Motors: expansible chamber type – Independently operated timer – delay – pattern or cyclic control – Of independently movable working members
Patent
1974-05-22
1977-01-25
Schwadron, Martin P.
Motors: expansible chamber type
Independently operated timer, delay, pattern or cyclic control
Of independently movable working members
74568M, 74568T, 91 37, 13762412, 13762418, 200 38BA, 200 38CA, 251130, F15B 2102
Patent
active
040044971
ABSTRACT:
A programmer includes an intermittently rotating drum, having thereon a series of actuators arranged in a pre-selected manner, for actuating in a predetermined order, a plurality of devices, such as fluid valves, each of which, when actuated, causes an operation to be performed. The drum is indexed by a stepping motor controlled by impulses of energy to a pilot valve in response to rotation of the drum. The actuators are removably mounted on the drum, so that the programming of the series of operations as to the order thereof, and duration of each, can be done quickly and easily, in advance. Individual valves can also be shut off when not needed.
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Lisiecki Hieronim L.
Scholin Harold W.
Hershkovitz Abraham
Scholin Industries, Inc.
Schwadron Martin P.
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