Class / Patent application number | Description | Number of patent applications / Date published |
062509000 | Condensed liquid receiver, e.g., surge tank | 21 |
20080314075 | Collection Container for a Heat Exchanger and Associated Heat Exchanger - A collection container for a heat exchanger, in particular for a refrigerant condenser of a motor vehicle, the collection container having at least one inlet opening for a fluid, in particular refrigerant, and the collection container having at least one outlet opening for the fluid, in which in addition the outer jacket of the collection container limits a cross-sectional surface of the internal chamber in each of a number of cross-sections regarded perpendicular to the longitudinal direction of the collection container, and in which the surface content of these cross-sectional surfaces of the internal chamber limited by the outer jacket has different sizes in at least two cross-sections situated at a distance from one another in the longitudinal direction of the collection container. | 12-25-2008 |
20090000332 | Electronic Equipment Cooling System - An electronic equipment cooling system of the invention comprises: a heat receiver; a closed refrigerant circulation path (including: the heat receiver; a refrigerant condenser; a refrigerant pump; and a refrigerant tank); and a closed gas circulation path (including: the heat receiver; the refrigerant condenser; and a blower). The heat receiver includes: a heat receiver base contacting a heat generating component; a box; a gas flow space surrounded by the heat receiver base and box; a refrigerant inlet through which a liquid refrigerant dribbles down along an internal surface of the heat receiver base; a liquid refrigerant spreader used for spreading the liquid refrigerant thereacross and having a mesh portion with an opening for passing a vapor of the refrigerant into the gas flow space; a gas inlet through which a gas is fed from the blower; and a gas outlet for venting the gas containing the vapor of the refrigerant. | 01-01-2009 |
20090249827 | REFRIGERATION APPARATUS AND HEAT EXCHANGER USED FOR REFRIGERATION APPARATUS - To provide a refrigeration apparatus and a heat exchanger used for the refrigeration apparatus capable of exhibiting the cooling capacity of the same level even if an alternate refrigerant is used without largely changing constituent parts of a refrigeration cycle. In the refrigeration apparatus according to the present invention, a ratio of the number of tubes of the supercooling section ( | 10-08-2009 |
20090288445 | MODULAR HOUSEHOLD REFRIGERATION SYSTEM AND METHOD - A modular household refrigeration system and method includes a refrigerated source of a primary coolant. The refrigerated source includes a tank for holding the primary coolant and a vapor compression refrigeration cycle system having a secondary coolant in thermal contact with the primary coolant for cooling thereof. At least one refrigerator module is remotely positioned relative to the refrigerated source and the tank. The at least one refrigerator module is fluidly connected to the refrigerated source and the tank by an inlet coolant line for delivery of the primary coolant and an exit coolant line for return of the primary coolant. The primary coolant is delivered to the at least one refrigerator module for cooling thereof to a predetermined temperature. | 11-26-2009 |
20100206002 | REFRIGERATION CIRCUIT - A refrigeration circuit having a system charge and a system charge storage area. The system charge area has a condenser having a set of micro-channel heat exchanger coils. The condenser is appropriately sized to receive a first volume of the system charge. There is a compressor for compressing the system charge from an expanded state to a compressed state. There is a sealed refrigerant charge holding area fluidly connected to the condenser and the compressor. The sealed refrigerant charge holding area is appropriately sized for storing a second volume of the system charge during a system pumpdown. A receiver is fluidly connected to the sealed refrigerant charge holding area. The receiver is appropriately sized to receive a third volume of the system charge during a system pumpdown. | 08-19-2010 |
20100281914 | CHILLED WATER SKID FOR NATURAL GAS PROCESSING - An improved chilled water skid for natural gas processing is provided. The skid includes an apparatus for out a refrigeration cycle. The apparatus includes an evaporator, a compressor, a condenser, a refrigerant reservoir and a control valve positioned downstream of the compressor and upstream of the refrigerant reservoir. The control valve is configured to regulate a pressure on a downstream side of the compressor. | 11-11-2010 |
20110048065 | De-Aerating Flow Straightener For Cooling System - A liquid coolant flow straightener is provided for use with a cooling system to at least partially straighten flow of liquid coolant, promoting de-aeration of the liquid coolant. | 03-03-2011 |
20120125041 | Refrigeration Cycle - Provided is a refrigeration cycle suitable for an air conditioning system for vehicles, wherein a flow rate of refrigerant which is used to estimate a torque of a compressor can be precisely estimated by accurately detecting a difference between pressures at upstream and downstream sides of an orifice having a high correlation with the refrigerant flow rate, and ultimately, the torque of the compressor can be precisely estimated, and the estimation can be achieved while achieving space saving and cost down. Disclosed is a refrigeration cycle which has a subcool condenser integrally provided with a condensing part for refrigerant, a liquid receiver and a subcooling part, and wherein an orifice for throttling the flow of refrigerant which has passed through the condensing part of the subcool condenser is disposed, a pressure difference detection means capable of detecting a difference between pressures at upstream and downstream sides of the orifice is provided, and provided are a refrigerant flow rate estimation means for estimating a flow rate of the refrigerant with reference to the detected pressure difference and a compressor torque estimation means for estimating a torque of the compressor with reference to the estimated flow rate of the refrigerant. | 05-24-2012 |
