Electrically assisted safing of a linear actuator to provide shock tolerance
US8264810B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2009 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Jul 27, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H71/2463
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Electrically assisted safing of a solenoid linear actuator to provide shock tolerance is provided for a solenoid actuator, the actuator having an armature and at least one electromagnetic inductive coil. A controller, receiving an output from a motion sensor, adjusts an electrical power input to the electromagnetic inductive coil. When the output of the motion sensor indicates onset of an environmental transient exceeding a predetermined threshold of intensity, the controller adjusts the electrical power input such that an electromagnetic field generated by the coil is sufficient to restrain the armature in a desired position during the environmental transient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.