Double-flow gas friction pump
US5927940A · kind A · utility
4Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 7, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Aug 7, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D19/044
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A double-flow gas friction pump including a shaft supported in the pump housing and extending at a right angle to an axis of the suction port, a rotor fixedly secured on the shaft for joint rotation therewith, a stator fixedly secured in the housing and cooperating with the rotor for pumping gas, and a discharge element located in the suction region of the pump and operatively connected with the shaft for joint rotation with the shaft and the rotor for conducting the gas from the suction port directly to the stator and the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.