DRIVE-BRAKE ARRANGEMENT FOR A WHEEL, AND ELECTRIC BICYCLE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Jul 7, 2022
filing date -
Jul 7, 2022
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Abstract
A drive-brake arrangement for a wheel of an electric bicycle includes a motor (24) with a stator (26) and a disk-shaped rotor (28). The stator (26) is connected directly or indirectly to a frame part (32) and encloses the rotor (28) in an at least partially annular manner. The rotor (28) has permanent magnets (50) and is connected operatively to a drive shaft (46) for conjoint rotation therewith. The rotor (28) has a rotational speed nR and the drive shaft (46) has a rotational speed nA. A brake caliper (34) is mounted on the frame part (32) and encloses a brake disc (38) in an at least partially annular manner. The brake disc (38) is connected operatively to the driveshaft (46) for conjoint rotation therewith. The rotor (28) is connected operatively to the driveshaft (46) via a planetary transmission (48) and achieves a transmission ratio i=nR/nA>1.
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