Manifold block for vehicle braking system and vehicle

Patent metadata

Field	Value
Publication number	US-12291176-B2
Application number	US-202017773537-A
Country	US
Kind code	B2
Filing date	Oct 21, 2020
Priority date	Oct 30, 2019
Publication date	May 6, 2025
Grant date	May 6, 2025

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

The invention claimed is:

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 said hydraulic unit body is provided with a solenoid valve mounting face;
wherein said solenoid valve mounting hole, said sensor mounting hole and said simulator accommodation part are all arranged on said solenoid valve mounting face;
wherein said hydraulic unit body is further provided with a connecting surface and a longitudinal surface;
wherein said connecting surface and said solenoid valve mounting face are oppositely arranged;
wherein said connecting surface comprises a port for connecting a wheel brake cylinder.

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

3. The manifold block of claim 2 , wherein said hydraulic unit body includes a lateral surface between said connecting surface and said solenoid valve mounting face;
wherein said lateral surface is vertical to the longitudinal surface and includes a leakage chamber; and
wherein said hydraulic unit body includes a leakage hole connecting said leakage chamber and said piston pump mounting hole.

4. The manifold block of claim 3 , wherein said leakage chamber is coaxial with said leakage hole, and a center axis of the leakage chamber is perpendicular to a center axis of said piston pump mounting hole and a center axis of said master brake cylinder hole.

5. 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.

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

7. The manifold block of claim 6 , wherein said oil passages further include a third oil hole and a fourth oil hole which is vertically connected with said third oil hole; wherein the end of the third oil hole which is far away from the fourth oil hole is connected to said sensor mounting hole; and
wherein said third oil hole is coaxially arranged with said sensor mounting hole.

8. The manifold block of claim 5 , 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 said solenoid valve mounting face by said brake booster valve mounting hole, and a brake pressure reduction valve is mounted on the solenoid valve mounting face by said brake pressure reduction valve mounting hole;
wherein a diagnostic valve is mounted on the solenoid valve mounting face by said diagnostic valve mounting hole, and a master brake cylinder outlet pressure regulating valve is mounted on the solenoid valve mounting face by said first regulating valve mounting hole; and
wherein a piston pump outlet pressure regulating valve is mounted on the solenoid valve mounting face by said second regulating valve mounting hole, and a pedal simulator pressure regulating valve is mounted on the solenoid valve mounting face by said third regulating valve mounting hole.

9. A vehicle, comprising the manifold block of claim 1 .

10. The vehicle according to claim 9 , wherein said vehicle further includes an electronic control unit that covers and connects to said solenoid valve mounting face of said manifold block.

11. The manifold block of claim 6 , 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 said solenoid valve mounting face by said brake booster valve mounting hole, and a brake pressure reduction valve is mounted on the solenoid valve mounting face by said brake pressure reduction valve mounting hole;
wherein a diagnostic valve is mounted on the solenoid valve mounting face by said diagnostic valve mounting hole, and a master brake cylinder outlet pressure regulating valve is mounted on the solenoid valve mounting face by said first regulating valve mounting hole; and
wherein a piston pump outlet pressure regulating valve is mounted on the solenoid valve mounting face by said second regulating valve mounting hole, and a pedal simulator pressure regulating valve is mounted on the solenoid valve mounting face by said third regulating valve mounting hole.

12. The manifold block of claim 7 , 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 said solenoid valve mounting face by said brake booster valve mounting hole, and a brake pressure reduction valve is mounted on the solenoid valve mounting face by said brake pressure reduction valve mounting hole;
wherein a diagnostic valve is mounted on the solenoid valve mounting face by said diagnostic valve mounting hole, and a master brake cylinder outlet pressure regulating valve is mounted on the solenoid valve mounting face by said first regulating valve mounting hole; and
wherein a piston pump outlet pressure regulating valve is mounted on the solenoid valve mounting face by said second regulating valve mounting hole, and a pedal simulator pressure regulating valve is mounted on the solenoid valve mounting face by said third regulating valve mounting hole.

13. 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.

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

15. The manifold block of claim 14 , wherei

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