发明授权
- 专利标题： Oil extractor for vehicle engines and the like
- 专利标题（中）： 用于车辆发动机的抽油机等
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申请号： US711601申请日： 1976-08-04
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公开(公告)号： US4078763A公开(公告)日： 1978-03-14
- 发明人: Naoyuki Yamamoto
- 申请人： Naoyuki Yamamoto
- 专利权人： Naoyuki Yamamoto
- 当前专利权人： Naoyuki Yamamoto
- 主分类号： F16K5/06
- IPC分类号： F16K5/06 ; F16K35/00
摘要：
This invention relates to a shut-off valve type oil extractor that can be screwed into an oil pan in a vehicle engine or the like, and more particularly it relates to an oil extractor of the said type which is characterized particularly in that it is locked in a shut-off state so that it won't be inadvertently opened by mechanical vibration caused during running of the vehicle.
公开/授权文献
- US5682773A Apparatus for improving atmospheric dye machines 公开/授权日：1997-11-04
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