| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 062335000 | PLURAL PAIRED DIFFERENT FUNCTION REFRIGERATION PRODUCING ELEMENTS, E.G., CASCADE | 35 |
| 20080289354 | Method for Controlling Temperature in Multiple Compartments for Refrigerated Transport - A refrigerated transport system includes a prioritizing algorithm to limit the maximum amount of refrigerant flow available to at least one limited cooling compartment by holding a delta T (difference between the supply air temperature and return air temperature) instead of a setpoint temperature in the at least one limited cooling compartment when the available cooling capacity is insufficient to hold a substantially constant temperature in all compartments. A method for creating multiple refrigerated compartment spaces having precision temperature control includes the steps of: prioritizing the compartments by identifying at least one priority compartment to be held at a setpoint temperature; and limiting refrigerant flow to all but the priority compartment when there is insufficient cooling capacity to maintain all compartments at their respective setpoint temperatures. | 11-27-2008 |
| 20090000328 | Modular Cooling System and Refrigeration Device for Such a System - The invention relates to a cooling system ( | 01-01-2009 |
| 20090000329 | Cooling System - A cooling system suitable for cooling food on board an aircraft is provided which includes a chiller device and a first cooling circuit which is adapted to feed cooling energy generated by the chiller device to at least one cooling station, the chiller device includes a second cooling circuit formed separately from the first cooling circuit and is thermally coupled to the first cooling circuit. | 01-01-2009 |
| 20090019878 | REFRIGERATION CIRCUIT WITH IMPROVED LIQUID/VAPOUR RECEIVER - Refrigeration circuit comprising a compressor, a heat-rejecting heat exchanger an expansion valve, a receiver ( | 01-22-2009 |
| 20090019879 | Refrigeration System - A refrigerant circuit ( | 01-22-2009 |
| 20090113917 | REFRIGERATION APPARATUS - There is disclosed a refrigeration apparatus including a cascade heat exchanger and capable of reducing the depth dimension of the apparatus itself without being influenced by the thickness dimension of an insulating material for covering the cascade heat exchanger, so that the apparatus can easily be carried indoors through a usual carrying entrance. In a refrigeration apparatus | 05-07-2009 |
| 20090126389 | REFRIGERATION APPARATUS - There is disclosed a refrigeration apparatus capable of quickly collecting, in an expansion tank, a refrigerant in a refrigerant circuit during the stop of a compressor and capable of decreasing a load to be applied to the compressor during restart. A refrigeration apparatus | 05-21-2009 |
| 20090205355 | REFRIGERATING APPARATUS - In a refrigerating apparatus using a refrigerant so that the refrigerant discharged from a compressor becomes a supercritical state, a refrigerating ability runs short. Therefore, to rapidly perform cooling, the amount of the refrigerant to be filled has to be increased. On the other hand, another problem occurs that a large amount of excessive refrigerant is generated in a refrigerant circuit when where the refrigerating apparatus is sufficiently cooled. In the present invention, a refrigerating circuit in which a compressor, a gas cooler, a first pressure reducing unit and an evaporator are successively annularly connected to one another via pipes includes a second pressure reducing unit and a liquid receiver between the gas cooler and the first pressure reducing unit, and the liquid receiver is connected to the suction port of the compressor via a pipe. Then, the opening/closing degree of the second pressure reducing unit is controlled in accordance with a pressure difference between the discharge-side pressure of the compressor and the suction-side pressure thereof, whereby the amount of the refrigerant to be circulated is increased when the refrigerating ability runs short, and the excessive refrigerant is received in the liquid receiver when the refrigerating ability becomes excessive, so that the amount of the refrigerant to be circulated can be adjusted. | 08-20-2009 |
| 20090266100 | CLOSED AND OPEN LOOP CRYOGENIC REFRIGERATION SYSTEM - A temperature-controlled vehicle including a cascade refrigeration system having a booster cooling line configured to supplement the cooling capacity of the cascade refrigeration system by expanding and venting a portion of a cryogenic refrigerant to the atmosphere during peak demands while the cascade refrigeration system continues to operate. | 10-29-2009 |
| 20090282854 | AIR CONDITIONING SYSTEM - An air conditioning system includes a refrigerant circuit ( | 11-19-2009 |
| 20090314023 | Heating, Ventilating and/or Air Conditioning System With Cold Air Storage - The invention relates to a heating, ventilating and/or air conditioning system with a main air conditioning loop ( | 12-24-2009 |
| 20100043476 | Cooling Device Having Three Temperature Zones - A cooling device is provided having three storage zones that are insulated from each other and cooled via evaporators through which a coolant flows. A first coolant circuit extends through a first and a second of the three storage zones and a second coolant circuit positioned parallel to the first coolant circuit extends through the first and the third of the storage zones. | 02-25-2010 |
