LEFT-RIGHT WHEEL DRIVE DEVICE

WIPO Patent Application WO/2023/145268

A1

Disclosed is a left-right wheel drive device (30) provided with a first cylindrical surface section (21), a second cylindrical surface section (22), a third cylindrical surface section (23), and an upper surface section (24). The first cylindrical surface section (21) is formed in a cylindrical surface shape along the outer periphery of a driven gear (8), and serves as a flow passage through which a lubricating oil collected below an output shaft (9) is conveyed to the lower side of a counter shaft (6). The second cylindrical surface section (22) is formed in a cylindrical surface shape along the outer periphery of a first counter gear (4) and collects the lubricating oil at the lower side of the counter shaft (6). The third cylindrical surface section (23) is formed in a cylindrical surface shape along the outer periphery of the first counter gear (4), is arranged between a first bearing (27) of the driven gear (8) and the first counter gear (4), and serves as a flow passage through which the lubricating oil collected on the second cylindrical surface section (22) is conveyed to the upper side of the output shaft (9). The upper surface section (24) is formed in a surface shape joined to the upper edge of the third cylindrical surface section (23), is arranged above the first bearing (27), and has a first oil hole (25) for supplying the lubricating oil to the first bearing (27).

TAKAHASHI NAOKI (JP)
TERAO KIMINOBU (JP)
YANAGIHARA YUKI (JP)

PCT/JP2022/045142

August 03, 2023

December 07, 2022

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MITSUBISHI MOTORS CORP (JP)
AISIN CORP (JP)

F16H57/04; F16H1/06; F16H48/11; F16H57/08

WO2021039966A1

2021-03-04

JP2021063537A

2021-04-22

SUWA, Hanako et al. (JP)

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