Patent · US Expired

Mechanical seal without elastomers

US7029012B2 · kind B2 · utility

4Cited by
10References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 8, 2002
Grant dateApr 18, 2006
Priority date
Expiry dateMar 8, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/38
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A seal that provides sealing between a rotatable shaft and a housing has a stationary part for connection to the housing and a rotary part for rotation with the shaft. The rotary part includes a sleeve for mounting on the shaft. One end of the sleeve is provided with a non-elastometric sealing arrangement. The sealing arrangement has sealing surfaces for contacting outer circumferential surfaces of the sleeve and the shaft as well as means for effecting sealing engagement between each of said sleeve and said shaft and a respective sealing surface.

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