Labyrinth ring seals with housing mounting means
US4572517A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 1985 |
| Grant date | Feb 25, 1986 |
| Priority date | — |
| Expiry date | Jul 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.