Hydraulic block for redundancy of electronic braking device for vehicle

Patent metadata

Field	Value
Publication number	US-11485336-B2
Application number	US-202016795328-A
Country	US
Kind code	B2
Filing date	Feb 19, 2020
Priority date	Oct 29, 2019
Publication date	Nov 1, 2022
Grant date	Nov 1, 2022

Abstract

A hydraulic block for redundancy of an electronic braking device may include: a block body having a motor mounting part to which a motor is coupled and a controller mounting part to which an ECU is coupled; hydraulic control ports formed on the block body, and connected to a first output line of a main braking device and a first hydraulic braking line, in order to perform hydraulic braking on ones of front wheels and rear wheels; drain ports formed on the block body, and connected to a second output line of the main braking device and a second hydraulic braking line, in order to reduce the pressure of the others; and a hydraulic circuit configured to form a flow path of operating fluid in the block body, and control the flow rates and pressures of operating fluids passing through the hydraulic control ports and the drain ports.

First claim

What is claimed is:

1. A hydraulic block for redundancy of an electronic braking device for vehicle, comprising:
a block body having a motor mounting part to which a motor is coupled and a controller mounting part to which an ECU (Electronic Control Unit) is coupled;
hydraulic control ports provided on the block body, and connected to a first output line of a main braking device and a first hydraulic braking line for individually adjusting wheels, in order to perform hydraulic braking on ones of front wheels and rear wheels;
drain ports provided on the block body, and connected to a second output line of the main braking device and a second hydraulic braking line for individually adjusting the wheels, in order to reduce the pressure of the others of the front wheels and the rear wheels; and
a hydraulic circuit configured to form a flow path of operating fluid in the block body, and control the flow rates and pressures of operating fluids passing through the hydraulic control ports and the drain ports, and having valves housed therein, the valves being mounted in the ECU,
wherein the drain ports comprise:
a drain input port connected to the second output line; and
a drain output port through which fluid introduced into the block body through the drain input port is discharged,

the hydraulic control ports comprise:
an input port part connected to the first output line; and
an output port part connected to the first hydraulic braking line, and

the input port part comprises:
a first input port connected to one side of the first output line; and
a second input port connected to the other side of the first output line.

2. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 1 , further comprising:
one or more reservoir ports disposed on the block body and connected to a reservoir line for supplying operating fluid to a reservoir.

3. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 2 , wherein the one or more reservoir ports are disposed on a front surface of the block body, and disposed above a pump mounting bore.

4. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 2 , wherein the one or more reservoir ports comprise:
a first reservoir port disposed above the pump mounting bore, and disposed on one side of the left and right sides of the motor mounting part; and
a second reservoir port disposed above the pump mounting bore, and disposed on the other side of the left and right sides of the motor mounting part.

5. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 1 , wherein the output port part comprises:
a first output port through which fluid introduced into the block body through the first input port is discharged; and
a second output port through which fluid introduced into the block body through the second input port is discharged.

6. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 5 , wherein the motor mounting part is disposed on a front surface of the block body, and
the controller mounting part is disposed on a rear surface of the block body,
wherein one of the first and second input ports is disposed on a top surface of the block body with the first and second output ports, and
the other of the first and second input ports is disposed on the front surface of the block body and disposed under a pump mounting bore.

7. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 5 , wherein the motor mounting part is disposed on a front surface of the block body, and
the controller mounting part is disposed on a rear surface of the block body,
wherein one of the first and second output ports is disposed on the top surface of the block body with the first and second input ports, and
the other of the first and second output ports is disposed on the front surface of the block body and disposed under a pump mounting bore.

8. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 5 , wherein one of the drain input port and the drain output port is disposed on the top surface of the block body with one of the first and second input ports, the first output port and the second output port,
the other of the first and second input ports is disposed on the front surface of the block body, disposed under a pump mounting bore, and disposed on one side of the left and right sides of the motor mounting part, and
the other of the drain input port and the drain output port is disposed on the front surface of the block body, disposed under the pump mounting bore, and disposed on the other side of the left and right sides of the motor mounting part.

9. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 5 , wherein one of the drain input port and the drain output port is disposed on the top surface of the block body with one of the first and second output ports, the first input port and the second input port,
the other of the first and second output ports is disposed on the front surface of the block body, disposed under a pump mounting bore, and disposed on one side of the left and right sides of the motor mounting part, and
the other of the drain input port and the drain output port is disposed on the front surface of the block body, disposed under the pump mounting bore, and disposed on the other side of the left and right sides of the motor mounting part.

10. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 5 , further comprising one or more reservoir ports disposed on the block body and connected to a reservoir line for supplying operating fluid to a reservoir.

11. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 10 , wherein the hydraulic circuit further comprises:
a first braking flow path extended from the first input port to the first output port, and having hydraulic pressure controlled by one of the valves;
a second braking flow path extended from the second input port to the second output port, and having hydraulic pressure controlled by another of the valves;
a drain flow path extended from the bypass flow path to the one or more reservoir ports.

12. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 10 , wherein the one or more reservoir ports are disposed on the front surface of the block body, and disposed above a pump mounting bore.

13. The hydraulic block for redundancy of an electronic braking device for vehicle of claim 12 , wherein the one or more reservoir ports comprise:
a first reservoir port disposed above the pump mounting bore, and disposed on one side of the left and right sides of the motor mounting part; and
a second reservoir port disposed above the pump mounting bore, and disposed on the other side of the left and right sides of the motor mounting part.

14. A hydraulic block for redundancy of an electronic braking device for vehicle, comprising:
a block body having a motor mounting part to which a motor is coupled and a controller mounting part to which an ECU (Electronic Control Unit) is coupled;
hydraulic control ports provided on the block body, and connected to a first output line of a main braking device and a first hydraulic braking line for individually adjusting wheels, in order to perform hydraulic braking on ones of front wheels and rear wheels;
drain ports provided on the block body, and connected to a second output line of the main braking device and a second hydraul

Assignees

• Hyundai Mobis Co Ltd

Inventors

• Ahn Sung Ki

Classifications

• B60T13/168 Primary

  Arrangements for pressure supply · CPC title

• B60T8/343

  Systems characterised by their lay-out (B60T8/349 takes precedence) · CPC title

• B60T13/686 Primary

  in hydraulic systems or parts thereof · CPC title

• B60T2270/402

  Back-up · CPC title

• B60T13/74

  with electrical assistance or drive · CPC title