Class / Patent application number | Description | Number of patent applications / Date published |
062513000 | Heat exchange between diverse function elements | 44 |
20080202157 | INTERNAL HEAT EXCHANGER FOR AUTOMOTIVE AIR CONDITIONER - An internal heat exchanger for an automotive air conditioner which is capable of securing length of the internal heat exchanger necessary for heat exchange by a double pipe even when an evaporator and an expansion valve are disposed where the distance to a partition wall is short. Between an expansion valve and evaporator, and a partition wall, a first double pipe is disposed which is formed by surrounding an inner pipe connected to an inlet port of the expansion valve with an outer pipe connected to an outlet port of the evaporator, and a second double pipe is disposed within an engine room which is formed by surrounding an inner pipe with an outer pipe, in a manner extended from the first double pipe. The first double pipe and the second double pipe are connected by a pipe connecting member such that the connecting portions of the pipes are prevented from disconnection. | 08-28-2008 |
20080223074 | REFRIGERATION SYSTEM - Refrigeration systems are provided which include a first refrigeration system and a second refrigeration system that share a common heat exchanger. The heat exchanger includes a vessel that operates as a condenser for the second refrigeration system. A coil disposed in the vessel operates as an evaporator for the first refrigeration system. A method of operating a refrigeration system is also provided that includes exchanging energy between the refrigerant of the first refrigeration system and the refrigerant of the second refrigeration system. | 09-18-2008 |
20080229782 | Refrigerating Apparatus - An outside air temperature sensor ( | 09-25-2008 |
20080245098 | Refrigerant cycle device - A refrigerant cycle device capable of preventing inflow of a liquid refrigerant into a compressor and having a compact structure is disclosed. The refrigerant cycle device includes a compressor, a gas cooler, a pressure reducing device, an evaporator, and a heat exchanger to heat-exchange a refrigerant discharged from the gas cooler and a refrigerant discharged from the evaporator. The heat exchanger includes a first passage connected to an outlet of the gas cooler and a second passage connected to an outlet of the evaporator. The refrigerant in the first passage flows downward, and the refrigerant in the second passage flows upward. | 10-09-2008 |
20080264098 | Heat Exchanger, Air Conditioning Device Equipped with Heat Exchanger, and Air Property Converter - A heat exchanger has multiple laminated fins | 10-30-2008 |
20080314076 | Heat Exchanger - An evaporator includes a pair of header tanks arranged one above the other at a spacing, a plurality of heat exchange tubes arranged in parallel between the pair of header tanks and having opposite ends joined to the respective header tanks, and fins arranged between respective left-to-right adjacent pairs of heat exchange tubes. The lower header tank includes a tank forming member and a tube connecting plate joined to the tank forming member. The tube connecting plate has a plurality of drain guides arranged at a spacing in a left-right direction. The drain guides each include a cutout portion formed in an upper surface cover portion of the tube connecting plate for covering the upper surface of the tank forming member to a side cover portion of the plate for covering a side face of the member. The amount of condensation water to be collected on the top surface of the lower tank can be diminished. | 12-25-2008 |
20080314077 | Cooler For Transformer Using Generation Cycle - The present invention relates to a cooler for a transformer using a generation cycle to eliminate the heat applied to the transformer. The insulation oil heated in the transformer gasifies the refrigerant in the refrigerant boiler and the insulation oil is cooled by the latent heat of evaporation of the refrigerant. The gasified refrigerant exhausts out the heat in the condenser and it becomes liquefied. The liquefied refrigerant returns to the refrigerant boiler by the refrigerant feeding pump or by gravity. The present invention is very effective with respect to operating cost and reliability. | 12-25-2008 |
20080314078 | ENGINE-MACHINE AND EXPANDER HEAT EXCHANGER UNIT - A heat exchanger unit is disclosed, the heat exchanger unit including a first tube element unit, a second tube element unit, and an engine machine apparatus having an expansion step unit and a compression step unit. Each of the tube element units is adapted to condition a fluid flowing therethrough. Desirably, the fluid is compressed in the compression step unit and expanded in the expansion step unit in such a manner that technical operation is transferred from the expansion step unit to the compression step unit so that an inner recovery of energy is made possible. | 12-25-2008 |
