Accession Number : ADD006041

Title :   Flow-Closing Bleed Valve Assembly.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Springman,G F

Report Date : 12 Apr 1979

Pagination or Media Count : 14

Abstract : This inventive flow-closing bleed valve assembly is intended for use in starting a turbofan engine having a compressor section with: a fore-to-aft air flow therein; deteriorated clearances; and aft portion, and overboard duct outlets. Accordingly, the principal object of this invention is to provide a flow-closing bleed valve assembly to start such an aforementioned turbofan engine, by teaching the structure of a preferred embodiment thereof.

Descriptors :   *Patent applications, *Jet engine valves, *Bleed systems, *Turbofan engines, Clearances, Starting, Engine starters

Subject Categories : Pumps, Filters, Pipes, Tubing, Fittings & Vlvs
      Jet and Gas Turbine Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE