Research/Patents/US 5263820
US 5263820

COOLED AEROFOIL BLADE OR VANE FOR A GAS TURBINE ENGINE

Assignee

ROLS-ROYCE PLC, A BRITISH COMPANY

Filed

Sep 4, 1986

Granted

Nov 23, 1993

Location

DERBY EN GB

Abstract

A cooled aerofoil blade for a gas turbine engine has a hollow trailing edge region in which bridging members interconnect the convex and concave flanks of the blade. The bridging members are each provided with angled cooling passages which are in operation exposed to a cooling air flow and direct that flow onto the internal surfaces of the convex and concave flanks so as to provide impingement cooling thereof.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

May 1, 1987

Rescinded

Jan 14, 1993

Duration

5 years, 8 months

Inventor

  • 1HENRY TUBBS

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