Injector for engine with spark ignition and direct injection
US4917352A · kind A · utility
15Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1988 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | May 6, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Electromagnetic injector of the pressure-time type, which comprises a toric electromagnet coil (2, 12) of the axisymmetric solid type, housed in a magnetic circuit support (13), as well as a mobile element consisting of a plane plate (3) solid with a liner (4) which moves a suspended needle (18) forming with a seat (45, 19), reverse clack (41) of the injector, the needle being kept at rest by return spring (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.