KR100863546B1 - Hydraulic control unit - Google Patents

Hydraulic control unit Download PDF

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Publication number
KR100863546B1
KR100863546B1 KR1020070072535A KR20070072535A KR100863546B1 KR 100863546 B1 KR100863546 B1 KR 100863546B1 KR 1020070072535 A KR1020070072535 A KR 1020070072535A KR 20070072535 A KR20070072535 A KR 20070072535A KR 100863546 B1 KR100863546 B1 KR 100863546B1
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KR
South Korea
Prior art keywords
housing
solenoid valve
control unit
coil assembly
valve seat
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KR1020070072535A
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Korean (ko)
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한각현
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주식회사 만도
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
    • B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/003—Housing formed from a plurality of the same valve elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Regulating Braking Force (AREA)

Abstract

A hydraulic control unit is provided to remove a housing cover for forming a magnetic path by replacing the housing cover with a valve seat combined to a solenoid valve. A hydraulic control unit comprises a solenoid valve(30), a coil assembly(50), and a valve seat(40). The solenoid valve is fixed to a modulator block(20). The coil assembly has a coil(52) and a housing(54) and is combined to the solenoid valve. The valve seat, which is assembled to the solenoid valve, protrudes out of the surface of the modulator block. When the coil assembly is combined to the solenoid valve, the valve seat covers the bottom of the housing to help formation of a magnetic path. The valve seat is a magnetic material.

Description

하이드롤릭 콘트롤유닛{Hydraulic control unit}Hydraulic control unit

본 발명은 브레이크 시스템용 하이드롤릭 콘트롤유닛에 관한 것으로, 더욱 상세하게는 코일조립체의 구성부품을 줄여 조립성을 향상시키고 제조비용을 줄일 수 있는 하이드롤릭 콘트롤유닛에 관한 것이다.The present invention relates to a hydraulic control unit for a brake system, and more particularly to a hydraulic control unit that can reduce the components of the coil assembly to improve the assembly and reduce the manufacturing cost.

일반적으로 전자제어식 브레이크 시스템은 차량의 슬립현상을 효율적으로 방지하여 강력하고 안정된 제동력을 얻기 위한 것으로, 제동시 휠의 미끄러짐을 방지하는 안티록 브레이크 시스템(ABS:Anti-Lock brake System)과, 차량의 급발진 또는 급가속시 구동륜의 슬립을 방지하는 브레이크 트랙션 제어 시스템(BTCS:Brake Traction Control System)과, 안티록 브레이크 시스템과 트랙션 제어를 조합하여 브레이크 액압을 제어함으로써 차량의 주행상태를 안정적으로 유지시키는 차량자세제어 시스템(VDC:Vehicle Dynamic Control system) 등이 개발되어 있다.In general, the electronically controlled brake system is to obtain a strong and stable braking force by effectively preventing the slip phenomenon of the vehicle, the anti-lock brake system (ABS) to prevent the sliding of the wheel during braking, and Brake Traction Control System (BTCS) which prevents slippage of driving wheel during sudden start or acceleration, and anti-lock brake system and traction control are combined to control brake hydraulic pressure to keep the vehicle stable. Posture Control System (VDC) has been developed.

전자제어식 브레이크 시스템은 차량의 휠에 장착된 유압브레이크 측으로 전달되는 제동유압을 제어하기 위한 다수개의 솔레노이드밸브와, 각 유압브레이크에서 리턴되는 오일을 일시 저장하는 한 쌍의 저압어큐뮬레이터와, 각 유압브레이크로 공급되는 오일을 일시 저장하는 한 쌍의 고압어큐뮬레이터와, 저압어큐뮬레이터 에 일시 저장된 오일을 강제 펌핑하기 위한 모터 및 펌프와, 솔레노이드밸브 및 모터의 구동을 전기적으로 제어하기 위한 전자제어유닛(ECU)를 포함한다.The electronically controlled brake system includes a plurality of solenoid valves for controlling the braking hydraulic pressure delivered to the hydraulic brake side mounted on the wheel of the vehicle, a pair of low pressure accumulators for temporarily storing oil returned from each hydraulic brake, and each hydraulic brake. A pair of high pressure accumulators for temporarily storing the supplied oil, a motor and pump for forcibly pumping oil temporarily stored in the low pressure accumulator, and an electronic control unit (ECU) for electrically controlling the operation of the solenoid valve and the motor. do.

솔레노이드밸브와, 저압 및 고압어큐뮬레이터와, 펌프 등의 구성 부품들은 알루미늄재의 모듈레이터블럭에 콤팩트하게 설치되고, 솔레노이드밸브는 솔레노이드밸브롤 작동시키기 위해 자로를 형성하는 코일조립체와 결합된다. 전자제어유닛은 모듈레이터블럭과 결합되어 하이드롤릭 콘트롤유닛을 구성한다. Component parts such as solenoid valves, low and high pressure accumulators, and pumps are compactly installed in a modulator block made of aluminum, and the solenoid valve is combined with a coil assembly forming a magnetic path to operate the solenoid valve. The electronic control unit is combined with the modulator block to form the hydraulic control unit.

도 1은 종래 하이드롤릭 콘트롤유닛에 구비되는 코일조립체를 개략적으로 나타낸 사시도이다.1 is a perspective view schematically showing a coil assembly provided in a conventional hydraulic control unit.

