发明授权
- 专利标题： Vane pump with coated vanes
- 专利标题（中）： 具有涂层叶片的叶片泵
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申请号： US12211856申请日： 2008-09-17
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公开(公告)号： US08092201B2公开(公告)日： 2012-01-10
- 发明人: Yoshihiro Tsukahara , Tomohiro Tanaka
- 申请人： Yoshihiro Tsukahara , Tomohiro Tanaka
- 申请人地址： JP Gyoda-Shi
- 专利权人： Showa Corporation
- 当前专利权人： Showa Corporation
- 当前专利权人地址： JP Gyoda-Shi
- 代理机构： Babcock IP, PLLC
- 优先权： JP2007-308044 20071128
- 主分类号： F01C21/00
- IPC分类号： F01C21/00 ; F04C15/00 ; F04C29/00
摘要：
Provided is a vane pump. In the vane pump, a high-hardness main coating layer is provided on a distal end portion of each vane, and an intermediate coating layer having an intermediate hardness between a hardness of a base material of the vane and a hardness of the main coating layer is provided between the base material of the vane and the main coating layer.
公开/授权文献
- US20090136374A1 Vane Pump 公开/授权日：2009-05-28