| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 062506000 | External cooling fluid contacts heat rejector | 41 |
| 20090071189 | CONDENSER FOR A MOTOR VEHICLE AIR CONDITIONING CIRCUIT, AND CIRCUIT COMPRISING SAME - A condenser for a motor vehicle air-conditioning circuit includes a multitude of stacked main-section plates assembled to delimit first flow channels for a refrigerating fluid which alternate with second flow channels for a cooling fluid. The condenser includes at least two passes over the refrigerating fluid. The condenser also includes at least one condenser inlet and one condenser outlet for refrigerating fluid. The condenser also includes an inlet pass over the refrigerating fluid communicating with the condenser inlet and an outlet pass communicating with the condenser outlet. The cross section of the passes diminishes from the inlet pass towards the outlet pass. | 03-19-2009 |
| 20100293992 | CONDENSER AND COOLING DEVICE - In the condenser provided with two of the degassing chambers separated by a cooling fluid, communication between the degassing chambers is prevented even if a pressure difference is increased between the degassing chambers. The condenser has the housing having the vapor inflow port connectable to the discharge portion of the compressor, the first degassing chamber, in the housing, communicating with the vapor inflow port, and the second degassing chamber, in the housing, arranged above the first degassing chamber across the partition portion, and the passing portion for permitting a cooling fluid to flow from the second degassing chamber to the first degassing chamber, wherein the first degassing chamber is separated from the second degassing chamber by the cooling fluid in the passing portion, and the passing portion has a pressure head space for containing a specified volume of cooling fluid so as to absorb a variation in a pressure difference between the first degassing chamber and the second degassing chamber. | 11-25-2010 |
| 20140305158 | In-Chamber Condenser - An interior condenser ( | 10-16-2014 |
| 20160054039 | Air Conditioning System with Evaporative Cooling System - An air conditioning system using a predetermined amount of refrigerant includes an evaporator unit, a compressor unit, an evaporative cooling system including at least one multiple-effect evaporative condenser connected to the compressor for effectively cooling the refrigerant. Each of the multiple-effect evaporative condensers includes an air inlet side and an air outlet side which is opposite to the air inlet side, a pumping device adapted for pumping a predetermined amount of cooling water at a predetermined flow rate, a first cooling unit and a second cooling unit. The refrigerant flows through heat exchanging pipes in the first cooling unit and the second cooling unit. The cooling water is arranged to pass through the first cooling unit and the second cooling unit in a sequential order and perform heat exchange with the refrigerant. | 02-25-2016 |
| 20160375740 | HEATING AND COOLING MODULE - A heating and cooling module for controlling the temperature of at least two coolant circuits, having an evaporator region and a condenser region. The evaporator region has a first flow section through which a first coolant can flow, and the condenser region has a second flow section through which a second coolant can flow. The heating and cooling module has a third flow section through which a refrigerant can flow. The evaporator region and the condenser region are arranged on a common base plate which has the fluid inlets and the fluid outlets for the first coolant, the second coolant, and the refrigerant. The base plate has flow channels, through each of which one of the coolants or the refrigerant can flow. The evaporator region and the condenser region are fluidically connected to the respective fluid inlets and the respective fluid outlets of the base plate via the flow channels. | 12-29-2016 |
| 062507000 | Air cooled | 36 |
| 20080282730 | Heat exchanger module - A heat exchanger module includes a condenser for condensing a refrigerant, a modulator, a sub-cooler for cooling liquid refrigerant supplied from the modulator, and a heat exchanger for cooling a fluid different from the refrigerant. The condenser, the sub-cooler and the heat exchanger are arranged in an arrangement direction substantially perpendicular to an air flow direction. Further, the modulator is disposed to extend in the arrangement direction. In the heat exchanger module, the modulator has a dimension that is larger than the sum of a dimension of the condenser and a dimension of the sub-cooler, and is not larger than the sum of the dimension of the condenser, the dimension of the sub-cooler and a dimension of the heat exchanger, in the arrangement direction. Accordingly, a capacity of the modulator can be effectively increased without increasing a largest outer side of the heat exchanger module. | 11-20-2008 |
