Self monitoring redundant hydraeric control system

Details Self monitoring redundant hydraeric control system Self monitoring redundant hydraeric control system

1971-06-16

1977-10-18

Cohen, Irwin C.

Fluid handling

Systems

Multi-way valve unit

91411R, 91459, 91461, 13762564, F15B 13043, F15B 1306, F16K 1107

Patent

active

040541541

ABSTRACT:
A control system having a plurality of control channels each having its own source of system hydraeric fluid under pressure and each having a control valve and a monitor valve. A position indicating pressure signal is generated by each of the valves and is compared to detect discrepancies therebetween, and in the event of such a discrepancy, to generate a failure indicating signal. The failure indicating signal is subsequently transmitted to appropriate control apparatus which will effect proper switching to eliminate any part of the failed system from control or future possible control of the apparatus to which the system is connected.

REFERENCES:
patent: 3391611 (1968-07-01), Jenney

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