Actuator, actuator system, and control of an actuator
US9419199B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2011 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Feb 19, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/067
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an actuator (1), comprising: piezoelectric elements (16) arranged in a stack; first and second inner electrodes (5, 3), which are alternately arranged between the piezoelectric elements (16); a first outer electrode (4), which is connected to the first inner electrodes (5) in an electrically conductive manner; a second outer electrode (2), which is connected to the second inner electrodes (3) in an electrically conductive manner, characterized in that the actuator (1) comprises a plurality of actuator sections (81, 82, 83, 84, 85) and in that the second outer electrode (2) comprises separate electrode segments (21, 22, 23), which are each connected in an electrically conductive manner to the second inner electrodes (3) in one of the actuator sections (81, 82, 83, 84, 85) or in a group of the actuator sections (81, 82, 83, 84, 85).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.