Fuel injection control device
US7240856B2 · kind B2 · utility
2Cited by
11References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 21, 2004 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Nov 21, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M57/027
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
This fuel injection control device includes: a fuel injection valve; a piezoelectric element or a solenoid which drives the fuel injection valve; a fuel pump which pressurizes fuel and supplies it to the fuel injection valve; a magnetostrictive element which drives the fuel pump; and a magnetostrictive element driving coil which drives the magnetostrictive element; and the magnetostrictive element driving coil also serves as a voltage elevation coil for a drive circuit which drives the piezoelectric element or the solenoid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.