Twin-shaft vacuum pump and method of forming same
US7192262B2 · kind B2 · utility
1Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2004 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | May 29, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C18/126
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A twin-shaft vacuum pump includes two shafts and two rotors supported on respective shafts and cooperating with each other for producing a pumping effect, with each rotor being formed of a plurality of discoid components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.