Dynamic energy absorber
US4766405A · kind A · utility
26Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 1987 |
| Grant date | Aug 23, 1988 |
| Priority date | — |
| Expiry date | Apr 14, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02M2200/306
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A device (10;50) comprising PA0 an armature (12;80) movable in a first and a second direction; PA0 an obstruction for (20;22;60;74) for providing a motion stop in at least the first direction; PA0 an electromagnetic and return spring (18;28;60;140) for moving said armature in the first and second directions; and PA0 a damper attached to and movable with said armature for dissipating energy from the collision of the armature with the motion stop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.