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062 - Refrigeration

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Class / Patent application numberDescriptionNumber of patent applications / Date published
062115000 Compressing, condensing and evaporating 254
062089000 Circulating external gas 198
062066000 Congealing flowable material, e.g., ice making 159
062062000 Treating an article 132
062077000 Assembling, charging, or repairing of refrigeration producer 106
062080000 Defrosting or frost inhibiting 99
062079000 Exchanging heat between plural systems, e.g., disparate 94
062101000 Evaporation induced by sorption 56
062532000 Fractionally solidifying a constituent and separating the same 36
062113000 Transferring heat between diverse function portions of refrigeration cycle 29
062119000 Condensing and evaporating 28
062084000 Lubricant handling 25
062121000 Gas and liquid contact 23
062078000 Deodorizing, antisepticizing or providing special atmosphere 20
062114000 Employing diverse materials or particular material in refrigeration circuit 17
062086000 Reducing pressure on compressed gas 17
062118000 Pumping fluid in closed circuit 17
062061000 Utilizing motion of vehicle 13
062085000 Separating or preventing formation of undesirables 12
062098000 Fluid external of refrigeration producing cycle 7
062060000 Packaging 4
20110185749SYSTEM AND METHOD FOR DISTRIBUTING AND STACKING BAGS OF ICE - A system and method according to which ice is automatically disposed in respective bags and the bags of ice are distributed and stacked within a temperature-controlled storage unit, such as an ice merchandiser.08-04-2011
20090019864Method and device for ensuring maintained temperature inside a transport container or the like - A method and a device for better utilising latent cold in a cold producing material used for producing and upholding a pre-determined temperature inside a transport container or the like, where dry ice or a similar first phase change material having very low sublimation temperature is utilised. Inside the transport container is arranged a receptacle for such low sublimation temperature phase converting material, the said receptacle being provided with an enclosure having cavities for a second phase change material having a considerably higher melting point, the said cavities of the receptacle at least partially enclosing the inside of the receptacle, in which the converting material having the essentially lower melting point is received.01-22-2009
20100170269Dry ice dispenser - The present inventions provides a container for dry ice, an entrance for the dry ice and a permeable surface wherein for the duration of vaporization the permeable surface provides an exit for vapor created by the dry ice inside the container and prevents the dry ice from exiting the container. In a preferred aspect of the present invention, the entrance is configured to open and securely close. In another preferred aspect of the present invention, the container further comprises a patch to close the entrance.07-08-2010
20080245078Tray-based continuous throughput blast freezer - A high capacity, continuous production blast freezer includes an insulated enclosure, a refrigeration system supplying cold air to the enclosure and a plurality of trays containing comestibles to be frozen. A tray advancement or pusher mechanism advances a first tray into the enclosure and then advances a second tray into the enclosure, pushing the first tray further into the enclosure. Gradually a first level of the enclosure is filled with trays. An elevator mechanism at both ends of the enclosure allows the trays reaching the end of the enclosure to advance to a second level, and the tray advancement mechanism advances the tray out of the elevator onto the second level. Eventually, as additional trays are pushed into the enclosure, the second level and then optionally further levels of the enclosure are filled with trays. After the enclosure is completely filled with trays, for every tray entering the enclosure a tray exits carrying frozen comestibles, resulting in continuous production of frozen comestibles. The trays travel back and forth through the insulated enclosure on a passive tray guide in the form of rails, rollers or other device, preferably without requiring a conveyor or other active electro-mechanical tray transport system inside the enclosure.10-09-2008
062059000 Accumulating holdover ice in situ 3
20090038320Ice storage constant temperature air conditioning system having divided refrigerant - An ice storage constant temperature air conditioning system having divided refrigerant has a refrigerant divider to divide refrigerant flow into two ducts. The first duct is connected to an evaporator to absorb a great amount of latent heat to generate refrigeration. The refrigerant flows to an ice storage refrigerant loop of an ice storage tank to store ice. The second duct directly sends the refrigerant to the ice storage refrigerant loop to store the ice. Hence the refrigerant can be fully used or used in a divided fashion. A condensate collection tray is provided below the evaporator to recycle heat of low temperature condensate during operation of air conditioning to automatically replenish the chill water of the ice storage tank. The refrigerant at the condensate outlet is cooled during ice storing or ice melting period to become a subcooling liquid refrigerant to enhance refrigeration effect.02-12-2009
20110079025THERMAL STORAGE DEVICE WITH ICE THICKNESS DETECTION AND CONTROL METHODS - A thermal storage device for generating a thermal storage medium from a fluid and including a storage tank for containing the fluid, a refrigeration system having a heat exchanger positioned in the storage tank, a pump for pumping the fluid through the storage tank, a storage medium detection device, and a controller. The storage medium detection device generates a signal corresponding to at least one parameter of the pump. The controller controls the refrigeration system in one of a first mode and a second mode based on the signal. The at least one heat exchanger removes heat from the fluid to generate the thermal storage medium thereon when the refrigeration system operates in the first mode, and the at least one heat exchanger does not remove heat from the fluid thereby terminating generation of the thermal storage medium when the refrigeration system operates in the second mode.04-07-2011
20090293507THERMAL ENERGY STORAGE AND COOLING SYSTEM WITH ISOLATED EVAPORATOR COIL - Disclosed is a method and device for a refrigerant-based thermal energy storage and cooling system with an isolated evaporator coil in a secondary cooling loop. The disclosed embodiments provide a refrigerant-based ice storage system with increased versatility, reliability, lower cost components, reduced power consumption and ease of installation.12-03-2009
062122000 Combining fluids having diverse temperatures 1
20100024451Refrigeration Hot Gas Desuperheater Systems - A system for desuperheating hot gaseous refrigerant using both a heat exchanger and a dispersed Venturi-driven injection of liquid refrigerant is disclosed. Further, a system, relating to cooling at least one compressed superheated refrigerant fluid prior to condensing, relating to extending the life of at least one condenser is disclosed.02-04-2010
062120000 Spaced cooling steps 1
20120174605LIQUID-COOLED HEAT EXCHANGER IN A VAPOR COMPRESSION REFRIGERATION SYSTEM - A refrigerant vapor compression system includes a compressor having a suction port and a discharge port, an air-cooled heat exchanger operatively coupled to the discharge port, a liquid-cooled heat exchanger operatively coupled to the air-cooled heat exchanger, a coolant pump operatively coupled to a liquid coolant inlet conduit of the liquid-cooled heat exchanger, an evaporator heat exchanger unit operatively coupled to the liquid-cooled heat exchanger and the suction port, a coolant pump operatively coupled to the liquid coolant inlet conduit for pumping a liquid coolant, and a controller operatively associated with the liquid coolant inlet conduit for controlling the flow of liquid coolant into the liquid-cooled heat exchanger. In one embodiment, the liquid-cooled heat exchanger comprises a low-profile enclosure defining an interior volume. The enclosure has a liquid coolant inlet port and a liquid coolant discharge port fluidly coupled to the interior volume, and a continuous refrigerant tube sealingly disposed within the enclosure. The refrigerant tube is fluidly isolated from and in heat exchange relationship with the interior volume in which the liquid coolant flows.07-12-2012
062100000 Vacuumizing an open outlet chamber 1
20130055737Power Plant Cooling System And A Method For Its Operation - The invention is a power plant cooling system comprising a direct contact condenser (03-07-2013
Entries
DocumentTitleDate
20100024441Dry ice vaporizing device and method - A dry ice vaporizing device includes: a container having a vapor permeable surface and a closeable entrance configured to be locked closed, an external implement configured to unlock the closeable entrance, and dry ice located inside the container. The vapor permeable surface includes a plurality of holes each having a hole dimension less than approximately 4 mm. The container is configured, when the closeable entrance is locked closed, to prevent the passage of dry ice pieces having dimensions larger than the hole dimension.02-04-2010
20100139294Cooling System Having A Bypass Valve To Regulate Fluid Flow - A fluid chiller system supplying cold fluid to a therapeutic wrap, in which a minimum level of fluid flow is provided through the heat exchange coils to insure that the fluid in the coils does not freeze. A fluid flow meter or pressure sensor connected inline with the inlet port of the chiller unit measures a level of fluid flow. A controller is connected to the flow meter or pressure sensor and a bypass valve, wherein based on a signal from the flow meter or pressure sensor, the controller adjusts the bypass valve to provide a predetermined level of fluid flow into the inlet port of the chiller unit, in order to prevent the heat exchange coils from freezing, if the flow through the wrap is blocked.06-10-2010
20130074525Thermal Management System with Heat Exchanger Blending Valve - A thermal management system and method of use are provided, the system including a heat exchanger, a refrigeration system, a coolant loop thermally coupled to the heat exchanger, and a by-pass valve that regulates the amount of coolant within the coolant loop that either passes through the heat exchanger or is diverted away from the heat exchanger. The coolant loop is thermally coupled to the battery pack of an electric vehicle.03-28-2013
20100162734Self-Chilling Container - A self-chilling container, including an outer wall and an inner wall defining at least one adsorption chamber in a space provided between the outer wall and the inner wall, the adsorption chamber adapted to contain adsorbent material in heat transfer contact with at least the inner wall; the inner wall further defining at least one cooling chamber adjacent to the adsorption chamber, the cooling chamber being in heat transfer contact with the inner wall; at least one inlet disposed at the outer wall for introduction of a gas subliming solid material into the adsorption chamber for adsorption of sublimed gas onto the adsorbent material; and a valve in communication with the adsorption chamber for controlled release of the gas from the adsorption chamber.07-01-2010
