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:
Dec. 31, 2019
Filed:
Nov. 04, 2016
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
Kevin Duffy, Hartford, CT (US);
Anthony Spagnoletti, Newington, CT (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 33/76 (2006.01); F16C 35/04 (2006.01); F01D 25/16 (2006.01); F02C 7/06 (2006.01); F16C 33/72 (2006.01);
U.S. Cl.
CPC ...
F16C 33/766 (2013.01); F01D 25/162 (2013.01); F16C 35/04 (2013.01); F05D 2220/32 (2013.01); F16C 2360/23 (2013.01);
Abstract
A bearing compartment assembly includes a bearing compartment with a bearing and a plenum, a buffer system that supplies pressure to an exterior of the bearing compartment, and a reactive volume vessel connected to the bearing compartment. The reactive volume vessel has a displaceable member that is movable between two positions, one of which adds additional volume to the bearing compartment.