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:
May. 29, 2012
Filed:
Nov. 04, 2008
Colin Young, Derby, GB;
Guy David Snowsill, Derby, GB;
Paul William Ferra, Derby, GB;
Clive Peter Gravett, West Midlands, GB;
Colin Young, Derby, GB;
Guy David Snowsill, Derby, GB;
Paul William Ferra, Derby, GB;
Clive Peter Gravett, West Midlands, GB;
Rolls-Royce PLC, , GB;
Abstract
A gas turbine engine comprising a rotor and a stator which define first, second and third cavities; the rotor and stator define a seal therebetween and which is located for sealing between the second and third cavities, the rotor comprises an aperture through which a gas flow passes from the first cavity to the second cavity characterized in that the seal comprises a deflector that extends axially over at least a portion of the aperture to deflect at least a part of the gas towards the rotor.