Hydraulic distributor provided with a device for detecting seizing
US7984670B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2008 |
| Grant date | Jul 26, 2011 |
| Priority date | — |
| Expiry date | Jan 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8242
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a hydraulic distributor (2) of a servo-control (1) of an aircraft, the hydraulic distributor comprising main distributor member (10) and emergency distributor member (20) that are coaxial, said emergency distributor member (20) being caused to move by said main distributor member (10) in the event of said main distributor member (10) seizing, said hydraulic distributor being provided with a detector device (60) for detecting said seizing. The detector device (60) is provided with a reed switch (66) and with amplification means (62, 69, 68) for amplifying said movement of the emergency distributor member, said amplification means comprising a lever (62) having a magnetized free end (62′) that activates said reed switch (66) in the event of said emergency distributor member (20) moving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.