Research/Patents/US 4798514
US 4798514

NOZZLE GUIDE VANE STRUCTURE FOR A GAS TURBINE ENGINE

Assignee

ROLLS-ROYCE LIMITED

Filed

Jun 24, 1980

Granted

Jan 17, 1989

Location

STANTON-BY-BRID GB

Abstract

A nozzle guide vane assembly for a gas turbine engine comprises inner and outer porous sheet metal platform rings and a plurality of aerofoils extending between the rings, each of the aerofoil portions having mounting means at its inner and outer extremities by which the aerofoils, and thus the rings, are supported from fixed engine structure.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Jun 24, 1982

Rescinded

Dec 1, 1987

Duration

5 years, 5 months

Inventor

  • 1GEORGE PASK

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