| 20100064723 | Refrigeration system - If the degree of opening of an electronic expansion valve ( | 03-18-2010 |
| 20100071407 | REFRIGERANT SYSTEM WITH INTERCOOLER UTILIZED FOR REHEAT FUNCTION - A refrigerant system is provided with at least two stages of compression connected in series. An intercooler is positioned intermediate the two stages and is cooled by an indoor air stream. The intercooler is positioned to be in a path of air flow passing over an indoor heat exchanger, and preferably downstream of the indoor heat exchanger, in relation to this airflow. The intercooler cools the refrigerant flowing between the two compression stages as well as provides the reheat function. Benefits with regard to system performance (efficiency, capacity and reliability) are achieved with no additional circuitry or components required to provide the intercooler and reheat functions. This invention is particularly important for the CO | 03-25-2010 |
| 20100132401 | CONSTRUCTIVE ARRANGEMENT INSERTED INTO A CONDENSING UNIT PROVIDED WITH BIDIRECTIONAL FLOW - A new constructive arrangement inserted into a condensing unit provided with bidirectional flow, thus allowing the flow of the machine to be disposed either vertically or horizontally, according to the required application having a base to which an “L” shaped condensing coil is attached, and further receiving a compressor in the center thereof and a side panel on the side thereof, for receiving a structural “L” shaped air scoop, provided with a motor fan on one of the faces thereof that allows the assembly to be closed with said fan being positioned either vertically or horizontally. | 06-03-2010 |
| 20100186441 | Multi-air conditioner - An air conditioner is provided. A control unit of an outdoor unit of the air conditioner is divided into a plurality of blocks according to a set of rules. Then, the blocks are mounted on different substrates. Therefore, it is possible to simplify wiring, facilitating the interconnection of the blocks and enable the control unit to be managed in units of the blocks. In addition, it is possible to improve user convenience. | 07-29-2010 |
| 20100199714 | AUXILIARY COOLING SYSTEM - Air cooled chillers having a condenser section ( | 08-12-2010 |
| 20100293993 | Method and Apparatus for Highly Efficient Compact Vapor Compression Cooling - The subject invention pertains to a method and apparatus for cooling. In a specific embodiment, the subject invention relates to a lightweight, compact, reliable, and efficient cooling system. The subject system can provide heat stress relief to individuals operating under, for example, hazardous conditions, or in elevated temperatures, while wearing protective clothing. The subject invention also relates to a condenser for transferring heat from a refrigerant to an external fluid in thermal contact with the condenser. The subject condenser can have a heat transfer surface and can be designed for an external fluid, such as air, to flow across the heat transfer surface and allow the transfer of heat from heat transfer surface to the external fluid. In a specific embodiment, the flow of the external fluid is parallel to the heat transfer surface. In another specific embodiment, the heat transfer surface can incorporate surface enhancements which enhance the transfer of heat from the heat transfer surface to the external fluid. In another specific embodiment, an outer layer can be positioned above the heat transfer surface to create a volume between the heat transfer surface and the outer layer through which the external fluid can flow. | 11-25-2010 |
| 20110088426 | SYSTEM AND METHOD TO CONTROL SENSIBLE AND LATENT HEAT IN A STORAGE UNIT - A climate control system for a storage unit. The system includes a reverse cycle chiller; a fluid supply line in fluid communication with an outlet of the fluid side heat exchanger; a fluid return line in fluid communication with an inlet of the fluid side heat exchanger and the fluid supply line; at least one hydronic coil in optional fluid communication with the fluid supply line and the fluid return line, the at least one hydronic coil located in a room to be controlled; a controller in communication with the reverse cycle chiller and the at least one hydronic coil; an ambient temperature sensor in communication with the controller; an ambient humidity sensor in communication with the controller; a room temperature sensor in communication with the controller, the room temperature sensor positioned in the room; and a room humidity sensor in communication with the controller, the room humidity sensor positioned in the room. A method of controlling the climate in a storage unit is also described. | 04-21-2011 |
