Seal with spring energizer
US5265890A · kind A · utility
106Cited by
43References
12Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Dec 3, 1990 |
| Grant date | Nov 30, 1993 |
| Priority date | — |
| Expiry date | Dec 3, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3236
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The seal apparatus includes a resilient member having at least one sealing surface thereon and an engagement surface spaced up from the sealing surface. A spring's position to bias the sealing surface and flexible or elastic means are disposed in and about the spring in order to substantially increase the useful life of the resilient member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.