Volume ratio control means for axial flow helical screw type compressor
US4457681A · kind A · utility
7Cited by
12References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1981 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Jun 16, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C28/125
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The high pressure end wall of an axial flow helical screw type compressor has a slide member which is movable transversely of the rotors for controlling the size of the discharge passage through the end wall and is controlled by sensing means responsive to the pressure at the end wall and in the discharge area in order that full compression which is substantially equal to the pressure at discharge may be obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.