Rotary piston compressor having pistons rotating in the same direction
US4152100A · kind A · utility
8Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1977 |
| Grant date | May 1, 1979 |
| Priority date | — |
| Expiry date | Mar 2, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C18/26
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a rotary piston machine the main rotary piston makes sealing engagement with at least one end wall of the main rotor bore and at least one inlet port is provided in that end wall and is located within the compass of the cylindrical portion of the main rotary piston, the main rotary piston is cut-away to open the inlet port to the working spaces of the machine, which are defined by the main and auxiliary rotor bores, the outer peripheries of the rotary pistons and the end walls of the housing, in order to induce working fluid into such spaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.