Research/Patents/US 5383766
US 5383766

COOLED VANE

Assignee

UNITED TECHNOLOGIES CORPORATION

Filed

Jul 9, 1990

Granted

Jan 24, 1995

Location

JUPITER FL US

Abstract

A stator vane for a gas turbine engine wherein the airfoil section includes a plurality of pockets with an impingement hole at the upstream end of a passageway formed in the pocket and a slot formed on the opposite end of the pocket for discharging a film of cooling air along the outer surface of the air foil. The impingement hole and slot being arranged so that the flow of air in the passageway is in counterflow indirect heat exchange relationship with the gas path, thus placing the hottest part of the metal forming the pocket with the coolest air in the pocket.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 11, 1991

Rescinded

Jul 29, 1994

Duration

3 years, 4 months

Inventor

  • 1HANS R. PRZIREMBEL

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