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:
Jul. 10, 2012
Filed:
Feb. 22, 2008
Gordon F. Jewess, San Diego, CA (US);
Tuan H. Nguyen, San Diego, CA (US);
Tammy L. Lane, San Diego, CA (US);
Reginald G. Keetley, San Diego, CA (US);
Gordon F. Jewess, San Diego, CA (US);
Tuan H. Nguyen, San Diego, CA (US);
Tammy L. Lane, San Diego, CA (US);
Reginald G. Keetley, San Diego, CA (US);
Hamilton Sundstrand Corporation, Rockford, IL (US);
Abstract
A rotor assembly for a miniature gas turbine propulsion system comprises a centrifugal compressor wheel, a turbine wheel, a shaft and a tie bolt. The centrifugal compressor wheel includes a first curved tooth coupling, and the turbine wheel includes a second curved tooth coupling interconnected with the first curved tooth coupling. The shaft extends from the centrifugal compressor wheel, and the tie bolt extends between the shaft and the turbine wheel to bring the first curved tooth coupling into compression with the second curved tooth coupling. As such, the compressor wheel and the turbine wheel are assembled and remain, over the operational envelope of the propulsion system, in a reliably robust aligned configuration.