Pneumatic servo assembly for an electro pneumatic converter
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United States of America Patent
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-
Sep 9, 1986
Issued Date -
N/A
app pub date -
Jul 2, 1985
filing date -
Feb 24, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pneumatic servo assembly (20) is provided for an electro-pneumatic control system (10) having closed loop control of a D.C. motor (12) operated from an error signal (56) developed from an electrical set point signal (4) and a pneumatic feedback signal (44). The feedback signal (44) is made compatible by a pressure transducer (26) monitoring the pressure output signal (22) of the pneumatic servo assembly (20) and establishing an electrical signal indicative thereof which is scaled, zeroed, and amplified by an amplifier unit (46).
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