About 14 results
https://drivepatents.com/patents/967938 · 29 Oct 2014
An automotive air conditioner (1) includes a compressor (2), an external heat exchanger (5), an evaporator, and an auxiliary condenser (3). The external heat exchanger (5) functions as an external condenser during a cooling operation and also functions as ...
https://drivepatents.com/patents/978121 · 26 Feb 2014
A control valve includes a common body (504), a valve element (541) for regulating the opening degree of a proportional valve (51) by moving toward and away from a valve hole (520), a valve element (533), having a valve hole (528), for opening and closing ...
https://drivepatents.com/patents/979811 · 15 Jan 2014
A control valve according to one embodiment includes a common body (104) that contain a proportional valve (34) and a proportional valve (37), a common motor unit(102) for electrically regulating the opening degrees of the respective proportional valves, a...
https://drivepatents.com/patents/980602 · 25 Dec 2013
A control valve (100) includes a guiding passage (118), provided in a body (104), which is coaxially formed with a valve hole (120), a driven member structured such that a valve element (130), for opening and closing a valve section by touching and leaving...
https://drivepatents.com/patents/988757 · 17 Jul 2013
A flow control valve 32 includes a shaft 182 fixed to the body, a helical guide portion 184 provided along the axial direction of the shaft 182 on the outer periphery thereof, a rotation stopper 188 having an engagement portion that engages with the guide ...
https://drivepatents.com/patents/992247 · 27 Mar 2013
An automotive air-conditioner 1 includes: a first refrigerant circulating passage in which a refrigerant, discharged from a compressor 2 during a cooling operation and a heating operation, can circulate so as to return to the compressor 2 after passing thr...
https://drivepatents.com/patents/1070406 · 1 Feb 2006
A refrigerant-introducing chamber 12 in a body 10 of a refrigerant relief device and an open-to-atmosphere chamber 17 are isolated from each other by a metal thin film 13. The metal thin film 13 is tightly welded to the body 10. The metal thin film 13 rece...
https://drivepatents.com/patents/1073395 · 12 Oct 2005
An expansion device 4 has an expansion valve 8 that supplies throttled and expanded refrigerant to an evaporator 5, an electromagnetic valve 7 connected in series to the expansion valve 8, a check valve 9 that prevents backflow of refrigerant from the evap...
https://drivepatents.com/patents/1080633 · 19 Jan 2005
An ejector equipped refrigeration cycle for an automotive air conditioner, which is reduced in costs and uses an ejector comprises a variable displacement compressor which is driven by the vehicle engine. The compressor capacity is controlled by a capacity...
https://drivepatents.com/patents/1085808 · 7 Jul 2004
A solenoid valve 5 and a check valve 7 are arranged at an inlet and an outlet of the evaporator 6. When system operation is to be stopped, the solenoid valve 5 is closed while the compressor 1 continues to operate for a predetermined time to suck out refri...