Feed motor lock detection device

Details Feed motor lock detection device Feed motor lock detection device

2011-03-15

2011-03-15

Duda, Rina I (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Terminal voltage or counter-electromotive force of...

C318S500000, C318S400320, C388S923000, C388S928100

Reexamination Certificate

active

07906928

ABSTRACT:
A feed motor lock detection device detects a back-electromotive voltage in a feed motor M and checks whether the feed motor M is in a driven state or in a non-driven state based on the level of the back-electromotive voltage.

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