Invention Grant
- Patent Title: Piston cylinder arrangement for an oil free compressor having cooling passageways and method of cooling wrist pin bearing surface
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Application No.: US15288295Application Date: 2016-10-07
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Publication No.: US10208743B2Publication Date: 2019-02-19
- Inventor: Jeffrey Hritz
- Applicant: Westinghouse Air Brake Technologies Corporation
- Applicant Address: US PA Wilmerding
- Assignee: Westinghouse Air Brake Technologies Corporation
- Current Assignee: Westinghouse Air Brake Technologies Corporation
- Current Assignee Address: US PA Wilmerding
- Agency: The Webb Law Firm
- Main IPC: F04B27/04
- IPC: F04B27/04 ; F16J1/16 ; F04B39/06 ; F04B39/00 ; F04B53/14 ; F04B27/053 ; F04B35/01
Abstract:
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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