20100043455SECONDARY FLUID INFRASTRUCTURE WITHIN A REFRIGERATOR AND METHOD THEREOF - A refrigerator and method of supplying coolant material are provided, the refrigerator including an interior and a main cooling loop, at least a portion of the interior includes a freezer section and at least a portion of the main cooling loop includes an evaporator. The refrigerator includes at least one detachable module having at least one connector, the detachable module configured to removably attach to a surface of the refrigerator, and a secondary cooling loop having at least one connector that corresponds to the at least one detachable module's at least one connector, wherein at least a portion of the secondary cooling loop is in thermal communication with at least one of the main cooling loop, the evaporator, and the freezer section, and wherein the secondary cooling loop is configured to be in fluid communication with the at least one detachable module through the corresponding at least one connectors.02-25-2010
20100101242SYSTEM AND METHOD FOR COOLING AIR CONDITIONING SYSTEM ELECTRONICS - A system, method and apparatus for cooling the electronic components that regulate power and commutation of a refrigerant compressor motor in an air conditioning system. The electronic components are juxtaposed upon a heat sink provided with a refrigerant passageway. The heat sink is fluidly disposed in the refrigeration line between the evaporator assembly and compressor such that refrigerant returning from the evaporator assembly to the compressor of the air conditioning system travels directly to the heat sink and through the refrigerant passageway before reaching the compressor.04-29-2010
20090235673DETECTION OF REFRIGERANT RELEASE IN CO2 REFRIGERANT SYSTEMS - A refrigerant system utilizes environmentally friendly natural refrigerant such as carbon dioxide. A pressure relief mechanism such as pressure relief valve is incorporated into the refrigerant system design to allow for at least some amount of refrigerant to be released to atmosphere to provide safe operation or comply with agency regulations if pressure within the refrigerant system exceeds a certain limit. This release can occur during refrigerant system storage, transportation or operation. A detection device such as an electrical circuit is included into the refrigerant system design to provide an indication that pressure relief valve has opened, such that the determination can be made by a refrigerant system control or an operator whether the refrigerant system needs to be recharged and whether it can continue its normal operation, narrow its operational envelope or shut down until the refrigerant charge can be restored.09-24-2009
20130086927INTEGRATED AIR-CYCLE REFRIGERATION AND POWER GENERATION SYSTEM - An integrated power and refrigeration system is disclosed that includes a first subsystem configured to provide cooling air using a reverse-Brayton cycle using compressed air and a second subsystem configured to provide power by accepting a first portion of the compressed air from the first subsystem, heating the accepted first portion of the compressed air to form hot compressed air, and using the hot compressed air to drive a turbine that is coupled to a power generator.04-11-2013
20120216550APPARATUS AND METHOD FOR CONTROLLING THE TEMPERATURE OF A CRYOGEN - A fluid spray device system (08-30-2012
20130055730METHOD OF OPERATING A REFRIGERATION SYSTEM FOR A MOBILE CARGO CONTAINER - A method of operating a refrigeration system for a refrigerated mobile cargo container includes sensing a temperature outside of the refrigerated mobile cargo container, detecting a position of a door on the refrigerated mobile cargo container, and activating the refrigeration system if the door is open and the temperature outside of the refrigerated mobile cargo container is less than a predetermined value.03-07-2013
20130055729CONFIGURATIONS AND METHODS FOR HIGH PRESSURE ACID GAS REMOVAL IN THE PRODUCTION OF ULTRA-LOW SULFUR GAS - Acid gas is removed from a high pressure feed gas that contains significant quantities of CO2 and H2S. In especially preferred configurations and methods, feed gas is contacted in an absorber with a lean and an ultra-lean solvent that are formed by flashing rich solvent and stripping a portion of the lean solvent, respectively. Most preferably, the flash vapors and the stripping overhead vapors are recycled to the feed gas/absorber, and the treated feed gas has a CO2 concentration of less than 2 mol % and a H2S concentration of less than 10 ppmv, and more typically less than 4 ppmv.03-07-2013
20110203297Multicompartment Cooler with Enhanced Features - This disclosure presents a stackable, multicompartment portable cooler with enhanced climate control and delivery features. The cooler may include adjustable vents for precisely controlling the temperature differential between adjacent compartments, a brochure receptor for including information about the delivery, and/or an automatic delivery flag for notification purposes. In addition, the cooler is modular and may be assembled/disassembled through the use of removable compartment dividers that subdivide the stacked main compartments into many subcompartments.08-25-2011
20130067937INDICATING DEVICE AND REFRIGERATOR HAVING THE SAME - Disclosed herein is a refrigerator capable of varying a storage condition for food in accordance with a state of the food, thereby storing the food in a fresher state for a prolonged period of time. The refrigerator includes an indicating device to measure a state of food. The indicating device is provided to be portable, separately from a refrigerator body. The indicating device includes a measurement terminal, which come into contact with food, only when contact is needed. The refrigerator also includes an input unit to receive data about a state of food, a determination unit to determine a storage condition for the food, based on the input food state data, and a controller to control driving of the cooling device, based on the determined food storage condition. The indicating device includes a measurement unit to obtain food state data, and a display to display the food state data.03-21-2013
20090272128Cascade cooling system with intercycle cooling - A cascade refrigeration system, which comprises a top cycle that circulates a first refrigerant, a low cycle that circulates a second refrigerant, and a heat exchanger through which the two cycles interface. The system further comprises a second heat exchanger through which the second refrigerant is superheated by the first refrigerant, while the first refrigerant is simultaneously subcooled by the second refrigerant. The system further comprises a control system that can regulate the amount of superheating of the second refrigerant.11-05-2009
20130061611AIR CONDITIONING SYSTEM WITH HYBRID OPERATION FOR AN AIRCRAFT - A system for air conditioning an aircraft cabin is provided. The system includes at least one cooling circuit, at least one compressed-air line and at least one compressor for compressing air. The cooling circuit is connected to the compressor by way of the compressed-air line, and the compressor is drivable independently of bleed air. This makes it possible to tap engine bleed air at a lower pressure than usual, because an arising difference from a required operating pressure can be compensated for by the compressor. The air conditioning system can thus be operated by means of a hybrid energy supply.03-14-2013
20130061610Screw Type Wind-Chilling Water Chiller Unit and Refrigeration Method Thereof - A screw type wind-chilling water chiller unit including a chassis and a compressor, a shell and tube heat exchanger, a fin-type heat exchanger and an expansion valve, and a control cubicle disposed on the chassis. The expansion valve is disposed between the compressor and the shell and tube heat exchanger. The shell and tube heat exchanger is provided with three tubes, a first tube connected to the compressor, a second tube is connected to a liquid storage can via the expansion valve and a transmission tube. A heat exchange tube in the fin-type heat exchanger is connected to a collection tube, and the liquid storage can is connected to the third tube, and a handle of a cubicle door of a control cubicle is connected to a power switch inside a power supply box, so as to improve the performance, operation stability, equipment safety of the unit.03-14-2013
20120111030Low Ambient Operating Procedure For Cooling Systems With High Efficiency Condensers - A multiple refrigerant circuit cooling system includes at least a first refrigerant circuit and a second refrigerant circuit. Each of said first and second refrigerant circuits including a compressor, a condenser, an expansion device and an evaporator connected in refrigerant flow communication. The condensers of the first and second refrigerant circuits each including condenser coils having exterior surfaces and each condenser including at least one fan for drawing ambient air across the exterior surfaces of its respective condenser coil. The exterior surfaces of the condenser coil of the condenser of the first refrigerant circuit being in fluid communication with the fan of the condenser of the second refrigerant circuit to provide reduced airflow across the exterior surfaces of the condenser coils of the first refrigerant circuit at a low ambient temperature.05-10-2012
20130160469USE OF E-1,1,1,4,4,5,5,5-OCTAFLUORO-2-PENTENE AND OPTIONALLY 1,1,1,2,3-PENTAFLUOROPROPANE IN CHILLERS - This invention relates to method for producing cooling in a chiller having an evaporator wherein a refrigerant composition is evaporated to cool a heat transfer medium and the cooled heat transfer medium is transported out of the evaporator to a body to be cooled, wherein said chiller is a centrifugal chiller. The method comprises evaporating a composition comprising E-HFO-1438mzz and optionally HFC-245eb as a refrigerant composition in the evaporator. This invention also relates to a composition comprising: (1) a refrigerant component consisting essentially of HFC-245eb and E-HFO-1438mzz; and (2) a lubricant suitable for use in a chiller; wherein the E-HFO-1438mzz in the refrigerant is at least 1 weight percent. This invention also relates to a centrifugal chiller apparatus containing a refrigerant composition, characterized by said refrigerant comprising E-HFO-1438mzz and optionally HFC-245eb.06-27-2013
20090064689SUPERCOOLING APPARATUS AND ITS METHOD - The present invention discloses an apparatus and method for supercooling which can stably maintain the contents in a supercooled state for an extended period of time by controlling energy. The apparatus for supercooling includes a means for taking energy from the contents, and a means for causing at least one of rotation, vibration and translation to water molecules of the contents, by supplying energy smaller than the taken energy. The contents arc maintained in a liquid state below a phase transition temperature.03-12-2009
