ELECTRIC OIL PUMP ASSEMBLY, STEERING SYSTEM AND LUBRICATION SYSTEM

WIPO Patent Application WO/2019/001200

A1

An electric oil pump assembly (1000), a steering system and a lubrication system. The electric oil pump assembly (1000) has a main oil inlet (1010) and a main oil outlet (1020), and further comprises: a motor assembly (200), the motor assembly (200) having a liquid cooling cavity (260) in communication with the main oil inlet (1010), the liquid cooling cavity (260) comprising an oil circulation passage (262), the oil circulation passage (262) being located between the stator (241) of the motor assembly (200) and the casing (220) of the motor assembly (200); and an oil pump assembly (100), the oil pump assembly (100) being mounted on an end portion of the motor assembly (200) and connected to a motor shaft (250) of the motor assembly (200) in a dynamic coupling manner, an oil suction port of the oil pump assembly (100) communicating with a motor shaft oil passage (251) of the motor assembly (200), the oil suction port of the oil pump assembly (100) communicating with the oil circulation passage (262), and an oil discharge port communicating with the main oil outlet (1020).

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YANG SHENGLIN (CN)
LIU YAN (CN)
WANG TAO (CN)

PCT/CN2018/088749

January 03, 2019

May 28, 2018

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BYD CO LTD (CN)

F04C11/00; H02K7/14

CN202009303U	2011-10-12
JP5880842B2	2016-03-09
JP5986021B2	2016-09-06
CN204212886U	2015-03-18
CN1821566A	2006-08-23
CN105229306A	2016-01-06
DE102012212423A1	2014-01-16

TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)

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