Symmetrical seal package for multiple face seals
US4377290A · kind A · utility
31Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 22, 1982 |
| Grant date | Mar 22, 1983 |
| Priority date | — |
| Expiry date | Mar 22, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3484
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A symmetrical package seal containing two balanced end face seals, the stationary components being adapted for use with shafts of different sizes. In addition, the package seal has means for centering the rotating components relative to the stationary components, for aligning the sealing faces parallel contact, and for bleeding fluid from the chamber formed by the end face seals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.