Hydraulic distributor for a servomechanism with reaction on the

Details Hydraulic distributor for a servomechanism with reaction on the Hydraulic distributor for a servomechanism with reaction on the

1984-11-05

1986-06-17

Garrett, Robert E.

Motors: expansible chamber type

Constantly applied motive fluid with controlled venting

Motive fluid constantly applied to and vented from opposed...

91375R, 91467, 13762524, F15B 1304, F15B 910, F15B 1110

Patent

active

045949360

ABSTRACT:
The distributor, typically one having a star-shaped rotor in a disc-shaped stator, incorporates two components, primary and secondary, defining two parallel distribution circuits (10, 10') controlling an assistance actuator (V) and incorporating, in each circuit, three variable restrictions (1-3 or 1'-3'), together with, advantageously, two other parallel reaction circuits (20, 20') with two restrictions in series (4, 5 and 4', 5'). The chamber (V.sub.1, V.sub.2) of the assistance actuator (V) are joined to the distribution circuits (10, 10'), respectively, between the second (2, 2') and third (3, 3') variable restrictions which create the differential assistance pressure, the central point of the distributor being determined by the first (1, 1') and second (2, 2') variable restrictions.

REFERENCES:
patent: 3465842 (1969-09-01), Hruska
patent: 3922953 (1975-12-01), Strauff
patent: 4335749 (1982-06-01), Walter
patent: 4445422 (1984-05-01), Bishop
patent: 4459896 (1984-07-01), Dauvergne et al.
patent: 4461321 (1984-07-01), Bacardit

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