DEVICE FOR DETECTING NEUTRAL POSITION OF DC MACHINE BRUSHES Russian patent published in 1997 - IPC

Abstract RU 2074479 C1

FIELD: instrumentation engineering. SUBSTANCE: motor is allowed to run at no load in opposite directions, its electromechanical time constant is measured in either direction, results are compared, and brush neutral is recognized by their difference not exceeding 5% of maximum permissible norm. EFFECT: facilitated procedure. 2 dwg

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RU 2 074 479 C1

Authors

Vlas'Evskij S.V.

Ovsejchik S.Z.

Dates

1997-02-27Published

1994-10-11Filed