20110296850Strainer System - A strainer for use with combining beverages and cold food includes a bottom section sized for insertion into a beverage container, and a side section projecting substantially vertically from the bottom section and sized for insertion into a portion of such beverage container. A method for retaining ice in a container capable of holding a liquid includes placing a strainer capable of retaining ice in a container capable of holding a liquid, adding ice to the container such that at least some of the ice is retained by the strainer, placing a liquid in the container, and removing the strainer from the container. A strainer system includes a receiving cup for the strainer capable of being stored within the strainer, and may also include a sleeve member for engaging with the strainer to block holes in an upper region of the permeable side section of the strainer.12-08-2011
20090090113COMPRESSOR ASSEMBLY HAVING ELECTRONICS COOLING SYSTEM AND METHOD - A system, compressor, and method that cools an electronics module with a low-pressure refrigerant. The system, compressor, and method utilize a temperature sensor that detects a temperature of the low pressure refrigerant and communicates with the electronics module. Based on the temperature detected by the temperature sensor, the electronics module controls a liquid dry out point of the refrigerant that is used to cool the electronics module.04-09-2009
20110289943Condensate collection system, arrangement, and method - A condensate collection system or arrangement for use in combination an energy recovery system of a paint booth arrangement comprises upper and lower baffle arrangements axially staggered relative to one another. The upper baffle arrangement comprises a series of parallel, diversion structures, and the lower baffle arrangement comprises a series of parallel trough structures. The trough structures are staggered relative to the diversion structures such that an upwardly directed air stream is directed through the trough and diversion structures into the energy recovery system. Condensate, formed via the energy recovery system, is directed from the energy recovery system through spacing the diversion structures into the trough structures. The trough structures are in fluid communication with a common outlet that directs the condensate stream away from the condensate collection system. Certain condensate collection methodology is further contemplated.12-01-2011
20100101241KINETIC ENERGY HEAT PUMP - A kinetic energy heat pump and method for separating fluids into hot and cold fractions, wherein the kinetic energy heat pump comprises a blower, a nozzle, a tube having a radial bend, a diffuser having a separating baffle and at least two outputs. To use, gas is accelerated through the nozzle. The gas then travels around a radial bend, wherein centrifugal force compresses gas toward the outside of the radial bend, thereby forming hot gas molecules, and expands gas molecules near the inside wall of the radial bend to form cold gas molecules. The hot and cold gas molecules then travel through the diffuser. The separating baffle selectively directs the amount of hot and cold gas molecules that travel through hot and cold output channels of the diffuser.04-29-2010
20120096874INDEPENDENT FREE COOLING SYSTEM - A free cooling system may include first and second conduits configured to carry first and second fluids, a cooling load configured to transfer heat to the first fluid, thereby causing the first fluid to have a post-loading temperature, a free cooling device configured to transfer heat from the second fluid to atmospheric air, thereby causing the second fluid to have a post-cooling temperature, a heat exchanger configured to facilitate a heat exchange between the first and second fluids of the first and second conduits, thereby causing the first fluid to have a pre-loading temperature and the second fluid to have a pre-cooling temperature, and a fluid flow control device configured to control a first flow rate of the first fluid and a second flow rate of the second fluid, such that the post-cooling temperature is less than the pre-loading temperature by at least a predefined temperature.04-26-2012
20110197599Thermal Energy System And Method Of Operation - A thermal energy system comprising a first thermal system, the first thermal system in use having a heating and/or cooling demand, a closed loop geothermal energy system comprising a plurality of borehole heat exchangers, each borehole heat exchanger containing a working fluid, and an intermediate heat pump thermally connected between the first thermal system and the geothermal energy system. Each borehole heat exchanger may comprise an elongate tube having a closed bottom end and first and second adjacent elongate conduits interconnected at the bottom end. In particular, the first thermal system is a refrigeration system and the ‘closed loop geothermal energy system provides cooling of the condenser(s) of the refrigeration system.08-18-2011
20090282842Cryopump and method for diagnosing the cryopump - A cryopump is provided with: a refrigerator that generates a cold state by a heat cycle in which an operating gas inhaled inside is expanded and discharged; a heat shield thermally connected to the refrigerator so as to be cooled to a target temperature; and a control unit that determines a command value for a heat cycle frequency such that a temperature of the heat shield follows the target temperature, and provides the command value to the refrigerator. The control unit estimates whether the refrigerator outputs a refrigerating capacity corresponding to the command value for the frequency based on a flow rate of the operating gas.11-19-2009
20100275618SYSTEM AND METHOD FOR COOLING FLUID DISTRIBUTION - A system for distributing a cooling fluid in a room containing at least one heat generating component includes a primary heat exchanger having an inlet for receiving the cooling fluid, a heat exchange section configured to facilitate exchange of heat between airflow in the room and the cooling fluid, and an outlet for exhausting heated cooling fluid from the heat exchange section. The system also includes a secondary heat exchanger having a receiving section connected to the second section of a cooling fluid line for receiving heated cooling fluid, a heat exchange section configured to facilitate exchange of heat between the at least one heat generating component and the heated cooling fluid, and an exhaust section configured to exhaust secondarily heated cooling fluid.11-04-2010
20090266089Method For Operating An Air Conditioning Unit For A Car - In an air conditioning unit for a car, which air conditioning unit has a refrigerant circuit with a primary consumer branch having a compressor, condenser, and an evaporator, which air conditioning unit also has at least one auxiliary consumer branch that is connected parallel to the primary consumer branch and has a cold accumulator and its own evaporator, a stop valve is arranged in front of each evaporator. After operational phases charging the cold accumulator, the stop valve of the primary consumer branch is regularly opened for only a predetermined opening time that depends on particular operating parameters. The substantial operating parameters are the air inlet temperature and the air mass flow at the evaporator of the primary consumer branch. The method thus makes possible the alternating charging operation of the cold accumulator parallel to the cooling mode at low air temperatures at the evaporator of the primary consumer branch. By limiting the opening time for the stop valve of the primary consumer branch, no more than a suitable amount of liquid refrigerant accumulates in the evaporator of said primary consumer branch. As a result, the air temperature at the evaporator does not decrease further after the stop valve in the primary consumer branch was closed. For this reason, it is possible to select the lower limit temperature of 3° C. as the criterion for closing this stop valve.10-29-2009
20080282711Ice Management Apparatus - An ice making, and delivery apparatus for making and delivering ice to different ones of a plurality of receptacle units is provided, in which ice delivered via a conduit to a diverter valve mechanism, is diverted from alignment with one ice discharge line to another, depending upon sensors in ice receptacles recognizing a level of build-up of ice in any given receptacle, for computer control of a gearmotor for moving the diverter valve from one position to another. Various controls are provided for preventing ice build-up, and for operating the diverter valve during a “dwell” period of ice movement in the conduit, as distinguished from a “push” period of ice movement in the conduit to the diverter valve. A force multiplication technique is employed for moving the diverter valve notwithstanding the presence of ice therein.11-20-2008
20080209921REFRIGERATION SYSTEM - A temperature controlled case is provided that includes an enclosure defining an airspace for receiving products therein, a refrigeration system configured to circulate a refrigerant through an expansion device and at least one cooling element to cool the airspace and a control module having a first predetermined setpoint corresponding to a first cooling mode and a second predetermined setpoint corresponding to a second cooling mode. The control module is configured to determine which one of the first cooling mode and the second cooling mode the refrigeration system is to operate within and to apply the corresponding predetermined setpoint for reference in modulating a position of the expansion device.09-04-2008
20090139246REMOTE SOFTWARE LOADING FOR REFRIGERANT SYSTEM - A refrigerant system control software upgrades are remotely downloaded over information carrying media. The software upgrades can be timed to occur when the Internet traffic is low. Once the upgrade has been received, a verification test may be performed for the refrigerant system components affected by the software upgrade. The test is monitored, and the results are sent back to the remote location such that the remote location can ensure the software upgrade was successful.06-04-2009
20110219787VARIABLE PID ENABLE FOR COMPRESSOR CONTROL ALGORITHM - A Proportional Integral Derivative (PID) control system controls a component by adjusting the control input and the execution of the PID calculation whenever a change in a state of a component exceeds a certain value.09-15-2011
20090249803APPARATUS AND METHOD FOR COOLING ELECTRICAL EQUIPMENT - An HV_ECU executes a program, which includes a step of receiving route information; a step of acquiring a duty command value of a battery cooling blower; a step of calculating a cooling airflow; steps for acquiring a battery temperature and an intake temperature; a step of calculating a value TB−TC; a step of calculating a cooling performance; a step of estimating a battery temperature; and a step of performing fail safe processing when in an abnormal state.10-08-2009
20090249802Vehicle HVAC and Battery Thermal Management - An HVAC system for a vehicle having a battery pack, and a method of operation, is disclosed. The HVAC system may comprise a refrigerant loop having a first leg and a second leg, and a refrigerant compressor in the refrigerant loop. In the first leg, an evaporator provides cooling to a passenger cabin of the vehicle, an evaporator shut-off valve selectively blocks the flow of refrigerant through the evaporator, and an evaporator thermal expansion valve is upstream from the evaporator. In the second leg, a battery heat exchanger receives the refrigerant, a battery thermal expansion valve is located upstream from the battery heat exchanger, and a battery cooling shut-off valve selectively blocks the flow of refrigerant through the battery heat exchanger. The shut-off valves and compressor are controlled to control the cooling of the passenger cabin and the battery pack.10-08-2009
