Screw compressor having asymmetric seal around rotor axis
US7802974B2 · kind B2 · utility
2Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2004 |
| Grant date | Sep 28, 2010 |
| Priority date | — |
| Expiry date | May 1, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49236
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A compressor includes a male rotor (26) having a screw-type boy portion (30) extending from a first end (31) to a second end (32) and held within a housing assembly for rotation about a first rotor axis (500). A female rotor (27, 28) has a screw-type female body portion (33, 34) meshed with the male body portion and extending from a first end (35, 36) to a second end (37, 38) and held within the housing assembly for rotation about a second rotor axis (501, 502). An end seal (120) has a first surface (126) engaging the female body portion first end and being asymmetric around the second axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.