Research/Patents/US 6129515
US 6129515

TURBINE AIRFOIL SUCTION AIDED FILM COOLING MEANS

Assignee

UNITED TECHNOLOGIES CORPORATION

Filed

Nov 20, 1992

Granted

Oct 10, 2000

Location

TEQUESTA FL US

Abstract

Film cooling effectiveness for internally air cooled turbine blades of gas turbine engines is enhanced by including an interconnecting passage to the film cooling hole that is in communication with a lower internal pressure in the blade to create a suction at the exit end of the film hole to limit penetration into the gas stream.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Apr 27, 1993

Rescinded

Dec 29, 1999

Duration

6 years, 8 months

Inventor

  • 1FRIEDRICH O. SOECHTING

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