Solenoid valve closure part and recycling circuit for the petrol vapours of internal combustion engines
US5657962A · kind A · utility
16Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Nov 17, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86944
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A solenoid valve closure part comprising a seat and a solenoid coil, the valve closure part including the free end of a movable core within the hub of the coil, and further including an intermediate component capable of bearing against the seat and itself comprising a second seat, facing the first seat and of a lesser cross section than that of the first seat, the free end of the movable core being capable of bearing against the second seat and an elastic element being provided to press the intermediate component away from the first seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.