Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1978-03-13
1979-01-16
Mack, John H.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204279, 204297R, C25D 1704, C25C 700
Patent
active
041348192
ABSTRACT:
An arrangement for controlling the electric energy supply rate to an electroplating installation includes a positionally adjustable actuating member connected to a carrier which supports workpieces to be electroplated in an electroplating vat, and a sensor mounted on the vat and operative for detecting the extent of positional adjustment of the actuating member and generating a signal proportionate thereto. The signal is then transmitted to a source of direct electric current to be used thereat for controlling the output rate of the source. The actuating member is a setting screw which is threaded into a sleeve which, in turn, is mounted on a bracket rigidly connected to the carrier, while the sensor includes a housing rigidly mounted on a lug of the vat, and a potentiometer accommodated in the housing and having a detecting rod which extends beyond the housing and into the path of displacement of the setting screw. The housing is sealingly closed by a sealing cable connector, on the one hand, and by a bellows-shaped protective member sealingly connected to the housing and surrounding the detecting rod of the potentiometer, on the other hand. A spring urges the detecting rod toward its extended position relative to the housing. A cable passes through the cable connector and transmits the signals generated in the potentiometer in dependence on the extent of displacement of the detecting rod to the source to control the same.
REFERENCES:
patent: 2070343 (1937-02-01), Turnock
patent: 2457510 (1948-12-01), Van Ornum
patent: 3417008 (1968-12-01), Koltuniak
patent: 3632499 (1972-01-01), Chessin
Mack John H.
Schering AG
Striker Michael J.
Valentine D. R.
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