Abstract: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.

Abstract: In a self-propelled machine F for processing paving material, the machine having a liquid cooled combustion engine M and at least one hydraulic circuit H containing hydraulic pumps 6, hydromotors or hydrostatic drive units 7-10 and at least one hydraulic medium reservoir 12, a fan assisted cooling device K including cooling regions 1b, 1c at least for the cooling liquid of the combustion engine M and of the hydraulic medium of the hydraulic circuit H. A hydraulic medium operation temperature setting and regulating device R is provided for the hydraulic medium cooling region 1c constituted by a separate cooler 24 in order to generate an operation temperature T of the hydraulic medium above at least about 60° C. and to maintain this operation temperature depending on the hydraulic load situation in the hydraulic liquid H and on the surrounding climate, independently from a cooling regulating system S for the combustion engine M.

Abstract: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.

Abstract: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.

Abstract: A linear actuator associated with an actuator system for a device includes a wire cable fabricated from an active material. The linear actuator couples to the device and to the moveable element. The active material induces strain in the linear actuator in response to an activation signal. The linear actuator translates the moveable element relative to the device in response to the induced strain. An activation controller electrically connects to the linear actuator and generates the activation signal. A position feedback sensor monitors a position of the moveable element.

Abstract: A lithographically structured device has an actuation layer and a control layer operatively connected to the actuation layer. The actuation layer includes a stress layer and a neutral layer that is constructed of materials and with a structure such that it stores torsional energy upon being constructed. The control layer is constructed to maintain the actuation layer substantially in a first configuration in a local environmental condition and is responsive to a change in the local environmental condition such that it permits a release of stored torsional energy to cause a change in a structural configuration of the lithographically structured device to a second configuration, the control layer thereby providing a trigger mechanism. The lithographically structured device has a maximum dimension that is less than about 10 mm when it is in the second configuration.

Abstract: An input rod and an input piston are advanced in response to an operation of a brake pedal, and an electric motor is driven according to the movement of the input piston to push a primary piston forward in a master cylinder through a ball-screw mechanism, thereby generating desired hydraulic pressures in a primary chamber and a secondary chamber and supplying the hydraulic pressure to the brake caliper of each wheel. At this time, a part of the hydraulic pressure in the primary chamber is received by the input piston to feed back to the brake pedal a part of the reaction force of hydraulic pressure during braking. A retainer of a spring assembly interposed between the primary and secondary pistons has a hollow structure to insert therein the forward end portion of the input piston, thereby allowing a reduction in the axial length of the primary piston.

Abstract: In a vehicular brake system, an input piston and a pressure piston are coaxially and axially movably supported in a cylinder, and a brake pedal is coupled to the input piston. Pressure chambers formed on the axially opposite sides of the input piston communicate with each other via a communication passage. A control oil pressure can be supplied to a first supply port of the communication passage, and a reaction-force oil pressure can be supplied to a second supply port of a reaction-force chamber of the input piston, while braking oil pressures can be delivered from delivery ports of the respective pressure chambers.

Abstract: According to one aspect of the embodiment, a steam turbine power plant 10 is provided with a steam turbine system 20 which generates electricity by driving a steam turbine by the steam from a boiler 21 or the like which generates the steam by combustion heat, and a carbon dioxide recovery system 50 which recovers carbon dioxide contained in the combustion gas from the boiler 21 or the like. In the steam turbine system 20, part of the steam having performed the expansion work in a high-pressure turbine 22 is introduced into a back-pressure turbine 27. The steam introduced into the back-pressure turbine 27 performs the expansion work and partly supplied to the carbon dioxide recovery system 50 through a pipe 42 to heat an absorption liquid 90 in a regeneration tower 70.

Abstract: A compressed-air energy storage system according to embodiments of the present invention comprises a reversible mechanism to compress and expand air, one or more compressed air storage tanks, a control system, one or more heat exchangers, and, in certain embodiments of the invention, a motor-generator. The reversible air compressor-expander uses mechanical power to compress air (when it is acting as a compressor) and converts the energy stored in compressed air to mechanical power (when it is acting as an expander). In certain embodiments, the compressor-expander comprises one or more stages, each stage consisting of pressure vessel (the “pressure cell”) partially filled with water or other liquid. In some embodiments, the pressure vessel communicates with one or more cylinder devices to exchange air and liquid with the cylinder chamber(s) thereof. Suitable valving allows air to enter and leave the pressure cell and cylinder device, if present, under electronic control.

