Coupling device
US10393080B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2011 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Apr 29, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/857
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A coupling device for coupling a fuel rail to a cylinder head of a combustion engine may include: a fuel injector cup coupled to the fuel rail and facing the cylinder head, a first fastening element facing the fuel injector cup and fixedly coupled to the cylinder head, at least one first spring element arranged between the first fastening element and the fuel injector cup and/or between the fuel injector cup and the cylinder head, a support element arranged between the fuel rail and the cylinder head and fixedly coupled to the fuel rail, a second fastening element engaged with the support element and fixedly coupled to the cylinder head, and at least one second spring element arranged between the second fastening element and the support element and/or between the support element and the cylinder head. The first spring element(s) may comprise metal, and the second spring element(s) may comprise plastic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.