High speed solenoid
US9472330B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2014 |
| Grant date | Oct 18, 2016 |
| Priority date | — |
| Expiry date | Nov 5, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/1607
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is provided a high speed solenoid having enhanced response characteristics. The high speed solenoid includes: a movable shaft linearly movable in an axial direction; a movable coil unit coupled to the movable shaft; and a magnetic field forming unit forming a magnetic field in a direction perpendicular with respect to that of a current flowing in the movable coil unit, wherein when a current is applied to the movable coil unit, the movable coil unit is moved by a magnetic field formed by the magnetic field forming unit to move the movable shaft. According to the high speed solenoid, the weight of a moving part is significantly reduced, and since an electrical time constant is small, a response speed of the solenoid may be enhanced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.