Automatic Shut-Off Valve For The Oil Circuit In An Airplane Engine
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United States of America Patent
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N/A
Issued Date -
Aug 26, 2010
app pub date -
Dec 21, 2009
filing date -
Dec 23, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention concerns a lubrication system in a closed circuit provided with a valve comprising a first position and a second position, as well as an IN inlet, a first BP outlet and a second M outlet, said IN inlet being connected to the outlet of the feed pump, the first BP outlet being connected to the bypass circuit and the second M outlet being connected to the feed circuit. In the first position of the valve, the flow entering via the IN inlet is diverted to the first BP outlet and in the second position, the incoming flow is diverted to the second M outlet, said valve switching from the first position to the second position and vice versa, when the incoming flow rate exceeds a predetermined threshold upwards and downwards respectively.
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