Electric-to-pressure transducer

Details Electric-to-pressure transducer Electric-to-pressure transducer

G - Physics

05

D

341/39

G05D 16/20 (2006.01)

Patent

CA 1244113

Abstract of the Disclosure A linear, closed-loop current-to-pressure transducer operating with a two-way solenoid valve. Outlet fluid pressure feedback is provided by an integrated-circuit pressure sensor having a direct, sealed connection to a manifold to which the solenoid valve is also directly connected, the pressure sensor being electrically connected to the feedback input of a servo amplifier which has a reference input connected to an analog control signal input through an input scaling circuit capable of adjusting both span and offset. The input scaling circuit, servo amplifier, pressure sensor, and manifold, which includes a feedback line from the solenoid valve to the pressure sensor, are mounted on a printed-circuit board.

536980

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