Turbomachine Lubrication System with an Anti-Siphon Valve for Windmilling

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United States of America Patent

APP PUB NO 20140331639A1
SERIAL NO

14274703

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
TECHSPACE AERO S A4041 HERSTAL (MILMORT)

International Classification(s)

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  • 2014 Application Filing Year
  • F01C Class
  • 191 Applications Filed
  • 180 Patents Issued To-Date
  • 94.25 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cornet, Albert Verviers, BE 23 321
Raimarckers, Nicolas Tourinne (Braives), BE 23 259

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Patent Citation Ranking

  • 5 Citation Count
  • F01C Class
  • 18.40 % this patent is cited more than
  • 11 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges23947101 - 1011 - 2021 - 3005101520253035404550556065707580859095100

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