Actuator with backup component failure detection
US11300185B2 · kind B2 · utility
1Cited by
7References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2018 |
| Grant date | Apr 12, 2022 |
| Priority date | — |
| Expiry date | Aug 23, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2025/2081
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An actuator includes a ball screw, a rod provided at least partially within the ball screw, a ball nut, a ball nut restraint, a first biasing member disposed at least partially between a proximate end of the rod and a proximate end of the ball screw, and a second biasing member disposed at least partially between a distal end of the ball nut and an inner surface of the ball nut restraint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.