SWEEPER MACHINE
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United States of America Patent
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Issued Date -
Jun 27, 2024
app pub date -
Dec 20, 2023
filing date -
Dec 22, 2022
priority date (Note) -
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Abstract
A road sweeper machine (1) is provided comprising a vehicle (2) suitable for road transport e comprising an electric motor (3), sweeping elements (4) connected to the vehicle (2) and suitable to remove waste on the ground, a waste collection system (5) placed at the bottom of the vehicle (2), a chamber (6) for containing the collected waste connected to the collection system (5), the electric motor (3) is of brushless type and comprises a hexa-phase system (30), the hexa-phase system (30) comprising a rotor (31) comprising a plurality of magnets of permanent type, two stators (32), two inverter circuits (33), each one connected to one of the stators (32), and each one mutually independent, each inverter (33) being capable of sending a three-phase current to the connected stator (32).
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