Adjustable shaft seal and method of adjustment
US4997191A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 17, 1989 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Oct 17, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3464
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A device having a rotary shaft extending through a housing, with the device including a shaft seal for affecting a substantially fluid tight seal between the shaft and the housing, wherein the shaft seal includes: a rotating seal member secured to and rotatable with the shaft, a stationary seal member for affecting sealing contact with the rotating seal member, and wherein the rotating seal member is adjustably mounted on the shaft. The invention provides a single mechanism for both transversely positioning the rotating seal member with respect to the shaft, and moving the rotating seal member to a predetermined axial position along the shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.