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:
Mar. 13, 1990
Filed:
May. 25, 1988
Applicant:
Inventor:
George W Kelch, Palm Beach Gardens, FL (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C / ;
U.S. Cl.
CPC ...
415-1 ; 415104 ; 415118 ; 7386249 ;
Abstract
In a gas turbine engine a novel method and apparatus that measures axial thrust loads in engine bearings is characterized by a controller which dynamically selects axial loads on an engine thrust bearing by varying internal gas pressures in bearing trim cavities in accordance with a predetermined schedule.