Back to results
US 12,370,989 B2Granted
Electro-hydraulic brake device
AssigneeHyundai Mobis Co., Ltd.
InventorSung Ki Ahn
Life of this patent
Estimating the term…
Abstract
Proposed is an electro-hydraulic brake device including a main brake unit configured to provide a braking fluid to a plurality of wheel cylinders by driving a motor, a storage unit connected to the main brake unit, and configured to store the braking fluid, an auxiliary brake unit configured to provide the braking fluid to one or more of the wheel cylinders when an operational failure of the main brake unit occurs, and configured to divide a hydraulic line of a hydraulic circuit unit physically by a function, wherein the hydraulic circuit unit disposed at a block unit is connected to the main brake unit and the storage unit.
Claims13
An electro-hydraulic brake device comprising:
- a main brake unit configured to provide a braking fluid to a plurality of wheel cylinders of a vehicle;
- a storage unit connected to the main brake unit and configured to store the braking fluid;
- and
- an auxiliary brake unit configured to provide the braking fluid to one or more of the wheel cylinders when an operational failure occurs to the main brake unit, and including a block unit and a hydraulic circuit unit disposed in the block unit,
- wherein a hydraulic line of the hydraulic circuit unit is physically divided into a plurality of auxiliary flow units based on function, and the hydraulic circuit unit is connected to the main brake unit and the storage unit,
- wherein the block unit comprises:
- a block body unit;
- a main connection port disposed at an upper portion of the block body unit and configured to guide a connection of the main brake unit;
- a storage connection port disposed at the upper portion of the block body unit and configured to guide a connection of the storage unit;
- a wheel connection port disposed at a front portion of the block body unit and configured to guide a connection of the wheel cylinder;
- a pump port unit disposed at a side portion of the block body unit and configured to guide a flow of the braking fluid by an electric pump unit;
- and
- one or more valve ports disposed at the block body unit and configured to guide the flow of the braking fluid by a valve unit in communication with the hydraulic circuit unit,
- wherein the plurality of auxiliary flow units of the hydraulic circuit unit comprise:
- a first auxiliary flow unit in communication with a first valve port of the one or more valve ports and configured to connect the wheel cylinders to the main brake unit and control the flow of the braking fluid;
- a second auxiliary flow unit in communication with a second valve port of the one or more valve ports and configured to connect the electric pump unit to the first auxiliary flow unit and control the flow of the braking fluid;
- a third auxiliary flow unit in communication with a third valve port of the one or more valve ports and configured to connect the first auxiliary flow unit with the electric pump unit and control the flow of the braking fluid;
- and
- a fourth auxiliary flow unit configured to connect the storage unit to the third auxiliary flow unit, control the flow of the braking fluid and in communication with a fourth valve port unit.
16 more elements
An electro-hydraulic brake device comprising:
- a main brake unit configured to provide a braking fluid to a plurality of wheel cylinders of a vehicle;
- a storage unit connected to the main brake unit and configured to store the braking fluid;
- and
- an auxiliary brake unit configured to provide the braking fluid to one or more of the wheel cylinders when an operational failure occurs to the main brake unit, and including a block unit and a hydraulic circuit unit disposed in the block unit,
- wherein a hydraulic line of the hydraulic circuit unit is physically divided into a plurality of auxiliary flow units based on function, and the hydraulic circuit unit is connected to the main brake unit and the storage unit,
- wherein the block unit comprises:
- a block body unit;
- a main connection port disposed at an upper portion of the block body unit and configured to guide a connection of the main brake unit;
- a storage connection port disposed at the upper portion of the block body unit and configured to guide a connection of the storage unit;
- a wheel connection port disposed at a front portion of the block body unit and configured to guide a connection of the wheel cylinder;
- a pump port unit disposed at a side portion of the block body unit and configured to guide a flow of the braking fluid by an electric pump unit;
- and
- one or more valve ports disposed at the block body unit and configured to guide the flow of the braking fluid by a valve unit in communication with the hydraulic circuit unit,
- wherein the plurality of auxiliary flow units of the hydraulic circuit unit comprise:
- a first auxiliary flow unit in communication with a first valve port of the one or more valve ports and configured to connect the wheel cylinders to the main brake unit and control the flow of the braking fluid;
- a second auxiliary flow unit in communication with a second valve port of the one or more valve ports and configured to connect the electric pump unit to the first auxiliary flow unit and control the flow of the braking fluid;
- and
- a third auxiliary flow unit in communication with a third valve port of the one or more valve ports and configured to connect the first auxiliary flow unit with the electric pump unit and control the flow of the braking fluid
- wherein the first auxiliary flow unit comprises:
- a first flow line configured to connect the main connection port to the main brake unit and guide the flow of the braking fluid;
- a second flow line disposed at the block body unit, in communication with the first valve port unit and configured to connect the wheel connection port to the main connection port;
- a third flow line configured to connect the wheel cylinder to the wheel connection port and guide the flow the braking fluid;
- and
- a first flow valve disposed at the first valve port unit and configured to open or close the second flow line of the first auxiliary flow unit,
- wherein the third auxiliary flow unit comprises:
- a first flow line disposed at the block body unit and configured to connect the second flow line of first auxiliary flow unit to the pump port unit and guide the flow of the braking fluid;
- and
- a first flow valve disposed at the third valve port and configured to open or close the first flow line, and
- wherein the first flow valve of the third auxiliary flow unit is configured to open the third flow line to allow the braking fluid to be discharged from the electric pump unit to the wheel cylinder.
26 more elements
An electro-hydraulic brake device comprising:
- a main brake unit configured to provide a braking fluid to a plurality of wheel cylinders of a vehicle;
- a storage unit connected to the main brake unit and configured to store the braking fluid;
- and
- an auxiliary brake unit configured to provide the braking fluid to one or more of the wheel cylinders when an operational failure occurs to the main brake unit, and including a block unit and a hydraulic circuit unit disposed in the block unit,
- wherein a hydraulic line of the hydraulic circuit unit is physically divided into a plurality of auxiliary flow units based on function, and the hydraulic circuit unit is connected to the main brake unit and the storage unit,
- wherein the block unit comprises:
- a block body unit;
- a main connection port disposed at an upper portion of the block body unit and configured to guide a connection of the main brake unit;
- a storage connection port disposed at the upper portion of the block body unit and configured to guide a connection of the storage unit;
- a wheel connection port disposed at a front portion of the block body unit and configured to guide a connection of the wheel cylinder;
- a pump port unit disposed at a side portion of the block body unit and configured to guide a flow of the braking fluid by an electric pump unit;
- and
- one or more valve ports disposed at the block body unit and configured to guide the flow of the braking fluid by a valve unit in communication with the hydraulic circuit unit,
- wherein the plurality of auxiliary flow units of the hydraulic circuit unit comprise:
- a first auxiliary flow unit in communication with a first valve port of the one or more valve ports and configured to connect the wheel cylinders to the main brake unit and control the flow of the braking fluid;
- a second auxiliary flow unit in communication with a second valve port of the one or more valve ports and configured to connect the electric pump unit to the first auxiliary flow unit and control the flow of the braking fluid;
- a third auxiliary flow unit in communication with a third valve port of the one or more valve ports and configured to connect the first auxiliary flow unit with the electric pump unit and control the flow of the braking fluid;
- and
- wherein the third valve port includes:
- an inlet part disposed at a rear portion of the block body unit and connected to the first auxiliary flow unit;
- and
- an outlet part connected to the third auxiliary flow unit.
19 more elements
Dependencies are inferred from the claim text.