| 20100126200 | REFRIGERATOR AND METHOD OF CONTROLLING THE SAME - A refrigerator is provided. The refrigerator may include first and second refrigerant paths that separately distribute refrigerant, a first cooling chamber connected with a first cold air duct, a second cooling chamber connected with a second cold air duct, and a third cooling chamber connected with a third cold air duct. Cold air generated by a first evaporator is provided to the first cold air duct to cool the first cooling chamber, cold air generated by a second evaporator, which receives refrigerant from the first evaporator, is provided to the second cold air duct to provide concentrated cooling to the second cooling chamber, and cold air generated by a third evaporator is provided to the third cold air duct to cool the third cooling chamber. | 05-27-2010 |
| 20100147006 | REFRIGERANT SYSTEM WITH CASCADED CIRCUITS AND PERFORMANCE ENHANCEMENT FEATURES - An improved refrigerant system incorporates at least two circuits arranged in a cascaded relationship. Preferably, the upper circuit utilizes a hydrocarbon refrigerant and preferably the lower circuit utilizes CO | 06-17-2010 |
| 20100229587 | AIR CONDITIONING SYSTEM - An air conditioning system includes a first circulation module and a second circulation module. Two circulation modules are joined by a heat exchanger. The first circulation is a modular refrigeration system includes a compressor, expansion device, and heat exchangers. The second circulation module includes a main liquid refrigerant tank, a number of distributed liquid refrigerant tanks, liquid pumps and a plurality of indoor units which includes a heat exchange device and a vapor propelling device. The heat exchange device is connected to the main liquid tank. The vapor propelling device propels the working fluid in a saturated vapor state to the first heat exchanger, thus forming a working fluid loop. It can be switched between the heating and cooling modes. | 09-16-2010 |
| 20100300135 | REFRIGERATING APPARATUS - A refrigerating apparatus including a first refrigeration cycle circuit having a first compressor, a first radiator, a supercooler, a first pressure-reducing device and an evaporator that are connected through a refrigerant pipe, a second refrigeration cycle circuit having a second compressor, a second radiator, a second pressure-reducing device and the supercooler that are connected through a refrigerant pipe, a refrigeration unit in which the first compressor and the first radiator are mounted, a showcase in which the first pressure-reducing device and the evaporator are mounted, a supercooling hot water supply device in which the second compressor, the second radiator, the second pressure-reducing device and the supercooler are mounted, and a hot-water stock device having a hot water supply tank that is connected to the second radiator of the supercooling hot water supply device through a second radiator. | 12-02-2010 |
| 20110061419 | REFRIGERATION SYSTEM - A refrigeration system includes a first portion having a primary loop and a secondary loop operably coupled by a first chiller, The primary loop circulates a refrigerant through the first chiller to provide cooling to a coolant in the secondary loop. The secondary loop has a supply portion and a return portion, the supply portion circulates the coolant to one or more temperature-controlled storage devices operating at a first temperature. A second portion has a primary loop and at least one secondary loop operably coupled by the second chiller. The primary loop circulates a refrigerant through the second chiller to provide cooling to coolant in the secondary loop. The secondary loop has a supply portion and a return portion, the supply portion circulates the coolant to one or more temperature-controlled storage devices operating at a second temperature. The return portion of the secondary loop of the first portion and the return portion of the secondary loop of the second portion share a common return header. | 03-17-2011 |
| 20110094251 | DUAL TURBO CENTRIFUGAL CHILLER - A dual turbo centrifugal chiller includes: first and second evaporators connected in series or in parallel; first and second condensers connected in series or in parallel; and first and second compressors including impellers, wherein cold water passes through the second evaporator after passing through the first evaporator, and cooling water passes through the second condenser after passing through the first condenser, the first compressor containing a refrigerant connects the first condenser to the second evaporator, and the second compressor containing a refrigerant connects the second condenser to the first evaporator, and the impellers of the first compressor and second compressor are rotated simultaneously using a single driving unit. | 04-28-2011 |
| 20110308270 | DUAL AIR CONDITIONER FOR VEHICLE - The present invention relates to a dual air conditioner for a vehicle, which includes a rear high-temperature pipe that is connected to a rear expansion valve of a rear air conditioner and installed in such a way as to be directly branched from a dual pipe type internal heat exchanger of a front air conditioner, thereby reducing the number of required components and simplifying the manufacturing process with no need to use a connector for branching the rear high-temperature pipe from the front air conditioner, and enhancing a refrigerant movement and reducing material expenses and working process by simplifying piping work and a piping route. | 12-22-2011 |
