Fuel injection pump
US4940036A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1989 |
| Grant date | Jul 10, 1990 |
| Priority date | — |
| Expiry date | Feb 13, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M41/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A distribution fuel injection pump for delivering fuel to injection nozzles of an internal combustion engine, said distribution fuel injection pump comprising a pump working space communicating with the inlet connected with a fluid source and an outlet connected with the injection nozzles, at least one pump plunger defining at least partially said pump working space, a distributor piston having a distributor bore communicating the pump working space with the outlet and a relief bore communicating the a relief space, and a control valve for controlling fluid flow through the outlet, said control valve including a valve element for controlling fuel flow between distribution bore and the relief bore of the distributor piston.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.