20100162735MIXED-PHASE REGULATOR - Disclosed is a method and device to efficiently regulate flow of refrigerant while maintaining a sealed chamber in systems providing stored thermal energy for use during peak electrical demand. A mixed-phase regulator replaces the thermostatic expansion valve used in conventional air-conditioning systems that, along with capillary tubes and orifices, regulates the refrigerant fed from the compressor to the heat load.07-01-2010
20130213059COMPRESSION OF A CRYOGENIC MEDIUM - A method for compressing a cryogenic medium, in particular hydrogen, oxygen, nitrogen or argon is described. The cryogenic medium is compressed in two compressor stages from an initial pressure to a final pressure by way of an intermediate pressure, such that the first compressor stage is designed as a cryogenic compressor stage. The cryogenic medium is advantageously compressed to a pressure between 30 and 70 bar in the first compressor stage and in the second compressor stage is compressed to the desired final pressure by means of a hot gas compression.08-22-2013
20130213060MOBILE APPARATUS AND METHOD FOR PRODUCING CONCRETE WITH COOLING OF BULK MATERIAL - The invention relates to a mobile apparatus and a method for concrete production, comprising a cooling apparatus for cooling bulk material, in particular aggregates for concrete production. The cooling apparatus (08-22-2013
20100192598DISPENSING LINE COOLING - A beverage-dispensing assembly having a cooling system includes a dispensing tower having an outer wall defining an inside first channel between a first end and a second end of the tower, wherein a second channel and a third channel are provided in the first channel. The second channel is configured to accommodate a dispensing line, and the third channel is in fluid communication with the second channel at the second end of the tower.08-05-2010
20120186274METHODS, APPARATUSES, AND COMPUTER PROGRAM PRODUCTS FOR MONITORING FUNCTIONALITY OF A REFRIGERATION SYSTEM - Methods, apparatuses, and computer program products are provided for monitoring functionality of a refrigeration system. A method may include periodically exercising a refrigeration system to test the refrigeration system. The method may further include monitoring operation of the exercised refrigeration system. The method may additionally include determining, based at least in part on the monitoring, whether the exercised refrigeration system is malfunctioning. The method may also include causing a notification to be provided in an instance in which it is determined that the exercised refrigeration system is malfunctioning. Corresponding apparatuses and computer program products are also provided.07-26-2012
20100199691METHOD FOR CONVERTING THERMAL ENERGY AT A LOW TEMPERATURE INTO THERMAL ENERGY AT A RELATIVELY HIGH TEMPERATURE BY MEANS OF MECHANICAL ENERGY, AND VICE VERSA - Method for converting thermal energy at a low temperature into thermal energy at a relatively high temperature by means of mechanical energy, and vice versa, with a working medium which runs through a closed thermodynamic circulation process, wherein the circulation process has the following working steps:—reversible adiabatic compression of the working medium, —isobaric conduction away of heat from the working medium,—reversible adiabatic relaxing of the working medium,—isobaric supply of heat to the working medium, and wherein the increase or decrease in pressure of the working medium is produced during the compression or relaxing, increasing or decreasing the centrifugal force acting on the working medium, with the result that the flow energy of the working medium is essentially retained during the compression or relaxing process.08-12-2010
20080229762Multi-Circuit Refrigerant System Using Distinct Refrigerants - A multi-circuit refrigerant system includes a plurality of circuits that are provided with distinct refrigerants. A control selectively matches a sensed environmental space conditioning challenge to selectively engage the plurality of circuits.09-25-2008
20100300120Refrigerator unit and/or freezer unit - The present invention relates to a refrigerator unit and/or freezer unit having a first electronic controller which controls a second electronic controller. In accordance with the invention, the first electronic controller transmits control signals to the second electronic controller by the selective switching of one or more mains half cycles of a mains voltage. The present invention furthermore comprises a corresponding method for the operation of a refrigerator unit and/or freezer unit.12-02-2010
20110126555REFRIGERATOR AND CONTROL METHOD THEREOF - Provided are a refrigerator and a controlling method thereof. The refrigerator includes a main body, a display device, a radio frequency identification (RFID) reader, an audio output, an audio input, a voice recognizer, and a display controller. The display device is on the main body and includes a display. The RFID reader is on the display device or the main body. The audio output outputs through audio to an outside whether to enter a food name, when an RFID tag attached to a food item or a container holding the food item is read by the RFID reader. The audio input is on the display device, to which audio from the outside can be input. The voice recognizer reads audio input to the audio input. The display controller controls the display device to display on the display a screen corresponding to data read by the voice recognizer. Thus, a food name can be entered by a user's selection or through reading an RFID tag, and a food name can be entered through audio or through a screen on a display, so that a user's range of options is broadened, and convenience is increased.06-02-2011
20110000229DEVICE AND METHOD FOR COOLING DRINKS - Device for cooling drinks with a drink supply container (01-06-2011
20110214435HEAT PUMP CYCLE SYSTEM AND METHOD OF PROVIDING COMBINED COOLING AND HEATING SUPPLY - A heat pump cycle system and a method for providing combined cooling and heating supply are disclosed. The heat pump cycle system comprises a working medium reservoir, an absorbing solution reservoir, and a compression heat pump. The upper portions of the working medium reservoir and the absorbing solution reservoir are connected by a gas passage. The compression heat pump comprises a compressor, a condenser, a throttle valve and an evaporator, all of which are connected by a steam pipeline accordingly. The working medium reservoir contains a working medium and further comprises a first heat exchanger, and the evaporator. The absorbing solution reservoir contains an absorbing solution and further comprises a second heat exchanger and the condenser. The system utilizes electricity during the electricity consumption trough, to operate the compression heat pump cycle during the reproducing process.09-08-2011
20120266610PERFORMANCE AND POSITION MONITORING OF A MOBILE HVAC&R UNIT - A system for monitoring a mobile refrigerant system including one or more system components is provided. The system includes a global positioning system, a performance monitor, and a processor. The global positioning system includes a receiver that provides a locator signal. The performance monitor provides a monitor signal indicative of operational performance of at least one of the system components of the refrigerant system. The processor is adapted to receive and combine the locator signal and the monitor signal, and produce a combined locator and monitor signal output.10-25-2012
20120266611METHOD FOR CONTROLLING A COMPOSITE DEVICE AND A COMPOSITE DEVICE IN WHICH THE METHOD CAN BE APPLIED - Method for controlling a device that includes at least a compressor installation and/or a drying device and a heat recovery system. The heat recovery system absorbs heat from the compressor installation, and the device further includes a controller and device for determining one or more system parameters. The controller controls both the compressor installation and/or the drying device and the heat recovery system on the basis of the system parameters, so that the overall efficiency of the device is optimised.10-25-2012
20100218514Controlled temperature compartment for refrigerator - A storage compartment assembly is located within the interior of a compartment of a refrigerator such as a fresh food compartment of a refrigerator. The storage compartment assembly includes a storage container the temperature of which can be controlled independently of the temperature in the fresh food compartment. At least one of the sides of the storage container can be spaced away from a respective interior side of the refrigerator compartment and a housing located in the space between the side of the storage container and the interior side of the refrigerator compartment. The housing can contain components that are configured to function in the operation of the refrigerator, including the storage compartment assembly. The refrigerator can comprise a bottom-mount refrigerator and the fresh food compartment can be provided with double-doors for closing and opening the interior of the fresh food compartment.09-02-2010
20110083450Refrigerant System With Stator Heater - A refrigerant system adapted to reduce refrigerant migration therein includes a compressor and a controller. The compressor has a motor with motor windings. The motor windings are responsive to control signals to selectively generate heat in a manner that does not turn the motor. The controller selectively energizes the motor windings to generate heat based on at least one of a monitored temperature or pressure to warm the compressor.04-14-2011
20110083449Vehicle Climate Control System and Control Method - An automotive vehicle includes an air conditioning system configured to selectively cool a cabin of the vehicle and at least one electrical component of the vehicle. The vehicle also includes one or more controllers configured to determine whether the air conditioning system is operating to cool the at least one electrical component, to determine whether cabin cooling is requested, and to enable the air conditioning system to cool the cabin if the air conditioning system is operating to cool the at least one electrical component and if cabin cooling is requested.04-14-2011
20110079024COMBINED HEAT EXCHANGE UNIT - A heat exchange system for supplying air to a habitable space at a desired output condition includes a continuously variable mechanical cooler, an indirect evaporative cooler, an adiabatic cooler and a controller arranged to selectively supplement a cooling capacity of the indirect evaporative cooler, with a variable amount of cooling from the mechanical cooler in order to reach the desired output condition.04-07-2011
20110239664FLUID LEVEL MEASUREMENT SYSTEM AND METHOD - A transport refrigeration system for a transportable temperature controlled space includes a compressor, a condenser and an evaporator fluidly connected to one another, an engine operatively connected to the compressor, and a fuel tank assembly fluidly connected to the engine. The fuel tank assembly includes a fuel tank configured to contain the fuel, a fuel vapor and air, and an ultrasonic fluid level sensor for sensing a level of fuel, the fuel tank having a maximum fuel level. The fluid level sensor includes a transducer having a ring period. The distance from the fluid level sensor to the maximum fuel level is at least half the distance that the sound travels through the fuel vapor and air during the ring period of the transducer.10-06-2011
