Nuclear reactor and production systems with digital controls

Details Nuclear reactor and production systems with digital controls Nuclear reactor and production systems with digital controls

1973-10-09

1976-12-21

Bentley, Stephen C.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

23253A, 250231R, 324109, G21C 708

Patent

active

039986942

ABSTRACT:
Several digital sensing devices are described for use in automated production systems. The first described is for use in the automatic operation of a reactor. This device employs a binant electrometer using a quartz fiber mounted at one end but free to vibrate at the other in an AC field. The fiber oscillates if a charge is placed upon it. An optical slit replaces the ordinary eyepiece reticule scale. With the quartz fiber adjusted so its image is in focus at the optical slit, photoelectric signals are obtained at null charge on the fiber. The quartz fiber is repeatedly charged and allowed to discharge by collecting ions from a source under measurement. Each photoelectric signal causes a digital time reading to be taken. The time readings are used to evaluate the current due to the collected charge. The photoelectric signals, by feedback, also operate the electrometer for continuous or intermittent-continuous operation. Basically, the system is a current digitizer. Application is made to reactor monitoring and control as well as to other types of production systems. Finally, other types of sensing devices are also described and their use in automated controlled processes is shown.

REFERENCES:
patent: 2986697 (1961-05-01), Luger
patent: 3133248 (1964-05-01), Shonka
patent: 3424653 (1969-01-01), Cohn

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