초록 ▼

A bicycle with a power assisting function has an electric motor for adding part of propulsive forces to manual forces to assist in the manual forces, a battery for supplying electric energy to the electric motor, a treading force detecting circuit for detecting manual forces applied as propulsive fo

A bicycle with a power assisting function has an electric motor for adding part of propulsive forces to manual forces to assist in the manual forces, a battery for supplying electric energy to the electric motor, a treading force detecting circuit for detecting manual forces applied as propulsive forces, and a control circuit for controlling operation of the electric motor depending on the magnitude of detected manual forces. The electric motor is operable as an electric generator with extra manual forces for utilizing part of regenerated electric energy to charge the battery.

대표청구항 ▼

[ What is claimed is:] [1.]1. A bicycle with a power assisting function, comprising:an electric motor for adding part of propulsive forces to manual forces to assist in the manual forces;power supply means including a battery for supplying electric energy to said electric motor;regenerating means fo

[ What is claimed is:] [1.]1. A bicycle with a power assisting function, comprising:an electric motor for adding part of propulsive forces to manual forces to assist in the manual forces;power supply means including a battery for supplying electric energy to said electric motor;regenerating means for regenerating electric energy to charge said power supply means with part of energy from extra manual forces;control means for controlling operation of said electric motor, wherein said control means further comprises means for controlling operation of said regeneration means;running state detecting means for detecting a running state, wherein said running state detecting means further comprises a gradient detecting means for detecting a gradient of a running path for the bicycle; and a speed detecting means for detecting a present speed of the bicycle;display/indication means for displaying/indicating a running state and/or a running target depending on the running state detected by said running statedetecting means, wherein said display/indication means further comprises means for displaying/indicating a target speed and a present running speed detected by said speed detecting means and/or a quantity depending on an excess or insufficiency of the difference between said target speed and said present running speed depending on the gradient detected by said gradient detecting means.