- 专利标题： Piston cylinder arrangement for an oil free compressor having cooling passageways and method of cooling wrist pin bearing surface
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申请号： US15288295申请日： 2016-10-07
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公开(公告)号： US10208743B2公开(公告)日： 2019-02-19
- 发明人: Jeffrey Hritz
- 申请人： Westinghouse Air Brake Technologies Corporation
- 申请人地址： US PA Wilmerding
- 专利权人： Westinghouse Air Brake Technologies Corporation
- 当前专利权人： Westinghouse Air Brake Technologies Corporation
- 当前专利权人地址： US PA Wilmerding
- 代理机构： The Webb Law Firm
- 主分类号： F04B27/04
- IPC分类号： F04B27/04 ; F16J1/16 ; F04B39/06 ; F04B39/00 ; F04B53/14 ; F04B27/053 ; F04B35/01
摘要：
A piston cylinder arrangement for an air compressor including a cylinder, a connecting rod having a wrist pin receiving end, a wrist pin provided in the wrist pin receiving end of the connecting rod, and a piston provided on the connecting rod via the wrist pin and positioned within the cylinder. At least one passageway may be defined in the wrist pin to permit air to flow into the wrist pin from the cylinder.
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