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:
Dec. 12, 1978
Filed:
Sep. 30, 1976
Applicant:
Inventors:
Karl Hormann, Dittelbrunn, DE;
Hans Weigand, Schweinfurt, DE;
Assignee:
Kugelfischer Georg Schafer & Co., Schweinfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
308187 ; 308216 ;
Abstract
A bearing race ring, especially for high-speed applications, e.g. in jet engines, turbines and high-speed power plants, comprises an annular metallic body formed along one of its inner or outer surfaces with axially extending grooves which are inclined to the axis of the ring. Preferably each groove begins at a level at which an adjacent groove terminates and the angle which the groove makes with the longitudinal axis is defined by the formula ##EQU1## WHEREIN .alpha. IS THE AFOREMENTIONED ANGLE, D IS THE DIAMETER OF THE SURFACE PROVIDED WITH THE GROOVE, N IS THE NUMBER OF GROOVES AND B IS THE WIDTH OF THE RING.