20120137725 | CONDENSER FOR VEHICLE - A condenser for a vehicle includes an integrally formed receiver-drier and a plurality of stacked plates. The condenser may be used in an air conditioning having an expansion valve expanding liquid refrigerant, an evaporator evaporating the refrigerant expanded at the expansion valve through heat-exchange with air, and a compressor receiving from the evaporator and compressing gaseous refrigerant, may be provided between the compressor and the expansion valve, and may circulate coolant supplied from a radiator so as to condense the refrigerant supplied from the compressor through heat-exchange with the coolant and the refrigerant. | 06-07-2012 |
20120247148 | CO2 REFRIGERATION SYSTEM FOR ICE-PLAYING SURFACE | 10-04-2012 |
20120297820 | COMBINED HEAT EXCHANGER SYSTEM - A combined heat exchanger system includes a first heat exchanger for cooling a first cooling medium, a second heat exchanger for cooling a second cooling medium, and a compressor for compressing the first cooling medium to be supplied to the first heat exchanger. The first heat exchanger is separated from the second heat exchanger, being integrally assembled with the compressor in such a way that the first compressor can be directly and fluidically connected with the compressor. The first heat exchanger liquid-cools the first cooling medium, which is outputted from the compressor, by using the second cooling medium that is cooled by the second heat exchanger. | 11-29-2012 |
20130219953 | COOLANT CONDENSER ASSEMBLY - In a coolant condenser assembly for a motor vehicle air conditioning system, comprising cooling pipes for conducting a coolant through, two collecting pipes for fluidically connecting the cooling pipes, a collecting container with an upper cover wall and a lower bottom wall and a side wall as well as with an inlet opening for conducting the coolant into the collecting container and an outlet opening for conducting the coolant out of the collecting container, with the result that through the inlet and outlet openings the collecting container is fluidically connected to the collecting pipe and/or the cooling pipes, the collecting container comprises an outlet chamber and a riser pipe, and the outlet opening opens into the outlet chamber, and the outlet chamber is connected to the riser pipe and a storage chamber for the coolant is formed within the collecting container and outside the outlet chamber and outside the riser pipe, the collecting container preferably has an inlet chamber and a downpipe, and the inlet opening opens into the inlet chamber and the inlet chamber is connected to the downpipe and the storage chamber is formed outside the inlet chamber and outside the downpipe, the cooling pipes have a superheating region for cooling the vaporous coolant, a condensation region for condensing the coolant and a supercooling region for cooling the liquid coolant, wherein the supercooling region is formed above the superheating region and above the condensation region, the intention is that little coolant will be present in flow spaces in the collecting container. This object is achieved in that the height of the storage chamber is greater than the distance between the lower floor wall and the inlet and/or outlet openings. | 08-29-2013 |
20140096561 | SEALED COMPRESSOR AND REFRIGERATION CYCLE DEVICE - According to one embodiment, a sealed compressor is configured to suction a working fluid to a rotary compression mechanism section through a suction pipe extending into an accumulator. The sealed compressor has a relation of Aac/Acy≦4, Vac/Vcy≧20, and As/Acy≧0.12 when an inner diameter cross-sectional area of the accumulator is denoted by Aac (mm | 04-10-2014 |
20140157821 | RECEIVER TANK PURGE IN VAPOR COMPRESSION COOLING SYSTEM WITH PUMPED REFRIGERANT ECONOMIZATION - A cooling system includes a cooling circuit having an evaporator, a condenser, a compressor, an expansion device, a liquid pump, and a receiver/surge tank coupled between the condenser and the liquid pump. The cooling system has a direct expansion mode and a pumped refrigerant economizer mode. When the cooling system switches from the direct expansion mode to the pumped refrigerant economizer mode, refrigerant is flushed from the refrigerant/surge tank so that the cooling circuit is overcharged when it begins operating in the pumped refrigerant economizer mode. | 06-12-2014 |
20140360223 | REFRIGERATION APPARATUS - In an air-conditioning apparatus, refrigerant flows sequentially through a compressor, an outdoor heat exchanger, expansion mechanisms, and an indoor heat exchanger during a cooling operation, and refrigerant flows sequentially through the compressor, the indoor heat exchanger, the expansion mechanisms, and the outdoor heat exchanger during a heating operation. Capacity of the outdoor heat exchanger is 30% to 90% of the indoor heat exchanger. The expansion mechanisms include an upstream-side and downstream-side expansion mechanisms depressurizing refrigerant from high to intermediate pressure, and from intermediate to low pressure in the refrigerant cycle, respectively. The refrigerant is R32. A refrigerant storage tank that stores the intermediate pressure refrigerant is provided between the upstream-side and downstream side expansion mechanisms. The refrigerant storage tank stores an excess refrigerant produced during the cooling operation due to capacity of the outdoor heat exchanger relative the indoor heat exchanger. | 12-11-2014 |
