Fuel injector having trapped fluid volume means for assisting check valve closure
US5429309A · kind A · utility
29Cited by
10References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 1994 |
| Grant date | Jul 4, 1995 |
| Priority date | — |
| Expiry date | May 6, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M59/366
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An improved fuel injector nozzle employs a hydraulic spring which controls displacement of a needle check to provide a desired rate of fuel flow through an injector orifice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.