| Class / Patent application number | Description | Number of patent applications / Date published |
| 062430000 | INTERMEDIATE FLUID CONTAINER TRANSFERRING HEAT TO HEAT ABSORBER OR HOLDOVER | 39 |
| 20090314027 | REFRIGERATOR - A refrigerator with a cooled inner chamber and a cooling circuit for a refrigerant, wherein the cooling circuit has a heat exchanger in the cooled inner chamber, a compressor for the refrigerant and a condenser on the outside of the refrigerator. According to the invention, a heat-storage material is in contact with the condenser. | 12-24-2009 |
| 20130125577 | BRAZING METHOD FOR A COMPONENT OF AN AIR CONDITIONING CIRCUIT COMPRISING A FLUID REFRIGERANT RECEIVER, AND SUCH A RECEIVER - The present invention relates to a brazing method for a component ( | 05-23-2013 |
| 20110296865 | SOLAR PHOTOVOLTAIC -COMMERCIAL ELECTRICITY DUALLY DRIVEN HEAT PUMP SYSTEM WITH COLD/HEAT STORAGE - A hybrid-driven cold/heat storage type heat pump unit utilizing a solar photovoltaic power and a commercial power, which has a DC compressor ( | 12-08-2011 |
| 20110219806 | REFRIGERATION APPLIANCE COMPRISING A PLURALITY OF SHELVES - A refrigeration appliance includes at least two compartments designed for different storage temperatures to define a first compartment and a second compartment, with the storage temperature of the first compartment exceeding the storage temperature of the second compartment. A refrigerant circuit has a first branch which is routed via an evaporator of the first compartment and a second branch which is routed via an evaporator of the second compartment. The evaporator of the second compartment includes a first refrigerant conduit which is connected upstream of the evaporator of the first compartment in the first branch, and a second refrigerant conduit which is associated with the second branch. | 09-15-2011 |
| 20090260389 | CO2 REFRIGERATION UNIT - A refrigeration unit comprises a CO | 10-22-2009 |
| 20120103005 | SCREW CHILLER ECONOMIZER SYSTEM - Screw chillers have economizer systems that include a low pressure economizer and a high pressure economizer. According to certain embodiments, the low pressure economizer includes a flash tank, an expansion device and a flow control valve while the high pressure economizer includes a heat exchanger and an expansion device. The screw chillers also include a screw compressor that compresses refrigerant. The screw compressor includes a low pressure economizer port designed to receive lower pressure refrigerant from the flash tank within the low pressure economizer and a high pressure economizer port designed to receive higher pressure refrigerant from the heat exchanger within the higher pressure economizer. The screw compressor is designed to compress the refrigerant received from the evaporator, the refrigerant received through the low pressure economizer port, and the refrigerant received through the high pressure economizer port and to discharge the refrigerant through a common discharge. | 05-03-2012 |
| 20100257890 | THERMAL STORAGE UNIT AND VEHICLE AIR CONDITIONER - A thermal storage unit includes a thermal storage, a heat exchange path, a housing and a reservoir. The thermal storage is filled with a thermal storage medium. A heat exchange medium flows through the heat exchange path. The housing surrounds and thermally insulates the thermal storage from the outside. The housing has an inlet port and an outlet port for communicating with the heat exchange path and a conduit which is located outside the housing and connected to the inlet port and the outlet port. The reservoir is located in the housing for reserving the heat exchange medium. When the thermal storage unit is not in use, the reservoir collects the heat exchange medium flowing by weight thereof through the inlet port and the outlet port, thereby allowing air to be present at the inlet port and the outlet port. | 10-14-2010 |
| 20110072845 | REFRIGERANT INJECTION DEVICE FOR REFRIGERANT DESTRUCTION FACILITY - Featured is a refrigerant injection device which is particularly suitable for use in a refrigerant destruction facility using an incinerator. Such an injection device includes a storage device which stores the refrigerant and a decompressor fluidly coupled to the storage device. The injection device further includes two flow meters and a cutoff-valve that are fluidly coupled to the decompressor. The cutoff valve is configured to cut off the injection of refrigerant. The injection device further includes bypass flow members that are fluidly coupled to the two flow meters. The bypass flow members and flow meters are configured and arranged to selectively measure the flow rate and to perform flow meter calibration without stopping the feeding of refrigerant to the injection device. | 03-31-2011 |
