Rotating union with replaceable sealing assembly
US4817995A · kind A · utility
34Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1987 |
| Grant date | Apr 4, 1989 |
| Priority date | — |
| Expiry date | Feb 6, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C19/54
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rotating union including a seal assembly having a rotating seal member removably mounted in the rotor, a non-rotating floating seal member mounted in the housing of the union and keyed thereto to prevent rotation within the housing, and a bias assembly maintaining seal surfaces of the two seal members in engagement. In one embodiment, the combination of materials for the seal members provides a silicon carbide to carbon graphite seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.