20090007590 | Refrigeration System - The low-side pressure of a refrigeration cycle and the refrigerant temperature at the exit of a gas cooler under reference operating conditions are employed as a reference low pressure and a reference refrigerant temperature, respectively, and the high-side pressure of the refrigeration cycle at which the COP of the refrigeration cycle reaches a maximum value under the reference operating conditions is employed as a reference high pressure. In this case, the volume v | 01-08-2009 |
20090007591 | SUB-COOLING UNIT FOR COOLING SYSTEM AND METHOD - A system for cooling a medium includes a line having coolant flowing therein, and a sub-cooling unit in fluid communication with the line. The sub-cooling unit receives a portion of the coolant diverted from the line to cool coolant flowing in the line. A method of cooling a medium is further disclosed. | 01-08-2009 |
20090056370 | AIR CONDITIONING SYSTEM FOR COMMUNICATION EQUIPMENT AND CONTROLLING METHOD THEREOF - An air conditioning system for communication equipment includes an indoor module placed inside a base station and an outdoor module placed outside the base station. The indoor module has a first indoor heat exchanger installed on a brine pipe and having a heat exchange tube, an expansion valve installed on a refrigerant pipe, a second indoor heat exchanger having a heat exchange tube to which the refrigerant pipe is connected, a compressor for compressing refrigerant, and an indoor blower. The outdoor module has a brine pump installed on the brine pipe, a first outdoor heat exchanger having a heat exchange tube to which the brine pipe extending from the brine pump and the first indoor heat exchanger is connected, a second outdoor heat exchanger having a heat exchange tube to which the refrigerant pipe, extending from the compressor and the expansion valve, is connected, and an outdoor blower. | 03-05-2009 |
20090133436 | EFFICIENT HEAT EXCHANGER FOR REFRIGERATION PROCESS - Aspects of the invention are found in a heat exchanger. The heat exchanger includes a fluid inlet manifold, a fluid outlet manifold, a plurality of heat transfer channels configured to communicate with the fluid inlet manifold and the fluid outlet manifold, and packing located within the fluid inlet manifold. Further aspects of the invention are found in a refrigeration system. The refrigeration system includes a compressor and at least one heat exchanger coupled to the compressor. The at least one heat exchanger includes a header, packing located in the header, and a heat transfer channel. The heat transfer channel is configured to receive fluid passing through the header and the packing. | 05-28-2009 |
20090288446 | SUCTION PIPE ASSEMBLY AND MANUFACTURING METHOD THEREOF - Provided is a suction pipe assembly with improved heat conductivity and a manufacturing method thereof. The suction pipe assembly includes a suction pipe, a capillary, a heat transmission pipe, and an adhesive agent. The suction pipe is disposed between a compressor and an evaporator and guides a refrigerant ejected from the evaporator to the compressor in a cooling system executing cooling by circulating the refrigerant and including the compressor, the condenser and the evaporator. The capillary is disposed between the condenser and the evaporator and guides the refrigerant ejected from the condenser to the evaporator. The heat transmission pipe includes the capillary inside and a contact portion for widening a contact area to the suction pipe outside to tightly contact the suction pipe. The adhesive agent is interposed between an external surface of the suction pipe and the contact portion to connect the heat transmission pipe with the suction pipe. | 11-26-2009 |
20100018246 | INTERNAL HEAT EXCHANGER ASSEMBLY - An internal heat exchanger assembly for an air conditioning system, having a housing defining a cylindrical with opposing ends. The ends are sealed with end caps having inlets/outlets. A helical coil tube is coaxially disposed within the cylindrical cavity, in which the helical coil includes two tube ends extending in opposing directions and exiting the cylindrical cavity through tube ports provided in the end caps. A twisted elongated strip is coaxially disposed within the cylindrical cavity extending from the first end to the second end. The twisted elongated strip includes a plurality of radially extending fingers adapted to engage the helical coil to maintain the helical coil in a predetermined position. | 01-28-2010 |
