Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7827817 | Absorption heat pump An absorption heat pump, including: an evaporator which takes in a first heat source and evaporates refrigerant liquid into refrigerant vapor; an absorber which has a heat receiving medium passage and which takes in heat receiving medium liquid through a heat receiv... | 11/09/2010 |
| 7464562 | Absorption heat pump An absorption heat pump, including: an evaporator which takes in a first heat source and evaporates refrigerant liquid into refrigerant vapor; an absorber which has a heat receiving medium passage and which takes in heat receiving medium liquid through a heat receiv... | 12/16/2008 |
| 7422993 | Adsorbent for adsorption heat pump, adsorbent for humidity-control air conditioner, adsorption heat pump and humidity-control air conditioner The present invention provides an adsorbent for adsorption heat pump and humidity-control air conditioner, which is capable of adsorbing an adsorbate therein and desorbing the adsorbate therefrom in a narrow relative vapor pressure range, and can be regenerated (des... | 09/09/2008 |
| 7380411 | Heat source unit with switching means between heating and cooling The present invention provides a heat source unit capable of being used in either an air conditioner for switchable cooling and heating operation or an air conditioner for simultaneous cooling and heating operation. An air conditioner principally includes one heat s... | 06/03/2008 |
| 7367200 | Ejector cycle device An ejector cycle device includes an ejector having a nozzle portion which decompresses refrigerant flowing out of a radiator, a first evaporator for evaporating refrigerant from the ejector, and a second evaporator provided in a branch passage that is branched from ... | 05/06/2008 |
| 7340908 | Refrigerant cycle device for vehicle A vapor-compression refrigerant cycle device includes an ejector, a first evaporator for evaporating refrigerant flowing out of a pressure-increasing portion of the ejector, a second evaporator for evaporating refrigerant to be drawn into a refrigerant suction port ... | 03/11/2008 |
| 7334427 | Ejector with tapered nozzle and tapered needle In an ejector, a nozzle includes a nozzle tapered section having an inner passage with a radial dimension reduced toward a nozzle outlet port, and a needle having a needle tapered section disposed in the inner passage. The needle tapered section has a cross sectiona... | 02/26/2008 |
| 7316120 | Refrigeration/air conditioning equipment Refrigeration/air conditioning equipment includes a first internal heat exchanger for exchanging heat between a refrigerant to be sucked in a compressor and a high-pressure liquid refrigerant, an injection circuit for evaporating a bypassed high-pressure liquid at i... | 01/08/2008 |
| 7313926 | High efficiency absorption heat pump and methods of use A high efficiency absorption heat pump cycle is disclosed using a high pressure stage, a supercritical cooling stage, and a mechanical energy extraction stage to provide a non-toxic combined heat, cooling, and energy system. Using the preferred carbon dioxide gas wi... | 01/01/2008 |
| 7305846 | Freezing device In a refrigerant circuit (20), a refrigerator circuit (110) and a freezing circuit (30) are connected in parallel to an outdoor circuit (40). In the freezing circuit (30), a freezer circuit (130) and a booster circuit (14... | 12/11/2007 |
| 7251950 | Heating/cooling system There is provided a heating/cooling system capable of reducing power consumption. The heating/cooling system has a receiving room capable of using hot air and cold air in a switching manner, and comprises a refrigerant circuit which comprises a compressor, a gas coo... | 08/07/2007 |
| 7207186 | Refrigeration cycle A variable displacement compressor driven by an engine, such as an engine for driving an automotive vehicle is used as a compressor, and the capacity of the compressor is controlled by a capacity control valve such that the differential pressure between discharge pr... | 04/24/2007 |
| 7171824 | Reversible air-water absorption heat pump A cooling or heating device in an absorption heat pump of GAX type, including a generator, a GAX heat exchanger, an absorber, a condenser, an evaporator, a pump connected to the absorber and generator, and a first circuit for refrigerant solution circulating through... | 02/06/2007 |
