Apparatus for reducing the transmission for noise from the fuel rail in a direct injection engine
US7793639B2 · kind B2 · utility
5Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2008 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Jan 22, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/9015
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An apparatus which reduces engine noise caused by vibration of the fuel rail in a direct injection internal combustion engine. The apparatus includes a holder which supports a fuel inlet end of the fuel injector in the fuel cup on the fuel rail so that the fuel injector is in alignment with the direct injection fuel port in the engine head. A vibration isolator is sandwiched in between the holder and either the engine head or the fuel cup to reduce the transmission of vibration from the fuel rail to the engine head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.