20100037651 | Device for extracting fresh water from the atmosphere - A water generating system comprising: a pressurized condenser capable of being overpressurized; said pressurized condenser comprising a moisture laden air inlet and a moisture depleted air outlet, each inlet and outlet further having valves, respectively; said pressurized condenser further comprising a cold water inlet attached by a cold water transport conduit to a cold water pump, a warm water outlet and a heat exchanger that is in fluid communication between the cold water inlet and the warm water outlet; a moisture laden air transport conduit attached to the moisture laden air inlet; an air pump/conditioner attached to a distal end of the moisture laden air transport; said air pump/conditioner capable of significant creating a significant overpressurization air pressure in the pressurized condenser; a moisture depleted air transport conduit attached to the moisture depleted air outlet; and a water recovery outlet attached to a water reservoir via a water recovery conduit. | 02-18-2010 |
20100058800 | AIR CONDITIONING APPARATUS - An air conditioning apparatus includes a supercooling heat exchanger configured to exchange heat between a high-pressure refrigerant and a low-pressure refrigerant. A high-pressure liquid refrigerant pipe is wound around an external periphery of a low-pressure refrigerant suction pipe. Preferably, the supercooling heat exchanger is disposed inside the indoor unit at a position below an evaporator. Drain water from the evaporator is dispersed over the supercooling heat exchanger or a drain pipe leading from a drain pan of the evaporator is wound together with the high-pressure liquid refrigerant pipe around the low-pressure refrigerant suction pipe. In either case, cold energy of the drain water is made to effectively acts on the high-pressure liquid refrigerant pipe to exchange heat. The supercooling heat exchanger operates with improved efficiency without any increase in the volume of the heat exchanger so that the evaporator can be made as small and compact as possible. | 03-11-2010 |
20100236283 | Refrigerant Accumulator - A reversible cooling/heating system ( | 09-23-2010 |
20100287979 | Heating, Ventilation and/or Air Conditioning System Including Four Heat Exchangers - The invention relates to a heating, ventilating and/or air conditioning device ( | 11-18-2010 |
20110011126 | HEAT EXCHANGER - A heat exchanger includes heat transfer tubes forming one or more refrigerant passages, and a plurality of plate-shaped fins aligned and stacked at a predetermined spacing with the heat transfer tubes passing through in a substantially perpendicular manner. A relationship between a center-to-center distance S between an adjacent pair of heat transfer tubes and an outside diameter D of the heat transfer tubes is 2.501-20-2011 | |
20110067436 | AIR CONDITIONING SYSTEM - Disclosed is an air conditioning system. In the present invention, a refrigerant evaporated in an outdoor heat exchanger is sucked into a compressor in a state heated by a heater including a carbon nanotube heating element in a heating mode. Therefore, the present invention can more stably and efficiently perform heating. | 03-24-2011 |
20110067437 | Air Source Heat Exchange System and Method Utilizing Temperature Gradient and Water - An air source heat exchange system and method in which usable heat is exchanged between a prescribed volume of a fluid heat exchange medium, preferably water, within a heat exchange chamber and ambient air outside the chamber. At least one and preferably a plurality of air source heat exchange chambers are provided, each having a volume for containing the prescribed volume of water dwelled within the chamber. The chamber has a chamber wall constructed of a material enabling effective heat transfer between the water dwelled within the chamber and adjacent ambient air outside the chamber. A circulation system circulates the water along a path of flow passing into and out of the volume of the chamber at a rate of flow so related to the prescribed volume of water that usable heat is transferred through the chamber wall, between the ambient air and the prescribed volume of water dwelled within the chamber. | 03-24-2011 |
20110083468 | Heat Exchanger and Integrated Air-Conditioning Assembly Including Such Exchanger - The invention relates to a heat-exchanger for an air-conditioning circuit that includes a first pipe ( | 04-14-2011 |