| 7143602 | Ejector-type depressurizer for vapor compression refrigeration system In an ejector-type depressurizer, a nozzle arrangement converts pressure energy of refrigerant supplied from a radiator into velocity energy to depressurize and expand the refrigerant, and a pressurizer arrangement mixes the refrigerant discharged from the nozzle ar... | 12/05/2006 |
| 7107784 | Thermal management system using an absorption heat pump The thermal management system includes: one or more heat acceptors which remove heat from one or more warm temperature heat sources; one or more absorption heat pumps, which use the heat removed from the warm temperature heat sources to generate either refrigeration... | 09/19/2006 |
| 7073341 | Air conditioner An air conditioner is provided that includes an exhaust heat recovery unit for recovering exhaust heat in a heat transfer medium, a heat transfer medium passage in which the heat transfer medium outputted from the exhaust heat recovery unit flows, an auxiliary heati... | 07/11/2006 |
| 6973963 | Adsorber generator for use in sorption heat pump processes This invention provides a compact heat exchanger that has an effective geometry for heat transfer operations regardless of the heat conductivity of the material chosen for the fin materials. It has further been found that the use of adsorbent coated anodized aluminu... | 12/13/2005 |
| 6966199 | Ejector with throttle controllable nozzle and ejector cycle using the same An ejector includes a nozzle having therein a throat portion, and a needle valve that extends at least from the throat portion to the outlet of the nozzle. The needle valve is displaced in an axial direction of the nozzle to adjust an opening degree of the throat po... | 11/22/2005 |
| 6941761 | Thermoelectric heat lifting application A compressor having a housing with a compression mechanism mounted therein. A suction fluid passageway is located in the housing through which the compression mechanism receives refrigerant fluid. A thermoelectric device is in thermal communication with refrigerant ... | 09/13/2005 |
| 6931887 | Ejector decompression device An ejector decompression device for a refrigerant cycle includes a nozzle which decompresses refrigerant flowing out of a refrigerant radiator, and a pressure increasing portion which increases a pressure of refrigerant while refrigerant jetted from the nozzle and r... | 08/23/2005 |
| 6925835 | Ejector cycle In an ejector cycle with an ejector including a nozzle for decompressing refrigerant, a refrigerant outlet is provided in an evaporator at a position upper than a refrigerant inlet. Therefore, a circulation performance of refrigerant flowing in the evaporator can be... | 08/09/2005 |
| 6904769 | Ejector-type depressurizer for vapor compression refrigeration system In an ejector-type depressurizer, a nozzle arrangement converts pressure energy of refrigerant supplied from a radiator into velocity energy to depressurize and expand the refrigerant, and a pressurizer arrangement mixes the refrigerant discharged from the nozzle ar... | 06/14/2005 |
| 6883588 | Spacecraft radiator system using a heat pump Heat dissipating apparatus or system for dissipating heat generated by a payload on a spacecraft having a plurality of surfaces. The system includes at least one radiator-condenser coupled to one or more of the surfaces of the spacecraft and a heat pump including an... | 04/26/2005 |
| 6813900 | Integrated aqua-ammonia chiller/heater with heater mode absorber by-pass An aqua-ammonia chiller/heater apparatus is modified to provide a condenser and absorber refrigerant by-pass during a heater mode. ... | 11/09/2004 |
| 6729157 | Air conditioner with ejector cycle system An air conditioner with an ejector includes first and second interior heat exchangers for performing heat-exchange between refrigerant and air to be blown into a compartment. The second interior heat exchanger is disposed at a downstream air side of the first interi... | 05/04/2004 |
| 6718792 | Integrated aqua-ammonia chiller/heater An aqua-ammonia chiller apparatus is modified to include a heater function by providing a refrigerant by-pass for directing refrigerant to a heat exchanger capable of selectively functioning as a condenser during a heating mode or an evaporation during a cooling mod... | 04/13/2004 |
| 6705111 | Ammonia-water absorption system with plunger-driven diaphragm solution pump An ammonia-water absorption system uses plunger driven spring return diaphragm to pump absorption solution. ... | 03/16/2004 |
