Patent · US Expired

Labyrinth ring seals with housing mounting means

US4572517A · kind A · utility

25Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 1985
Grant dateFeb 25, 1986
Priority date
Expiry dateJul 26, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/4474
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A ring seal comprises mating stationary and rotary sealing rings, the rotary sealing ring comprising a first portion of one diameter fitting within a first portion of the stationary ring to be mounted in an opening in a housing and a second portion of a larger diameter fitting within an enlarged portion of the stationary ring. The ring seal further comprises in combination a plurality of elastomeric mounting rings having an inner diameter adapted for mounting on the first portion of the stationary ring and having different predetermined diameters of openings in housings in which the ring seal may be mounted.

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