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公开(公告)号：US20170099768A1
公开(公告)日：2017-04-13
申请号：US15387550
申请日：2016-12-21
CPC分类号： A01D34/6806 , A01D34/68 , A01D34/69 , A01D34/71 , A01D34/78 , A01D34/824 , A01D2034/6843 , A01D2101/00
摘要： An electric mower includes a chassis; and a walking device, a mowing device, a power device, a handle device, and a back grass discharging device arranged on the chassis. The power device drives the operation of the walking device and the mowing device, the back grass discharging device discharges the grass cut by the mowing device, and the handle device controls the electric mower. The power device of the electric mower uses a hybrid power system formed by DC power supply and AC power supply.
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公开(公告)号：US20170101756A1
公开(公告)日：2017-04-13
申请号：US15387538
申请日：2016-12-21
发明人： Jin ZHANG , Dong WANG , Zhiqiang HE
CPC分类号： E01H5/098 , B60K1/00 , B60K2001/001 , B60Y2200/225 , E01H5/04 , E01H5/045
摘要： A dual-step snow sweeper includes a body, on which a driving device, a self-propelled device, a snow sweeping device, and a handrail control device are arranged. The driving device drives the operation of the self-propelled device and the snow sweeping device, the snow sweeping device includes a snow scraping mechanism and a snow throwing mechanism, and the driving device includes at least one motor which is powered by a power supply device. The power supply device can use battery supply separately, and can supply power by being connected with alternating current through an AC-DC power supply system as well, or operate in such a way that the AC directly drives an AC motor.
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公开(公告)号：US20170101755A1
公开(公告)日：2017-04-13
申请号：US15384329
申请日：2016-12-20
发明人： Jin ZHANG , Gang CHEN , Xiangbo HUANG
摘要： A hybrid driving snow sweeper includes a snow sweeping impeller. The snow sweeping impeller is mounted on an impeller shaft. The impeller shaft is driven by a motor. The motor includes a DC motor and an AC motor. The DC motor and the AC motor are connected with a control panel. The control panel is connected with wires of battery power supply and AC power supply. The control panel controls the operation of the DC motor or the AC motor so as to drive the impeller shaft. The DC motor and the AC motor are set simultaneously.
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