US 6,150,794 A · Charging system for motor-driven vehicle

Abstract

The charging system of the invention comprises a primary charging device 4 disposed at a predetermined location, and a secondary charging device 6 mounted on the body 1 of a bicycle. The secondary charging device 6 comprises a secondary coil unit 50, rectifying circuit and charging control circuit which are housed in a casing 610. The secondary coil unit 50 is connected to a battery 20 mounted on the bicycle body 1 by a cord, and comprises a secondary coil 502 provided around an iron core 501. On the other hand, the primary charging device 4 comprises a primary coil unit 30 and charging circuit which are housed in a casing 410. The primary coil unit 30 comprises a primary coil 302 provided around an iron core 301. When the secondary coil unit 50 is positioned close to the primary coil unit 30, the battery 20 can be charged by the charging system.

Claims14

Dependent claims

A system for charging a battery serving as a power source for an electric motor mounted on an electrically assisted bicycle, the battery charging system comprising:

a primary charging device having a primary coil unit disposed in the vicinity of a predetermined position where the bicycle is to be stopped, and current supply means for supplying an alternating current to the primary coil unit, and
a secondary charging device having a secondary coil unit attached to an axle of a front wheel or rear wheel of the bicycle and to be magnetically coupled to the primary coil unit, and charging means for converting an alternating current available from the secondary coil unit to a direct current and supplying the direct current to the battery.

A system for charging a battery serving as a power source for an electric motor mounted on an electrically assisted bicycle, the battery charging system comprising:

a primary charging device having a primary coil unit disposed in the vicinity of a predetermined position where the bicycle is to be stopped, and current supply means for supplying an alternating current to the primary coil unit, and
a secondary charging device having a secondary coil unit attached to a pedal of the bicycle and to be magnetically coupled to the primary coil unit, and charging means for converting an alternating current available from the secondary coil unit to a direct current and supplying the direct current to the battery.

Dependencies are inferred from the claim text.

Charging system for motor-driven vehicle

Life of this patent

Charging system for motor-driven vehicle

Life of this patent

Abstract

Claims14