Pressure regulator for fuel injection systems
US5402817A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1994 |
| Grant date | Apr 4, 1995 |
| Priority date | — |
| Expiry date | Apr 20, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8085
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pressure regulator including first and second chambers, separated by a diaphragm. By means of a tube centrally penetrating the diaphragm, fuel can be fed under pressure into a first chamber for delivery to an engine. The second chamber communicates with a fuel tank through a spillway and includes therein a compression spring of an overflow valve for diverting fuel from the tube. The overflow valve is embodied as a slide valve and includes a sleeve-like slide that is joined to the diaphragm and has a control opening that cooperates with a control groove of the tube. The pressure regulator for fuel injection systems is intended for disposition in or on a fuel tank so that any returned fuel is led directly into the tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.