公开(公告)号：EP4047207A1

公开(公告)日：2022-08-24

申请号：EP20876696.4

申请日：2020-10-14

Applicant: BYD Company Limited

Inventor： YAO, Yugang ,  LIU, Guoshan ,  SU, Donglin ,  LIU, Jing ,  ZHANG, Nan

IPC: F04B49/14 ,  F04B53/00 ,  F04B53/14 ,  F04B53/22 ,  B60T11/16

Abstract: A piston pump group for a brake system and a control method thereof are provided, and the piston pump group includes: a piston (2), a pump body (1) provided with an operating chamber, and a transmission mechanism (3) used for driving the piston (2) to move in the operating chamber, where the transmission mechanism includes a lead screw transmission assembly (32), a follower (33), and a planetary gear assembly (31) used for transmitting power to the lead screw transmission assembly, the follower (33) is fixedly connected to the piston (2), the lead screw transmission assembly (32) is used for driving the follower (33) to move relative to the operating chamber, and a limiting member (34) used for limiting the movement of the follower is disposed between the lead screw transmission assembly (32) and the follower (33).

公开(公告)号：EP4049907A1

公开(公告)日：2022-08-31

申请号：EP20881903.7

申请日：2020-10-21

Applicant: BYD Company Limited

Inventor： YAO, Yugang ,  HE, Zhongchang ,  CHEN, Hailong ,  LIU, Jing ,  ZHANG, Nan

IPC: B60T13/12

Abstract: A manifold block for a vehicle braking system and a vehicle are provided. The manifold block of the vehicle braking system comprises a hydraulic unit body (1), a solenoid valve mounting hole (2) for mounting a solenoid valve, a sensor mounting hole (3) for mounting a liquid pressure sensor and a simulator accommodation part (4) for installing the pedal simulator. The hydraulic unit body (1) is provided with a solenoid valve mounting face (5). The solenoid valve mounting hole (2), the sensor mounting hole (3) and the simulator accommodation part (4) are all arranged on the solenoid valve mounting face (5).