| 20090038334 | Refrigerator Unit and/or a Freezer Unit - The present invention relates to a refrigerator unit and/or a freezer unit comprising a cooling tank as well as an evaporator which is accommodated in an evaporator accommodation space in the cooling tank. In accordance with the invention, the refrigerator unit and/or freezer unit is characterized in that the evaporator has a multi-sided jacket of a soft, resilient and/or yielding padding material. | 02-12-2009 |
| 20100212350 | Medium- and Low-Temperature Integrated Refrigerating/Freezing System - A medium- and low-temperature integrated refrigerating/freezing system ( | 08-26-2010 |
| 20100031693 | REFRIDGERATING MACHINE - A refrigerating machine including: a cooling stage that cools a target object; a He condensation section onto which said object is mounted; a reservoir that communicates with said He condensation section, and is filled with He gas; and a heat transfer buffer member that is arranged between said cooling stage and said He condensation section, and is composed of a material having a thermal conductivity lower than that of said He condensation section. | 02-11-2010 |
| 20120151957 | ACCUMULATOR FOR REFRIGERATION CYCLE SYSTEM - An accumulator including a liquid accumulating chamber for accumulating refrigerant, a refrigerant inlet port leading the refrigerant, a refrigerant outlet pipe, an oil return opening, a refrigerant flow generating structure and a refrigerant flow mixing structure. The refrigerant outlet pipe includes an upstream open end exposed to an upper part of the liquid accumulating chamber to discharge the refrigerant from the chamber to outside the chamber. The oil return opening is in the refrigerant outlet pipe to return oil contained in the lower part of the liquid accumulating chamber to a compressor of the refrigeration cycle system. The refrigerant flow generating structure provides refrigerant from the refrigerant inlet port with a given flow, the given flow being produced by a drive force possessed by the refrigerant. The refrigerant flow mixing structure provides the given flow with an upward-and-downward movement to mix the refrigerant. | 06-21-2012 |
| 20120167614 | REFRIGERANT COMPENSATOR - One aspect of this disclosure provides a refrigerant charge compensator having an increased heat transfer surface. The housing has an internal volume and first and second ports for allowing a passage of refrigerant therethrough. The internal volume is partitioned into an indirect refrigerant passageway that extends through the housing and a refrigerant storage area. The refrigerant storage area has a storage access port and is in contact with the indirect refrigerant passageway. Also a heat pump system implementing the compensator is provided and a method of manufacturing the compensator is provided. | 07-05-2012 |
| 20120210744 | Refrigerant distributor - A refrigerant distributor is described and which includes a tank defining an internal cavity for receiving a source of refrigerant; an inlet conduit for delivering the source of the refrigerant to the internal cavity of the tank; a contaminant collection container coupled in fluid receiving relation relative to the internal cavity of the tank and in disposal fluid receiving relation relative to the inlet conduit; and a plurality of refrigerant distributor conduits coupled in fluid flowing relation relative to the internal cavity of the tank and which have a multiplicity of apertures having variable diametral dimensions and which facilitate a variable flow of the source of refrigerant out through the refrigerant distributor conduits as the volume of the refrigerant in the tank increases. | 08-23-2012 |
| 20110146332 | Accumulator of air conditioner - The present invention provides an accumulator of an air conditioner, in which a coolant outlet pipe is a dual pipe with an internal pipe and an external pipe, a return cap is combined to the lower end of the dual pipe, and a gas coolant flows from the upper portion inside a tank through a gas coolant inlet between the internal pipe and the external pipe, turns into the internal pipe at the return cap, and then continues flowing through the gas coolant outlet to an outer pipe. Therefore, the accumulator can be manufactured from a small tank, so that it can be easily mounted in a small space with high liquid-vapor separating performance and pressure resistance. | 06-23-2011 |
