Compact integrated face seal unit
US4502697A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 17, 1984 |
| Grant date | Mar 5, 1985 |
| Priority date | — |
| Expiry date | May 17, 2004 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/348
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A sealing arrangement for a machine having a shaft. The arrangement includes a hub constructed to be seated on the shaft, an impeller wheel connected to the hub, a counter-ring disposed axially of the impeller wheel and cooperating with the impeller wheel, a slide ring seal disposed axially of the counter-ring with the counter-ring being located between the slide ring seal and the impeller wheel, and a connecting element comprised of the same material as, and integral with the impeller wheel. The connecting element presents a circumferential face of the sealing arrangement and extends in the axial direction of the impeller wheel, axially holding together the impeller wheel, hub, counter-ring and slide ring seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.