| 20120017625 | THERMAL MANAGEMENT SYSTEMS - A system including a primary evaporator facilitating heat transfer by evaporating liquid to obtain vapor is disclosed. The primary evaporator receives a liquid from a liquid line and outputs the vapor to a vapor line. The primary evaporator also outputs excess liquid received from the liquid line to an excess fluid line. A condensing system receives the vapor from the vapor line, and outputs the liquid and excess liquid to the liquid line. The excess liquid is obtained at least partially from a reservoir. A primary loop includes the condensing system, the primary evaporator, the liquid line, and the vapor line, and provides a heat transfer path. Similarly, a secondary loop includes the condensing system, the primary evaporator, the liquid line, the vapor line, and the excess fluid line. The secondary loop provides a venting path for removing undesired vapor within the liquid or excess liquid from the primary evaporator. | 01-26-2012 |
| 20120234034 | HEAT GENERATING BODY BOX HOUSING REFRIGERATION DEVICE - A heat generating body box housing refrigeration device includes a first refrigerant cycle in which a first condenser and a first evaporator are connected by a first refrigerant liquid pipe and a first refrigerant steam pipe and a second refrigerant cycle in which a second condenser and a second evaporator are connected by a second refrigerant liquid pipe and a second refrigerant steam pipe. The first refrigerant liquid pipe is connected between a first joint and a second joint, the first refrigerant steam pipe is connected between a third joint and a fourth joint, the second refrigerant liquid pipe is connected between a fifth joint and a sixth joint, and the second refrigerant steam pipe is connected between a seventh joint and an eighth joint. | 09-20-2012 |
| 20120240610 | Cooling device with controllable evaporation temperature - A cooling device for cooling a test sample has at least two cascade cooling stages, each with at least one coolant line, one compressor ( | 09-27-2012 |
| 20120304682 | Absorption Cycle System Having Dual Absorption Circuits - An absorption cycle system utilizes an additional absorption circuit in conjunction with a traditional absorption circuit. The absorbent used in the additional absorption circuit could contain an ionic compound, or any absorbent with relatively low crystallization. Mixtures of such absorbent with water remain liquid at temperatures lower than the minimum feasible operating temperature of the traditional lithium bromide water absorbent solutions of the prior art. | 12-06-2012 |
| 20130104589 | Air Conditioner with Series/Parallel Secondary Evaporator and Single Expansion Valve | 05-02-2013 |
| 20130180278 | REFRIGERATING APPARATUS - A refrigerating apparatus includes a high temperature side first cycle; a high temperature side second cycle; a low temperature side cycle in which carbon dioxide is used as a refrigerant; a first cascade condenser and a second cascade condenser, which each exchange heat between a high temperature side refrigerant and a low temperature side refrigerant; and a control unit lowering an evaporation temperature of a high temperature side evaporator in correspondence to the flow of the low temperature side refrigerant. | 07-18-2013 |
| 20130199232 | HIGH PERFORMANCE FREEZER HAVING CYLINDRICAL CABINET - A high performance freezer includes a deck and a cabinet supported above the deck and having a cabinet housing defining a generally cylindrical shape. The freezer includes a door supported by the cabinet housing that moves between open and closed positions by sliding or pivoting generally along the side wall of the cabinet. The freezer further includes a refrigeration system mounted at least partially within the deck and partially within the cabinet to refrigerate an inner chamber of the freezer. The cylindrical shape of the cabinet enables rotation of shelves within the inner chamber and a maximized storage space with a minimal floor space required. | 08-08-2013 |
| 20130327078 | DUAL EVAPORATOR REFRIGERATION SYSTEM USING ZEOTROPIC REFRIGERANT MIXTURE - A dual evaporator refrigerator appliance includes a compressor, a condenser, a first evaporator, a second evaporator and a separating component coupled to the condenser and an input of the first evaporator and an input of the second evaporator and configured to separate a refrigerant stream received by the condenser into a first refrigerant stream and a second refrigerant stream. The refrigerant stream received by the separating component comprises a zeotropic refrigerant mixture. The first evaporator and the second evaporator are configured to substantially simultaneously receive the first refrigerant stream and the second refrigerant stream, respectively. | 12-12-2013 |
