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