| 20110107790 | Air Cooled Helium Compressor - This invention relates generally to oil lubricated helium compressor units for use in cryogenic refrigeration systems, operating on the Gifford McMahon (GM) cycle. The objective of this invention is to keep the oil separator and absorber, which are components in an oil lubricated, helium compressor, in an indoor air conditioned environment while rejecting at least 65% of the heat from the compressor outdoors during the summer. The balance of the heat is rejected to either the indoor air conditioned air, or cooling water. This is accomplished by circulating hot oil at high pressure to an outdoor air cooled heat exchanger and returning cooled oil to the compressor inlet, while hot high pressure helium is cooled in an air or water cooled heat exchanger in an indoor assembly that includes the compressor, an oil separator, an oil absorber, and other piping and control components. It is an option to reject the heat from the oil to the indoor space during the winter to save on the cost of heating the indoor space. | 05-12-2011 |
| 20110126581 | Air conditioner and outdoor unit thereof - An air conditioner includes a compressor, a first heat exchanger connected to the compressor through a first connection pipe, a second heat exchanger connected to the first heat exchanger through a second connection pipe and adapted to discharge super-cooled refrigerant through a third connection pipe, and a blower to blow air toward the first heat exchanger and the second heat exchanger. The first heat exchanger includes a first header in communication with the first connection pipe for introduction of the refrigerant, a plurality of tubes each having one end in communication with the first header and the other opposite end, and a second header in communication with the other end of each of the plurality of tubes. The second heat exchanger includes a heat exchange pipe that is bent plural times between the second connection pipe and the third connection pipe. | 06-02-2011 |
| 20110132030 | Integrated Cooling System for Eco-Friendly Vehicle - The present invention makes it possible to integrate and control in one circuit the systems, such as electric power components, a driving motor, a stack, and an AC condenser which have the maximum enthalpy under similar operational temperature and use conditions, by using an integrated radiator. Therefore, it is possible to minimize air-through resistance of the radiator for cooling the stack and the electric power components and ensure smooth and stable cooling performance of the stack, electric power components, and AC condenser while improving fuel efficiency by reducing the condensation pressure of the air conditioner. Further, it is possible to improve cooling efficiency by non-repeatedly arranging heat exchangers, and reduce the weight of a vehicle, volume of the parts, and the manufacturing cost, by avoiding using too many parts, such as a radiator, a water pump, and a reservoir tank. | 06-09-2011 |
| 20110192188 | HEAT EXCHANGER HAVING STACKED COIL SECTIONS - A heat exchanger is provided with stacked coil sections. Each of the stacked coil sections is configured to circulate a fluid independent from the other coil section. An air moving device is used to circulate air through both of the stacked coil sections. The stacked coil sections are positioned to have the air exiting the one coil section entering the other coil section. | 08-11-2011 |
| 20110259041 | HIGH EFFICIENCY CONDENSER - A high efficiency condenser, in one embodiment, includes a phase change material in thermal contact with the condenser to assist in cooling the condenser during operation and particularly during pull-down operation to improve the cooling capacity of a compressor. In a preferred embodiment of such a system, a coaxial tube carrying the refrigerant through the condenser includes an inner conduit for the refrigerant and a coaxially arranged outer jacket with phase change material for extracting heat from the compressed refrigerant. In another embodiment, a secondary condenser is provided in a secondary coolant circuit and is in thermal contact with the primary condenser. Variable speed fans are associated with the condenser(s) and can be operated in the high speed (turbo) mode during pull-down of a refrigeration system for providing sufficient cooling capacity during a pull-down mode of operation. | 10-27-2011 |
| 20120060549 | HEAT EXCHANGER FOR AN APPLIANCE - An improved heat exchanger for an appliance is provided. More particularly, the present invention provides a new condenser for a refrigerator that is formed from a conduit wound into the shape of a conical helix. Extensions from the surface of the conduit provide additional area for heat exchange. A fan can be aligned with the conical helix to further improve heat transfer. | 03-15-2012 |
| 20120291478 | CONDENSER FOR VEHICLE AND AIR CONDITIONING SYSTEM FOR VEHICLE - A condenser may include a main radiating portion including a plurality that is formed by laminating a plurality of plates, a receiver drier portion integrally formed at one side end of the main radiating portion, a supercooling radiator that is integrally formed at a lower portion of the main radiating portion, and an accumulator portion integrally formed with the main radiating portion and the other end portion of the supercooling radiator. An air conditioning system may include an expansion valve, an evaporator, and an electrically driven compressor, a water cooler condenser, and a heat exchanger, wherein a liquid state refrigerant of a middle temperature and high pressure passing the water cooler condenser exchanges heat with a low temperature/pressure refrigerant passing the evaporator in the heat exchanger. | 11-22-2012 |
| 20130125579 | AIR-SENDING DEVICE OF OUTDOOR UNIT, OUTDOOR UNIT, AND REFRIGERATION CYCLE APPARATUS - A propeller fan rotates about a vertical axis. A bellmouth has a wall extending such that an air passage on an outlet side spreads outward. The bellmouth has a shape satisfying: H/D≧0.04 between a length H of the sloping surface in a direction of the rotation axis from an end on an inlet; side to an end on the outlet side and a fan diameter D of the propeller fan 0<θ≧60° for an angle θ formed between a line connecting the ends of the sloping surface and the rotation axis; and L/L | 05-23-2013 |
| 20140157820 | COMPRESSOR APPARATUS AND REFRIGERATOR APPARATUS - A compressor apparatus for supplying a compressed refrigerant to a cryogenic refrigerator is disclosed that includes a heat exchanger group that includes a first heat exchanger and a second heat exchanger whose heat exchanging amount is greater than the first heat exchanger; and an axial-flow fan that cools the heat exchanger group. The first heat exchanger is disposed closer to a rotational axis of the axial-flow fan with respect to the second heat exchanger. | 06-12-2014 |
| 20140360222 | OUTDOOR UNIT OF REFRIGERATION APPARATUS - An outdoor unit of a refrigeration apparatus includes an aluminum or aluminum alloy heat exchanger, an aluminum or aluminum alloy bracket having a fixing portion and a securing portion attached directly to the heat exchanger, a non-aluminum side panel having an opening portion with the fixing portion of the bracket passing through the opening, and a nonmetal component interposed between the bracket and the side panel to form a predetermined space between the bracket and the side panel. The side panel is fixed to the fixing portion of the bracket disposed through the opening portion. | 12-11-2014 |
| 20150007604 | HEAT EXCHANGER - A condenser includes a shell having a vapor refrigerant inlet, a first tube bundle and a liquid refrigerant outlet. A second tube bundle is positioned in a subcooler component. The subcooler component has a center channel and at least two outer channels and conforms to the shell. | 01-08-2015 |
| 20150013376 | OUTDOOR UNIT FOR AIR-CONDITIONING APPARATUS - An outdoor unit for an air-conditioning apparatus includes a heat exchanger, at least one fan, a compressor, and a box-shaped casing that houses the foregoing elements and has an air inlet and an air outlet. The compressor is provided at a position outside an air passage in which air taken in from the air inlet flows through the heat exchanger and the fan toward the air outlet. The heat exchanger includes a plurality of heat exchanger segments. The heat exchanger segments are arranged zigzag. | 01-15-2015 |
| 20150114030 | HEAT EXCHANGER - Provided is a heat exchanger. The heat exchanger includes a plurality of refrigerant tubes in which a refrigerant flows, a heatsink fin coupled to the plurality of refrigerant tubes to heat-exchange the refrigerant with a fluid, a header disposed on at least one side of the plurality of refrigerant tubes to define a flow space of the refrigerant and a guide device disposed in the header to partition the flow space, the guide device guiding the refrigerant from the header to the refrigerant tubes. The guide device includes a movable cover part. | 04-30-2015 |
