Hydraulic actuator with a limit force detector device
US9115733B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2011 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Jun 22, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L1/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a servo-control (1) provided with at least one body (2) defining an inside space (10) together with a slider element (11) having a control piston (12) suitable for sliding in said inside space (10), said control piston (12) subdividing said inside space (10) into a retraction chamber (4) and an extension chamber (3). The servo-control (1) has at least one limit force detector device (20) comprising a casing (21) secured to said body (2) and defining a detection space (22). Furthermore, a movable member (50) subdivides said detection space (22) into a first detection chamber (26) opening out to said inside space (10) and a second detection chamber (27). Finally, the device includes detector means (29) for detecting the position of said movable member (50) in said detection space (22).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.