Fluid pump and high-pressure fuel feed pump
US7744353B2 · kind B2 · utility
8Cited by
3References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 5, 2001 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Oct 16, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fluid pump has a cylinder supporting a plunger and a pump housing formed with dissimilar metals. A pressing mechanism presses the cylinder and the pump housing relative to each other so that a pressurizing chamber is sealed through a pressing surface between the pump housing and the cylinder. The number of seal points can be reduce, and a reduction in reliability can be eliminated while realizing a reduction in weight of the pump housing and a reduction in cost due to increase in cutting capability, by using a soft material such as an aluminum alloy for the pump housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.