Vane pump
US7955063B2 · kind B2 · utility
0Cited by
13References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2008 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | May 15, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2240/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A vane pump comprising a case, a rotor disposed in the case, the rotor having a bore, a plurality of vanes radially moveable with respect to the rotor extend from the rotor, a drive shaft engaged with the bore, a second shaft fixedly connected to the case and extending from the case to slidingly engage the bore, a land extending from each end of the rotor, each land cooperating with the case to seal a fluid flow, and each land further axially controlling a rotor position within the case by a sliding engagement, and the drive shaft retainable in a predetermined position with respect to the case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.