- 专利标题： HYDROMECHANICAL CUTOFF DEVICE WITH HYSTERESIS FOR A TURBOMACHINE LUBRIFICATION SYSTEM
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申请号： US15827532申请日： 2017-11-30
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公开(公告)号： US20180156139A1公开(公告)日： 2018-06-07
- 发明人: Bellal Waissi
- 申请人： Safran Aircraft Engines
- 优先权： FR1661836 20161202
- 主分类号： F02C9/46
- IPC分类号： F02C9/46 ; F02C7/06 ; F02C7/232
摘要：
The invention relates to a lubrication system for turbomachine. The hydromechanical cutoff device is configured to close when a rotation speed of a turbomachine shaft reduces and becomes lower than a first threshold, and wherein the hydromechanical cutoff device is configured to open when the rotation speed of the shaft increases and becomes higher than a second threshold higher than the first threshold.
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