Title:
WORK MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/220704
Kind Code:
A1
Abstract:
Provided is a work machine capable of improving workability. The work machine is provided with: a motor 14; a first power supply unit 180 connected to a battery pack 5 and supplying a boosted power to the motor 14; and a second power supply unit 130 connected to an external AC power supply and supplying a boosted power to the motor 14. The voltage and current of the first power supply unit 180 and the voltage and current of the second power supply unit 130 can be variably controlled by a control circuit 182 and a control circuit 136, respectively. The control circuits 136, 182 perform control so that the power output from the respective first power supply unit 180 and the second power supply unit 130 is combined and supplied to the motor 14.
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Inventors:
HOSHINO KENICHI (JP)
NAKANO YASUSHI (JP)
SUDO TOMOAKI (JP)
NAKAYAMA EIJI (JP)
NAKANO YASUSHI (JP)
SUDO TOMOAKI (JP)
NAKAYAMA EIJI (JP)
Application Number:
PCT/JP2021/013761
Publication Date:
November 04, 2021
Filing Date:
March 31, 2021
Export Citation:
Assignee:
KOKI HOLDINGS CO LTD (JP)
International Classes:
H02P23/00; F04B41/00; F04B41/02; H02J3/32
Domestic Patent References:
| WO2019159834A1 | 2019-08-22 | |||
| WO2017047123A1 | 2017-03-23 |
Foreign References:
| JP2019170016A | 2019-10-03 | |||
| JP2018529307A | 2018-10-04 |
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