Linear actuating device for vehicle use
US8604647B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2011 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Oct 2, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K35/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A linear actuating device includes a track unit having an insulating sleeve made of non-metallic material and surrounding an axis, a plurality of coils mounted spacedly and sleevingly on the insulating sleeve along the axis, and a shell containing the insulating sleeve and the coils. The linear actuating device also includes a forcer unit having an elongate member extending through the insulating sleeve, having a segment configured for connecting to a vehicle shaft, and being movable along the axis relative to the insulating sleeve. The forcer unit also includes a plurality of magnets mounted spacedly relative to the axis and sleevingly on the elongate member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.