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.

Date of Patent:
Nov. 07, 2006

Filed:

Dec. 06, 2002
Applicant:

James R. Gustafson, Granby, MA (US);

Inventor:

James R. Gustafson, Granby, MA (US);

Assignee:

Hamilton Sundstrand, Windsor Locks, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/275 (2006.01);
U.S. Cl.
CPC ...
Abstract

A gas turbine engine system includes an electric starter motor which utilizes a partially hollow or cupped shaped rotor. Space is provided inside the rotor to fit the required clutch, bearings, and drive shaft. A rotor shaft drives the input shaft through the clutch. The clutch is mounted within a clutch cavity formed within an annular housing portion of the housing. The annular housing portion is at least partially conical and preferably extends at least partially within a hollow rotor mounted to the rotor shaft. A short package is provided due to the telescoped architecture while retaining the maximum length for electromagnetics.


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Gustafson, James. (2006). Gas turbine engine system having an electric starter motor with integral clutch (U.S. Patent No. 7131275). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7131275

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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