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:
Jan. 01, 1991
Filed:
Aug. 16, 1989
Applicant:
Inventors:
Ronald A Marmol, Palm Beach Gardens, FL (US);
Walter E Wojcicki, Nashville, TN (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ; F16C / ;
U.S. Cl.
CPC ...
4151742 ; 415231 ; 416174 ; 384 99 ; 384215 ;
Abstract
A relatively less complex segmented spring mounted under the bearing and damper or the same configuration segmented spring mounted on either side of the bearing and damper serves to center the shaft of a rotor of a gas turbine engine and is characterized as being simple, occupying minimum space, but being capable of maintaining an adequate fatigue stress margin.
Marmol, Ronald. (1991). Support for oil film dampers (U.S. Patent No. 4981415). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4981415
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile