公开(公告)号：US20190291567A1

公开(公告)日：2019-09-26

申请号：US16346514

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

Inventor： Wei HUANG ,  Youbin XU ,  Zhen ZHAI ,  Heping LING

IPC: B60K6/48 ,  B60K6/36 ,  F16H3/00 ,  F16H3/085

Abstract: A power transmission system includes: a power source; a first motor generator unit; a system power output portion; a first and a second mode conversion devices. The power source and the first motor generator unit is connected to or disconnected from the system power output portion through the first mode conversion device. The power source can be connected to or disconnected from the first mode conversion device through the second mode conversion device. The second mode conversion device includes a conversion device input shaft, a first conversion device intermediate shaft and a conversion device output shaft, and the conversion device output shaft is connected to the first motor generator unit; and power from the power source is suitable for being decelerated sequentially through the conversion device input shaft, the first conversion device intermediate shaft and the conversion device output shaft and then output to the first mode conversion device.

公开(公告)号：US20250042220A1

公开(公告)日：2025-02-06

申请号：US18924086

申请日：2024-10-23

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Wei HUANG ,  Zhen ZHAI ,  Gan SONG

IPC: B60H1/00

Abstract: A vehicle air conditioning system includes a first passenger compartment heating loop and a first battery pack heat exchange loop. The first passenger compartment heating loop and the first battery pack heat exchange loop share a compressor and an out-vehicle condenser. The first passenger compartment heating loop further includes an in-vehicle condenser, the first battery pack heat exchange loop further includes a heat conducting component connected to a power battery. The power battery is connected to a self-heating circuit used for self-heating the power battery; and an outlet of the compressor is in communication with an inlet of the in-vehicle condenser. An outlet of the in-vehicle condenser is in communication with an inlet of the out-vehicle condenser, and an outlet of the out-vehicle condenser is in communication with an inlet of the compressor.

公开(公告)号：US20190299992A1

公开(公告)日：2019-10-03

申请号：US16346523

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Zhen ZHAI ,  Youbin XU ,  Wei HUANG

IPC: B60W30/182 ,  F16H37/08 ,  F16H3/72

Abstract: A power transmission system for a vehicle includes: a power source; a first motor generator unit; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source, the speed change unit includes a speed change unit output portion, and the speed change unit output portion is suitable for outputting power from at least one of the power source and the first motor generator unit; a system power output portion; and a mode conversion device, where the speed change unit output portion is power-coupled to or power-decoupled from the system power output portion through the mode conversion device, so that the mode conversion device is suitable for decelerating the power received from the speed change unit output portion and then outputting the decelerated power to the system power output portion.

公开(公告)号：US20190291568A1

公开(公告)日：2019-09-26

申请号：US16346521

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Zhen ZHAI ,  Youbin XU ,  Wei HUANG

IPC: B60K6/48 ,  F16H3/00 ,  F16H3/085 ,  F16H37/06 ,  B60K6/365

Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is selectively power-coupled to the power source; a first motor generator unit; a system power output portion; and a mode conversion device, where the mode conversion device includes: a conversion device input portion and a conversion device output portion, the conversion device input portion outputs power from at least one of the power source and the first motor generator unit, the conversion device output portion is connected to an input end of the system power output portion, and the conversion device input portion is selectively power-coupled to the conversion device output portion; and when the conversion device input portion is power-coupled to the conversion device output portion, the rotational speed of the conversion device input portion is greater than or equal to the rotational speed of the conversion device output portion.

公开(公告)号：US20190308497A1

公开(公告)日：2019-10-10

申请号：US16346507

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Zhen ZHAI ,  Youbin XU ,  Wei HUANG

IPC: B60K6/48 ,  B60K6/387 ,  B60K6/365 ,  B60K6/547

Abstract: The present invention discloses a power transmission system and a vehicle having same. The power transmission system includes: a power source; a speed change unit; a first motor generator, where the first motor generator is power-coupled to the speed change unit; a speed change unit output portion, where the speed change unit output portion is constructed to be suitable for outputting power output through the speed change unit; a system power output portion; a mode conversion device, where the speed change unit output portion is power-coupled to or power-decoupled from the system power output portion through the mode conversion device, and the speed change unit output portion is power-coupled to the system power output portion through the mode conversion device, so that the mode conversion device is suitable for decelerating the power received from the speed change unit output portion and then outputting the decelerated power to the system power output portion; and a power switching device, where the speed change unit is power-coupled to or power-decoupled from the speed change unit output portion through the power switching device.

公开(公告)号：US20190299767A1

公开(公告)日：2019-10-03

申请号：US16346524

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

Inventor： Yubo LIAN ,  Heping LING ,  Zhen ZHAI ,  Youbin XU ,  Wei HUANG

IPC: B60K6/44 ,  B60K6/547

Abstract: A power transmission system includes: a power source; a speed change unit, where the speed change unit is suitable for being selectively power-coupled to the power source; a first motor generator unit; a system power output portion; a first mode conversion device, where at least one of the speed change unit and the first motor generator unit is power-coupled to or power-decoupled from the system power output portion through the first mode conversion device; and a second mode conversion device, where the speed change unit can be power-coupled to or power-decoupled from the first mode conversion device through the second mode conversion device, and the speed change unit can be power-coupled to the first mode conversion device through the second mode conversion device, so that power from the power source is decelerated sequentially through the speed change unit and the second mode conversion device and then output to the first mode conversion device.

公开(公告)号：US20190255942A1

公开(公告)日：2019-08-22

申请号：US16346499

申请日：2017-10-30

Applicant: BYD COMPANY LIMITED

Inventor： Heping LING ,  Zhen ZHAI ,  Wei HUANG ,  Youbin XU

IPC: B60K17/02 ,  B60K6/24 ,  B60K17/08 ,  B60K17/16 ,  B60K6/26 ,  B60K6/36 ,  B60K6/42

Abstract: The power transmission system includes: a power source; a first motor generator unit; a system power output portion; and a mode conversion device, where the mode conversion device includes: an input portion, a first conversion portion, a second conversion portion and an output portion, the output portion is connected to an input end of the system power output portion, the input portion is suitable for outputting power from at least one of the power source and the first motor generator unit, the input portion is selectively connected to one of the first conversion portion and the second conversion portion, and each of the first conversion portion and the second conversion portion cooperates with the output portion to perform transmission; and the input portion is connected to the second conversion portion, so that a rotational speed output by the input portion is reduced and then output to the input end of the system power output portion.