发明授权
- 专利标题： Valve rotator
- 专利标题（中）： 阀门旋转器
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申请号： US3717132D申请日： 1971-11-05
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公开(公告)号： US3717132A公开(公告)日： 1973-02-20
- 发明人: VAN SLOOTEN L
- 申请人： GEN MOTORS CORP
- 专利权人： Motors Liquidation Co
- 当前专利权人： Motors Liquidation Co
- 优先权： US19598271 1971-11-05
- 主分类号： F01L1/32
- IPC分类号： F01L1/32 ; F16K29/00
摘要：
A valve rotator having a spring washer interposed between a spring retainer collar and a retainer cap, a plurality of radial ball-ramps being provided in the retainer cap with a ball positioned in each of the ramps in rolling contact with the spring washer, the balls being retained therein and biased radially inward by means of an annular spring engaging all of the balls.
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