Hydraulic block of electronic braking device for vehicle

Patent metadata

Field	Value
Publication number	US-11807200-B2
Application number	US-202017126150-A
Country	US
Kind code	B2
Filing date	Dec 18, 2020
Priority date	Nov 3, 2020
Publication date	Nov 7, 2023
Grant date	Nov 7, 2023

Abstract

A hydraulic block of an electronic braking device for a vehicle includes a first input port and a second input port configured to receive a brake fluid from a main braking system, at least one oil chamber connected to one input port of the first input port and the second input port, a first output port and a second output port configured to discharge the brake fluid to a plurality of wheel brake apparatuses, a first inlet line configured to connect the first input port and the first output port to each other, and a second inlet line configured to connect the second input port and the second output port to each other, a first outlet line bifurcated from the first inlet line, a second outlet line bifurcated from the second inlet line, and a valve mounting unit mounted with a plurality of valves.

First claim

What is claimed is:

1. A hydraulic block of an electronic braking device for a vehicle, the hydraulic block comprising:
a first input port, a second input port, and a third input port, each configured to receive a brake fluid from a main braking system;
at least one oil chamber of a plurality of oil chambers connected to one input port of the first input port and the second input port, the at least one oil chamber configured to receive and store a brake fluid from the one input port of the first input port and the second input port;
a first output port, a second output port, and a third output port, each configured to discharge the brake fluid to a plurality of wheel brake apparatuses;
a first inlet line configured to connect the first input port and the first output port to each other, a second inlet line configured to connect the second input port and the second output port to each other, and a third inlet line configured to connect the third input port and the third output port to each other;
a first outlet line bifurcated from the first inlet line, the first outlet line connected to the at least one oil chamber of the plurality of oil chambers;
a second outlet line bifurcated from the second inlet line, the second outlet line connected to a remaining oil chamber of the plurality of oil chambers;
a third outlet line configured to connect a point in the third inlet line to at least one of the first outlet line and the second outlet line; and
a valve mounting unit mounted with a plurality of valves for an opening operation and a closing operation of each of the first inlet line, the second inlet line, the third inlet line, the first outlet line, the second outlet line, and the third outlet line.

2. The hydraulic block of claim 1 , wherein the at least one oil chamber comprises:
a first oil chamber connected to the first input port and the first output port, the first oil chamber disposed at an upper end of the first inlet line; and
a second oil chamber connected to the second input port and the second output port, the second oil chamber disposed at an upper end of the second inlet line.

3. The hydraulic block of claim 1 , wherein the valve mounting unit comprises:
a first traction control valve disposed in the first inlet line, the first traction control valve configured to regulate the opening operation and the closing operation of the first inlet line; and
a second traction control valve disposed on the second inlet line, the second traction control valve configured to regulate the opening operation and the closing operation of the second inlet line.

4. The hydraulic block of claim 3 , wherein the valve mounting unit is a hole mounted with:
a first inlet valve disposed between a point on the first inlet line formed at a lower end of the first traction control valve and a bifurcation with the first outlet line, the first inlet valve configured to regulate the opening operation and the closing operation of the first inlet line; and
a second inlet valve disposed between a point on the second inlet line formed at a lower end of the second traction control valve and a bifurcation with the second outlet line, the second inlet valve configured to regulate the opening operation and the closing operation of the second inlet line.

5. The hydraulic block of claim 1 , wherein the valve mounting unit is mounted with:
a first outlet valve disposed in the first outlet line, the first outlet valve configured to regulate the opening operation and the closing operation of the first outlet line;
a second outlet valve disposed in the second outlet line, the second outlet valve configured to regulate the opening operation and the closing operation of the second outlet line; and
a third outlet valve disposed in the third outlet line, the third outlet valve configured to regulate an opening operation and a closing operation of the third outlet line.

6. The hydraulic block of claim 5 , further comprising:
a first accumulator mounting unit configured to receive at least a part of a brake fluid discharged from the first outlet line; and
a second accumulator mounting unit configured to receive at least a part of a brake fluid discharged from the second outlet line.

7. The hydraulic block of claim 6 , wherein at least one of the first accumulator mounting unit and the second accumulator mounting unit is configured to receive at least a part of a brake fluid discharged from the third outlet line.

8. A hydraulic block of an electronic braking device for a vehicle, the hydraulic block comprising:
a first input port and a second input port configured to receive a brake fluid from a main braking system;
at least one oil chamber of a plurality of oil chambers connected to one input port of the first input port and the second input port, the at least one oil chamber configured to receive and store a brake fluid from the one input port of the first input port and the second input port;
a first output port and a second output port configured to discharge the brake fluid to a plurality of wheel brake apparatuses;
a first inlet line configured to connect the first input port and the first output port to each other, and a second inlet line configured to connect the second input port and the second output port to each other;
a first outlet line bifurcated from the first inlet line, the first outlet line connected to the at least one oil chamber of the plurality of oil chambers;
a second outlet line bifurcated from the second inlet line, the second outlet line connected to a remaining oil chamber of the plurality of oil chambers;
a valve mounting unit mounted with a plurality of valves for an opening operation and a closing operation of each of the first inlet line, the second inlet line, the first outlet line, and the second outlet line;
a first pump mounting unit configured to mount a first pump connected to a point on the first inlet line; and
a second pump mounting unit configured to mount a second pump connected to a point on the second inlet line,
wherein the at least one oil chamber comprises:
a first oil chamber connected to the first input port and the first output port, the first oil chamber disposed at an upper end of the first inlet line; and
a second oil chamber connected to the second input port and the second output port, the second oil chamber disposed at an upper end of the second inlet line,
wherein:
a brake fluid flowing into the first input port is configured to pass through the first oil chamber and flow to the first pump mounting unit and the first output port; and
a brake fluid flowing into the second input port is configured to pass through the second oil chamber and flow to the second pump mounting unit and the second output port.

Assignees

• Hyundai Mobis Co Ltd

Inventors

• Ahn Sung Ki

Classifications

• B60T13/141 Primary

  Systems with distributor valve (B60T13/147 takes precedence) · CPC title

• B60T8/4809

  Traction control, stability control, using both the wheel brakes and other automatic braking systems · CPC title

• B60T15/028

  in hydraulic systems · CPC title

• B60T17/04

  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

• F15B1/04

  Accumulators · CPC title