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. 06, 2015
Filed:
Jun. 24, 2010
Applicants:
Stephen J. Dimelow, Uttoxeter, GB;
Ian C. D. Care, Derby, GB;
Inventors:
Stephen J. Dimelow, Uttoxeter, GB;
Ian C. D. Care, Derby, GB;
Assignee:
Rolls-Royce PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/052 (2006.01); F01D 5/30 (2006.01);
U.S. Cl.
CPC ...
F01D 5/3092 (2013.01);
Abstract
An assembly for the removal of contaminants from a contact zone between respective contact surfacesof a first componentand a second component. At least one of the contact surfaces has a low friction elementprovided with grooveswhich extend through the contact zone such that, in operation, a pressure difference across the contact zone causes contaminants entering the groovesto be expelled along the groovesfrom the contact zone.