Bi-directional hydrodynamic slitted seal
US4451050A · kind A · utility
29Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 16, 1983 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | May 16, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3244
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A polytetrafluoroethylene seal with intersecting arcuate slitted grooves to effect bi-directional hydrodynamic pumping of oil due to rotation of a shaft about which the seal is disposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.