20110113793PALLET PLATFORM WITH COOL AIR TOWER - A cooling system for perishable items.05-19-2011
20100037629Crimped orifice for flare fitting - A flow restriction or metering device for a refrigerant system includes a crimped or otherwise formed tubular insert that is installed within a standard flare fitting. The flare fitting can be similar to those used for coupling two refrigerant lines, or the fitting can be part of a service valve, such as those used for charging, discharging, or servicing refrigerant systems. The insert provides a fixed orifice having a predetermined flow coefficient. The insert is removably clamped within the fitting and extends into a refrigerant line that connects to the fitting.02-18-2010
20120144848AIR CONDITIONING APPARATUS AND CONTROL METHOD THEREOF - An exemplary embodiment of the present invention provides an air conditioning apparatus including: an indoor unit with a heat exchanger; and a remote controller for inputting an operation condition of the indoor, wherein the remote controller includes a sensor sensing a moving state of the remote controller; a control unit determining the operation condition of the indoor unit based on a result sensed by the sensor; and a signal transmitting and receiving unit transmitting and receiving a signal to and from the indoor unit, and the indoor unit includes a blowing unit; a wind direction control unit controlling a discharge direction of air discharged from the blowing unit; a signal transmitting and receiving unit transmitting and receiving a signal to and from the remote controller; and a control unit controlling the driving of the blowing unit and/or the wind direction control unit in accordance with the operation condition received from the remote controller.06-14-2012
20100077772COOLING APPARATUS AND METHOD FOR LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE - A cooling apparatus for a liquid crystal display device includes a cooling chamber; a stage in the cooling chamber, a liquid crystal cell placed on the stage; a plurality of cooling coils generating a cooled air; first and second fans blowing the cooled air on opposing plane surfaces of the liquid crystal cell; and a chiller supplying a refrigerant to the plurality of cooling coils.04-01-2010
20090188262Method of Operating a Refrigerator Unit and/or Freezer Unit as well as a Refrigerator Unit and/or Freezer Unit Operated Using Such a Method - The present disclosure relates to a method for the operation of a refrigerator unit and/or a freezer unit having two compartments or more than two compartments which each have at least one opening which is closable by a closure element and through which the compartments can be charged with cold air, with at least one temperature sensor being provided for the indirect or direct detection of the respective actual temperature value, wherein a temperature value (closing value) is defined for a plurality of the compartments or for all of the compartments, wherein the compartment with the lowest difference between the actual temperature value and the closing value (temperature difference) is determined, and wherein the closure element of this compartment is closed until its temperature difference is the same as or larger than the temperature difference of a compartment having a larger temperature difference, preferably having the next larger temperature difference.07-30-2009
20110296852Energy Management System - An energy management system for use with a temperature controlled unit for food or beverages. A sensor is provided that comprises means to measure a temperature in the temperature controlled unit, and means to transmit wirelessly the measured temperature to a controller. The controller comprising a memory for storing data, and a processor arranged to control electric power to the temperature controlled unit on the basis of a combination of the measured temperature and the stored data. The stored data defines at least two time periods in which a first temperature is required in the first time period, and a second, different temperature is required during the second time period.12-08-2011
20110296851EVAPORATOR FOR A REFRIGERATION CIRCUIT - A vaporizer for a cooling circuit, particularly for a motor vehicle, is provided that includes a vaporization region, wherein a coolant flowing through the vaporization region takes up heat from an outside region, wherein the vaporization region is downstream of a first expansion element on the inlet side in the direction of flow of the coolant, wherein an exchanger member is provided between the vaporization region and the first expansion element, and wherein heat can be transferred from the coolant upstream of the vaporization region to the coolant downstream of the vaporization region.12-08-2011
20100212332Method for Controlling an Air Conditioning System in a Vehicle - A method for controlling an air conditioning system in a vehicle to reduce the humidity entering into the interior of the vehicle is disclosed. One aspect of the disclosure is that a measure for the amount of water collected at the fresh air intake port is determined as a function of a sensor signal. Thereafter, the determined measure for the amount of water collected at the fresh air intake port may be used to control the air conditioning system in such a manner that the amount of air that is drawn in through the fresh air intake port is reduced.08-26-2010
20100154441Linear Compressor With a Gas Spring - A refrigeration appliance, in particular at least one of a refrigerator, freezer and an air conditioning unit, includes a cooling chamber; a linear compressor having a piston housing; a compressor piston disposed within the piston housing and configured for reciprocatory motion along an axis within the piston housing; and buffer means for storing kinetic energy associated with the motion of the compressor piston, wherein the buffer means is configured to store the kinetic energy of the compressor piston in an interim manner by compression of a gaseous fluid during reciprocatory motion of the compressor piston.06-24-2010
20100319364INSULATED AND REFRIGERATED BEVERAGE TRANSPORT LINE - An insulated and refrigerated beverage transport line provides enhanced temperature control of one or more beverages conveyed through the transport line. A plurality of coolant lines carrying a re-circulated coolant makes contact with the one or more product lines. One or more empty lines, referred to as packers, may be placed between the coolant lines and the product lines to provide a dimensionally stable and tight group of lines that are bundled together. An external insulation is provided over the bundle of lines to further enhance insulation for the beverage being transported through the product lines. At least one dedicated coolant return line may be placed remote from the other lines. The dedicated coolant return line carries the highest temperature coolant found in a beverage transport system. Independent and separate insulation of this dedicated coolant return line prevents inadvertent heat transfer to the one or more product lines.12-23-2010
20100319363METHOD AND APPARATUS FOR RAPIDLY CHILLING OR WARMING A FLUID IN A CONTAINER - A method and apparatus for rapidly chilling or heating a container of liquid is provided. The method may include angularly oscillating the container in the presence of a coolant to impart inertial flow to the liquid contained in the container. Various devices for achieving accelerated cooling of liquids are disclosed.12-23-2010
20090277190Life-saving child car seat/carrier system designed to protect against passenger compartment temperature extremes - A life-saving child car seat/carrier safety system that protects a child from injury or death due to passenger compartment temperature extremes is described herein. Each year, children and infants die tragically as a result of overheating in automobile passenger compartments when they are mistakenly left unattended by their caregivers. The present invention provides a system and method for child safety comprising an automatically closing child car seat compartment that detects dangerous temperatures; notifies caregivers via an auto-dialing cell phone; alerts passersby via emergency lighting, audible alarms, vocal alerts, and electronic messaging; contacts emergency services with GPS location information; provides breathable air; and provides temperature regulation as needed to cool or warm a child. A distinguishing feature of the invention is lifesaving temperature regulation provided by a thermally insulating enclosable seating compartment, a temperature sensor, and a Peltier junction thermoelectric device, or other means of cooling and heating.11-12-2009
20100319362REFRIGERANT SYSTEM DETECTION METHOD, REFRIGERANT SYSTEM DETECTION SYSTEM AND STORAGE COMPONENT WITH REFRIGERANT SYSTEM DETECTION PROGRAM - A refrigerant system detection method for detecting refrigerant systems in an air conditioning system includes a drive step, an operation inhibition step and a recording step. The air conditioning system includes a plurality of indoor units having temperature sensors respectively connected to a plurality of outdoor units. The drive step puts the plurality of outdoor units into a driven state after a start-up time. The operation inhibition step stops or weakens the outdoor units one unit at a time after the drive step. The recording step correlates and records the outdoor units in which operation has been inhibited and the indoor units in which detection values of the temperature sensors have changed as a result of the outdoor units being inhibited. A refrigerant system detection system includes the connected indoor and outdoor units and a management component configured to perform the method. A storage component includes a program to perform the method.12-23-2010
20100162733Linear Compressor With Preloaded Spring Piston Rod, and Refrigerating Machine - A linear compressor including a piston housing, a compressor piston movable in a reciprocating manner along an axis within the piston housing, a drive mechanism for driving the reciprocating movement, a linkage for connecting the compressor piston to the drive mechanism, and a helical spring operable within the linkage.07-01-2010
20120144847INTELLECTUAL REFRIGERATOR COMBINING WITH PORTABLE ELECTRIC DEVICE AND CONTROL METHOD FOR THE SAME - An intellectual refrigerator combining with a portable electric device is present. The refrigerator has an image unit, a wireless transmitting unit and a micro control unit (MCU) therein. The image unit is used to monitor status or fetch image in a case of the refrigerator. The MCU electrically connects to the image unit and the wireless transmitting unit. The refrigerator further includes a connecting socket arranged on an outer surface of the case, and the connecting socket includes a first transmitting interface electrically connected to the MCU. When the electric device is plugged in the connecting socket, a connection is established by the MCU of the refrigerator with the electric device physically via the first connecting interface. When the electric device is removed from the connection socket, the connection is automatically turned to establish by the MCU with the electric device wirelessly via the wireless transmitting unit.06-14-2012
