Apparatus for controlling electroexpansive actuator avoiding deterioration of polarization
US4705003A · kind A · utility
18Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1985 |
| Grant date | Nov 10, 1987 |
| Priority date | — |
| Expiry date | Oct 17, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/21
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an apparatus for controlling an electroexpansive actuator, a high voltage is applied to the electroexpansive actuator at a non-load state after an expansion and contraction operation thereupon is completed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.