Abstract: A waste heat recovery system includes at least two integrated rankine cycle systems coupled to at least two separate heat sources having different temperatures. The first rankine cycle system is coupled to a first heat source and configured to circulate a first working fluid. The second rankine cycle system is coupled to at least one second heat source and configured to circulate a second working fluid. The first and second working fluid are circulatable in heat exchange relationship through a cascading heat exchange unit for condensation of the first working fluid in the first rankine cycle system and evaporation of the second working fluid in the second rankine cycle system.

Abstract: The present invention takes the form of a system that may reduce the effect of a transient of a fuel system. Essentially, an embodiment of the present invention incorporates a pressure control cell (PCC) with the fuel system. The PCC may be considered an additional volume that removes some of the fuel remaining in the fuel system during a transient event. During a transient event, when a rapid reduction of fuel is required for a fuel circuit, fuel may be allowed to exit a manifold of the fuel system and enter the PCC. This fuel may now be stored within the PCC and may no longer be available to the combustion can. A benefit of the present invention may be a reduced possibility of an undesired increase in rotor speed, and a lean blowout event.

Abstract: A turbomachine combustion chamber in which a chamber end wall presents an opening for receiving a pre-vaporization bowl, and including a device for injecting air and fuel mounted on the axis thereof, the bowl being floatingly mounted relative to the chamber end wall to move in a predetermined radial direction and flaring downstream so as to form a collar, a deflector forming a thermal shield being made integrally with the bowl beside the chamber end wall so that the floating movement of the bowl-and-deflector assembly takes place in a sliding plane situated between the deflector and the chamber end wall.

Abstract: A fuel nozzle assembly includes a swirler assembly having an inlet end, an outlet end, a shroud inner surface and a hub outer surface. The inner surface has a first diameter adjacent to the inlet end and a second diameter adjacent to the outlet end defining a differential diameter ratio. A plurality of vanes are coupled to the swirler assembly and extend between the shroud inner surface and the hub outer surface. The vanes have a pair of opposing sidewalls joined at a leading edge and at an axially-spaced trailing edge, and a first height adjacent to the leading edge and a second height adjacent to the trailing edge. The first height and the second height define a differential height ratio, wherein the differential diameter ratio, the differential height ratio, or both are configured to provide convergent flow through the fuel nozzle.

Abstract: A fuel nozzle for a turbine engine has a central body member with a pilot, a surrounding barrel housing, a mixing duct and an air inlet duct. The fuel nozzle additionally has a main fuel injection device located between the air inlet duct and the mixing duct. The main fuel injection device is configured to introduce a flow of fuel into the barrel member to create a fuel/air mixture which is then premixed with a swirler. The fuel/air mixture then further mixes in the mixing duct and exits the nozzle into a combustor for combustion. The geometry of the fuel nozzle ensures that pressure waves from the combustor do not create a time varying fuel to air equivalence ratio in the flow through the nozzle that achieves a resonance with the pressure waves.

Abstract: The present invention takes the form of a method that may reduce the effect of a transient of a fuel system. Essentially, an embodiment of the present invention incorporates a pressure control cell (PCC) with the fuel system. The PCC may be considered an additional volume that removes some of the fuel remaining in the fuel system during a transient event. During a transient event, when a rapid reduction of fuel is required for a fuel circuit, fuel may be allowed to exit a manifold of the fuel system and enter the PCC. This fuel may now be stored within the PCC and may no longer be available to the combustion can. A benefit of the present invention may be a reduced possibility of an undesired increase in rotor speed, and a lean blowout event.

Abstract: A method for controlling a gas turbine combustion system includes supplying an ultra low calorific fuel to a combustor of the combustion system through a first fuel circuit, controlling a supply of the ultra low calorific fuel through a second fuel circuit as required to control the volumetric flow of the ultra low calorific fuel through the combustor, and combusting the ultra low calorific fuel in the combustor.

Abstract: The present invention is spray system such as a nozzle array, for more effectively and efficiently delivering liquid spray to air before its intake into an engine, a power augmentation system for an engine comprising the spray system and a method for more effectively humidifying air. The system is comprised of a plurality of independently-operable nozzle stages, which divide the flow path into a plurality of subsections. A group of nozzle stages comprise a unit of the system, which is comprised of a plurality of repeating units. The units are spaced to allow air flow through. The nozzle array is configured to substantially equally humidify the air through each subsection. The design of the nozzle array achieves more uniform mixing of air and water close to the point of injection of the air and water across the entire water injection range. As such, it maximizes the time available for evaporation by the drops in air that is not oversaturated.

