Turbomachine Lubrication System with an Anti-Siphon Valve for Windmilling
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United States of America Patent
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Issued Date -
Nov 13, 2014
app pub date -
May 10, 2014
filing date -
May 10, 2013
priority date (Note) -
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Abstract
The present application relates an oil feed system for a turbomachine having a tank designed to contain a volume of oil, a pump designed to suck the oil from the tank and discharge it to at least one device on the turbomachine, and an anti-siphon valve designed to prevent the flow of oil to the device or devices. The anti-siphon valve is located upstream of the pump and is designed to allow the flow of oil when the speed of the pump becomes higher than a speed R1. The present application also relates to a turbojet fitted with a fan and two anti-siphon valves designed to open at different rotational speeds of the first pump.
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