| 20160033182 | HEAT EXCHANGER FOR AIR-COOLED CHILLER - An air-cooled chiller system includes a heat exchanger including a first tube bank including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship; a second tube bank including at least a first and a second flattened tube segments extending longitudinally in spaced parallel relationship, the second tube bank disposed behind the first tube bank with a leading edge of the second tube bank spaced from a trailing edge of the first tube bank; a fan creating an airflow across the first heat exchanger, the airflow flowing over the first tube bank prior to flowing over the second tube bank, wherein refrigerant flows in the heat exchanger in a cross-counterflow direction opposite that of the airflow direction. | 02-04-2016 |
| 20160097548 | HEAT EXCHANGE SYSTEM USING AN EXTERNAL ROTOR MOTOR - A heat exchange system of the invention includes at least multiple grids, a blower including an external rotor motor and a wind blade, an inner side wall, a shock absorbing pad, a compressor, and a box having multiple exhaust inlets. The exhaust inlets are disposed on the side of the box. The grids are disposed at an exhaust outlet of the box. The blower is disposed in the box and below the grid. The compressor is disposed on a bottom surface in the box. The blower is an external rotor axial fan, and the wind blade is disposed outside a rotor of the external rotor motor. The shock absorbing pad is disposed between the grids and the external rotor motor. | 04-07-2016 |
| 20160187049 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus, including: a heat source-side heat exchanger including a plurality of heat transfer tubes each having a flattened shape and being arranged in parallel, the heat source-side heat exchanger being used at least as a condenser of a refrigeration cycle; and an outdoor fan for generating flows of air passing through the heat source-side heat exchanger in a predetermined air velocity distribution. The heat source-side heat exchanger is configured to exchange heat between the air and refrigerant flowing through the heat transfer tubes and includes a plurality of refrigerant paths, each including at least one of the plurality of heat transfer tubes and a plurality of two-phase paths for allowing gas refrigerant to flow into and out as two-phase refrigerant; and a plurality of liquid-phase paths for allowing the two-phase refrigerant flowing out of the plurality of two-phase paths to flow out as subcooled liquid refrigerant. | 06-30-2016 |
| 20170232821 | EJECTOR-TYPE REFRIGERATION CYCLE | 08-17-2017 |
| 062508000 | Motor-compressor in common housing | 11 |
| 20100018243 | INTEGRATED ELECTRONIC COMPRESSOR - There is provided an integrated electric compressor that is improved in reliability. Bus bar connection is employed for electrical connection between a power board | 01-28-2010 |
| 20100018244 | INVERTER-INTEGRATED ELECTRIC COMPRESSOR - An inverter-integrated electric compressor that is capable of solving various problems caused by thermal expansion of a gel material filled inside an inverter accommodating section for vibration prevention and moisture prevention and capable of increasing reliability is provided. In the inverter-integrated electric compressor, an inverter accommodating section ( | 01-28-2010 |
| 20100018245 | HERMETICALLY ENCLOSED REFRIGERANT COMPRESSOR - The invention concerns a hermetically enclosed refrigerant compressor with a housing comprising an electrical feed-through, a connection plate ( | 01-28-2010 |
| 20150007605 | OUTDOOR UNIT OF REFRIGERATION APPARATUS - An outdoor unit of a refrigeration apparatus includes a heat exchanger, a casing constituent member and a seal member. The heat exchanger has plural collection header pipes, plural fins disposed at a predetermined fin pitch between the header pipes, and plural heat transfer tubes inserted through the fins and connected to the header pipes. An interstice larger than the fin pitch is formed between one of the header pipes and one of the fins adjacent to the one of the header pipes. The casing constituent member is disposed facing the one of the header pipes and is configured to surround part of the heat exchanger. The seal member is attached to the casing constituent member, is pressed against the one of the header pipes and the one of the fins in the environ of the interstice facing the casing constituent members, becomes deformed, and closes the interstice. | 01-08-2015 |
