Electric actuator
US11408492B2 · kind B2 · utility
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1References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 25, 2019 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Jun 25, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2057/02069
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An electric actuator 1 includes a drive unit 2, a driving force transmission mechanism 3, a motion conversion mechanism 4, an accommodation space accommodating the drive unit 2, the driving force transmission mechanism 3, and the motion conversion mechanism 4, and a ventilation section 5. The ventilation section 5 includes a vent 53 penetrating a partition wall partitioning the driving force transmission mechanism 3, an air flow path 46 communicating with the vent 53, and a filter 60.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.