Hydraulic distributor provided with a device for detecting...

Details Hydraulic distributor provided with a device for detecting... Hydraulic distributor provided with a device for detecting...

2011-07-26

2011-07-26

Lazo, Thomas E (Department: 3745)

Motors: expansible chamber type

Plural relatively movable or rigidly interconnected working...

Having redundant means enabling load to be driven upon...

C091S001000, C137S554000

Reexamination Certificate

active

07984670

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.

REFERENCES:
patent: 3529514 (1970-09-01), Mayo et aI.
patent: 3613504 (1971-10-01), Krauss
patent: 4335745 (1982-06-01), Bouveret et al.
patent: 4967792 (1990-11-01), Magee
patent: 5899226 (1999-05-01), Devaud et al.
patent: 2005/0132877 (2005-06-01), Hart
patent: 2 165 213 (1985-09-01), None
patent: 2006/088488 (2006-08-01), None

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