The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 08, 1985
Filed:
May. 10, 1983
George Pask, Derby, GB;
Clive E Brett, Derby, GB;
Rolls-Royce Limited, London, GB;
Abstract
An aerofoil blade/disc assembly suitable for the compressor or turbine of a gas turbine engine comprising a rotor disc which has a circumferential, part-circular cross-section channel provided in its periphery for the reception of the correspondingly part-circular cross-section roots of an annular array of aerofoil blades. The arrangement is such that upon disc rotation, the aerofoil blades pivot with respect thereto until their platforms sealingly engage a circumferential radially extending flange provided on the disc periphery. A seal is provided between the aerofoil blades and the disc which reduces the leakage of gases between the aerofoil blade roots and their retaining channel.