Solenoid, solenoid valve, and shock absorber
US12106900B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2020 |
| Grant date | Oct 1, 2024 |
| Priority date | — |
| Expiry date | Aug 20, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F2007/086
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A solenoid includes a first fixed iron core and a second fixed iron core located on one axial end side and the other axial end side of a coil, a first movable member and a second movable member located between those fixed iron cores and configured to be attracted to the first fixed iron core and the second fixed iron core, respectively, by energization of the coil, a spring configured to bias the first movable member toward the second fixed iron core, and a first regulating portion made from a non-magnetic material, provided integrally with the first movable member or the second movable member, and configured to regulate movement of the first movable member toward the second fixed iron core with respect to the second movable member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.