Servovalve with adjustable air gaps
US11018568B2 · kind B2 · utility
0Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2018 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Mar 26, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/09
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A torque motor for a servovalve is provided, the torque motor comprising an armature and a first pole piece. The first pole piece has a first portion and a second portion that is selectively moveable relative to the first portion such that a size of an air gap formed between the second portion and the armature is adjusted in response to the movement of the second portion relative to the first portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.