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Title:
ELECTRIC OIL PUMP ASSEMBLY, STEERING SYSTEM AND LUBRICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/001200
Kind Code:
A1
Abstract:
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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Inventors:
YANG, Shenglin (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
LIU, Yan (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
WANG, Tao (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
Application Number:
CN2018/088749
Publication Date:
January 03, 2019
Filing Date:
May 28, 2018
Export Citation:
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Assignee:
BYD COMPANY LIMITED (No. 3009, BYD Road Pingsha, Shenzhen Guangdong 8, 518118, CN)
International Classes:
F04C11/00; H02K7/14
Foreign References:
CN202009303U2011-10-12
JP5880842B22016-03-09
JP5986021B22016-09-06
CN204212886U2015-03-18
CN1821566A2006-08-23
CN105229306A2016-01-06
DE102012212423A12014-01-16
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (Room 301 Trade Building, ZhaolanyuanTsinghua University, Qinghuayuan, Haidian District, Beijing 4, 100084, CN)
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