Fuel supply apparatus
US6152110A · kind A · utility
3Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 1999 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Feb 12, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fuel supply apparatus includes: a high-pressure pump driven by an engine and ejecting high-pressure fuel; a delivery pipe storing the high-pressure fuel ejected from the high-pressure pump in a pressurized state; and a high-pressure regulator having a valve and a valve seat, and adjusting the fuel pressure in one of the high-pressure pump and the delivery pipe. At least one of abutment surfaces of the valve and the valve seat is set to have a hardness of Hv800 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.