Timing mechanism for a fuel supply system
US4249499A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 21, 1980 |
| Grant date | Feb 10, 1981 |
| Priority date | — |
| Expiry date | Jan 21, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M59/30
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
This disclosure deals with a mechanism for adjusting the timing of initiation of injection by a fuel injector of an internal combustion engine. The mechanism includes a piston connected to be moved by a drive for the injector, and another piston which is connected to move the plunger of the injector. A timing fluid supply is provided for feeding a timing fluid into a timing chamber formed between the two pistons under selected operating conditions, the timing fluid forming a hydraulic link between the two pistons. The mechanism further includes pressure relief means for releasing a portion of the timing fluid after the termination of injection, the relief means comprising a pressure responsive mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.