20110138849 | Cooling Device - Provided is an inexpensive and compact cooling device which does not increase the circulation resistance of a refrigerant, filling quantity of a refrigerant in a natural circulation circuit wherein natural convection of the refrigerant is caused by using a thermo-siphon, and cross-sectional areas of individual passages while maintaining a desired cooling efficiency in the circuit. A secondary cooling device ( | 06-16-2011 |
20110146339 | AIR-CONDITIONING APPARATUS - In an air-conditioning apparatus, a heat source side heat exchanger, intermediate heat exchangers, and use side heat exchangers are formed in separate bodies respectively and adapted to be disposed at separate locations one another. In a heat medium circulation circuit where the intermediate heat exchanger and the use side heat exchanger are connected, temperature sensors are installed. An anti-freezing operation mode is provided in which, when the detection temperatures of the temperature sensors become equal to or lower than a set temperature Ts while a compressor or pumps are stopped, the heat medium is circulated to perform anti-freezing of the heat medium. | 06-23-2011 |
20110167865 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus in which a labor required for system selection is simplified is provided. | 07-14-2011 |
20110192189 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus in which entry of a refrigerant into a living space is suppressed and measures against refrigerant leakage are taken is provided. | 08-11-2011 |
20120006050 | AIR-CONDITIONING APPARATUS - Use side heat exchangers, an intermediate heat exchanger that heats a heat medium flowing to the use side heat exchangers, an intermediate heat exchanger that cools the heat medium flowing to the use side heat exchangers, three-way valves that switch between a flow path connecting the intermediate heat exchanger to the use side heat exchangers and a flow path connecting the intermediate heat exchanger to the use side heat exchangers, and three-way valves and bypasses that control the flow rate of the heat medium flowing into the use side heat exchangers are included. When at least one of the use side heat exchangers is switched from a stop state to an operation state or switched to another operation mode, the flow rate of the heat medium flowing into this use side heat exchanger is suppressed, and a change in air output temperature in the use side heat exchangers other than this use side heat exchanger is suppressed. | 01-12-2012 |
20120036887 | AIR-CONDITIONING APPARATUS - A multi-chamber type air-conditioning apparatus is provided in which a refrigerant whose effect on human bodies is a concern is prevented from leaking into a room or the like in which an indoor unit is installed, simultaneous operation of cooling and heating is possible, and performance deterioration by a refrigerant flow control device or drop of the cooling capacity of the indoor unit can be prevented. | 02-16-2012 |
20120055195 | Internal Heat Exchanger Assembly Having an Internal Bleed Valve Assembly - An internal heat exchanger assembly for an air conditioning system, having a substantial cylindrical cavity in which a helical coil tube is coaxially disposed within the cylindrical cavity. A bleed valve assembly is incorporated into the helical coiled tube, in which the bleed valve assembly is adapted to open at a predetermined differential pressure between the high pressure side and low pressure side of the internal heat exchanger. The bleed valve selectively bleeds refrigerant from the high pressure side to the low pressure side, thereby increasing the pressure and mass flow rate of the refrigerant to the suction side of a compressor to reduce or eliminate compressor rattle. | 03-08-2012 |
20120060550 | HEAT EXCHANGER FOR A REFRIGERATION SYSTEM - Heat exchanger systems described and illustrated here in include multiple stacked plates each defining an aperture, first and second flow ducts formed by the stacked plates, multiple inflow and outflow ducts formed by the apertures in the stacked plates, a first heat exchanger section defining a condenser including first and second flow ducts, a second heat exchanger section defining an evaporator, first, second and third fluids, and an expansion element for the first fluid connected to the heat exchanger. In some embodiments, the first fluid is in heat-exchanging contact with the second fluid in one of the first and second heat exchanger sections, the first fluid is in heat-exchanging contact with the third fluid in the other of the first and second heat exchanger sections, and/or the first fluid flows through the first flow duct in the first heat exchanger section. | 03-15-2012 |
