Manpowered vehicle with auxiliary power

B - Operations – Transporting – 62 – M

Patent

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Details

B62M 23/02 (2010.01) B62M 6/40 (2010.01) B62K 11/04 (2006.01) B62M 7/08 (2006.01) G01L 3/14 (2006.01)

Patent

CA 2253444

A manually operated travelling vehicle with an auxiliary power device, which can detect a rotating torque applied to a rotating crank shaft (40) in non- contact manner. Supported on a body (15) is a manually operated prime mover wheel (5). A rotating coil (201) is provided coaxially on the prime mover wheel (5). A variable impedance device (202) is electrically connected to the rotating coil (201) such that impedance changes depending upon a load applied to the prime mover wheel (5). A stationary coil (101) is fixed to the body (15) to be coaxial with and spaced from the rotating coil (201) with a predetermined interval therebetween and is electromagnetically connected to the rotating coil (201). A detection circuit (109) is connected to the stationary coil (101) to detect a change in current or voltage applied to the stationary coil (101) from the rotating coil (201) in accordance with an impedance change in the variable impedance device (202). A control unit (130) controls a power source for the auxiliary power device on the basis of an output value issued from the detection circuit (109).

Véhicule à manoeuvre manuelle doté d'un dispositif de puissance auxiliaire qui peut détecter sans contact un couple de rotation appliqué à un axe (40) de pédalier. Un plateau (5) moteur à manoeuvre manuelle est soutenu par un corps (15). Un bobinage rotatif (201) est situé coaxialement sur le plateau (5) moteur. Un dispositif d'impédance variable (202) est connecté électriquement au bobinage rotatif (201) si bien que l'impédance change selon la charge appliquée sur le plateau (5) moteur. Un bobinage fixe (101) est fixé au corps (15) de manière à être placé coaxial avec le bobinage rotatif (201) et espacé de ce dernier selon un écart prédéterminé, et est connecté électromagnétiquement au bobinage rotatif (201). Un circuit de détection (109) est connecté au bobinage fixe (101) pour détecter un changement de courant ou de tension appliqué au bobinage fixe (101) et provenant du bobinage rotatif (201) en fonction d'un changement d'impédance dans le dispositif à impédance variable (202). Une unité de commande (130) commande une source de puissance pour le dispositif de puissance auxiliaire sur la base d'une valeur de sortie produite par le circuit de détection (109).

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