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:
Jun. 04, 2024

Filed:

Dec. 30, 2022
Applicant:

Inpro/seal Llc, Rock Island, IL (US);

Inventors:

Neil F. Hoehle, Solon, IA (US);

Chandhini Gowthaman, Bettendorf, IA (US);

Assignee:

Inpro/Seal LLC, Rock Island, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/44 (2006.01); F16J 15/18 (2006.01); F16J 15/447 (2006.01); F16J 15/54 (2006.01);
U.S. Cl.
CPC ...
F16J 15/187 (2013.01); F16J 15/441 (2013.01); F16J 15/4472 (2013.01); F16J 15/54 (2013.01);
Abstract

An illustrative embodiment of a shaft seal assembly generally includes a first stator, a second stator, and a throttle member. In one illustrative embodiment, the second stator may be formed with a main body and an access plate positioned radially interior with respect to a portion of the first stator. The first stator and second stator may engage one another about a semi-spherical interface comprised of a convex surface on the second stator and a concave surface on the first stator. The second stator may include an internal channel in which a throttle member may be positioned, wherein a radially interior surface of the throttle member may be positioned a shaft.


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