Pneumatic servo assembly for an electro-pneumatic converter

Details Pneumatic servo assembly for an electro-pneumatic converter Pneumatic servo assembly for an electro-pneumatic converter

F - Mech Eng,Light,Heat,Weapons

15

C

341/97

F15C 3/14 (2006.01) F15B 5/00 (2006.01) G05D 16/20 (2006.01)

Patent

CA 1225450

PNEUMATIC SERVO ASSEMBLY FOR AN ELECTRO-PNEUMATIC CONVERTER ABSTRACT OF THE DISCLOSURE 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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