20120102980Control Process For An Expansion Valve - A control process controls an expansion valve (EXV). The expansion valve is situated in an air conditioning circuit in which a coolant circulates and flows. The air conditioning circuit comprises at least a compressor (CMP), a condenser (CND), and an evaporator (EVP). The control process comprises the following steps or stages: 05-03-2012
20110314841HEAT PUMP AND METHOD OF OPERATION - A heat pump is provided having a first heat exchanger and a second heat exchanger. A compressor is fluidly coupled to the first heat exchanger and the second heat exchanger. A reversing valve is fluidly coupled between the first heat exchanger and the second heat exchanger. The reversing valve is adapted to flow of a refrigerant from the compressor to the first heat exchanger during heating mode and to the second heat exchanger during a cooling mode. A thermal expansion valve is positioned between the first heat exchanger and the second heat exchanger. An electronic expansion valve is positioned between the first heat exchanger and the second heat exchanger. A controller is electrically coupled to operate the electronic expansion valve between a fully open, a fully closed and a modulated position depending on the operation of the compressor.12-29-2011
20110314840Various methods for industrial scale production of graphene and new devices/instruments to achieve the latter - This invention is comprised of the following innovations: various devices/instruments which may be used in the preparation of a compact monolayer [made up of a suitable organic material (or organic compound)] as well as the carbonization of the latter; efficient methods for preparing a compact monolayer which is free from all “other” materials that were used in the various processes involved in the said preparation of the said compact monolayer; various methods for carbonizing a compact monolayer by means of a suitable “heat source” (which allows the application of a sudden searing “heat” extremely quickly) in order to produce a graphene layer, where the said heat source may be a “hot surface” or a suitable “radiation type beam” such as a suitable laser beam, or a suitable maser beam, or a suitable electron beam; and finally, various methods to provide a protective layer for a graphene layer.12-29-2011
20120042662INDOOR UNIT FOR AIR CONDITIONER AND CONTROL METHOD THEREOF - Provided is an indoor unit for an air conditioner buried in a ceiling and including a heat exchanger with respect to an indoor space defined by a bottom surface, the ceiling, and a plurality of wall surface, including: a front panel where a suction part suctioning air of the indoor space; a discharge hole placed on at least one side of the suction part and discharging heat-exchanged air from the heat exchanger; an opening member provided movably to selectively open the discharge hole; a distance sensing unit sensing at least one of a distance up to the bottom surface from the front panel or the indoor unit and a distance up to the wall surface from the indoor unit; and a controller controlling the opening degree of the opening member based on a sensing result sensed by the distance sensing unit.02-23-2012
20110154834AIR CONDITIONER AND METHOD FOR CONTROLLING THE SAME - The present invention relates to an air conditioner and method for controlling the same, which can continue an operation when a sensor breaks down. A method for controlling an air conditioner according to the exemplary embodiment of the present invention comprises a plurality of indoor units, wherein the method comprises occurring a breakdown in a sensor of any one of the plurality of indoor units, calculating a value of the sensor, and controlling the indoor unit according to the calculated value of the sensor.06-30-2011
20090158753GAS SAFETY DEVICE AND THE CONTROL METHOD OF HEATING VENTILATING AND AIR CONDITIONING SYSTEM - Disclosed is a gas safety device of a heating, ventilating, and air conditioning system for vehicles. The gas safety device includes a gas sensor installed at an air inlet connecting an engine room and the inside of a vehicle; and refrigerant cutoff valves installed at lines of an evaporator at the sides of refrigerant inlet or outlet for restricting the flow of a refrigerant by means of the operation of a control unit according to a sensing signal value of the gas sensor. In the gas safety device, when gas is leaked in the engine room after a starting switch of the vehicle is turned on, the gas sensor installed at the air inlet connecting the engine room and the inside of the vehicle senses the gas leakage, and outputs a corresponding signal value to the control unit. Then, the control unit determines whether or not gas is leaked through the signal value, and operates the refrigerant cutoff valve installed at the line of the evaporator at the side of the refrigerant inlet, thus controlling the flow of the refrigerant.06-25-2009
20120055174ELECTROCALORIC HEAT TRANSFER - Techniques for transferring heat from a heat source to a heat destination, and systems for transferring heat from a heat source to a heat destination are provided. More particularly, techniques and systems for transferring heat by utilizing one or more electrocaloric heat pumps are provided. An example heat pump may include an electrocaloric element for receiving heat from a heat source, and a chamber containing a phase change material, an evaporator and a condenser. Upon altering the voltage applied to the electrocaloric element, the phase change material may transform from a liquid state to a vapor state to transfer heat away from the heat source.03-08-2012
20120011861SUPERCOOLING APPARATUS - The present invention relates to a supercooling apparatus which can reduce a deviation of energy applied to a stored object. The supercooling apparatus includes a storage room provided in a storing unit where the cooling is performed and having a storing space therein to store or receive an object, a heat source supply unit installed in the storage room and supplying heat to the storing space or generating heat in the storing space; a temperature sensing unit sensing the temperature of the storing space or the stored object, and a control unit operating the heat source supply unit based on the temperature sensed by the temperature sensing unit to enable an upper portion of the storing space to have a temperature higher than a temperature of the maximum ice crystal formation zone, such that the storing space or the stored object is maintained in a supercooled state at a temperature below the maximum ice crystal formation zone, the control unit supplying or generating heat over a given magnitude during the supercooled-state control.01-19-2012
20120102981ABSORPTION REFRIGERATOR UNIT WITH TEMPERATURE AND LEVEL MONITORING - A control system for a refrigerator having an absorption cooling arrangement and a generator can include a temperature sensor associated with the generator and operable to sense a temperature of the cooling arrangement, a level sensor associated with the refrigerator and operable to sense a level condition of the cooling arrangement, and a heat source operably associated with at least the generator. A control circuit can include a processor and can be in communication with at least the temperature sensor, the level sensor and the heat source, and can be configured to determine a sensed temperature from the temperature sensor and a sensed level condition from the level sensor. The control circuit can be configured to turn off the heat source based on determining the sensed temperature is below a first predetermined threshold or based at least in part on determining the sensed level condition exceeds a second predetermined threshold.05-03-2012
20110088410Chilled Beverage Container - A chilled beverage container with dual concentric cylinder sides; an outer cylinder for holding the beverage, and an inner cylinder for holding a coolant where the inner cylinder is sealed such that the coolant cannot mix with the beverage to dilute it or alter the taste.04-21-2011
20120125017METHOD OF OPERATING A REFRIGERATOR - A method for operating a refrigerator having a driving assembly and an ice storage bin. The driving assembly is releasably engageable with the ice storage bin. The driving assembly has a motor fork. The ice storage bin supports an axle, to which a coupler is secured. The method includes engaging the motor fork with the coupler secured, rotating the motor fork in a first direction based on a user's input, and rotating the motor fork in a second direction opposite to the first direction for a predetermined time or by a predetermined angle at the end of the user's input.05-24-2012
20120159971MOBILE ENVIRONMENT-CONTROLLED UNIT AND METHOD OF OPERATING A MOBILE ENVIRONMENT-CONTROLLED UNIT - A mobile environment-controlled unit having a structure, a compartment supported by the structure, and an environmental-control system in environmental communication with the compartment. The environmental-control system is configured to control an environmental parameter of the compartment. The environmental-control system includes an internal combustion engine, having a starter, powering the environmental-control system; a battery powering the starter; and a controller. The controller monitors battery health status, predicts battery failure, and communicates the predicted battery failure. Also, described is a method of operating the mobile environment-controlled unit and a controller for controlling the mobile environment-controlled unit.06-28-2012
20100205980REFRIGERANT LUBRICANT COMPOSITION - A PAG lubricant basefluid for use with a fluoroalkene refrigerant, the basefluid containing a PAG having the formula: RX(R08-19-2010
20100205981STORING/TRANSPORTING ENERGY - An installation for storing and/or transporting energy comprises a charging station, a discharging station and a reactor part (08-19-2010
20120210733COORDINATED CONTROL OF ELECTRIC VEHICLE CHARGING AND HVAC - A system and method include receiving a temperature signal from a temperature sensor, controlling operation of an air conditioner condenser, and controlling an electric vehicle charger to operate to charge an electric vehicle battery only when the air conditioner condenser is not running.08-23-2012
20120247129METHOD AND APPARATUS FOR MEASURING EXPANSION VALVE DIAPHRAGM STROKE - An expansion valve assembly includes a housing that defines a passage through which a fluid flows. The assembly also includes a diaphragm that deflects according to a characteristic of the fluid and valve member that is operably coupled to the diaphragm to move within the passage between a first position and a second position due to deflection of the diaphragm to regulate flow of the fluid through the passage. A stroke is defined by a distance between the first and second positions of the valve member. Moreover, the assembly includes a stroke measuring device having a first member and a second member. The first member is operably coupled to the valve member to move relative to the second member due to movement of the valve member. The stroke measuring device is operable to detect the amount of relative movement of the first and second members to detect the stroke.10-04-2012
20100050662Workstation System - This invention resides in a workstation system comprising at least one work area and at least one partition adjacent the work area. The partition having a plurality of demountable screens, at least one of the screens having a cavity fluidly connected to at least one aperture in the partition. A conduit having one end fluidly connected to the cavity and an opposite end fluidly connected to an air duct to communicate air from the air duct to the aperture.03-04-2010