20150040610 | Method and Apparatus for improving refrigeration and air conditioning efficiency - A method and apparatus for improving refrigeration and air conditioning efficiency for use with a heat exchange system having a compressor, condenser, evaporator, expansion device, and circulating refrigerant. The apparatus includes is a liquid refrigerant containing vessel having a refrigerant entrance and a refrigerant exit with the vessel positioned in the heat exchange system between the condenser and the evaporator, and means for creating a turbulent flow of liquefied refrigerant. The apparatus further preferably includes a refrigerant bypass path to sub-cool a portion of the refrigerant within the vessel; a disk positioned at the liquid refrigerant entrance to develop a low pressure area on the back side and create a turbulent flow of refrigerant entering the vessel; and a refrigerant valve incorporated into the refrigerant path downstream of the expansion valve and before the coil which develops a vortex that continues through the refrigerant coil. | 02-12-2015 |
20150135766 | Method and apparatus for improving refrigeration and air conditioning efficiency - A method and apparatus for improving refrigeration and air conditioning efficiency for use with a heat exchange system having a compressor, condenser, evaporator, expansion device, and circulating refrigerant. The apparatus includes is a liquid refrigerant containing vessel having a refrigerant entrance and a refrigerant exit with the vessel positioned in the heat exchange system between the condenser and the evaporator, and means for creating a turbulent flow of liquefied refrigerant. The apparatus further preferably includes a refrigerant bypass path to sub-cool a portion of the refrigerant within the vessel; a disk positioned at the liquid refrigerant entrance to develop a low pressure area on the back side and create a turbulent flow of refrigerant entering the vessel; and a refrigerant valve incorporated into the refrigerant path downstream of the expansion valve and before the coil which develops a vortex that continues through the refrigerant coil. | 05-21-2015 |
20160010906 | RECEIVER | 01-14-2016 |
20160033184 | PURGING APPARATUS - A purging apparatus for removing a non-condensable gas from a refrigeration system is described and which includes a low temperature liquid refrigerant storage tank for enclosing refrigerant, which is supplied by the refrigeration system, and a condenser having a main body, which lies in conductive heat transferring relation relative to an exterior facing surface of the storage tank and progressively to the low temperature liquid refrigerant within, and wherein the condenser, is maintained at a reduced temperature by the low temperature liquid refrigerant enclosed within the storage tank, and wherein foul gas generated by the refrigeration system is processed by the condenser in a manner so as to remove non-condensed refrigerant, and return the condensed refrigerant to the storage tank while releasing non-condensable gases to the ambient environment. | 02-04-2016 |
20160091230 | Method and Apparatus for improving refrigeration and air conditioning efficiency - A method and apparatus for improving refrigeration and air conditioning efficiency for use with a heat exchange system having a compressor, condenser, evaporator, expansion device, and circulating refrigerant. The apparatus includes is a liquid refrigerant containing vessel having a refrigerant entrance and a refrigerant exit with the vessel positioned in the heat exchange system between the condenser and the evaporator, and means for creating a turbulent flow of liquefied refrigerant. The apparatus further preferably includes a refrigerant bypass path to sub-cool a portion of the refrigerant within the vessel; a disk positioned at the liquid refrigerant entrance to develop a, low pressure area on the back side and create a turbulent flow of refrigerant entering the vessel; and a refrigerant valve incorporated into the refrigerant path downstream of the expansion valve and before the coil which develops a vortex that continues through the refrigerant coil. | 03-31-2016 |
20160102896 | Efficiency enhancing apparatus and methods for a heat exchange system - A method and apparatus for improving refrigeration and air conditioning efficiency for use with a heat exchange system having a compressor, condenser, evaporator, expansion valve, and circulating refrigerant. The apparatus includes a liquid refrigerant containing vessel having a refrigerant entrance and a refrigerant exit with the vessel positioned in the heat exchange system between the condenser and the evaporator, and means for creating a turbulent flow of liquefied refrigerant. The apparatus further preferably includes a refrigerant bypass path to sub-cool a portion of the refrigerant within the vessel; a disk positioned at the liquid refrigerant entrance to develop a low pressure area on the back side and create a turbulent flow of refrigerant entering the vessel; and a refrigerant valve incorporated into the refrigerant path downstream of the expansion valve and before the coil which develops a vortex that continues through the refrigerant coil. | 04-14-2016 |