Abstract: An oxy-combustor is provided to combust oxygen with gaseous low heating value fuel. A compressor upstream of the combustor compresses the fuel. The combustor produces a drive gas including steam and carbon dioxide as well as other non-condensable gases in many cases, which pass through a turbine to output power. The drive gas can be recirculated to the combustor, either through the compressor, the oxygen inlet or directly to the combustor. Recirculation can occur before or after a condenser for separation of a portion of the water from the carbon dioxide. Excess carbon dioxide and steam is collected from the system. The turbine, combustor and compressor can be derived from an existing gas turbine with fuel and air/oxidizer lines swapped.

Abstract: A start system for an engine package with a high spool includes a power source which generates air. A nozzle system in fluid communication with the power source, the nozzle system operable to direct air toward the high spool to spin-up the high spool.

Abstract: A method, a system, and a product for enhancing the start of a turbine engine by providing a replaceable ignition module including a solid combustible substance, that when ignited, or a solid oxidizer substance, that when heated, releases hot gases rich in oxidizing species. The module includes a solid substance(s) appropriately selected as: a solid-propellant grain (SPG) and a solid oxidizer (SO); or an oxygen-rich burning substance (OBSS); or a solid-propellant to grain and an oxygen-rich burning substance; or an oxygen-rich burning solid substance and a solid oxidizer. The replaceable module further contains an initiator for the initiation of the solid combustible substance, or solid-propellant grain by an initiation command (IC). The hot gases released by the ignition module start and enhance the combustion process of the air-and-fuel mixture by successive fuel heating and vaporization, followed by ignition.

Abstract: An apparatus which includes: a carbonizer (1) which pyrolyzes a biomass to yield a pyrolysis gas and a carbonization product; a furnace (2) in which the carbonization product supplied from the carbonizer (1) is burned; a closed vessel (3) which is disposed in the furnace (2) and holds therein a carbonate (4) which has been melted by the heat generated by the carbonization product burned in the furnace (2); an introduction pipe (5) disposed so that the pyrolysis gas is introduced into the molten carbonate (4) in the closed vessel (3); and a fuel gas supply pipe (6) disposed so that a fuel gas, which is the pyrolysis gas sent through the introduction pipe (5), passed through the molten carbonate (4), and purified by reaction with the molten carbonate (4), is sent from the closed vessel (3) to the outside of the furnace (2).

Abstract: To include a cooling passage leading from a latter stage of a compressor, via an external cooler, to a hollow part provided in a load coupling that couples a rotor of the compressor and a rotor of a turbine to each other, and also leading from the hollow part to the latter stage of the compressor, and a centrifugal compressor that raises air pressure in the hollow part with rotation of the load coupling, in the hollow part. Therefore, pressure of the air in the hollow part is raised by the centrifugal compressor by using a centrifugal force resulting from the rotation of the load coupling at the time of operating the gas turbine. Cooled air flows from the hollow part to between compressor rotor blades and compressor vanes at the latter stage, and then flows into the hollow part, thereby enabling to efficiently reduce temperature in the hollow part.

Abstract: A method and system for an integrated ejector valve assembly is provided. The integrated ejector valve assembly includes a first valve assembly configured to control a flow of relatively lower pressure fluid from a first inlet port, a second valve assembly configured to control a flow of relatively higher pressure fluid from a second inlet port, a first actuation chamber configured to close the first valve assembly, a second actuation chamber configured to close the second valve assembly, and a third actuation chamber configured to open the second valve assembly.

Abstract: A gas turbine engine pneumatic system for controlling an air bleed valve includes a variable orifice device for controllably discharging air from the pneumatic system in order to reduce a maximum air pressure applied to the air bleed valve, to a predetermined level. A filter device is provided to filter the air discharged from the variable orifice.

Abstract: The various embodiments herein provide an air conditioner system for providing cold and warm air in cars and buildings. The air conditioner system includes a chamber, a plurality of input air blades, a plurality of input air filters, an electrical ventilator, one or more wet heat exchangers, and one or more dry heat exchangers installed in the chamber, an outgoing air heat exchanger, an operation selection valve, an electrical circulating pump, one or more sets of water sprayers nozzles, one or more water sprayer pumps, one or more thermoelectric modules and a microcontroller unit. The passing of air through the chamber is automatically controlled by the microcontroller unit based on the operation of the system in the cooling or heating mode. The air is cooled in the cooling mode using the multistage water evaporation mechanism.

