Fuel injection pump for supercharged diesel internal combustion engines, in particular a distributor-type injection pump
US4308834A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1979 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Sep 28, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B3/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel injection pump is disclosed for supercharged Diesel internal combustion engines, in particular, a distributor-type injection pump in which the full-load fuel supply quantity is limited by means of a variable stop, controlled in accordance with rpm and air quantity. The injection pump includes a control apparatus whose control member forms a three-dimensional cam, which is rotated by a charge pressure control element and is displaced in the longitudinal direction by a hydraulic adjustment piston actuated in accordance with the rpm level. The three-dimensional surface of the cam includes protuberances whose profile is picked up and transmitted to a full-load stop of an rpm regulator located in an interior chamber of the injection pump, while the adjustment piston, in abutting relationship with the three-dimensional cam, is actuated for axial movement by the pressure of the fuel located in the interior chamber of the pump, and controlled in accordance with rpm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.