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:
Apr. 12, 2022
Filed:
Nov. 22, 2019
Kalsi Engineering Inc., Sugar Land, TX (US);
Aaron P Richie, Missouri City, TX (US);
Lannie L Dietle, Arnold, MD (US);
Jeffrey D Gobeli, Houston, TX (US);
KALSI ENGINEERING, INC., Sugar Land, TX (US);
Abstract
A rotary shaft sealing assembly having a rotatable shaft, a seal housing having a groove bore located radially outward of and facing the rotatable shaft, and a sealing element in sealing contact with the shaft and groove bore. The sealing element having seal body first and second ends and tangs extending axially from the seal body first end. A shelf member has an outer groove wall and a shelf defining an inner groove wall. The inner and outer groove walls providing axial support to the sealing element in certain conditions of assembly and operation. The seal housing or the shelf member providing restraints, with a portion of the restraints in circumferential alignment with the tangs and blocking rotation of the sealing element. The shelf, located radially between the shaft and the restraints, blocks and prevents loss of the restraints.