Abstract: A heat exchanger for a vehicle is shown, wherein the heat exchanger includes a plurality of tubes having integrated thermoelectric devices disposed thereon to facilitate heat transfer between the tubes and an atmosphere surrounding the tubes.

Abstract: A method of controlling temperature for forming ice within an icemaker compartment of a refrigerator is disclosed. The method includes the steps of activating at least one of the compressor and the coolant pump during an icemaking cycle to provide cooling to the icemaker compartment sufficient to make ice at a first rate, and increasing operation of at least one of the compressor and the coolant pump to provide cooling to the icemaker compartment sufficient to make ice at a second rate, which is faster than the first rate. A related refrigerator is also disclosed.

Abstract: In a plasma processing apparatus, a check valve is installed close to a refrigerant inlet of a compressor. When performing maintenance of a sample stage, refrigerant collected from a refrigerant flow path is temporarily stored in a flow path section extending from an expansion valve to the check valve, making it possible to perform the maintenance without changing the amount of refrigerant in the refrigerating cycle. With a refrigerant storage tank, a refrigerant supply valve, and a refrigerant discharge valve included in the refrigerating cycle, when maintenance of the compressor, a condenser, or the expansion valve is performed, the refrigerant collected from the refrigerating cycle can be put in use again.

Abstract: This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11.

Abstract: A refrigerator includes a main body defining a compartment, the compartment having an access opening and a first wall, a door supported by the main body for selectively closing at least part of the access opening, a sub-compartment on the door, the sub-compartment including a second wall having an opening, a heat exchanger supported by the first wall and positioned so that when the door is closed the heat exchanger is exposed to an interior of the sub-compartment through the opening. The heat exchanger includes a heat exchanging plate. A sealed refrigeration system contains a working medium for cooling the heat exchanger and has one or more segments attached to the heat exchanging plate. A fan is configured to force air over the heat exchanging plate and into the interior of the sub-compartment. A thermistor is coupled to the heat exchanging plate for monitoring a temperature of the heat exchanging plate.

Abstract: A method for densifying liquid methane is described. The method includes passing the liquid methane through a liquid nitrogen bath, self-pressurizing a container associated with the liquid nitrogen bath through boil off of the liquid nitrogen within the container, and regulating pressure within the liquid nitrogen container to maintain a boiling point of the liquid nitrogen above the triple point temperature of the liquid methane passing through the liquid nitrogen bath.

Abstract: A cooling, heating and power system (10) includes a prime mover (12) for producing electricity having a thermal output (18) and an electrical output (20) coupled to an absorption chiller (24). A part-load, active, redundant chiller (26) is thermally coupled to the absorption chiller (24) for receiving a cooling-heating fluid from the absorption chiller (24). The part-load chiller (26) operates at maximum efficiency at between about forty percent and about sixty percent of a maximum cooling load of the chiller (26) to thereby generate large volumes of cooling very efficiently. The system (10) may direct the cooling into a multi-zone cooling-heating circuit (40) including a critical zone (42) and a utility zone (44) thermally coupled to the chiller (26) for selectively delivering the cooling-heating fluid to at least one of the critical zone (42) and the utility zone (44) of the circuit (40).

Abstract: As discussed herein, a first aspect of the present invention provides a high-efficiency heat pump that includes a frame, as well as a first circuit, a first compressor, a condenser heat exchanger, a first electronic expansion valve, an evaporator heat exchanger, and a controller. The first circuit, the first compressor, the condenser heat exchanger, the first electronic expansion valve, and the evaporator heat exchanger can be supported by the frame. The first compressor, the condenser heat exchanger, the first electronic expansion valve, and the evaporator heat exchanger can be connected to the first circuit. The controller can be in electronic communication with the first electronic expansion valve, and the controller can be configured to control operation of the first electronic expansion valve and/or the second electronic expansion valve.

Abstract: A refrigerant vapor compression system includes a first compression device, a refrigerant heat rejection heat exchanger, an expansion device, a refrigerant heat absorption heat exchanger, a second compression device, and a refrigerant-to-refrigerant heat exchanger having first refrigerant flow pass, a second refrigerant flow pass and a third refrigerant flow pass, with the second refrigerant flow pass disposed in heat exchange relationship with each of the first refrigerant flow pass and the third refrigerant flow pass. The second refrigerant flow pass is interdisposed in an economizer circuit.

