Title:
ヘリコプター
Document Type and Number:
Japanese Patent JP6425969
Kind Code:
B2
Abstract:
A multicopter having a plurality of propellers is configured to be electrically operated. The multicopter is provided with electric motors, at least one main battery, a generator, an engine, and a battery condition detecting section. The electric motors drive the propellers. The main battery is a first electric power source that supplies the electric power to the electric motors. The generator is a second electric power source that supplies the electric power to the electric motors. The engine drives the generator. The battery condition detecting section detects abnormality of the main battery. When the battery condition detecting section detects the abnormality of the main battery, the generator supplies the electric power that has been converted from motive power from the engine directly to the electric motors.
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Inventors:
Eiichi Ozaki
Application Number:
JP2014220469A
Publication Date:
November 21, 2018
Filing Date:
October 29, 2014
Export Citation:
Assignee:
Yanmar Co., Ltd.
International Classes:
B64D27/24; B64C27/08; B64C39/02; B64D17/80
Domestic Patent References:
| JP2009060695A | ||||
| JP2011240745A |
Foreign References:
| US20130147204 | ||||
| US5836544 | ||||
| WO2013029085A1 | ||||
| US20090145998 | ||||
| WO2013124300A1 | ||||
| US20080184906 |
Attorney, Agent or Firm:
Naomi Katsura River