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.

Date of Patent:
Jul. 23, 2013

Filed:

May. 22, 2008
Applicants:

Brian Roche, Schwenksville, PA (US);

Glenn Garrison, Perkiomenville, PA (US);

Hiren Patel, Harleysville, PA (US);

John Eppehimer, Fleetwood, PA (US);

Manik Vasagar, Hatfield, PA (US);

Mark Sanville, Souderton, PA (US);

Saji Pillai, Collegeville, PA (US);

Inventors:

Brian Roche, Schwenksville, PA (US);

Glenn Garrison, Perkiomenville, PA (US);

Hiren Patel, Harleysville, PA (US);

John Eppehimer, Fleetwood, PA (US);

Manik Vasagar, Hatfield, PA (US);

Mark Sanville, Souderton, PA (US);

Saji Pillai, Collegeville, PA (US);

Assignee:

Stein Seal Company, Kulpsville, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 15/40 (2006.01); F16J 15/44 (2006.01); F16J 15/447 (2006.01); F01D 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a windback device and method of use to prevent lubricant from leaking from a lubricant sump. More specifically, the present invention is comprised of a windback device within a lubricant sump formed from the coupling of an annular sump housing, an annular fluid seal assembly, and a bearing. The annular housing substantially surrounds the runner to form a chamber. The seal assembly is coupled to a sump housing both of which are adapted to receive a rotatable runner such that a sealed chamber is formed around the runner. A plurality of inclined threads extend along an inner face of the windback device and are angled such that lubricant or fluid splashed from the rotating shaft is redirected away from a shaft seal element of the annular fluid seal and through leak off slots leading to the sump housing chamber.


Find Patent Forward Citations

Roche, Brian. (2013). Windback device (U.S. Patent No. 8490982). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8490982

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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