20120060551 | REFRIGERATING CYCLE DEVICE, AIR CONDITIONER - Energy saving of a refrigerating cycle device is achieved by equalizing heat-medium inlet temperatures of a plurality of use-side heat exchangers. There are provided with a plurality of use-side heat exchangers, inter-heat-medium heat exchangers, a channel that connects the inter-heat-medium heat exchanger and the use-side heat exchanger, a heat-medium circulation circuit having heat-medium channel switching devices that switch between a first heat-medium channel, which connects the inter-heat-medium heat exchanger and the use-side heat exchanger, and a second heat-medium channel, which connects the inter-heat-medium heat exchanger and the use-side heat exchanger, and a heat source unit that heats or cools the heat medium with the inter-heat-medium heat exchangers, in which an auxiliary heat exchanger that performs heat exchange between the heat mediums flowing out from the inter-heat-medium heat exchangers is disposed so as to equalize the heat-medium temperatures flowing into the use-side heat exchangers to realize energy saving of the refrigerating cycle device. | 03-15-2012 |
20120103008 | HEATER UNIT AND AIR CONDITIONER INCLUDING THE SAME - Provided is a heater unit, which includes a heater-mounting part, a coil, a magnetic member, a cover member, and a coupling member. The heater-mounting part is attached to an outside of an object. The coil is coupled to the heater-mounting part and generates a magnetic field by electric current flowing therein. The magnetic member is disposed at a side of the coil, and is coupled to the heater-mounting part. The cover member covers an outside of the coil and an outside of the magnetic member. The coupling member detachably couples the heater-mounting part to the object. The heater unit is modularized so as to be removably mounted on the air conditioner, whereby the coil can be efficiently replaced and repaired. | 05-03-2012 |
20120118005 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus achieves improvement of safety and further achieves saving of energy without allowing a refrigerant to circulate in or near an indoor unit. The air-conditioning apparatus is configured such that heat medium pipes have a larger inner cross-sectional area per unit capacity than that of refrigerant pipes. | 05-17-2012 |
20120131948 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus is provided with a refrigerant cycle through which a heat-source-side refrigerant is to be circulated, a first heat medium channel to which a pump is connected and through which a heat medium such as water, an anti-freezing solution or the like is circulated, a first heat medium channel to which a pump is connected and through which a heat medium is circulated, and a plurality of use-side heat exchangers connected to the first heat medium channels. Also, the first heat medium channels are connected to the suction side of a pump through a pump flow direction switching device, and the first heat medium channels are connected to the discharge side of the pump through a pump flow direction switching device. By controlling opening degrees of the pump flow direction switching devices, the first heat medium channel which communicates with the pump is selected. | 05-31-2012 |
20130067952 | COOLING SYSTEM AND COOLING METHOD - A cooling system for cooling a superconducting device by a low-temperature fluid is provided. A flow generator for producing a flow in the low-temperature fluid is provided in the cooling system. The low-temperature fluid flowing through the superconducting device is heated. The flow generator is used to produce a flow in the heated low-temperature fluid. The low-temperature fluid is cooled and supplied to the superconducting device. | 03-21-2013 |
20130152626 | FLUORINATED HYDROCARBON COMPOSTION - A composition is described including a first fluorinated hydrocarbon compound according to the formula: | 06-20-2013 |
20130219954 | COOLING DEVICE AND METHOD FOR PRODUCING THE SAME - In a cooling device using an ebullient cooling system, cooling performance adversely decreases if the evaporator includes projections activating convection heat transfer and the bubble nuclei are formed on the inner wall surface. A cooling device according to an exemplary embodiment includes an evaporator storing a refrigerant and a condenser condensing and liquefying a vapor-state refrigerant vaporized in the evaporator and radiating heat. The evaporator includes a base thermally contacting with an object to be cooled, and a container. The base includes a plurality of projections on a boiling surface of a surface at an inner wall side contacting with the refrigerant. The cross-sectional area cut along a plane parallel to the boiling surface at the top of the projection is smaller than that at the boiling surface. The evaporator includes a bubble nucleus forming surface only on a part of a refrigerant contacting surface. | 08-29-2013 |