| 20140013790 | CASCADE REFRIGERATION CYCLE APPARATUS - According to one embodiment, a cascade refrigeration cycle apparatus according to the present embodiment includes a high-temperature-side and a low-temperature-side refrigeration circuits, an inverter and a control section. The high-temperature-side refrigeration circuit includes a first compressor and a cascade heat exchanger. The low-temperature-side refrigeration circuit includes a second compressor and the cascade heat exchanger. The inverter connected to at least one of the compressors. The control section controls the inverter so that a set operating frequency for the first compressor is higher than a set operating frequency for the second compressor when an operation of the apparatus is started. | 01-16-2014 |
| 20140130536 | REFRIGERATION APPLIANCE WITH TWO EVAPORATORS IN DIFFERENT COMPARTMENTS - A refrigerator having a refrigerating circuit with a compressor, a condenser and two evaporators placed in different compartments of the appliance comprises valve means for alternatively directing refrigerant flow towards one of the evaporators. One of the evaporators is in heat exchange relationship with a phase change material | 05-15-2014 |
| 20140165642 | COMBINED CASCADE REFRIGERATION CYCLE APPARATUS - According to one embodiment, an apparatus includes a housing, two high-temperature-side refrigeration circuits and two low-temperature-side refrigeration circuits. Each of the high-temperature-side refrigeration circuits is configured to exchange heat with both of the two low-temperature-side refrigeration circuits by cascade heat exchangers. A hot-water pipe letting water or hot water through water-refrigerant heat exchangers of the high-temperature-side refrigeration circuits is provided. When the low-temperature-side refrigeration circuit conducts a defrosting operation of the evaporator, the low-temperature-side refrigeration circuits are controlled in such a way that the low-temperature-side refrigerant circuit releases heat in the cascade heat exchanger. | 06-19-2014 |
| 20140260405 | AIR-CONDITIONING APPARATUS - When a first temperature difference is the difference between an inlet temperature of a first refrigerant and an outlet temperature of the first refrigerant in the heat exchanger for heating, and a second temperature difference is the difference between an inlet temperature of a second refrigerant and an outlet temperature of the second refrigerant in the heat exchanger for heating, the difference between the first temperature difference and the second temperature difference is held in a predetermined value or less by controlling the opening degree of a second expansion device. | 09-18-2014 |
| 20150121940 | REFRIGERATION CYCLE OF REFRIGERATOR - Provided is a refrigeration cycle of a refrigerator. The refrigeration cycle of a refrigerator including a first refrigeration cycle in which a first refrigerant flows along a first refrigerant tube and a second refrigeration cycle in which a second refrigerant flows along a second refrigerant tube includes first and second compressors compressing each of the first and second refrigerants into a high-temperature high-pressure gaseous refrigerant, a combined condenser condensing each of the first and second refrigerants passing through the first and second compressors into a high-temperature high-pressure liquid refrigerant, first and second expansion valves phase-changing each of the first and second refrigerants passing through the combined condenser into a low-temperature low-pressure two-phase refrigerant, and first and second evaporators changing the refrigerant passing through each of the first and second expansion valves into a low-temperature low-pressure gaseous refrigerant. | 05-07-2015 |
| 20150143836 | COMBINATION PHASE SEPARATOR AND DRIER FOR A REFRIGERATION APPLIANCE - A device is provided for a refrigeration system that separates liquid and vapor phases of the refrigerant while also drying the liquid phase to remove water. The phase separator and drier are provided integrally as part of the same device. The device can be used with e.g., dual evaporator refrigeration systems and both single and multi-component refrigerants. Improved efficiencies in space and plumbing so as to reduce costs can be achieved. | 05-28-2015 |
| 20160084543 | OVERLAPPING TYPE FREEZING-FORCE CIRCULATION REFRIGERATION UNIT (HIGH PRESSURE SIDE) - This invention is about a cascade cold dynamic cycle refrigeration apparatus, which makes up cold energy with cryogenic liquid refrigerant by boosting with a dual-stage liquid circulating pump, after its temperature is increased via the cold regenerator, it enters the cold consuming apparatus to provide cold and becomes a gaseous refrigerant, then it flows through the expander to expand and make work by reducing pressure and temperature, and then returns to the refrigerant tank via the cold regenerator or/and throttle valve. This invention requires no circulation cooling water system as in a traditional vapor compression refrigeration apparatus, so its maintenance and operation cost can be substantially reduced, with a apparatus of the same refrigerating capacity, it can save energy by more than 30% as compared with traditional ones, as compared with traditional refrigerating circulation technology, it can adopt enhanced cold transfer elements more conveniently, with more compact refrigerating equipment and higher refrigerating efficiency. | 03-24-2016 |
| 20160178246 | REFRIGERATION APPARATUS | 06-23-2016 |
