Motorized drain cleaning machine

Details Motorized drain cleaning machine Motorized drain cleaning machine

E - Fixed Constructions

03

F

E03F 9/00 (2006.01)

Patent

CA 2717102

A drain-cleaning machine comprises a cable, a motor assembly, and a speed control assembly. The cable comprises a longitudinal axis. The motor assembly is configured to rotate the cable about the longitudinal axis of the cable. The motor assembly comprises a motor and a motor control device. The motor is configured to operate at an operating speed that may vary within a range of operating speeds. The motor is configured to produce a substantially constant torque while operating at varying operating speeds across the entire range of operating speeds. The motor is configured to be powered by DC power. The motor control device is configured to receive AC power from an AC power source, convert the AC power into DC power, and communicate the DC power to the motor. The speed control assembly is configured to vary the operating speed of the motor within the range of operating speeds.

Machine à curer les égouts comprenant un câble, un ensemble moteur et un ensemble commande de vitesse. Le câble présente un axe longitudinal sur lequel tourne l'ensemble moteur. Cet ensemble moteur comprend un moteur et un dispositif de commande de moteur. Le moteur est conçu pour fonctionner à une vitesse d'avance variable dans une plage de vitesses de fonctionnement. Il es étudié pour développer un couple sensiblement constant sous des vitesses variables au sein la plage globale des vitesses de fonctionnement. Il est alimenté en courant continu. Le moteur marche sur le courant alternatif. Le dispositif de commande du moteur est alimenté en courant alternatif depuis une source de courant alternatif, et convertit ce courant alternatif en courant continu qui alimente le moteur. L'ensemble de commande de vitesse permet de faire varier la vitesse d'avance du moteur dans la plage des vitesses de fonctionnement.

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