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:
May. 19, 1998
Filed:
Jul. 26, 1995
Applicant:
Inventors:
Bradley C Schafer, Vernon, CT (US);
John C Szillat, Rockville, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C / ;
U.S. Cl.
CPC ...
60 3924 ; 60 39281 ; 60 3929 ;
Abstract
Indications of non-recoverable compressor surge and blowout are provided by sensing compressor pressure, temperature and speed and comparing exhaust temperature with stored values and successive values depending upon instantaneous compressor speed and its derivative. Blowout indication is provided in timed intervals that are reset if surge indications are present.