Piston pump with reduced clearance volume
US7938057B2 · kind B2 · utility
1Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 22, 2006 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Oct 2, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B53/02
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a piston pump which is used to guide a fluid and which comprises a cylinder, a piston which is displacably arranged in the cylinder, a return element for the piston and a drive in order to displace the piston in the cylinder. The cylinder comprises a first area having a first internal diameter and a second area having a second internal diameter. The first internal diameter is greater than the second internal diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.