发明授权
- 专利标题: Vehicular air-conditioner
- 专利标题(中): 车用空调
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申请号: US11087997申请日: 2005-03-23
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公开(公告)号: US07174733B2公开(公告)日: 2007-02-13
- 发明人: Mitsuyo Oomura , Toshinobu Homan
- 申请人: Mitsuyo Oomura , Toshinobu Homan
- 申请人地址: JP Kariya
- 专利权人: Denso Corporation
- 当前专利权人: Denso Corporation
- 当前专利权人地址: JP Kariya
- 代理机构: Harness, Dickey & Pierce, PLC
- 优先权: JP2004-092050 20040326
- 主分类号: F25D17/06
- IPC分类号: F25D17/06
摘要:
A vehicular air-conditioner wherein when a detected temperature of an inverter temperature sensor (22g) exceeds a predetermined value, an inverter (6) driving an electric motor (4) of an electric compressor (3) operates in an overheat protection mode for driving the electric motor by a heat protection speed different from the speed command value from the air-conditioning controller (20), secures the refrigerant flow rate, and cools itself. At this time, when a condenser fan (8) or vehicle compartment blower (14) is stopped by passenger operation or air-conditioning control, it is operated to promote the heat exchange at the heat exchangers, whereby it becomes possible to prevent an increase in the refrigerant pressure in the condenser (7) and prevent frost at the evaporator (11) and possible to protect against failure of function of the refrigeration cycle (2).
公开/授权文献
- US20050210897A1 Vehicular air-conditioner 公开/授权日:2005-09-29