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. 09, 1979
Filed:
Mar. 13, 1978
Applicant:
Inventor:
Robley G Kirk, Easton, PA (US);
Assignee:
Ingersoll-Rand Company, Woodcliff Lake, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 65 ; 277 27 ; 308160 ;
Abstract
According to embodiments shown, the novel oil seals employ tilting pads, such as are used in bearing practices, to avoid or reduce the cross-coupled stiffness of cylindrical, hydrodynamic bearings. The tilting pads and cooperative grooved, sealing lands are arranged to effect a maximum sealing within a minimum axial length.