High pressure pump for a fuel injection system of an internal combustion engine
US10174731B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 7, 2015 |
| Grant date | Jan 8, 2019 |
| Priority date | — |
| Expiry date | Oct 7, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/90
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The disclosure relates to internal combustion engines in general and may be applied to a high pressure pump for a fuel injection system of an internal combustion engine. In some embodiments, the pump includes: a pump housing including a piston guide and a plunger guide bore; a piston for compressing a fuel, the piston guided in the piston guide; and a roller plunger including a plunger skirt and a roller, the roller plunger transferring a translational movement from a cam of a camshaft driven by the internal combustion engine to the piston. The plunger skirt may include an outer region directed away from the roller and symmetrical about a plane of symmetry and an overall mass distributed asymmetrically about the plane of symmetry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.