公开(公告)号：US20200025194A1

公开(公告)日：2020-01-23

申请号：US16337870

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: F04B53/00 ,  B60R13/08 ,  F04C11/00

Abstract: A motor oil pump assembly includes: an inner sound insulation enclosure encloses an 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, the inner sound insulation cavity is in communication with a low-pressure cavity of the oil pump component, and the inner sound insulation enclosure is provided with a sound insulation enclosure cavity; and a pre-tightening buffering component, where the pre-tightening buffering component includes a piston and an elastic member, the piston fits in with the sound insulation enclosure cavity, the piston and an upper end cover of the oil pump component are integrally formed, and the elastic member is elastically sandwiched between a top wall of the sound insulation enclosure cavity and the piston, where the sound insulation enclosure cavity is in communication with a high-pressure cavity of the oil pump component.

公开(公告)号：US20190219069A1

公开(公告)日：2019-07-18

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 ,  F04D13/08 ,  B62D5/06 ,  B60R13/08

CPC classification number: F04D29/669 ,  B60R13/08 ,  B60R13/0884 ,  B62D5/06 ,  B62D5/064 ,  F04D13/08

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.

公开(公告)号：US20210324849A1

公开(公告)日：2021-10-21

申请号：US16337864

申请日：2017-09-26

Applicant: BYD COMPANY LIMITED

Inventor： Shenglin YANG ,  Jun LI ,  Taiji CHEN ,  Guojie RAO ,  Yan LIU ,  Tao WANG ,  Kunzhen YANG ,  Hui XUE ,  Yanzi LI

IPC: F04B53/00 ,  F04C29/06 ,  F04D29/66 ,  G10K11/16

Abstract: A motor oil pump assembly includes: an inner sound insulation enclosure encloses an 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, the inner sound insulation cavity is in communication with a low-pressure cavity of the oil pump component, and the inner sound insulation enclosure is provided with a sound insulation enclosure cavity; and a pre-tightening buffering component, where the pre-tightening buffering component includes a piston and an elastic member, the piston fits in with the sound insulation enclosure cavity and presses against an upper end cover of the oil pump component, and the elastic member is used to provide a pre-tightening force for tightly pressing the upper end cover, where the sound insulation enclosure cavity is in communication with a high-pressure cavity of the oil pump component.

公开(公告)号：US20200031388A1

公开(公告)日：2020-01-30

申请号：US16337852

申请日：2017-09-26

Applicant: BYD COMPANY LIMITED

Inventor： Shenglin YANG ,  Jun LI ,  Hui XUE ,  Guojie RAO ,  Yan LIU ,  Tao WANG ,  Kunzhen YANG ,  Yanzi LI ,  Taiji CHEN

IPC: B62D5/06 ,  F01M1/02 ,  F04B53/00

Abstract: A motor oil pump assembly includes: an oil pump component is supported on an end cover of a motor component, and an upper end cover of the oil pump component has an end cover cavity that runs through the upper end cover and in communication with a high-pressure cavity of the oil pump component; an inner sound insulation enclosure encloses the oil pump component and is in communication with a low-pressure cavity of 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 includes a piston and an elastic member, the piston fits in with the end cover cavity to isolate the high-pressure cavity from the inner sound insulation cavity, and the elastic member is elastically sandwiched between the piston and the inner sound insulation enclosure.