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US 11,724,681 B2Granted
3-way solenoid valve and brake system for vehicle including same
AssigneeHyundai Mobis Co., Ltd.
InventorSeung Hwan Jeong
Life of this patent
Estimating the term…
Abstract
A 3-way solenoid valve and a brake system for vehicle including same. The 3-way solenoid valve includes a valve chamber, valve block, a first operation assembly, a valve seat, and a second operation assembly.
Claims19
A 3-way solenoid valve comprising:
- a valve chamber;
- a valve block including a first fluid port, a second fluid port, and a third fluid port, each in fluid communication with the valve chamber;
- a first operation assembly including a first coil, a first armature configured to generate an electromagnetic force when current is supplied to the first coil and having a hollow portion formed in a center of the first armature, a body arranged on a lower portion of the first armature and formed to allow at least a portion of the first armature to pass through inside of the body, and a first elastic unit arranged between the body and the first armature;
- a valve seat arranged to block flow of fluid between the second fluid port and the third fluid port, and having a hollow portion in a center of the valve seat;
- and
- a second operation assembly including a second coil arranged above the first coil, a second armature configured to generate an electromagnetic force when current is supplied to the second coil, a fluid control unit arranged under a hollow portion of the valve seat to control the amount of fluid flowing to the third fluid port, and a rod passing through the valve seat and the first armature while one end of the rod is in contact with the second armature and the other end of the rod is in contact with the fluid control unit,
- wherein the 3-way solenoid valve is configured so that when current is not applied to both the first coil and the second coil, a first flow path between the first armature and the valve seat is opened so that fluid passes through the hollow portion of the first armature and the first flow path to flow between the first fluid port and the second fluid port.
4 more elements
A brake system for vehicle comprising:
- one or more wheel cylinders configured to apply braking pressure to each wheel of the vehicle using hydraulic pressure;
- one or more 3-way solenoid valves configured to be placed to increase or decrease the hydraulic pressure supplied to the one or more wheel cylinders;
- and
- a brake device configured to supply hydraulic pressure to the wheel cylinder by using foot pressure applied to a brake pedal or driving a hydraulic pump,
- wherein the 3-way solenoid valve comprises:
- a valve chamber;
- a valve block including a first fluid port, a second fluid port, and a third fluid port, each in fluid communication with the valve chamber;
- a first operation assembly including a first coil, a first armature configured to generate an electromagnetic force when current is supplied to the first coil and having a hollow portion formed in a center of the first armature, a body arranged on a lower portion of the first armature and formed to allow at least a portion of the first armature to pass through inside of the body, and a first elastic unit arranged between the body and the first armature;
- a valve seat arranged to block flow of fluid between the second fluid port and the third fluid port, and having a hollow portion in a center of the valve seat;
- and
- a second operation assembly including a second coil arranged above the first coil, a second armature configured to generate an electromagnetic force when current is supplied to the second coil, a fluid control unit arranged under a hollow portion of the valve seat to control the amount of fluid flowing to the third fluid port, and a rod passing through the valve seat and the first armature while one end of the rod is in contact with the second armature and the other end of the rod is in contact with the fluid control unit,
- wherein the 3-way solenoid valve is configured so that when current is not applied to both the first coil and the second coil, a first flow path between the first armature and the valve seat is opened so that fluid passes through the hollow portion of the first armature and the first flow path to flow between the first fluid port and the second fluid port.
9 more elements
A 3-way solenoid valve comprising:
- a valve chamber;
- a valve block including a first fluid port, a second fluid port, and a third fluid port, each in fluid communication with the valve chamber;
- a first operation assembly including a first coil, a first armature configured to generate an electromagnetic force when current is supplied to the first coil and having a hollow portion formed in a center of the first armature, a body arranged on a lower portion of the first armature and formed to allow at least a portion of the first armature to pass through inside of the body, and a first elastic unit arranged between the body and the first armature;
- a valve seat arranged to block flow of fluid between the second fluid port and the third fluid port, and having a hollow portion in a center of the valve seat;
- a second operation assembly including a second coil arranged above the first coil, a second armature configured to generate an electromagnetic force when current is supplied to the second coil, a fluid control unit arranged under a hollow portion of the valve seat to control the amount of fluid flowing to the third fluid port, and a rod passing through the valve seat and the first armature while one end of the rod is in contact with the second armature and the other end of the rod is in contact with the fluid control unit;
- and
- an orifice protruding inwardly within the hollow portion of the first armature.
4 more elements
Dependencies are inferred from the claim text.