Coupling device
US8171917B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2010 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Aug 4, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/856
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A coupling device for hydraulically and mechanically coupling an injection valve to a fuel rail of a combustion engine, has a fuel injector cup with a central longitudinal axis which can be hydraulically coupled to the fuel rail and at least partially engaged with the fuel inlet tube. The cup has an inner bottom surface facing the valve, a first retaining element fixedly coupled to the cup, a second retaining element fixedly coupled to the valve, wherein the second retaining element is coupled to the first element to prevent a movement of the second element relative to the first element in a first axis direction, and a damper element which is arranged axially between the inner bottom surface of the cup and the inlet tube. The damper element limits a movement of the valve relative to the cup in a second direction of the longitudinal axis opposing the first direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.