20130269385 | AIR CONDITIONING SYSTEM FOR UTILIZING OUTSIDE AIR AND AIR CONDITIONING DEVICE THEREOF - An air conditioning system for utilizing outdoor air to cool an interior space has a rack for mounting a heating element, a unitized air conditioning device having a pair of unit portions including an interior unit and an exterior unit, and a partition wall disposed between the interior and exterior units. The unitized air conditioning device is disposed so that an air supply face of the interior unit faces an air inlet face of the rack. The exterior unit includes a first fan and a first heat exchanger for exchanging heat between the outdoor air and a refrigerant. The interior unit includes a second heat exchanger for exchanging heat between returning air and the refrigerant to generate cool air, and a second fan. The unitized air conditioning device includes a piping connected to the first heat exchanger and second heat exchanger for circulating the refrigerant. | 10-17-2013 |
20130276476 | Air conditioning system with multiple-effect evaporative condenser - An air conditioning system includes a multiple effect evaporative condenser, at least one compressor, at least one heat exchanger, an expansion valve, and at least one multiple-effect evaporative condensers. The multiple effect evaporative condenser and the heat exchanger utilize a highly efficient heat exchanging pipe for performing heat exchange between water and refrigerant. | 10-24-2013 |
20130333414 | SYSTEM FOR COOLING ELECTRONIC DEVICE - A system for cooling an electronic device of the present invention cools air warmed by exhaust heat of an electronic device, and includes an evaporator, a condenser, a gas flow channel, and a liquid flow channel. The evaporator is provided in a direction in which air is blown out by the electronic device, and causes a liquid coolant to undergo a phase transition to a gaseous coolant by absorbing heat of the air blown out from the electronic device. The condenser causes the gaseous coolant to undergo a phase transition to a liquid coolant by releasing heat of the gaseous coolant. The gas flow channel flows the gaseous coolant undergone the phase transition by the evaporator, into the condenser. The liquid flow channel flows the liquid coolant undergone the phase transition by the condenser, into the evaporator. The condenser is arranged above the evaporator. | 12-19-2013 |
20140069140 | ACCUMULATOR HEAT EXCHANGER - Disclosure relates to an accumulator heat exchanger. The accumulator heat exchanger is capable of guiding only a gas-phase refrigerant to a compressor by allowing a high pressure refrigerant passing through a condenser to pass through an accumulator and to be heat exchanged with a low pressure refrigerant, thereby promoting evaporation of a liquid-phase refrigerant. | 03-13-2014 |
20140190204 | AIR CONDITIONING SYSTEM - A supplementary air conditioning system includes an indoor heat exchanger and an outdoor heat exchanger. The indoor heat exchanger is fanless and includes indoor tubes installed so as to be inclined to a ceiling of a room. The indoor tubes make diagonal contact with a high-temperature air zone in an upper part of the room and refrigerant inside the indoor tubes is heated by the air zone so as to boil and vaporize and air in the air zone flows down through the indoor heat exchanger. The external heat exchanger includes outdoor tubes installed outside at a higher position than the indoor tubes and are connected to the indoor tubes via connecting pipes with no compressor therebetween. The outdoor tubes condense and liquefy the refrigerant boiled and vaporized in the indoor tubes and return the refrigerant to the indoor tubes. | 07-10-2014 |
20140338391 | MULTI-STAGE EVAPORATIVE HEAT REJECTION PROCESS CYCLE THAT FACILITATES PROCESS COOLING EFFICIENCY, WATER PRODUCTION, AND/OR WATER RECLAMATION FOR FLUID COOLERS AND COOLING TOWERS - An evaporative heat rejection cycle for cooling a heat load is presented, including an environmental pre-cooling primary evaporator, an environmental pre-cooling secondary evaporator, a pre-cooled evaporative heat rejection cycle section in thermal communication with a heat load, and a primary pre-cooling evaporative heat exchanger in thermal communication with air that is drawn into thermal communication with a primary evaporator cycle, to enable heat transfer and moisture elimination from the air to a first fluid, where a portion of the first fluid evaporates and absorbs heat and condenses moisture from the air. | 11-20-2014 |
20140366572 | COOLING DEVICE - [Problem] When a size of a cooling device using a boiling cooling system is reduced, a cooling performance decreases. | 12-18-2014 |