An electric assist cart includes: a body frame where a burden can be loaded; a drive wheel provided in the body frame; a control handle by which an operator can input a driving force to the body frame; a torque sensor that detects a driving torque applied to the body frame by pushing and handling the control handle; an electric motor that applies an assisting force to the drive wheel depending on the driving torque detected by the torque sensor; and a controller that computes the assisting force applied to the drive wheel and supplies an electric current to the electric motor depending on the assisting force, wherein the controller has a plurality of modes having different characteristics for a change of a magnitude of the electric current depending on the driving torque, and the electric current can be supplied to the electric motor by switching the mode.


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    Titel :

    Electric assist cart


    Beteiligte:
    SEKINE SHINICHI (Autor:in) / MIYATANI OSAMU (Autor:in)

    Erscheinungsdatum :

    20.10.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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