Abstract: A self-contained water generation system is disclosed. The present system allows for the generation of water using only wind power and standard air conditioning components. A wind turbine drives, directly or indirectly, a compressor that compresses refrigerant and provides the refrigerant to a condenser and evaporator. During the evaporation of the refrigerant, water is condensed and collected for use. The components of the water generation system may be configured in a housing and movably mounted atop a column so that the housing can rotate about the column, allowing the wind turbine maximize the use of wind forces.

Abstract: A refrigerator includes a refrigerator cabinet, a fresh food compartment disposed within the cabinet, a freezer compartment disposed within the cabinet, an ice compartment disposed within the cabinet, and an electronic control system associated with the refrigerator and adapted to monitor and control the fresh food compartment, the freezer compartment and the ice compartment. The control system provides for energy efficient control and operation through various means, including by monitoring state of an ice maker associated with the ice compartment and controlling temperature within compartments of the refrigerator based on the ice maker state. A damper controls air flow between the fresh food and freezer compartments. The control system can direct heat to the damper if the damper becomes frozen.

Abstract: A transportable dehumidifier system is provided that employs a thermal expansion valve to control the flow of refrigerant therethrough.

Abstract: The present invention relates to an aircraft cooling system evaporator arrangement (10) with an evaporation device (20) for exchanging heat between a refrigerant and a coolant, the evaporation device (20) including at least four evaporators (24a, 24b, 24c, 24d) which are hydraulically separate from one another with respect to flow of coolant. The evaporator arrangement (10) further includes at least one feed line (26) for supplying refrigerant to the evaporation device (20). The evaporators (24a, 24b, 24c, 24d) are arranged in such a way that the evaporators (24a, 24b, 24c, 24d) are flowed through pairwise in parallel by refrigerant supplied to the evaporator by the feed line (26). Moreover, two mutually independent circuits (16, 17) for a coolant are provided, each coolant circuit including at least two supply lines (34a, 34c; 36b, 36d) arranged to be hydraulically separate from one another for supplying coolant to, in each instance, one of the evaporators (24a, 24b, 24c, 24d).

Abstract: The invention relates to a refrigerating device (10), in particular for an aircraft, having a refrigerant circuit, in which a refrigerant container (12), an expansion valve (14), an evaporator (16), a compressor (20) and a condenser (22) are disposed. To save energy during operation and to increase the reliability and availability of the refrigerating device (10), in the refrigerant circuit there is a compressor bypass line (26), in which a bypass valve (18) is disposed, and a refrigerant pump (30) that is disposed downstream of the condenser (22) and upstream of the evaporator (16). It is possible to dispense with the refrigerant pump (30) if the condenser (22) is disposed at a higher level than the evaporator (16) in the refrigerant circuit.

Abstract: A beverage cooling apparatus includes a cooling module, a liquid tank, and a control unit. The cooling module comprises a compressor, a condenser, a flow controller, an evaporator and a plurality of circulating pipes. The compressor, the condenser, the flow controller and the evaporator are serially connected via each circulating pipe to form a closed circle for providing a conductive medium to circulate in the closed circle. The condenser has a fan. The liquid tank has a lateral wall. The evaporator is arranged adjacent to the lateral wall of the liquid tank, wherein a temperature sensor is arranged within the liquid tank. The control unit is electronically connected with the fan of the condenser and the temperature sensor respectively, wherein the control unit controls the fan to start/stop and further controls the rotational speed of the fan. Therefore, the compressor has long operation life because the compressor is not frequently start and stop.

Abstract: A refrigeration cycle apparatus (100) includes an expander-compressor unit (1) including a first compression mechanism (11) and an expansion mechanism (13), and a sub compressor (2) including a second compression mechanism (21). The first compression mechanism (11) is connected in parallel with the second compression mechanism (21) in a refrigerant circuit (30). The refrigeration cycle apparatus (100) further includes a bypass passage (6) bypassing the expansion mechanism (13). A first flow control valve (61), a gas-liquid separator (62) and a second flow control valve (63) are provided sequentially to the bypass passage (6) from an upstream side. An injection passage (7) guides a gas refrigerant separated from a liquid refrigerant in the gas-liquid separator (62) to the second compression mechanism (21).