| 062434000 | Flow line connected transfer fluid supply and heat exchanger | 22 |
| 20100043483 | THERMAL STORAGE UNIT FOR AIR CONDITIONING APPLICATIONS - Disclosed is a demand shifting thermal storage system employing a heat transfer/thermal energy storage vessel to produce and hold a phase change fluid using an air cooled/water cooled/ground coupled or evaporative condensing unit to generate the cold fluid with a separate and dependent circuit coupled to the indoor cooling load to remove heat from the HVAC or process cooling load using one or multiple indoor coils to absorb heat returning the heat to the thermal energy storage vessel to reject the space heat, cool the space and continue the cycle. | 02-25-2010 |
| 20090158768 | TEMPERATURE CONTROLLED DEVICES - A temperature controlled surface in a refrigerator that includes a heat exchanger configured to have the cooling medium flow therethrough to be cooled in thermal communication with a freezer compartment of the refrigerator. A second heat exchanger disposed downstream of the first heat exchanger and configured to have the cooling medium flow therethrough to cool the temperature controlled surface. A pump configured to flow the cooling medium through the first and second heat exchangers. A first heat exchanger is disposed downstream of the storage tank and is configured to have the cooling medium flow therethrough to be cooled. A second heat exchanger is disposed downstream of the first heat exchanger and is configured to have the cooling medium flow therethrough to cool the air and any contents within the temperature controlled compartment. | 06-25-2009 |
| 20120216562 | UNITARY HEAT PUMP AIR CONDITIONER HAVING A HEAT EXCHANGER WITH AN INTEGRAL ACCUMULATOR - The disclosure relates to a unitary heat pump air conditioner (Unitary HPAC) having a plate type exchanger assembly, an electrically driven compressor, and coolant pumps. The plate heat exchanger assembly includes a plurality of plates stacked and hermetically sealed between an upstream end plate and a downstream end plate. The stacked plates define a condenser/chiller portion adjacent the upstream end plate, an accumulator portion adjacent the downstream end plate, and an evaporator/chiller portion sandwiched between the condenser/chiller portion and the accumulator portion. A refrigerant passageway extends through the plate type heat exchanger assembly, a hot coolant passageway extends through the condenser/chiller portion, and a cold coolant passageway extends through the evaporator/chiller portion. The cold coolant passageway and the hot coolant passageway are in non-contact thermal communication with the refrigerant passageway. | 08-30-2012 |
| 20120234036 | ECONOMIZED VAPOR COMPRESSION CIRCUIT - An economized vapor compression circuit is disclosed. An evaporator, compressor, condenser and economizer are fluidly connected by a refrigerant line containing refrigerant. A portion of the liquid refrigerant leaving the economizer is diverted away from the evaporator to sub-cool liquid refrigerant at a location between the condenser and the evaporator. | 09-20-2012 |
| 20100170286 | REFRIGERATOR FOR FRESH PRODUCTS WITH TEMPERATURE LEVELING MEANS - A refrigerator for fresh and frozen products with passive elements for temperature leveling without ventilation and for maintaining the relative humidity above 90% even in the absence of a connection to the electrical mains, by using the energy supplied by the melting enthalpy of the thermal mass, frozen beforehand by circulating refrigeration fluid at low temperature within a heat accumulator, which allows to absorb the heat that passes through the walls and the heat dissipated by the products, the refrigerator comprising a body which defines internally at least one compartment which is delimited by thermally insulating walls, at least 50% of the inner surface of the compartment being constituted by the surface of a heat accumulator containing a eutectic liquid, with a phase change temperature which is proximate to the temperature to be maintained within the compartment, an evaporation circuit associated with a compressor being connected to the heat accumulator. | 07-08-2010 |
