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:
Apr. 14, 2015
Filed:
Apr. 04, 2012
Paul W. Ferra, Derby, GB;
Yi Wang, Nottingham, GB;
Paul W. Ferra, Derby, GB;
Yi Wang, Nottingham, GB;
ROLLS-ROYCE plc, London, GB;
Abstract
There is disclosed a gas coolerfor providing high-pressure sealing gas to a bearing chamber. The cooler comprises a turbine; a turbine inletarranged to receive gas to drive the turbine and a turbine outletarranged to deliver gas output from the turbine; a compressorarranged to be driven by the turbine; a compressor inletarranged to receive gas to be compressed by the compressor and a compressor outletarranged to deliver gas output from the compressor; and a cooler outletin fluid communication with the turbine outletand the compressor outletso as to deliver high-pressure sealing gas comprising gas merged from the turbine outletand the compressor outlet