DECUR
Research/Patents/US 5720434
US 5720434Tier 3 — General Defense

COOLING APPARATUS FOR AIRCRAFT GAS TURBINE ENGINE EXHAUST NOZZLES

Assignee

General Electric

Filed as: GENERAL ELECTRIC COMPANY A CORP. OF NEW YORK

Filed

Nov 5, 1991

Granted

Feb 24, 1998

Location

MARBLEHAED MA US

Abstract

The present invention provides coolable exhaust nozzle flap and seal assemblies having liners that are spaced inward and apart from their respective flap and seal cool walls, to form a cooling passage therebetween that converges in the axial downstream flow direction. One embodiment provides single wall multi-hole film cooled nozzle flap and seal liners particularly for use individually or in combination on convergent and divergent hollow flaps and seals for variable exhaust nozzles. Flap and seal coolable assemblies may be unitary structures that are integrally fabricated or formed such as by casting.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Apr 6, 1992

Rescinded

Apr 9, 1997

Duration

5 years

Inventor

  • 1JOHN W. VDOVIAK

Technology Domains

PropulsionAviation

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External Sources

Google Patents — US 5720434USPTO Full Patent (PDF)Browse active SO patents

Record Details

Patent number
US 5720434
Application
07787983
Aerospace match
Yes
Dataset source
35 USC §181 SO records

Browse by Assignee

General Electric
Back to patent indexSource: USPTO 35 USC §181 secrecy order records