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公开(公告)号：US09021908B2
公开(公告)日：2015-05-05
申请号：US13726985
申请日：2012-12-26
Applicant: Shenzhen BYD Auto R&D Company Limited , BYD Company Limited
Inventor： Yi Ren , Shenglin Yang , Jun Li
CPC classification number: F16H47/02 , F04B23/00 , F16D48/0206 , F16D2048/0236 , F16D2048/0245 , F16D2048/0248 , F16D2048/0263 , F16D2048/0266 , F16D2048/0275 , F16D2048/0278 , F16D2048/0281 , F16D2048/0293 , Y10T74/19149 , Y10T74/19158 , Y10T74/19251 , Y10T137/86019
Abstract: A hydraulic system of an electric vehicle may comprise: an oil container; a first and a second clutch driving circuits connected in parallel; an internal pump driven by a driving system of the electric vehicle; a first check valve connected in series at an outlet side of the internal pump; an external pump driven by an external pump motor; and a second check valve connected in series at an outlet side of the external pump. The first check valve and the internal pump connected in series and the second check valve and the external pump connected in series are connected in parallel between the oil container and the first and second clutch driving circuits.
Abstract translation: 电动车辆的液压系统可以包括：油容器; 并联连接的第一和第二离合器驱动电路; 由电动车辆的驱动系统驱动的内部泵; 在内部泵的出口侧串联连接的第一止回阀; 由外部泵马达驱动的外部泵; 以及在外部泵的出口侧串联连接的第二止回阀。 串联连接的第一止回阀和内部泵以及串联连接的第二止回阀和外部泵并联连接在油箱与第一和第二离合器驱动回路之间。
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公开(公告)号：US20130180358A1
公开(公告)日：2013-07-18
申请号：US13726985
申请日：2012-12-26
Applicant: Shenzhen BYD Auto R&D Limited , BYD COMPANY LIMITED
Inventor： Yi REN , Shenglin Yang , Jun Li
CPC classification number: F16H47/02 , F04B23/00 , F16D48/0206 , F16D2048/0236 , F16D2048/0245 , F16D2048/0248 , F16D2048/0263 , F16D2048/0266 , F16D2048/0275 , F16D2048/0278 , F16D2048/0281 , F16D2048/0293 , Y10T74/19149 , Y10T74/19158 , Y10T74/19251 , Y10T137/86019
Abstract: A hydraulic system of an electric vehicle may comprise: an oil container; a first and a second clutch driving circuits connected in parallel; an internal pump driven by a driving system of the electric vehicle; a first check valve connected in series at an outlet side of the internal pump; an external pump driven by an external pump motor; and a second check valve connected in series at an outlet side of the external pump. The first check valve and the internal pump connected in series and the second check valve and the external pump connected in series are connected in parallel between the oil container and the first and second clutch driving circuits.
Abstract translation: 电动车辆的液压系统可以包括：油容器; 并联连接的第一和第二离合器驱动电路; 由电动车辆的驱动系统驱动的内部泵; 在内部泵的出口侧串联连接的第一止回阀; 由外部泵马达驱动的外部泵; 以及在外部泵的出口侧串联连接的第二止回阀。 串联连接的第一止回阀和内部泵以及串联连接的第二止回阀和外部泵并联连接在油箱与第一和第二离合器驱动回路之间。
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公开(公告)号：US11035386B2
公开(公告)日：2021-06-15
申请号：US16336056
申请日：2017-09-26
Applicant: BYD COMPANY LIMITED
Inventor： Shenglin Yang , Jun Li , Kunzhen Yang , Yan Liu , Guojie Rao , Tao Wang , Hui Xue , Yanzi Li , Taiji Chen
IPC: F04D29/66 , F04B23/02 , F04B17/03 , F04B53/00 , F04B53/16 , B62D5/06 , F04C15/00 , F04C11/00 , F01C21/10 , F04C2/00 , F04C2/14
Abstract: A motor oil pump assembly includes: a motor component; an oil pump component, where the oil pump component is supported on an end cover of the motor component; an inner sound insulation enclosure, where the inner sound insulation enclosure encloses the oil pump component, and the inner sound insulation enclosure and the oil pump component define an inner sound insulation cavity filled with low-pressure oil; and a pre-tightening buffering component, where the pre-tightening buffering component is pressed between an upper end cover of the oil pump component and the inner sound insulation enclosure, and the pre-tightening buffering component is in communication with a high-pressure cavity of the oil pump component.
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