PNEUMATIC VALVE CONTROL DEVICE
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Sep 13, 2023
filing date -
Sep 13, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A pneumatic valve control device includes an air cylinder. The air cylinder includes a first piston; an air outlet; and a locking and releasing mechanism configured to lock and release the first piston when the first piston is pushed up. The device also includes a hydraulic cylinder. The hydraulic cylinder includes a second piston; an air vent disposed on a first side of the second piston; and a liquid inlet and a liquid outlet disposed on a second side of the second piston. The device also includes a partition disposed between the hydraulic cylinder and the air cylinder; a partition channel disposed on the partition; a piston rod connected to the second piston and configured to pass through the partition channel; and a tappet valve connected to the piston rod and configured to leave the partition channel in response to an upward movement of the piston rod.
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