发明授权
- 专利标题: Railcar cushion device valving systems
- 专利标题(中): 轨道式缓冲装置阀门系统
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申请号: US744493申请日: 1996-11-12
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公开(公告)号: US5826735A公开(公告)日: 1998-10-27
- 发明人: Glen L. Litten
- 申请人: Glen L. Litten
- 申请人地址: OR Springfield
- 专利权人: Emerald Rail Technologies, LLC
- 当前专利权人: Emerald Rail Technologies, LLC
- 当前专利权人地址: OR Springfield
- 主分类号: B61G9/08
- IPC分类号: B61G9/08 ; F16F9/34 ; F16F9/512 ; B61G9/16
摘要:
A valving system for a rail car cushion device including several pressure control relief sequence valves (PCRS) mounted in the cylinder wall of the cushion device each having hydraulic biasing applied to retain a valve piston against a seat until a preload pressure is reached, with one or more optional spike control (SC) valves mounted in a cushion device piston head.
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