Apparatus for sealing between a shaft and housing with multiple land members and seal members
US4451046A · kind A · utility
11Cited by
8References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 20, 1982 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Oct 20, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/927
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The shaft seal includes at least first and second annular land members that are located on the shaft and toward the housing, an annular spacer member positioned on the shaft between the land members, a generally annular seal member frictionally engaging the housing and located between the land members. The arrangement is such that changes in axial dimension of the shaft will cause repositioning of the seal member and thus maintain an effective seal between the shaft and the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.