Pump controller for controlling pumps connected in tandem

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 49/02 (2006.01) A62C 37/00 (2006.01) F04B 23/04 (2006.01) F04B 49/08 (2006.01) F04D 15/00 (2006.01)

Patent

CA 2620279

A system for automatically controlling a pumping unit used in fire suppression comprises a pumping unit, a water flow sensor and a pump controller. The pumping unit has a pump with a suction inlet configured to receive water from an upstream pumping unit and an engine to run the pump. The water flow sensor senses water flow into the suction inlet of the pumping unit. The pump controller receives a water flow sensor signal from the water flow sensor and controls an on/off state of the engine based on the water flow sensor signal.

L'invention concerne un système permettant de commander automatiquement une unité de pompage servant à l'extinction des incendies. Ce système comprend une unité de pompage, un détecteur de passage d'eau, et un dispositif de commande de pompe. L'unité de pompage comprend une pompe dotée d'un orifice d'aspiration conçu pour recevoir de l'eau en provenance d'une unité de pompage placée en amont, et un moteur actionnant la pompe. Le détecteur de passage d'eau détecte le passage d'eau dans l'orifice d'aspiration de l'unité de pompage. Le dispositif de commande de pompe reçoit un signal de détection de passage d'eau en provenance du détecteur de passage d'eau et commande l'état marche/arrêt du moteur en fonction de ce signal de détection de passage d'eau.

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