| 20090120124 | Thermal Energy Transfer Unit and Method - A thermal energy transfer unit is provided for conventional Freon air conditioning. One or several thermal energy transfer units are operatively interconnected to one or several conventional air condition systems and share a common energy storage tank. Each thermal energy transfer unit converts energy from the compressor and condensing coil of the conventional air conditioner and stores it in the common energy storage tank when electricity is in low demand. Each thermal energy transfer unit retrieves stored energy from the common storage tank and provides air conditioning without the use of the compressor when electricity is in high demand. Each thermal energy transfer unit can be disabled to allow the air conditioning unit to perform as if they and the energy storage tank were not connected. One or all of the units can be disabled without affecting the performance or purpose of the others. | 05-14-2009 |
| 20120090348 | COOLING SYSTEMS WITH DEAERATION RESERVOIRS - A coolant reservoir includes a body portion defining an interior cavity configured to hold a coolant; and a barrier wall positioned within the body portion to partition the interior cavity into an upper chamber and a lower chamber, the barrier wall defining an opening therethrough that allows fluid communication between the lower chamber and the upper chamber. | 04-19-2012 |
| 20100126209 | COLD PLATE AND REFRIGERATION SYSTEM - A cold plate including a cold wall, a first cavity, a first pipe, a second cavity, an expansion unit and a second pipe is provided. The first cavity covers on the cold wall to form a first fluid space, and the first pipe is connected with the first cavity. The second cavity is disposed inside the first cavity and covers on the cold wall to form a second fluid space. The expansion unit is disposed between the second cavity and the cold wall to interconnect the first fluid space and the second fluid space. The second pipe is disposed inside the first pipe and connected with the second cavity. Besides, a refrigeration system including the cold plate mentioned above is also provided. | 05-27-2010 |
| 20100199707 | REFRIGERATION SYSTEM - A refrigerating system comprises a compressor ( | 08-12-2010 |
| 20100037647 | REFRIGERATION DEVICE - A refrigeration device includes a compression mechanism, a radiator, a first expansion mechanism ( | 02-18-2010 |
| 20110048058 | THERMAL ENERGY STORAGE AND COOLING SYSTEM WITH ENHANCED HEAT EXCHANGE CAPABILITY - Disclosed is a method and device to increase the cooling load that can be provided by a refrigerant-based thermal energy storage and cooling system with an improved arrangement of heat exchangers. This load increase is accomplished by circulating cold water surrounding a block of ice, used as the thermal energy storage medium, through a secondary heat exchanger where it condenses refrigerant vapor returning from a load. The refrigerant is then circulated through a primary heat exchanger within the block of ice where it is further cooled and condensed. This system is known as an internal/external melt system because the thermal energy, stored in the form of ice, is melted internally by a primary heat exchanger and externally by circulating cold water from the periphery of the block through a secondary heat exchanger. | 03-03-2011 |
| 20110011119 | HIGH EFFICIENCY REFRIGERATOR - A thermal storage container is coupled to a pump for circulating cooled liquid from the thermal storage container in at least one of two circuits. One circuit includes a heat exchanger coupled to the fresh food evaporator for assisting in cooling the fresh food section of the refrigerator or for chilling the liquid. Another circuit includes a sub-cooler between the compressor and condenser for cooling the hot gas output from the compressor before entering the condenser, thereby increasing the efficiency of the system. A three-way valve is coupled from the output pump to couple the stored coolant selectively to one or the other or both of the coolant circuits. | 01-20-2011 |
| 20100251750 | ECONOMIZED REFRIGERANT SYSTEM WITH FLOW CONTROL - A refrigerant vapor compression system has a primary refrigerant circuit including a compression device, a refrigerant heat rejection heat exchanger and a refrigerant heat absorption heat exchanger, and an economizer circuit including an economizer refrigerant line. A bypass flow control device controls refrigerant vapor flow through a bypass line extending between the economizer refrigerant line and a suction pressure portion of the primary refrigerant circuit. A flow control apparatus operatively associated with the economizer refrigerant line provides different flow resistance to refrigerant flow through the economizer refrigerant line in a first direction from an intermediate stage of the compression device to the suction portion of the primary refrigerant circuit and in a second direction from the economizer into an intermediate pressure stage of the compression device. | 10-07-2010 |
