Hydraulic drive system

Details Hydraulic drive system Hydraulic drive system

B - Operations, Transporting

62

M

B62M 19/00 (2006.01)

Patent

CA 2333369

A hydraulic propulsion system for a human powered wheeled vehicle includes a treadle pump, accumulator, a hydraulic motor, reservoir and valve means connected in a hydraulic circuit. The motor is used for driving a wheel, and is connected by a bidirectional clutch under operator control to provide regenerative braking. Improved energy conservation and acceleration are obtained. A hydraulic pressure ratio transducer, under manual control, may be included in the circuit for controlling acceleration and braking.

Un système de propulsion hydraulique destiné à un véhicule à roues à propulsion humaine comprend une pompe à pédale, un accumulateur, un moteur hydraulique, un réservoir et un moyen de soupape reliés dans un circuit hydraulique. Le moteur est utilisé pour entraîner une roue, et il est relié par un accouplement bidirectionnel sous la commande de l'utilisateur afin de fournir un freinage à récupération. On obtient une meilleure conservation de l'énergie et une meilleure accélération. Un transducteur hydraulique de rapport de pression, sous commande manuelle, peut être inclus dans le circuit afin de commander l'accélération et le freinage.

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