20120073311REFRIGERANT SYSTEM AND METHOD FOR CONTROLLING THE SAME - A refrigerant system and a method for controlling the same are provided. A refrigerant system includes: an outdoor heat exchanger disposed in an operating loop of the refrigerant system and configured to perform a heat exchange between outdoor air and a refrigerant; a compressor disposed in the operating loop and configured to compress the refrigerant; an indoor heat exchanger disposed in the operating loop and configured to perform a heat exchange between indoor air and the refrigerant; an expander disposed in the operating loop and configured to expand the refrigerant; a refrigerant storage connected to the operating loop and configured to receive and store the refrigerant from and discharge the refrigerant to the operating loop; and a refrigerant storage controller configured to control a total amount of refrigerant in the operating loop based on an indoor air conditioning load and an amount of the stored refrigerant.03-29-2012
20120260679Control of an Expansion Valve Regulating Refrigerant to an Evaporator of a Climate Control System - Systems and methods are provided for controlling an expansion valve of a climate control system evaporator coil. An evaporator coil temperature sensor senses temperature of refrigerant within the evaporator coil near the evaporator coil outlet. A controller determines a control set point based on the refrigerant temperature near the evaporator outlet. The control set point is used to determine a valve opening area to regulate refrigerant flow into the evaporator coil such that temperature of refrigerant at the evaporator coil outlet is within a temperature band having a lower bound within a predetermined range above the liquid-to-vapor transition temperature.10-18-2012
20120260676COOLING SYSTEM UTILIZING A CONICAL BODY - Cooling via acceleration of a compressible fluid is disclosed. The fluid is accelerated by a rotatable body to a velocity that may be equal to or greater than the speed of sound in the fluid. No conventional mechanical pump is required to accelerate the fluid. A phase change of the fluid may be utilized to transfer heat from an element to be cooled.10-18-2012
20120260678AIR CONDITIONER, METHOD FOR CONTROLLING OPENING OF EXPANSION VALVE, AND COMPUTER-READABLE RECORDING MEDIUM WITH EXPANSION VALVE OPENING CONTROL PROGRAM RECORDED THEREON - An air conditioner includes: a compressor for compressing a refrigerant; an expansion valve for adjusting the flow of the refrigerant; a first temperature sensor for detecting a discharge temperature of the compressor; and a second temperature sensor for detecting a temperature of a condenser. A discharge temperature difference is calculated that is a difference between the discharge temperature detected by the first temperature sensor and the temperature of an outdoor heat exchanger or an indoor heat exchanger functioning as the condenser that is detected by the second temperature sensor. The opening of the expansion valve is set based on the calculated discharge temperature difference and a target discharge temperature difference that is set so that a target degree of superheat is obtained.10-18-2012
20120260677COOLING APPARATUS AND CONTROL METHOD - A cooling apparatus includes a first power supply, a second power supply, and a power switching control unit configured to switch a power supply from the first power supply to the second power supply near the time when the temperature of a compartment starts decreasing.10-18-2012
20120318001REFRIGERATION CYCLE APPARATUS AND OPERATING METHOD OF SAME - A refrigeration cycle apparatus achieves efficient operation by constantly recovering power in a wide operating range. The refrigeration cycle apparatus regulates a pressure of a high pressure side by changing either one or both of an opening degree of the intermediate-pressure bypass valve and an opening degree of the pre-expansion valve on the basis of a density ratio that is obtained from an inflow refrigerant density of the expander and an inflow refrigerant density of the sub-compressor in an actual operating state and a design volume ratio that has been expected at the time of design and that is obtained from a stroke volume of the sub-compressor, a stroke volume of the expander, and a ratio of a flow rate of the refrigerant flowing to the sub-compressor.12-20-2012
20120318000VEHICLE WITH AIR CONDITIONING SYSTEM - A vehicle includes an air conditioning system for conditioning intake air flowing into a vehicle interior. The air conditioning system has a primary heat exchanger in thermal communication with a drive unit via a coolant circuit, a compressor, and a secondary heat exchanger which is disposed jointly with the compressor in a refrigerant circuit. The secondary heat exchanger operates as a condenser in a heating mode of the air conditioning system and jointly with the primary heat exchanger gives off heat to the intake air. A control device controls operation of the refrigerant circuit in response to an input by a user. The control device includes an evaluation unit to carry out a comparison between a desired heat supply commensurate with the input by the user and a determined actual heat supply, and generates an output signal for operating the compressor in response to the comparison.12-20-2012
20120279236Reversible Flow Electronic Expansion Vavle - An HVAC system includes an electronic expansion valve having a movable obturator with a truncated tip and a port configured to selectively receive the truncated tip. An electronically controlled expansion valve includes a movable obturator with a truncated tip and a port configured to selectively receive the truncated tip. A method of operating a heat pump HVAC system includes providing an electronically controlled expansion valve comprising an obturator having a truncated tip and flowing refrigerant through the valve.11-08-2012
20130019613MULTI-TYPE AIR CONDITIONER - A multi-type air conditioner includes an outdoor unit disposed at an exterior space, a plurality of indoor units disposed at interior spaces, and a mode conversion unit connected to the outdoor unit and the plurality of indoor units through refrigerant pipes to circulate a refrigerant between the outdoor unit and the plurality of indoor units. The mode conversion unit includes a plurality of supercooling units which are configured to supercool a refrigerant before the refrigerant is introduced to the plurality of indoor units, using a supercooling refrigerant pipe which sequentially passes through at least one of the plurality of supercooling units, so that a refrigerant after having passed through the supercooling unit, is in a state of pure gas while ensuring a desired supercooling degree that is suitable for each indoor unit.01-24-2013
20130167559HEAT PUMP AND CONTROL METHOD THEREOF - Disclosed herein are a heat pump and a control method thereof. The heat pump includes an outdoor unit including a compressor, an outdoor heat exchanger, and a first expansion valve, an indoor unit including an indoor heat exchanger and a second expansion valve, a hydro unit including a hot water heat exchanger and a third expansion valve, the hydro unit heating or cooling water through heat exchange between a refrigerant and the water, a refrigerant flow path switching member to switch refrigerant flow paths among the compressor, the outdoor heat exchanger, the indoor unit, and the hydro unit such that simultaneous heating and cooling operations and/or simultaneous cooling and heating operations through the indoor unit and the hydro unit are performed in a heat recovery mode to recover and reuse residual heat, and a controller to control the refrigerant flow path switching member such that at least one of the simultaneous operations is performed in the heat recovery mode.07-04-2013
20130167558COOLING DEVICE AND METHOD THEREFORE FOR CO2 WASHING MACHINES - The present invention relates to a dry cleaning apparatus comprising an arrangement for cooling fluid being used as solvent in the apparatus, and a method for cooling the fluid. The cooling unit (07-04-2013
20130167560ENERGY-SAVING OPTIMIZED CONTROL SYSTEM AND METHOD FOR REFRIGERATION PLANT ROOM - An energy-saving optimized control system for a chiller plant room comprises an industry control computer (07-04-2013
20130174586DIAGNOSTIC METHOD FOR A REFRIGERATOR AND REFRIGERATOR USING THE SAME - The present disclosure relates to a diagnostic method of a refrigerator using the same, and according to an aspect of the present disclosure, there is provided a diagnostic method of the refrigerator, and the method may include sensing power supplied thereto; determining whether or not a power failure has occurred based on the sensed power; storing power failure occurrence information when it is determined that the power failure has occurred; referring to the power failure occurrence information when the power supply is resumed; storing power failure end information when the power failure occurrence information is found; and providing the power failure occurrence and power failure end information.07-11-2013
20130091873AUTO CONFIGURATION OF REFRIGERATION SYSTEMS IN COLD CHAIN - An environmentally-controlled structure for a cold chain. The structure includes a sensor, an identification reader, an environment implementer, and a controller. The sensor senses a parameter indicative of an environmental condition in the environmentally-controlled structure. The identification reader is positioned relative to the environmentally-controlled structure and reads information about the goods from an identification device associated with the goods. The environment implementer modifies the environmental condition inside the environmentally-controlled structure. The controller receives the indication of the environmental condition inside the environmental control structure from the sensor, receives the information about the goods from the identification reader, and controls the environment implementer to maintain a desired environment inside the environmentally-controlled structure based on the information about the goods and the indication of the environmental condition.04-18-2013
20130091874Variable Refrigerant Flow Cooling System - A variable flow refrigerant system having a compressor and one or a plurality of evaporators. The suction at one or the plurality of evaporators for the input to the compressor is monitored and generally corresponds to the minimum pressure of the refrigerant. The pressure is associated with a temperature and is controlled to always be above the dew point temperature of the room.04-18-2013
20130091872BUCK-BOOST RECTIFIER, REFRIGERATION SYSTEM INCLUDING A BUCK-BOOST RECTIFIER, AND METHOD OF PROVIDING POWER TO A REFRIGERATION UNIT VIA A BUCK-BOOST RECTIFIER - A buck/boost rectifier. The rectifier is connectable to an alternating current power source and includes an upper bus, a lower bus, an upper rectifier, a lower rectifier, a pulse-width-modulation (PWM) controller, a phase-angle (PA) controller, and a capacitor. The upper rectifier is coupled to the upper bus, and the lower rectifier is coupled in a series-type relationship with the upper rectifier and to the lower bus. The PWM controller is coupled to the lower rectifier and is configured to boost a direct current (DC) voltage output by the rectifier. The PA controller is coupled to the lower rectifier and is configured to buck the DC voltage output by the rectifier. The capacitor is coupled between the upper bus and the lower bus.04-18-2013
