Scroll compressor with dual pocket axial compliance
US4992032A · kind A · utility
19Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1989 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | Oct 6, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C18/0261
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Two annular pressure pockets are used to push the orbiting scroll against the fixed scroll to minimize leakage. One pocket is at intermediate pressure and the other is at discharge pressure. The pockets are defined by the orbiting scroll and an axial ring. In the preferred embodiment inner and outer seals are carried by the axial ring and an intermediate seal is carried by the orbiting scroll whereby the pressure pockets are of an eccentric configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.