Fuel injector and check valve
US5328094A · kind A · utility
58Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1993 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Feb 11, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B3/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An improved high pressure fuel injector and check valve disks therefore having annularly spaced passages including holes. A preferred embodiment for EMD diesel and dual fuel engines is a unit injector with a flat circular valve disk having a plurality of equally spaced holes located in a ring closely inward of the ledge of an associated valve cage and closely outward of the orifice or delivery opening of an associated valve seat. Alternative disk and injector embodiments are contemplated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.