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公开(公告)号：EP3770429A1
公开(公告)日：2021-01-27
申请号：EP19811115.5
申请日：2019-05-27
发明人： YIN, Bingjiu , YE, Wei , SUN, Yongfeng , ZHANG, Kai , QIAN, Fangxu , HUANG, Liyang
摘要： Related is an electric oil pump (100), and the electric oil pump (100) includes a pump housing having an inner pump cavity, where the inner pump cavity includes a first cavity (80) and a second cavity (90); a first rotor assembly (2) disposed in the first cavity (80); a stator assembly (4) and a second rotor assembly (3) that are disposed in the second cavity (90); an electric control board (6); a supporting member (5) at least partially disposed between the stator assembly (4) and the electric control board (6); and a connecting terminal (10). The electric oil pump (100) can reduce deformation of the connecting terminal (10) when the connecting terminal (10) is respectively connected to the stator assembly (4) and the electric control board (6).
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公开(公告)号：EP3677780A1
公开(公告)日：2020-07-08
申请号：EP18852165.2
申请日：2018-06-11
发明人： LU, Jiangang , WU, Zhiwang , YIN, Bingjiu , ZHANG, Kai , ZHOU, Yubin
摘要： An oil pump (100) comprises a pump housing, a pump shaft (5), and a pump rotor assembly (8). The pump housing is capable of forming a pump cavity. The pump cavity comprises a first cavity (80) and a second cavity (90). The pump rotor assembly (8) is provided in the first cavity (80). At least part of the pump shaft (5) is provided in the second cavity (90). The pump rotor assembly (8) comprises a first rotor (81) and a second rotor (82). The first rotor (81) is capable of rotating the second rotor (82), and is fixedly connected to the pump shaft (5). The pump shaft (5) is capable of rotating the first rotor (81). The first rotor (81) comprises a connecting portion (812). A connecting hole (8123) is provided in the connecting portion (812). At least part of the pump shaft (5) is provided in the connecting hole (8123). At least part of the connecting portion (812) engages with at least part of the pump shaft (5). The configuration improves reliability of the connection between the pump shaft (5) and the first rotor (81), thereby facilitating transmission between the pump shaft (5) and the first rotor (81), and simplifying assembly of the pump shaft (5) and the first rotor (81).
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公开(公告)号：EP3677778A1
公开(公告)日：2020-07-08
申请号：EP18849856.2
申请日：2018-06-08
发明人： LU, Jiangang , WU, Zhiwang , YIN, Bingjiu , ZHANG, Kai , ZHOU, Yubin
摘要： An electric oil pump (100) comprises a pump housing, a pump rotor assembly (8), a stator assembly (4), a motor rotor assembly (3), and an electric control board (6). The pump housing forms a pump cavity, and the pump cavity comprises a first cavity (80) and a second cavity (90). The pump rotor assembly (8) is provided in the first cavity (80). The stator assembly (4), the motor rotor assembly (3), and the electric control board (6) are provided in the second cavity (90). The pump housing comprises a first housing body (2), and the first housing body (2) comprises a side wall (21). The side wall (21) comprises an inner surface (211) and an outer surface (212). At least part of the inner surface (211) is in contact with at least part of an outer wall of the stator assembly (4). A first heat dissipation portion (26) is provided on the outer surface (212), and at least part of the first heat dissipation portion (26) covers at least part of the periphery of the stator assembly (4). The arrangement facilitates heat dissipation of the stator assembly (4) and extends the service life of the electric oil pump (100).
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公开(公告)号：EP3770434A1
公开(公告)日：2021-01-27
申请号：EP19811524.8
申请日：2019-05-27
发明人： YIN, Bingjiu , YE, Wei , SUN, Yongfeng , ZHANG, Kai , WU, Zhiwang , QIAN, Fangxu
摘要： An electric oil pump (100) includes a pump housing provided with an a first cavity (80) and a second cavity (90); a first rotor assembly (2) disposed in the first cavity (80); a stator assembly (4) and a second rotor assembly (3) that are disposed in the second cavity (90); an electric control board assembly (6); an isolating member (5), where the stator assembly (4) is disposed at a first side of the isolating member (5), the electric control board assembly (6) is disposed at a second side of the isolating member (5); and a wiring terminal (10) fixedly connected to the isolating member (5); where a connecting position between the wiring terminal (10) and the isolating member (5) is sealed and a connecting position between the isolating member (5) and the pump housing is sealed. The electric oil pump can prevent working medium from affecting the performance of the electric control board assembly.
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公开(公告)号：EP3677779A1
公开(公告)日：2020-07-08
申请号：EP18850865.9
申请日：2018-06-11
发明人： LU, Jiangang , WU, Zhiwang , YIN, Bingjiu , ZHANG, Kai , ZHOU, Yubin
摘要： An electric oil pump (100) comprises a pump housing, a first rotor assembly (8), a pump shaft (5), a second rotor assembly (3), a stator assembly (4), and a circuit board assembly (6). The pump housing comprises at least a first housing (1), a second housing (2), and a third housing (7). A first cavity (80) is formed between the first housing (1) and the second housing (2). A second cavity (90) is formed between the second housing (2) and the third housing (7). The first rotor assembly (8) is accommodated in the first cavity (80). The second rotor assembly (3), the stator assembly (4), and the circuit board assembly (6) are accommodated in the second cavity (90). The first cavity (80) and the second cavity (90) are isolated by an isolation portion (22), such that working media provided therein do not communicate with each other.
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