Electro-hydraulic pulse motor

Motors: expansible chamber type – Independently operated timer – delay – pattern or cyclic control – Independent distributor actuation for cyclic control

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Details

91180, 91380, 91503, 91451, F15B 910, F01B 310

Patent

active

040318117

ABSTRACT:
This disclosure relates to an improved electro-hydraulic pulse motor wherein safety valves are arranged in hydraulic circuits provided for the hydraulic motor part of an electro-hydraulic pulse motor so as to release abnormal high pressure produced in the circuits due to sudden interruption of the operation of an electric pulse motor part of the electro-hydraulic pulse motor. As a result, breakage of the circuits or four way pilot valve part of the electro-hydraulic pulse motor can be avoided.

REFERENCES:
patent: 2395671 (1946-02-01), Kleinhans et al.
patent: 2598180 (1952-05-01), Kenyon
patent: 3006323 (1961-10-01), Tilney
patent: 3158068 (1964-11-01), Bakelman
patent: 3473443 (1969-10-01), Mikkelsen
patent: 3621762 (1971-11-01), Ikebe et al.

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