Solenoid construction
US4254935A · kind A · utility
6Cited by
1References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1979 |
| Grant date | Mar 10, 1981 |
| Priority date | — |
| Expiry date | Aug 27, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M51/0628
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A solenoid valve including an armature having axially spaced circumferential grooves and magnetizable discs extending into the grooves. The discs are formed in at least two parts to permit assembly of the discs into the grooves and are offset in the grooves. A winding is provided which when energized polarizes the discs so that adjacent discs have opposite magnetic polarity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.