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:
May. 29, 1990
Filed:
Mar. 13, 1989
Applicant:
Inventors:
Delbert C Reisener, Glenview, IL (US);
Dennis G Pearson, Lake Zurich, IL (US);
Assignee:
Deublin Company, Northbrook, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 13 ; 285136 ; 285190 ; 285381 ;
Abstract
A multiple passage rotating union includes a housing assembly having a housing with an elongated cylindrical sleeve bearing of carbon graphite located in the axial bore of the housing and heat shrunk to the inner surface of the housing bore, the sleeve bearing defining the bearing surface for the rotor assembly of the rotating union and providing sealing between the fluid passageways through the rotating union.