| 20150040609 | OUTDOOR UNIT OF AIR CONDITIONER - According to one embodiment, an object of the present invention is to provide an outdoor unit of an air conditioner which is basically composed of small-size component parts and can have a large air-conditioning capacity by stacking the small-size component parts in a vertical direction in accordance with a required air-conditioning capacity. The outdoor unit of an air conditioner includes an outdoor heat exchanger, an air-blower assembly including an air exchanger, and a housing accommodating the outdoor heat exchanger and the air-blower assembly. The outdoor heat exchanger, the air-blower assembly and the housing, and another outdoor heat exchanger, another air-blower assembly and another housing are configured to be stackable on each other in a vertical direction. | 02-12-2015 |
| 20150330680 | HERMETIC COMPRESSOR AND REFRIGERATION APPARATUS INCLUDING THE SAME - A hermetic compressor according to the present invention includes: an electric element ( | 11-19-2015 |
| 20150381062 | POWER CONVERSION APPARATUS AND REFRIGERATION AIR-CONDITIONING APPARATUS - Provided is a power converter for converting electric power between a power source and a load, including: a boosting device including a boost rectifier configured to prevent a backflow of a current from the load side to the power source side, the boosting device being configured to change a voltage of electric power supplied from the power source to a predetermined voltage; a commutation device configured to perform a commutation operation of directing a current flowing through the boosting device to another path; and a controller configured to perform control related to the voltage change of the boosting device and control related to the commutation operation of the commutation device, in which the commutation device is configured to flow, when the commutation device performs the commutation operation, a current generating a voltage causing reverse recovery of the boost rectifier to the commutation device side. | 12-31-2015 |
| 20160076779 | OUTDOOR DEVICE FOR AN AIR CONDITIONER - An outdoor device for an air conditioner is provided. The outdoor device may include a cabinet, and a base provided at a lower portion of the cabinet. The base may include a base body, on which at least one first seat that supports at least one compressor may be provided, an edge portion disposed along a circumference of the base body and on which at least one second seat that supports a heat exchanger may be disposed, and one or more drain holes defined in the base body to guide discharge of liquid existing in or contained within the base. The at least one first seat and the at least one second seat may be integrated with each other. | 03-17-2016 |
| 20160083099 | FAN AND COMPRESSOR HOUSING FOR AN AIR CYCLE MACHINE - A housing for an air cycle machine includes a housing with a first end and a second end opposite the first end, a first duct adjacent the first end of the housing with an air inlet and an air outlet, a second duct adjacent the second end of the housing with an air inlet and an air outlet, and a collar in the housing extending into the second duct. The collar includes a first annular surface facing radially inward and configured to engage a journal bearing and a second annular surface facing radially inward and configured to engage a rotating shaft, wherein the second surface is monolithic with the housing. | 03-24-2016 |
| 20160126798 | MOTOR AND AIR-CONDITIONING APPARATUS - The motor includes a motor body to rotate a shaft by generating a rotating magnetic field; a bearing supporting the shaft; and a bracket being electrically non-conductive, surrounding an outer periphery of the bearing, and supporting the bearing, wherein the bracket is not in contact with any member formed of conductive material at an outer periphery of the bracket. | 05-05-2016 |
| 20160126854 | POWER CONVERSION APPARATUS, AND AIR-CONDITIONING APPARATUS USING THE SAME - A power conversion apparatus includes a rectifier, a converter including a reactor, a switching element, and a reverse current prevention element, a smoothing capacitor configured to smooth the output voltage, a current detector configured to detect a reactor current, a voltage detector configured to detect the output voltage, and a converter control unit configured to control operation of the switching element of the converter. The converter-control unit includes a switching command calculation unit configured to calculate a switching command value responsive to a ratio of the rectified voltage to the output voltage in accordance with the output voltage and the reactor current, a switching control unit configured to control operation of the switching element in accordance with the switching command value, and a supply abnormality determination unit configured to determine occurrence of a momentary power failure or voltage sag in accordance with the switching command value. | 05-05-2016 |
