Vane cell pump
US6120270A · kind A · utility
7Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 16, 1998 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | Apr 16, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01C21/0809
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A vane cell pump comprises a lifting ring forming at least one suction and one pressure chamber, a rotor movably arranged in the lifting ring and having radially movable vanes, and at least one pressure plate forming a lateral surface of the suction and pressure chamber, characterized in that the pressure plate (23, 25) is made of a near or hypo-eutectic aluminium alloy which contains silicon and which undergoes heat treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.