Jigging screen device with pneumatic valve control
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United States of America Patent
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-
Apr 21, 1998
Grant Date -
N/A
app pub date -
Jul 28, 1995
filing date -
Jan 30, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pneumatic jigging screen device has an air chamber for generating pulsation which is connected to a compressed air source. An air outlet is provided. An air inlet valve in the form of a disk valve is connected between the compressed air source and the air chamber and includes a valve rod. An air outlet valve in the form of a disk valve is connected between the air chamber and the air outlet and includes a valve rod. A first pneumatic valve drive is coupled to the valve rod of the air inlet valve. A second pneumatic valve drive is coupled to the valve rod of the air outlet valve. A first electromagnetic control valve is connected between the first pneumatic valve drive and the compressed air source. A second electromagnetic control valve is connected between the second pneumatic valve drive and the compressed air source.
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