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US 2017/0282733 A1Published application
Portable Charger Device, Contactless Charger System for Electric Work Vehicle and Electric Grass Mower Machine
AssigneeKubota Corporation
InventorsHirokazu Ito, Yasuhiro Manji, Kazuaki Matsuda
Life of this patent
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Abstract
A portable charger device 200 includes a charger device side battery 3, a first charging control section 31 for non-quick charging of the charger device side battery 3 by power supply from an external power source 8, and a second charging control section 32 for quick charging of a vehicle side battery 4 mounted on an electric vehicle 100 by power supply from the charger device side battery 3.
Claims13
A portable charger device for charging a vehicle side battery mounted on an electric vehicle, device comprising:
- a charger device side battery;
- a first charging control section for non-quick charging of the charger device side battery by power supply from an external power source;
- and
- a second charging control section for quick charging of the vehicle side battery by power supply from the charger device side battery.
1 more element
A contactless charger system for an electric work vehicle, comprising:
- a primary coil unit including a coil power supply circuit section and a primary coil disposed upwardly of the coil power supply circuit section, the primary coil unit being disposed on a ground surface;
- a battery pack disposed at a rear portion of a vehicle body frame and between a pair of left and right rear wheels;
- a secondary coil to be electromagnetically coupled with the primary coil;
- a charging circuit section for rectifying power from the secondary coil and then supplying the rectified power to the battery pack;
- and
- a coil supporting member configured to dispose the secondary coil at a lower portion of the battery pack.
3 more elements
Dependencies are inferred from the claim text.