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:
Jun. 16, 2015
Filed:
Apr. 04, 2012
Applicants:
Mark Gee, South Pasadena, CA (US);
Marshall Saville, Torrance, CA (US);
Keith Alan Hurley, Garden Grove, CA (US);
Inventors:
Mark Gee, South Pasadena, CA (US);
Marshall Saville, Torrance, CA (US);
Keith Alan Hurley, Garden Grove, CA (US);
Assignee:
HONEYWELL INTERNATIONAL INC., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/16 (2006.01); F01D 25/12 (2006.01); F02C 7/06 (2006.01);
U.S. Cl.
CPC ...
F01D 25/125 (2013.01); F01D 25/164 (2013.01); F02C 7/06 (2013.01); F05D 2240/52 (2013.01); Y02T 50/675 (2013.01);
Abstract
A turbomachine having gas cooled bearings may include an axially-oriented, cooling-gas passageway interconnecting first and second bearing chambers. The passageway may include grooves formed at an interface between an aerodynamic component of the turbomachine (e.g., a wheel or impeller) and a portion of a shaft assembly of the turbomachine.