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. 11, 2013
Filed:
Feb. 09, 2012
Applicants:
Ray D. Lickfold, Brighton, MI (US);
Gregg Williams, Walled Lake, MI (US);
Robert S. Thompson, Jr., White Lake, MI (US);
Inventors:
Ray D. Lickfold, Brighton, MI (US);
Gregg Williams, Walled Lake, MI (US);
Robert S. Thompson, Jr., White Lake, MI (US);
Assignee:
Williams International Co., L.L.C., Walled Lake, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A load applied to a low pressure spool of a two-spool turboshaft engine is controlled responsive to inlet pressure and temperature so as to regulate a relationship between the rotational speeds of the low and high pressure spools of the two-spool turboshaft engine so as to provide for operating the low pressure compressor attached to the low pressure spool with sufficient surge margin.