Motor vehicles – Special wheel base – Rider propulsion with additional source of power – e.g.,...
Patent
1997-07-02
1999-06-29
Hurley, Kevin
Motor vehicles
Special wheel base
Rider propulsion with additional source of power, e.g.,...
180220, B62M 2302
Patent
active
059154934
ABSTRACT:
Several embodiments of electric power-assisted manually powered vehicles such as bicycles. In these embodiments, the drive unit and control are mounted as a unit so as to minimize external wiring and to facilitate heat transfer from the control unit to the atmosphere while protecting the control unit. In some embodiments, sensors for the control unit are also mounted on the outer housing and cooperate with the internal components of the outer housing so as to provide the necessary signals for control. Several embodiments of improved torque sensors are disclosed that provide smoother operation.
Hurley Kevin
Yamaha Hatsudoki Kabushiki Kaisha
Zimmerli William R.
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