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Redundant electronic circuit provides fail-safe controlCircuit using dual control amplifiers and dual position demand potentiometers powered from separate sources is used for reliable hydraulic valve controller that prevents closure of valve when control circuits fail, and maintains valve control to close tolerance for more common modes of controller failure.
Document ID
19700000547
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Archer, J. W. (AEROJET-GEN. CORP.)
Date Acquired
August 5, 2013
Publication Date
November 1, 1970
Subject Category
Electronic Components And Circuits
Report/Patent Number
NUC-10389
Report Number: NUC-10389
Accession Number
70B10565
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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