Actuator and exhaust valve driving device
US11359539B2 · kind B2 · utility
1Cited by
12References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 30, 2020 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Oct 30, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K37/0041
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An actuator 1 includes a housing 2, an output shaft 3 projecting from the inside of the housing 2 to the outside, a motor 4 provided in the housing 2, a reduction mechanism 5 which connects the motor 4 to the output shaft 3, a magnet 61 provided for rotation integrally with the output shaft 3 inside the housing 2, a Hall effect IC 62 disposed to face the magnet 61 outside the rotation locus of the magnet 61, and a circumferential wall 25 disposed to stand from the inner wall of the housing 2 and interposed between the magnet 61 and the Hall effect IC 62.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.