Title:
ELECTRIC OPERATING MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/086946
Kind Code:
A3
Abstract:
An electric operating machine comprising a motor and a power circuit driving the motor by the electric power supplied from a battery. The power circuit comprises a voltage conversion part converting an input voltage entered in accordance with a voltage of said battery to generate an output voltage and outputting said generated output voltage to said motor. The power circuit is structured so that the voltage value of said output voltage of said voltage conversion part is changeable.
Inventors:
FUNABASHI KAZUHIKO (JP)
TAKANO NOBUHIRO (JP)
TAKANO NOBUHIRO (JP)
Application Number:
PCT/JP2011/000186
Publication Date:
April 19, 2012
Filing Date:
January 14, 2011
Export Citation:
Assignee:
HITACHI KOKI KK (JP)
FUNABASHI KAZUHIKO (JP)
TAKANO NOBUHIRO (JP)
FUNABASHI KAZUHIKO (JP)
TAKANO NOBUHIRO (JP)
International Classes:
A01D34/68; A01D34/78; B25F5/00; H02P7/06
Foreign References:
| US4873453A | 1989-10-10 | |||
| EP1571458A1 | 2005-09-07 | |||
| EP2120310A1 | 2009-11-18 |
Other References:
See also references of EP 2476200A2
Attorney, Agent or Firm:
KIMURA, Mitsuru (Kyohan Building 7, Kandanishiki-cho 2-chome, Chiyoda-k, Tokyo 54, JP)
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