| 20110209494 | Direct expansion ammonia refrigeration system and a method of direct expansion ammonia refrigeration - A direct expansion ammonia refrigeration system and a method of direct expansion ammonia refrigeration is described and which includes a source of liquid ammonia refrigerant which is delivered in fluid flowing relation to a plurality of evaporator tubes which incorporate wicking structures, and which through capillary action facilitated by the wicking structures are effective for drawing liquid ammonia refrigerant along the inside facing surface of the evaporator tubes so as to substantially reduce any stratified and/or wavy flow patterns of the liquid ammonia refrigerant within the evaporator tubes. The invention further includes a novel accumulator vessel and heat exchanger vessel which are coupled in fluid flowing relation relative to the direct expansion ammonia refrigeration system and which facilitate the removal of water from the ammonia refrigerant in order to enhance the operation of the direct expansion ammonia refrigeration system. | 09-01-2011 |
| 20080196442 | AIRCRAFT GALLEY REFRIGERATION SYSTEM WITH MULTI-CIRCUIT HEAT EXCHANGER - An aircraft galley refrigeration system is provided which, in one embodiment, includes: first and second galleys; a first chiller for providing a first heat transfer fluid to the first galley; a second chiller for providing a second heat transfer fluid to the second galley; and a heat exchanger including a first circuit and a second circuit, the first circuit connecting the first galley with the first chiller, and the second circuit connecting the second galley with the second chiller. In another embodiment, the system includes a first cooling subsystem with a first heat transfer fluid, a second cooling subsystem with a second heat transfer fluid, and a heat exchanger that thermally couples the first and second cooling subsystems for distributing heat between the first and second heat transfer fluids. | 08-21-2008 |
| 20110107787 | Vertically Arranged Heat Pump and Method of Manufacturing the Vertically Arranged Heat Pump - In a heat pump with an evaporator and a liquefier as well as a gas region extending between the evaporator and the liquefier, the liquefier is arranged above the evaporator in a setup direction for operation of the heat pump. | 05-12-2011 |
| 20100115984 | DUAL-CIRCUIT SERIES COUNTERFLOW CHILLER WITH INTERMEDIATE WATERBOX - A dual refrigeration circuit watercooled chiller has its respective evaporators and condensers interconnected by waterboxes such that the first circuit tubes discharge into the respective waterbox and the flow of water then passes from the respective waterboxes to the respective evaporator/condenser tubes of the second circuit. Instrumentation is attached to the waterboxes to enable the measurement of the leaving temperature differential to provide improved control. Since the first and second circuit tubes are separate and independent, both serviceability and flexibility in design are substantially enhanced. | 05-13-2010 |
| 20110185763 | OUTDOOR UNIT OF AIR CONDITIONER - An outdoor unit of an air conditioner is provided in which the refrigerant heating apparatus can be stably mounted and ease of assembly can be improved. The outdoor unit ( | 08-04-2011 |
| 20110314863 | REFRIGERANT VAPOR COMPRESSION SYSTEM WITH DUAL ECONOMIZER CIRCUITS - A refrigerant vapor compression system includes a flash tank economizer and a refrigerant-to-refrigerant heat exchanger economizer disposed in series refrigerant flow relationship in the refrigerant circuit intermediate a refrigerant heat rejection heat exchanger and a refrigerant heat absorption heat exchanger. A primary expansion valve disposed in the refrigerant circuit in operative association with and upstream of the refrigerant heat absorption heat exchanger and an economizer expansion valve disposed in the refrigerant circuit in operative association and upstream of the flash tank economizer provide a two-step expansion process for expanding refrigerant passing through the refrigerant circuit from the refrigerant heat rejection heat exchanger to the refrigerant heat absorption heat exchanger. | 12-29-2011 |
