LIQUID-OPERATED ACTUATOR ASSEMBLY
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United States of America Patent
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Issued Date -
Jun 20, 2013
app pub date -
Dec 19, 2011
filing date -
Dec 19, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A liquid-operated actuator assembly includes a valve with an inlet for connection to a source of a liquid, a bi-stable electromagnetic device for operating the valve, and an actuator including a piston in a cylinder. The piston incorporates an actuating member. The cylinder has a chamber on one side of the piston to which the outlet of the valve is connected for receiving the liquid when the valve is opened in order to move the piston and the actuating member to an operative position. An electronic control circuit momentarily energizes the electromagnetic device for operation of the actuating member and to terminate operation of the actuating member.
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