Solenoid valve
US4790351A · kind A · utility
30Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 12, 1988 |
| Grant date | Dec 13, 1988 |
| Priority date | — |
| Expiry date | Apr 12, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87217
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The solenoid valve comprises a mounting base (1) having an inner projecting part (7) supporting an upper piece (14) via a tubular supporting piece (13), the assembly being joined together by way of a cover (21) crimped (26) on the mounting base. The plunger structure comprises a core of magnetizable material (31), sliding in a bore (15) in the upper piece (14), and a tubular extension piece (27) made of non-magnetic material and sliding in a bore (10) in the projecting part (7) of the base, inserts of various shapes (36; 41) being arrangeable in the base (1) and in the upper piece (14).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.