Motors: expansible chamber type – Independently operated timer – delay – pattern or cyclic control
Patent
1976-06-01
1977-10-04
Freeh, William L.
Motors: expansible chamber type
Independently operated timer, delay, pattern or cyclic control
91482, 417270, 418 61B, F15B 2102, F01B 310
Patent
active
040517659
ABSTRACT:
An electric-hydraulic pulse motor having an improved rotary guide valve means is provided. In the rotary guide valve, a valve member for controlling the supply of fluid to the hydraulic motor is adapted to be shifted for performing the controlling function by the effect of pressurized fluid. The valve member is supported on a valve shaft or a signal input shaft which is to be actuated by a conventional electric pulse motor or the like so that the valve member rotates with one of the two shafts but is allowed to be shifted transversely thereto to either of two eccentric positions by the effect of the pressurized fluid. Control for shifting the valve member is obtained by arranging the two shafts so that the relative movement between the two shafts controls the pressurized fluid so as to move the valve member to the desired one of the eccentric positions.
REFERENCES:
patent: 3074345 (1963-01-01), Schoflow
patent: 3583283 (1971-06-01), Cunningham
patent: 3752038 (1973-08-01), Inaba
patent: 3828400 (1974-08-01), Mason et al.
patent: 3908517 (1975-09-01), Wonbounne
Freeh William L.
Nisshin Sangyo Co., Ltd.
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