Patent · US Expired

Rotation shaft seal

US6367811B1 · kind B1 · utility

20Cited by
15References
11Claims
0Family size

Assignees

Inventors

Key dates

Filing dateNov 22, 1999
Grant dateApr 9, 2002
Priority date
Expiry dateNov 22, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/3232
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rotating shaft seal provided with a seal element, arranged between a housing and a rotation shaft, which contacts the rotation shaft, and a seal member made of rubber having a lip end portion, disposed on a fluid storing chamber side to the seal element, which contacts the rotation shaft, comprising a supporting metal for supporting a rear face of the seal member of rubber.

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