edge coupled to the perimetrical lip forming a cavity volume. The second wall includes inner sidewalls defining a second wall opening. The inner sidewalls extend to a back wall and define a second wall offset. A tubular member includes a first end coupled to a first conduit opening in the first wall and a second end coupled to a second conduit opening in the second wall offset. A barrier layer is disposed on the first and second walls and the tubular member. A cavity insulation material is disposed within the cavity volume which is hermetically sealed.

Abstract: An air duct device for refrigerator includes a first compartment, a second compartment, and a fan motor. The first compartment has a front opening and a rear opening. The second compartment has a front opening, and the second compartment is disposed by the first compartment and connected with the first compartment through an intermediate opening. The fan motor provided at a first location close to the front opening of the first compartment for taking in air from outside and blowing the air into the first compartment toward the rear opening of the first compartment. The condenser is installed at a second location between the first location and the rear opening of the first compartment and the compressor is installed at a third location between the second location and the the rear opening of the first compartment and the compressor.

Abstract: A passive thermally regulated shipping container with at least one removable PCM panel containing dual immiscible phase change materials having different freezing points.

Abstract: An evaporator system that includes: a first evaporator coil at a first evaporator temperature and pressure; a second evaporator coil at a second evaporator temperature and pressure that is less than the first evaporator temperature and pressure where the first evaporator and second evaporator are configured to be thermally disjointed; and a plurality of thermally conductive spaced apart evaporator fins having a plurality of spaced apart thermal break portions positioned between the first evaporator coil and the second evaporator coil that thermally disjoin the first evaporator and the second evaporator.

Abstract: A refrigerant circuit using a vapor compression cycle, the circuit usable for air conditioning, refrigeration or heat pump purposes. The circuit includes a lubricated compressor connected to an oil separator vessel separate from the compressor, a falling film or hybrid falling film evaporator and a condenser. The oil separator vessel extends substantially horizontally. The oil separator vessel is separated into a primary space and a secondary space by a filter pad configured to substantially remove entrained oil droplets of about 5 ?m and larger from the refrigerant entering the oil separator vessel. The primary space is in fluid connection with a discharge of the compressor. The secondary space is in fluid connection with an inlet of the condenser. The circuit has an oil entrainment flow discharge of lubricant from the compressor of at least about two percent by mass relative to refrigerant flow.

Abstract: A high-efficiency air conditioning system for chilling an interior of a building that includes: a compressor; a condenser having a condenser fan associated with the condenser that moves air to cool the condenser; at least two evaporator sections wherein a first evaporator section operates at a first evaporator pressure and a second evaporator section operates at a second evaporator pressure that is different than the first evaporator pressure; at least a first throttling device and a second throttling device having different throttling characteristics with the first throttling device being less restrictive than the second throttling device; and a plurality of refrigerant conduits.

Abstract: An apparatus for compressing air and producing a carbon dioxide-rich fluid includes an air compressor, an element for bringing the air bound for the air compressor into contact with water to produce humidified air and cooled water, a pipe for sending the humidified compressed air from the air compressor to an installation producing a carbon dioxide-rich gas, a carbon dioxide-rich gas compressor for compressing the carbon dioxide-rich gas, at least one heat exchanger upstream and/or downstream the carbon dioxide-rich gas compressor and pipes for conveying into the heat exchanger water cooled in the contact element and the carbon dioxide-rich gas.

Abstract: A method comprising the cooling of the feed natural-gas (15) in a first heat exchanger (16) and the introduction of the cooled feed natural-gas (40) in separator flask (18). The method further comprising dynamic expansion of a turbine input flow (46) in a first expansion turbine (22) and the introduction of the expanded flow (102) into a splitter column (26). This method includes sampling at the head of the splitter column (26) a methane-rich head stream (82) and sampling in the compressed methane-rich head stream (86) a first recirculation stream (88). The method comprises the formation of at least one second recirculation stream (96) obtained from the methane-rich head stream (82) downstream from the splitter column (26) and the formation of a dynamic expansion stream (100) from the second recirculation stream (96).

Abstract: This invention relates to a method and apparatus to remove unwanted water moisture from industrial, commercial and home shop compressed air systems. The invention removes water through the process of thermal condensation.