Patent · US Active

Shaft sealing apparatus and associated methods

US9869395B2 · kind B2 · utility

0Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2015
Grant dateJan 16, 2018
Priority date
Expiry dateFeb 11, 2035

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49297
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An improved sealing apparatus and associated methods are disclosed herein. The sealing apparatus includes a housing defining a center axis, an alignment element positioned around the center axis, and a sealing element fixedly attached with the alignment element. The alignment element has first and second protrusions extending toward the center axis. The sealing element has a third protrusion extending toward the center axis. The alignment element is made of a first material with less elasticity than a second material of which the sealing element is made.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.