Nested serpentine seal assembly
US4526386A · kind A · utility
2Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1984 |
| Grant date | Jul 2, 1985 |
| Priority date | — |
| Expiry date | Apr 23, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J9/28
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A piston seal assembly comprises a seal element of relatively hard material to resist extrusion. The element is of serpentine configuration to facilitate radial expansion. Backup elements nest with the seal element to stabilize the element within a complementary piston groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.