Electricity: motive power systems – Electric motor with nonmotor driving means – Manual driving means
Patent
1997-01-29
1998-07-07
Ro, Bentsu
Electricity: motive power systems
Electric motor with nonmotor driving means
Manual driving means
180206, 180219, B62M 100, B62M 2300
Patent
active
057774420
ABSTRACT:
An electric power assisted vehicle that senses the actual speed that the operator is operating the manual power device and the force applied to that manual power device for controlling the amount of power assist. By comparing the manual force and manual input speeds with predetermined speeds, it is possible to determine whether the vehicle is in a start-up mode or an acceleration mode. Varying degrees of power assist are provided depending upon the operating mode. In addition, the system employs an automatic transmission that is also shifted in response to the sensed condition. Furthermore, the control is capable of sensing the type of battery installed and changing the control in response to the battery installed and also indicating the type of battery installed to the operator.
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Ro Bentsu
Yamaha Hatsudoki Kabushiki Kaisha
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