Invention Grant
- Patent Title: Hydraulic pump end cover
- Patent Title (中): 液压泵端盖
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Application No.: US11930826Application Date: 2007-10-31
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Publication No.: US08974203B2Publication Date: 2015-03-10
- Inventor: Michael Tholan Crosby , Billie Frances Burleigh , Brian Timothy Painter
- Applicant: Michael Tholan Crosby , Billie Frances Burleigh , Brian Timothy Painter
- Applicant Address: US OH Cleveland
- Assignee: Parker-Hannifin Corporation
- Current Assignee: Parker-Hannifin Corporation
- Current Assignee Address: US OH Cleveland
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Main IPC: F04B53/10
- IPC: F04B53/10 ; F04B1/20

Abstract:
A pump having an endplate with an orifice provided between the system ports and the charge pump pressure cavity. Fluid flows through the orifice so as to soften a transition of the vehicle from a stationary position to a forward or reverse motion when a swash plate of the pump is angled slightly relative to a neutral or zero position.
Public/Granted literature
- US20080295682A1 HYDRAULIC PUMP END COVER Public/Granted day:2008-12-04
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