| 6666037 | Absorption refrigerator control method An object of the invention is to enable heat sources to be surely utilized in accordance with order of priorities and to prevent a overshooting of a temperature of cold water supplied from an evaporator even when a load is immediately changed. A flow of e... | 12/23/2003 |
| 6651457 | Absorption refrigerator The object of the invention is to improve heat efficiency of an absorption refrigerator driven by exhaust heat supplied from the other apparatus as a part of heat sources. A diluted absorption liquid that absorbs a refrigerant in an absorber to decrease i... | 11/25/2003 |
| 6631624 | Phase-change heat transfer coupling for aqua-ammonia absorption systems An improved process for operating an aqua-ammonia absorption cooling system or heating and/or cooling system for supplying cooling to an indoor space, the system including a heat exchange assembly having a first heat exchanger exterior to the indoor space... | 10/14/2003 |
| 6619066 | Heat pump system of combination of ammonia cycle carbon dioxide cycle A heat pump system for cooling (refrigeration) or heating is provided by employing a combination of natural media such as ammonia and CO2. The heat pump system (1) combines an ammonia cycle (2) and a CO2 cycle (3), and the CO2 | 09/16/2003 |
| 6598415 | Absorption type cooling and heating apparatus There are provided a conduit 9b for transferring a refrigerant to the evaporator 9, a conduit 7b for transferring an absorbent solution to the regenerator 3, and a branch conduit 9a. A check valve 17 is provided for communicating the branch conduit 9a to ... | 07/29/2003 |
| 6550265 | Ejector cycle system In an ejector cycle system, high-pressure side refrigerant is decompressed by an ejector in cooling operation for cooling a compartment, and is decompressed by a fixed restrictor in heating operation for heating the compartment. Therefore, in the heating ... | 04/22/2003 |
| 6484528 | Air-conditioner A compressor (21), a heat exchanger (30), a demoisturizer (22), and an expansion device (23) are duct connected in that order to form a heat source-side system (20). The compressor (21) draws and compresses outdoor air and exhaust air for ventilation. The... | 11/26/2002 |
| 6415625 | Auxiliary active motor vehicle heating and air conditioning system An auxiliary active heating and air conditioning system for a passenger area of a motor vehicle comprising a heat exchanger in the passenger area piped to receive conditioned heat transfer fluid, a sorption cooling system located outside the passenger are... | 07/09/2002 |
| 6405558 | Refrigerant storage apparatus for absorption heating and cooling system In a two-stage absorption heating and cooling system with refrigerant storage apparatus for converting from a cooling to a heating mode of operation, provision is made to position the refrigerant storage tank in a location vertically above the condenser, ... | 06/18/2002 |
| 6324862 | Air cooler by enhanced evaporation and heater This novel device is an enhanced evaporative cooler, which can be transformed into a heater. It is embodied in a single unit with two operational modes. In the A or cooling mode it is comprised of two cooling stages, the first stage consists of an air blo... | 12/04/2001 |
| 6311504 | Absorption heat pump and method for controlling the same An absorption heat pump and controlling methods thereof for utilizing exhaust heat to obtain high- and low-temperature fluids. The absorption heat pump comprises: a regenerator 1 to which exhaust heat is supplied to evaporate and isolate a refrigerant fro... | 11/06/2001 |
| 6305182 | Absorption heating and cooling system having an improved refrigerant control apparatus A refrigerant control apparatus for use in an absorption heating and cooling system of the type which uses a refrigerant and an absorbent, and which includes a generator, a condenser, an absorber and an evaporator having an evaporator sump. The control ap... | 10/23/2001 |
| 6305181 | Heat pump able to operate with very low external temperature A heat pump in which there are provided two separate but mutually interacting and communicating absorption devices, in which in the evaporator of the first device a liquid is present having a low freezing point such as to be able to operate as a heat pump... | 10/23/2001 |
