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    • 6. 发明授权
    • Top loading washing machine and method of braking same
    • 顶装式洗衣机及其制动方法
    • US06748618B1
    • 2004-06-15
    • US09856412
    • 2001-08-28
    • Adam John DarbyNeil CheyneJonathan David Harwood
    • Adam John DarbyNeil CheyneJonathan David Harwood
    • D06F3302
    • D06F39/085Y02B40/52Y10T307/826
    • A spin tub of a washing machine is driven by an electronically commutated DC motor. The commutation devices are connected to a DC power supply and have free-wheeling diodes connected in parallel therewith. The washing machine includes other components having inductive windings. A controller terminates commutation of power to the motor windings. A voltage threshold detector monitors the voltage of the power supply. Switching structure connects the inductive winding of an unused component in the machine across the power supply when the detector detects that the voltage has exceeded a predetermined value and subsequently disconnects the inductive winding of the unused component from the power supply when the detector detects that the voltage has reduced below the pre-determined value.
    • 洗衣机的旋转浴缸由电子换向直流电机驱动。 换向装置连接到直流电源并具有并联连接的续流二极管。 洗衣机包括具有感应绕组的其他部件。 控制器终止电动机绕组的电力换向。 电压阈值检测器监视电源的电压。 当检测器检测到电压已经超过预定值时,开关结构将机器中未使用部件的感应绕组连接在电源上,随后当检测器检测到电压 已降至预定值以下。