Electromagetically actuated fuel atomising and metering valve of very small dimensions
US5263649A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1992 |
| Grant date | Nov 23, 1993 |
| Priority date | — |
| Expiry date | Oct 13, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M61/168
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The valve substantially comprises a ferromagnet element provided with a flat bottom wall in which is formed an injection orifice, a first annular wall, adapted to house a movable shutter member and at least partially house an armature fixed to the member itself, and a second annular wall coaxial with the first and adapted to house the lower end of a core and a sealing ring interposed between the wall and the core; the valve further includes a tubular casing of sheet metal adapted to contain an electromagnet and the core, and the lower end of the casing overlying at least a part of the wall of the ferromagnet element and being fixed to this by laser welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.