INVERTED PORTAL AXLE FOR USE IN A LOW FLOOR BUS
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United States of America Patent
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Issued Date -
Jun 6, 2024
app pub date -
Oct 6, 2022
filing date -
Mar 30, 2021
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Abstract
The invention is directed to an inverted portal axle (1) for use in a low floor bus comprising two hub carriers (2a, 2b) connected by an axle bridge structure (4). Each hub carrier (2a, 2b) comprises a stator of a direct drive electric motor (6) and carries a rotary assembly (7) comprising a flange (8) to support a rim (9) for a single tyre (10). The hub carrier (2a, 2b) comprises a first part (12) which is laterally positioned within the rim and a second part (13a, 13b) which is laterally positioned next to the rim. The rotary assembly (7) is comprised of a wheel hub shaft (15) which is laterally positioned within the rim and tyre combination and a second part (14) which is laterally positioned next to the rim and tyre combination. The second part (13a, 13b) of the hub carrier comprises the stator (19) and the second part of the rotary assembly comprises a rotor (17) of the electric motor (6).
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