| 20120006048 | COMPRESSOR WITH VAPOR INJECTION SYSTEM - A heat pump system is provided and may include a compressor, a first heat exchanger in fluid communication with the compressor, a second heat exchanger in fluid communication with the first heat exchanger and the compressor, and a flash tank fluidly coupled to the first heat exchanger and the second heat exchanger. A first conduit may extend between the first heat exchanger and the second heat exchanger. A valve associated with the first conduit may operate in an open state to permit flow along the first conduit between the first heat exchanger and the second heat exchanger to at least partially bypass the flash tank and may operate in a closed state to prevent flow along the first conduit between the first heat exchanger and the second heat exchanger to direct flow into the flash tank. | 01-12-2012 |
| 20120131946 | COOLING SYSTEM FOR AN ENGINE AND METHOD OF PROVIDING A COOLING SYSTEM FOR AN ENGINE - A cooling system for an engine includes a coolant tank, a heat exchanger, and a drain valve. The coolant tank holds a fluid coolant and is coupled with a tank conduit through which the coolant flows from or to the coolant tank. The heat exchanger is fluidly coupled with a supply conduit. The drain valve is fluidly coupled with the coolant tank by the tank conduit and with the supply conduit. The drain valve is fluidly coupled with a drain conduit that directs the coolant out of the cooling system and alternates between a closed position and an open position. The drain valve prevents the coolant from flowing out of the cooling system through the drain conduit when in the closed position and permits the coolant to flow from the heat exchanger and out of the cooling system through the drain conduit when in the open position. | 05-31-2012 |
| 20100186440 | THERMAL STORAGE FOR CO2 SYSTEM - A climate control system may include a cooling system having a compressor in fluid communication with a condenser and a evaporator and circulating a first fluid therebetween; a first heat exchanger in fluid communication with the cooling system and operable to remove heat from a second fluid; a reservoir in fluid communication with the first heat exchanger and adapted to receive the second fluid; a pump in fluid communication with the first heat exchanger and the reservoir and circulating the second fluid therebetween; a second heat exchanger in selective fluid communication with the first heat exchanger, the reservoir and the pump; and a valve movable between a first position allowing fluid communication between the reservoir and the second heat exchanger and a second position preventing fluid communication between the reservoir and the second heat exchanger, wherein heat is absorbed by the second fluid flowing through the second heat exchanger. | 07-29-2010 |
| 062435000 | With indirect fluid pump or agitator | 1 |
| 20100043484 | Method and apparatus for controlling agitation of a cooling fluid bath for a drink dispenser - A drink dispenser includes a housing defining a chamber that contains a cooling fluid therein. A refrigeration unit is disposed within the housing. The refrigeration unit includes an evaporator coil extending into the cooling fluid such that a frozen cooling fluid bank forms about the evaporator coil. An agitator is disposed within the housing. The agitator extends into the cooling fluid for circulating the cooling fluid about the frozen cooling fluid bank. Dispensing valves mounted onto the housing dispense drinks from the drink dispenser. An electronic control system is disposed within the housing. The electronic control system is coupled with the agitator such that the electronic control system cycles the agitator between an agitator on period and an agitator off period. Cycling the agitator between an agitator on period and an agitator off period promotes stable growth of the frozen cooling fluid bank. | 02-25-2010 |
| 062438000 | Forming cooled storage compartment | 1 |
| 20090145163 | Methods of manufacturing temperature-stabilized storage containers - Methods disclosed herein include methods of manufacturing integrally thermally-sealed storage containers. Methods include creating at least one indentation in at least one layer of first thermal barrier sheet, wherein the at least one layer of first thermal barrier sheet includes at least one first ultra efficient insulation material and wherein the at least one indentation is in a size and shape substantially conforming with material to be stored; placing material to be stored within one or more of the at least one indentation; placing at least one layer of second thermal barrier sheet adjacent to the material to be stored, wherein the at least one layer of second thermal barrier sheet includes at least one second ultra efficient insulation material; and creating a thermal seal between at least two layers of thermal barrier sheet, substantially thermally sealing the material to be stored. | 06-11-2009 |