20130098071Reversible Flow Electric Expansion Valve - An HVAC system includes an electronic expansion valve, a motor, an obturator connected to the motor, the obturator being selectively movable in response to operation of the motor, a removable seat selectively received within a complementary portion of the electronic expansion valve, the removable seat being selectively movable in response to operation of the motor.04-25-2013
20130111930Ejector Cycle05-09-2013
20130111929METHOD FOR INCREASING THE VALVE CAPACITY OF A REFRIGERATION UNIT - A system supplies a fluid to an evaporator of a refrigeration unit and has first and second lines connected to a fluid inlet of the evaporator. The system has an expansion valve with a continuously modifiable first flow cross section, disposed in the first line, the continuously modifiable first flow cross section setting a first mass flow through the first line. A shut-off device is disposed in the second line and switchable discretely between an open position and a closed position. A throttle with a constant second flow cross section is disposed in the second line. A control unit continuously modifies the first flow cross section of the expansion valve and controls the shut-off device as a function of the first flow cross section.05-09-2013
20100287958REFRIGERANT COMPRESSOR - Disclosed is a compressor (11-18-2010
20130152609HEAT PUMP DEVICE, HEAT PUMP SYSTEM, AND A CONTROL METHOD OF THREE-PHASE INVERTER - An adder adds a phase θplus, which is n times a size of 60 degrees, to a phase output from a phase switching unit and outputs the phase as a voltage command phase θ. A voltage generation unit generates voltage command value based on the voltage command phase output by the adder and outputs the command value. A drive-signal generation unit, based on an output from the voltage generation unit generates drive signals corresponding to respective switching elements of an inverter, and outputs respective generated drive signals to the corresponding switching elements of the inverter, and generates a high-frequency AC voltage in the inverter.06-20-2013
20130180266HEAT PUMP SYSTEM - Disclosed are embodiments of heat pump systems and methods for operating such systems in the heating mode while a heat pump operating parameter reaches or is equal to a predetermined operating value at which it is not advisable to use conventional heat pump systems for heating an enclosed structure. In addition to ancillary components, the heat pump systems includes indoor, outdoor and auxiliary heat exchangers, reversing and flow diverting valves, compressors, refrigerant superheat controllers, and auxiliary energy sources. During the heating mode of operation, while the heat pump operating parameter reaches or is equal to the predetermined operating value, the flow of liquid refrigerant through the outdoor heat exchangers is inhibited and is diverted to flow through the auxiliary heat exchangers. Thermal energy from the auxiliary energy source is used for evaporating the liquid refrigerant flowing through the auxiliary heat exchangers.07-18-2013
20130125565SYSTEMS AND METHODS FOR REDUCING ENERGY CONSUMPTION OF A CHILLED WATER DISTRIBUTION SYSTEM - A chilled water distribution system includes a chilled water loop in fluid communication with a plurality of buildings and also in fluid communication with a plurality of chiller stations. A monitoring and control system communicates with one of the chiller stations, hereinafter referred to as a. “controlled” chiller station because it is configured with one or more variable frequency drives that are controlled by the monitoring and control system to modulate the speed of at least one chiller station component such as, but not limited to, a pump or a fan. By way of this modulation process, a differential pressure of the chilled water loop may be maintained in a “sweet spot” so as to optimize chiller station output while minimizing chiller station energy consumption.05-23-2013
20110277487SUPERCOOLING SYSTEM - The present invention relates to a supercooling system which can supply heat to a stored object or generate heat according to a sensed temperature to maintain the stored object in a supercooled state. The supercooling system includes a cooling apparatus including a storing unit storing a stored object, a cooling means cooling the storing unit, and a main control unit receiving external commercial power and controlling the cooling means to maintain the temperature in the storing unit at a temperature below the maximum ice crystal formation zone, and a supercooling apparatus including an independent storage room having a storing space therein to receive a storing container containing a liquid to be supercooled and mounted and cooled in the storing unit, a temperature sensing unit sensing the temperature of the independent storage room, a temperature control means mounted in the independent storage room and controlling the internal temperature such that a temperature of an upper portion of the storing space or the storing container is higher than a temperature of the maximum ice crystal formation zone and a temperature of a lower portion of the storing space or the storing container, and a sub-control unit controlling the temperature control means based on the sensed temperature from the temperature sensing unit to store the liquid in a supercooled state, maintaining the temperature control means in the off state when the temperature of the storing space or the storing container is equal to or higher than a preset temperature-control start temperature, and controlling the temperature control means in the on and off states when the temperature of the storing space or the storing container storage sensing preset temperature-control start temperature.11-17-2011
20130186112Refrigerator unit and/or freezer unit - The present invention relates to a refrigerator unit and/or freezer unit having at least one coolant circuit which has at least one condenser which is connected to at least one damping element which damps vibrations of the condenser and which is arranged between the condenser and at least one part of the unit, wherein the damping element consists of or comprises in part or in full a foamed and/or expanded material, preferably foam, in particular PP or PE, and/or an expanded polymer material, and in particular expanded polypropylene (EPP).07-25-2013
20110302934SUPERCOOLING SYSTEM - The present invention relates to a supercooling system and a method for displaying a supercooled state which can accurately display a supercooled state of a stored object in spite of the external influence. The supercooling system includes a cooling apparatus including a storing unit storing a stored object, a cooling means cooling the storing unit, and a main control unit receiving external commercial power and controlling the cooling means to maintain the temperature in the storing unit at a temperature below at least the maximum ice crystal formation zone, and a supercooling apparatus including an independent storage room having a storing space therein to store an object and mounted and cooled in the storing unit, a temperature sensing unit sensing the temperature of the independent storage room, a temperature control means mounted in the independent storage room and controlling the internal temperature, a display unit displaying the state of the current control, and a sub-control unit controlling the temperature control means based on the sensed temperature from the temperature sensing unit to store the object received in the independent storage room in a supercooled state, and displaying the state of the stored object on the display unit with the proceeding of the cooling of the stored object or the storing space.12-15-2011
20130186111AIR CONDITIONER AND STARTING CONTROL METHOD THEREOF - An air conditioner having a plurality of compressors and a starting control method thereof, where the plurality of compressors is simultaneously started if a starting load of the air conditioner is smaller than a reference load, and the plurality of compressors is sequentially started if the starting load of the air conditioner is larger than the reference load, thereby simultaneously starting the plurality of compressors at a starting load section in which a starting stability of the compressors is secured, and thus capable of enhancing the cooling and heating performance.07-25-2013
20130199212REFRIGERATOR WITH TEMPERATURE CONTROL - An insulated icemaking compartment is provided in the fresh food compartment of a bottom mount refrigerator. The icemaking compartment may be integrally formed with the liner of the fresh food compartment, or alternatively, may be modular for installation anywhere in the fresh food compartment. A removable bin assembly with a front cover normally seals the icemaking compartment to maintain the temperature in the compartment. A cold air duct formed in the rear wall of the refrigerator supplies cold air from the freezer compartment to the icemaking compartment. A return air duct directs a portion of the air from the icemaking compartment back to the freezer compartment. An air vent in the icemaking compartment directs another portion of air into the fresh food compartment. A control system provides for controlling refrigerator functions in a manner that promotes energy efficiency.08-08-2013
20130199211REFRIGERATOR WITH TEMPERATURE CONTROL - An insulated icemaking compartment is provided in the fresh food compartment of a bottom mount refrigerator. The icemaking compartment may be integrally formed with the liner of the fresh food compartment, or alternatively, may be modular for installation anywhere in the fresh food compartment. A removable bin assembly with a front cover normally seals the icemaking compartment to maintain the temperature in the compartment. A cold air duct formed in the rear wall of the refrigerator supplies cold air from the freezer compartment to the icemaking compartment. A return air duct directs a portion of the air from the icemaking compartment back to the freezer compartment. An air vent in the icemaking compartment directs another portion of air into the fresh food compartment. A control system provides for controlling refrigerator functions in a manner that promotes energy efficiency.08-08-2013
20130205806Method and Apparatus for Improving Accuracy of A/C Diagnostic Tests - An apparatus and method are developed to improve accuracy of diagnostic tests for A/C systems. In particular, a refrigerant recovery unit may have its hoses pre-charged with a refrigerant to a predetermined pressure or amount before performing the diagnostic tests on the A/C system of the vehicle. For example, a predetermine amount of refrigerant may be injected into the hoses of the refrigerant recovery unit to pre-charge them. The pre-charged hoses of the refrigerant recovery unit may prevent a refrigerant flow from the A/C system to the hoses connected thereto before the diagnostic tests are implemented and thus, improve the accuracy of the diagnostic tests.08-15-2013
20130205807MOTOR AND SYSTEM CONTROLLER - A beverage cooler has a low voltage DC supply (08-15-2013

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