Abstract: An evaporator (168) in a vapor compression system (14) (168) includes a shell (76), a first tube bundle (78); a hood (86); a distributor (80); a first supply line (142); a second supply line (144); a valve (122) positioned in the second supply line (144); and a sensor (150). The distributor (80) is positioned above the first tube bundle (78). The hood (88) covers the first tube bundle (78). The first supply line (142) is connected to the distributor (80) and an end of the second supply line (144) is positioned near the hood (88). The sensor (150) is configured and positioned to sense a level of liquid refrigerant (82) in the shell. The valve (122) regulates flow in the second supply line in response to the level of liquid refrigerant (82) from the sensor (150).

Abstract: A refrigerating apparatus for keeping an inside of a storage at a predetermined low-temperature state includes first and second refrigerant circuits including compressors, condensers, decompressors, and evaporators, connected circularly with pipings to form refrigerating cycles, the circuit having a first or second refrigerant sealed therein as a working refrigerant, a first sensor which detects a temperature of a cascade condenser constituted by integrating the evaporator of the first refrigerant circuit and the condenser of the second refrigerant circuit in a heat exchangeable manner, first and second controllers which control operation performances of the first and second compressors in a variable manner based on first and second sensor detected temperatures in order that the first and second sensor detected temperatures are first and second temperatures, respectively, and a second sensor which detects a temperature inside the storage.

Abstract: A cooling circuit for removing waste heat from a cooling device of an electromechanical converter is provided. The cooling circuit includes a chilling medium, a cooler for extracting heat from the chilling medium, a return connecting the cooling device of the converter to the cooler and conducts warm chilling medium, a feed connecting the cooler to the cooling device of the converter and conducts cool chilling medium, and an absorption chiller for extracting heat from the chilling medium. The absorption chiller is driven by the heat of the warm chilling medium that is in the return.

Abstract: The invention relates to a plant for producing sanitary hot water, that comprises a water heater including a tank (1) containing a fluid to be heated, and a controlled mechanical ventilation system (2) for extracting air from a dwelling, the controlled mechanical ventilation system (2) being coupled to a thermodynamic circuit (3) in which flows a coolant fluid, the thermodynamic circuit (3) including an evaporator (4) for exchanging heat with the extracted air, a compressor (6), an expander (8) and a condenser (7) for exchanging heat with the fluid contained in the tank (1). The ventilation system is equipped with a means for adjusting the flow of extracted air, e.g. based on hygrometry. The compressor (6) is a variable speed compressor capable of modifying the flow of the coolant fluid.

Abstract: An in-door fluid drainage system for a refrigerator is disclosed. The drain fluid transfer system is described as extending from the door of a refrigerator to the lower compartment for transfer of drain fluid from the door to a drain fluid removal system. Also described is a drain fluid transfer system which comprises one or both of a transfer tube at least partially enclosed in a hinge assembly, and a valve assembly positioned at the lower portion of the door.

Abstract: The tubular conduit system of this invention allows modules requiring utilities to be positioned at any desired location within a cabinet, such as a refrigerator. The conduit is mounted to the cabinet of a refrigerator/freezer or the doors thereof and includes at least one electrical conductor positioned between the outer and inner walls and at least one fluid conduit within the inner wall. The conduit can be made of joined sections using connectors to also couple a module to the conduit such that modules can be installed at consumer selected locations prior to delivery of the refrigerator/freezer to the consumer.

Abstract: Disclosed herein is a refrigerator. The refrigerator includes a refrigerator body having at least one storage chamber, a door to open and close the storage chamber, a water dispenser provided in the door, and a water purification unit to purify water to be supplied to the water dispenser. The water purification unit includes a housing having an inlet port and an outlet port, a transparent tube provided in the housing, a germicidal lamp provided in the transparent tube to emit ultraviolet rays, and a flow channel defining member provided between the housing and the transparent tube. The flow channel defining member includes a plurality of partitions perpendicular to an outer circumference of the transparent tube. Each of the partitions has at least one communication hole.

Abstract: The present invention relates to a refrigerator and a handle thereof. The handle of the refrigerator includes a supporter; a decoration member installed at the supporter; a cover member covering the decoration member and is provided with a transmissive part through which light is passed; and a light-emitting unit which emits light, wherein at least some of the light emitted from the light-emitting unit passes through the transmissive part.