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:
Nov. 27, 1979
Filed:
May. 30, 1978
Applicant:
Inventor:
Derek A Roberts, Bristol, GB;
Assignee:
Rolls-Royce Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
308-9 ; 3081 / ; 3082 / ;
Abstract
A bearing assembly between an inner and an outer shaft has two rolling bearings and two hydrodynamic or squeeze film bearings. The one film bearing is arranged between the outer race of the one rolling bearing and the outer shaft to damp vibration of the inner shaft. The other film bearing is arranged between the inner race of the other rolling bearing and the inner shaft to damp vibration of the outer shaft.