Servomotor drive device that drives servomotor connected to rotating shaft

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United States of America Patent

PATENT NO 8847539
APP PUB NO 20130113411A1
SERIAL NO

13660221

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Abstract

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A servomotor drive device has a first converter, a regenerative resistor circuit having a first switching element and a regenerative resistor, a first connection part configured to connect a second converter in parallel to the regenerative resistor circuit in an attachable and detachable manner, and a first control unit configured to control the on and off states of the first switching element. The second converter has a second switching unit and a second control unit configured to return regenerative energy to an AC power source side by bringing the second switching element into the on state when the second converter is connected to the first connection part.

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Patent Owner(s)

Patent OwnerAddress
FANUC CORPORATION3580 SHIBOKUSA AZA-KOMANBA OSHINO-MURA MINAMITSURU-GUN YAMANASHI 401-0597

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumoto, Yasuyuki Yamanashi, JP 48 125
Suzuki, Naoyuki Yamanashi, JP 63 524

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