F - Mech Eng,Light,Heat,Weapons – 23 – J
Patent
F - Mech Eng,Light,Heat,Weapons
23
J
F23J 11/00 (2006.01) G05D 7/06 (2006.01) H02P 1/56 (2006.01)
Patent
CA 2153957
A smoke exhauster includes a CPU, two motors and a switching circuit connected to the CPU. The switching circuit includes a common contact, a parallel contact for connecting the motors in parallel, and a series contact for connecting the motors in series. The common contact is connected to the parallel contact for allow higher power supply to start the motors, and the common contact is connected to the series contact for reducing power supply to the motors in order to reduce the rotational speed of the motors. The motors are connected in series after the motors are started.
Cette invention concerne un évacuateur de fumée qui comprend un processeur central, deux moteurs et un circuit de commutation connecté au processeur central. Le circuit de commutation comprend un contact commun, un contact parallèle pour la connexion des moteurs en parallèle et un contact série pour connecter les moteurs en série. Le contact commun est connecté au contact parallèle pour une puissance supérieure de démarrage tandis que le contact série permet de réduire la puissance d'alimentation des moteurs pour en réduire la vitesse de rotation. Les moteurs sont connectés en série après leur démarrage.
Chi-Shyong Chiang
Chiang Chao-Cheng
Bull Housser & Tupper Llp
Chi-Shyong Chiang
Chiang Chao-Cheng
LandOfFree
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