发明授权
- 专利标题: Displacement control valve for variable displacement compressor
- 专利标题(中): 可变排量压缩机位移控制阀
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申请号: US12256890申请日: 2008-10-23
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公开(公告)号: US08152482B2公开(公告)日: 2012-04-10
- 发明人: Satoshi Umemura , Tatsuya Hirose , Yuji Hashimoto , Norio Uemura , Ryosuke Cho , Keigo Shirafuji
- 申请人: Satoshi Umemura , Tatsuya Hirose , Yuji Hashimoto , Norio Uemura , Ryosuke Cho , Keigo Shirafuji
- 申请人地址: JP Aichi-Ken JP Tokyo
- 专利权人: Kabushiki Kaisha Toyota Jidoshokki,Eagle Industry Co., Ltd.
- 当前专利权人: Kabushiki Kaisha Toyota Jidoshokki,Eagle Industry Co., Ltd.
- 当前专利权人地址: JP Aichi-Ken JP Tokyo
- 代理机构: Locke Lord LLP
- 优先权: JP2007-276514 20071024
- 主分类号: F04B27/08
- IPC分类号: F04B27/08 ; F04B1/12 ; F25B49/00
摘要:
A displacement control valve for a variable displacement compressor. The displacement control valve includes a drive force transmission body, a pressure sensitive chamber, an internal passage, and a valve body. The valve body includes an annular seal which is contactable with a valve seat surface facing toward the first valve body. The drive force transmission body includes a drive rod and a valve body structure having a shaft passage and forming the first valve body. The drive rod is fitted to the shaft passage and coupled to the valve body structure so as to form a gap passage between an outer surface of the drive rod and a wall surface of the shaft passage. The internal passage includes a recess arranged radially inward from the annular seal, the shaft passage, and the gap passage. The gap passage is in direct communication with the recess.
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