Rotary compressor of oil cooling type with appropriate oil discharge circuit
US3936249A · kind A · utility
9Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 24, 1974 |
| Grant date | Feb 3, 1976 |
| Priority date | — |
| Expiry date | Sep 24, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C29/0007
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In rotary compressor of oil cooling type comprising; an unloader, a housing including a rotor chamber therein connected to said unloader, rotors housed within said housing, a reservoir for compressed air and oil connected through a check valve to a discharge port of said chamber and pipes for feeding oil from said reservoir into said chamber, the improvement wherein said rotary compressor further comprises an oil delivery pump is operatively connected to said rotors and an appropriate oil-discharge pipe is provided for delivering the cooling lubricant oil drawn from said port by said pump to said reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.