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:
Mar. 15, 2022
Filed:
Oct. 05, 2018
Applicant:
Deublin Company, Waukegan, IL (US);
Inventors:
Anton A. Petrou, Hawthorn Woods, IL (US);
Lisa Freed, Cary, IL (US);
Assignee:
Deublin Company, LLC, Waukegan, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 39/04 (2006.01); F16L 39/06 (2006.01);
U.S. Cl.
CPC ...
F16L 39/04 (2013.01); F16L 39/06 (2013.01);
Abstract
A rotary union includes a housing having a shaft rotatably mounted in a bore. A plurality of annular plates is mounted on the shaft in spaced relation, and a plurality of spools is disposed in alternating fashion between the plurality of annular plates on the shaft. Each spool includes two seal rings creating mechanical face seals with adjacent annular plates. The shaft, the plurality of annular plates and the plurality of spools are arranged to assemble in a stacked arrangement, which is insertable as a whole into the cylindrical bore of the housing.