Manifold block for vehicle braking system and vehicle

Patent metadata

Field	Value
Publication number	US-2025229760-A1
Application number	US-202519171525-A
Country	US
Kind code	A1
Filing date	Apr 7, 2025
Priority date	Oct 30, 2019
Publication date	Jul 17, 2025
Grant date	—

Abstract

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

First claim

1 . A manifold block of a vehicle braking system, the manifold block comprising a hydraulic unit body, a solenoid valve mounting hole configured to mount a solenoid valve, a sensor mounting hole configured to mount a liquid pressure sensor, and a simulator accommodation part configured to install a pedal simulator;
wherein the hydraulic unit body includes a solenoid valve mounting face; wherein the solenoid valve mounting hole and the sensor mounting hole are arranged on the solenoid valve mounting face; wherein the hydraulic unit body further includes a connecting surface; wherein the connecting surface and the solenoid valve mounting face are oppositely arranged; and wherein the connecting surface comprises a port for receiving a wheel brake cylinder.

2 . The manifold block of claim 1 , wherein the hydraulic unit body further includes a longitudinal surface between the connecting surface and the solenoid valve mounting face;
wherein the hydraulic unit body further includes a piston pump mounting hole for mounting a piston pump; wherein the piston pump mounting hole penetrates the hydraulic unit body from the solenoid valve mounting face and extends to the connecting surface; and wherein the longitudinal surface includes a master brake cylinder hole for installing a master brake cylinder.

3 . The manifold block of claim 2 , wherein the hydraulic unit body includes a lateral surface between the connecting surface and the solenoid valve mounting face.

4 . The manifold block of claim 2 , wherein a center axis of the piston pump mounting hole is parallel to a center axis of the solenoid valve mounting hole, a center axis of the sensor mounting hole, and a center axis of the simulator accommodating part, and is perpendicular to a center axis of the master brake cylinder hole.

5 . The manifold block of claim 1 , wherein the hydraulic unit body includes oil passages;
wherein the oil passages comprise a first oil hole and a second oil hole vertically connected with the first oil hole; wherein an end of the first oil hole spaced apart from the second oil hole is connected to the solenoid valve mounting hole; and wherein the first oil hole is coaxial with the solenoid valve mounting hole.

6 . The manifold block of claim 1 , further comprising a brake booster valve mounting hole, a brake pressure reduction valve mounting hole, a first regulating valve mounting hole, and a second regulating valve mounting hole;
wherein a brake booster valve is mounted on the solenoid valve mounting face via the brake booster valve mounting hole, and a brake pressure reduction valve is mounted on the solenoid valve mounting face via the brake pressure reduction valve mounting hole; and wherein a master brake cylinder outlet pressure regulating valve is mounted on the solenoid valve mounting face via the first regulating valve mounting hole and a pedal simulator pressure regulating valve is mounted on the solenoid valve mounting face via the second regulating valve mounting hole.

7 . The manifold block of claim 6 , further comprising a diagnostic valve mounting hole and a third regulating valve mounting hole, wherein a diagnostic valve is mounted on the solenoid valve mounting face via the diagnostic valve mounting hole and a piston pump outlet pressure regulating valve is mounted on the solenoid valve mounting face via the third regulating valve mounting hole.

8 . The manifold block of claim 1 , further comprising a brake booster valve mounting hole, a brake pressure reduction valve mounting hole, a diagnostic valve mounting hole, a first regulating valve mounting hole, a second regulating valve mounting hole, and a third regulating valve mounting hole;
wherein a brake booster valve is mounted on the solenoid valve mounting face via the brake booster valve mounting hole, and a brake pressure reduction valve is mounted on the solenoid valve mounting face via the brake pressure reduction valve mounting hole; wherein a diagnostic valve is mounted on the solenoid valve mounting face via the diagnostic valve mounting hole, and a master brake cylinder outlet pressure regulating valve is mounted on the solenoid valve mounting face via the first regulating valve mounting hole; and wherein a piston pump outlet pressure regulating valve is mounted on the solenoid valve mounting face via the second regulating valve mounting hole, and a pedal simulator pressure regulating valve is mounted on the solenoid valve mounting face via the third regulating valve mounting hole.

9 . The manifold block of claim 3 , wherein a center axis of the piston pump mounting hole is parallel to a center axis of the solenoid valve mounting hole, a center axis of the sensor mounting hole, and a center axis of the simulator accommodating part, and is perpendicular to the center axis of the master brake cylinder hole.

10 . The manifold block of claim 9 , wherein said hydraulic unit body includes oil passages;
wherein the oil passages comprise a first oil hole and a second oil hole vertically connected with the first oil hole; wherein an end of the first oil hole spaced apart from the second oil hole is connected to the solenoid valve mounting hole; and wherein the first oil hole is coaxial with the solenoid valve mounting hole.

11 . The manifold block of claim 10 , wherein the oil passages further comprise a third oil hole and a fourth oil hole vertically connected with said third oil hole;
wherein an end of the third oil hole spaced apart from the fourth oil hole is connected to the sensor mounting hole; and wherein said third oil hole is coaxial with said sensor mounting hole.

12 . The manifold block of claim 11 , further comprising a brake booster valve mounting hole, a brake pressure reduction valve mounting hole, a diagnostic valve mounting hole, a first regulating valve mounting hole, a second regulating valve mounting hole, and a third regulating valve mounting hole;
wherein a brake booster valve is mounted on the solenoid valve mounting face via the brake booster valve mounting hole, and a brake pressure reduction valve is mounted on the solenoid valve mounting face via the brake pressure reduction valve mounting hole; wherein a diagnostic valve is mounted on the solenoid valve mounting face via the diagnostic valve mounting hole, and a master brake cylinder outlet pressure regulating valve is mounted on the solenoid valve mounting face via the first regulating valve mounting hole; and wherein a piston pump outlet pressure regulating valve is mounted on the solenoid valve mounting face via the second regulating valve mounting hole, and a pedal simulator pressure regulating valve is mounted on the solenoid valve mounting face via the third regulating valve mounting hole.

13 . The manifold block of claim 1 , wherein a center axis of a piston pump mounting hole of the hydraulic unit body is parallel to a center axis of the solenoid valve mounting hole, a center axis of the sensor mounting hole, and a center axis of the simulator accommodating part, and is perpendicular to the center axis of a master brake cylinder hole of a longitudinal surface of the hydraulic unit body.

14 . The manifold block of claim 13 , wherein said hydraulic unit body includes oil passages;
wherein the oil passages comprise a first oil hole and a second oil hole vertically connected with the first oil hole; wherein an end of said first oil hole spaced apart from the second oil hole is connected to the solenoid valve mounting hole; and wherein the first oil hole is coaxial with the solenoid valve mounting holes.

15 . The manifold block of claim 14 , wherein t

Assignees

• Byd Co Ltd

Inventors

• Yao Yugang
• He Zhongchang
• Chen Hailong
• Liu Jing
• Zhang Nan

Classifications

• B60T13/686 Primary

  in hydraulic systems or parts thereof · CPC title

• B60T13/16

  using pumps directly, i.e. without interposition of accumulators or reservoirs · CPC title

• B60T8/368

  combined with other mechanical components, e.g. pump units, master cylinders · CPC title

• B60T8/3675

  integrated in modulator units · CPC title

• B60T17/04 Primary

  Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses (traction couplings involving joints for supply lines, electric circuits, or the like B60D1/62; couplings peculiar to railway vehicles for, or combined with, couplings or connectors for fluid conduits or electric cables B61G5/06; pipes, cut-off valves, couplings, air hoses per se F16C, F16K, F16L) · CPC title