도 1에 도시된 것과 같이 종래 코일조립체(10)는 속이 빈 원통형의 보빈(11)과, 보빈(11)의 외부에 권선되는 코일(12)과, 코일(12)의 외부를 감싸는 하우징(13)과, 하우징(13)의 하부를 덮는 하우징커버(14)를 포함한다. 하우징커버(14)는 자로 형성을 위해 금속 또는 자성체로 이루어진다.As shown in FIG. 1, the conventional coil assembly 10 includes a hollow cylindrical bobbin 11, a coil 12 wound on the outside of the bobbin 11, and a housing 13 surrounding the outside of the coil 12. ) And a housing cover 14 covering the lower portion of the housing 13. The housing cover 14 is made of metal or magnetic material to form a porcelain.

상기와 같은 종래 하이드롤릭 콘트롤유닛의 코일조립체는 코일이 권선된 보빈 및 하우징커버를 하우징에 차례로 압입한 후 코킹을 실시하여 하우징커버를 하우징에 결합하기 때문에, 조립시간 및 제조비용이 상승하는 문제점이 있다.Since the coil assembly of the conventional hydraulic control unit as described above, presses the bobbin and the housing cover wound around the coil in turn into the housing, and then couples the housing cover to the housing, thereby increasing assembly time and manufacturing cost. have.

본 발명은 상기와 같은 문제를 해결하기 위한 것으로, 코일조립체의 구성이 단순하여 조립시간 및 제조비용을 절감할 수 있는 하이드롤릭 콘트롤유닛을 제공하는데 그 목적이 있다.The present invention is to solve the above problems, it is an object of the present invention to provide a hydraulic control unit that can reduce the assembly time and manufacturing cost by the simple configuration of the coil assembly.

상기 목적을 달성하기 위한 본 발명에 의한 하이드롤릭 콘트롤유닛은 모듈레이터블록에 결합되는 솔레노이드밸브와, 상기 솔레노이드밸브에 결합되고 상기 코일과 상기 코일을 감싸는 하우징을 갖는 코일조립체를 포함하고, 상기 모듈레이터블록에는 상기 솔레노이드밸브가 결합되는 밸브시트가 상기 모듈레이터블록의 표면으로부터 돌출되도록 구비되고, 상기 코일조립체가 상기 솔레노이드밸브에 결합될 때 상기 밸브시트는 상기 코일조립체의 자로 형성을 돕기 위해 상기 하우징의 하부를 덮는 것을 특징으로 한다.The hydraulic control unit according to the present invention for achieving the above object includes a solenoid valve coupled to the modulator block, and a coil assembly having a housing coupled to the solenoid valve and surrounding the coil and the coil, the modulator block The valve seat to which the solenoid valve is coupled is provided to protrude from the surface of the modulator block, and when the coil assembly is coupled to the solenoid valve, the valve seat covers the lower portion of the housing to help form the coil assembly. It is characterized by.

여기에서, 상기 밸브시트는 자성체일 수 있다.Here, the valve seat may be a magnetic body.

그리고, 상기 코일조립체는 상기 코일이 권선되는 보빈을 더 포함하고, 상기 하우징의 길이는 상기 보빈의 길이보다 길어서 상기 밸브시트는 상기 하우징의 하부에 수용될수 있다.The coil assembly may further include a bobbin in which the coil is wound, and the length of the housing is longer than the length of the bobbin so that the valve seat may be accommodated in the lower portion of the housing.

본 발명에 의하면, 자로 형성을 위한 하우징커버를 솔레노이드밸브와 결합되는 밸브시트로 대체할 수 있기 때문에, 하우징커버를 생략할 수 있다. 따라서, 코일조립체의 구성이 단순해지고, 조립시간을 단축할 수 있다.According to the present invention, since the housing cover for forming a ruler can be replaced by a valve seat coupled with a solenoid valve, the housing cover can be omitted. Therefore, the configuration of the coil assembly can be simplified, and the assembly time can be shortened.

또한, 본 발명은 부품 삭제로 인해 제조비용 절감의 효과를 얻을 수 있다.In addition, the present invention can obtain the effect of reducing the manufacturing cost due to the removal of parts.

이하, 첨부된 도면을 참조하여 본 발명의 일실시예에 의한 하이드롤릭 콘트롤유닛에 대하여 설명한다.Hereinafter, a hydraulic control unit according to an embodiment of the present invention will be described with reference to the accompanying drawings.

도 2에 도시된 것과 같이, 본 발명의 일실시예에 의한 하이드롤릭 콘트롤유닛은 모듈레이터블록(20)과, 모듈레이터블록(20)의 일면에 돌출 되도록 구비되는 복수의 솔레노이드밸브(30)와, 솔레노이드밸브(30)에 결합되는 복수의 코일조립체(50)와, 코일조립체(50)와 전기적으로 연결되도록 모듈레이터블록(20)에 결합되는 전자제어유닛(60)을 포함한다.As shown in FIG. 2, the hydraulic control unit according to an embodiment of the present invention includes a modulator block 20, a plurality of solenoid valves 30 provided to protrude on one surface of the modulator block 20, and a solenoid. A plurality of coil assemblies 50 coupled to the valve 30 and an electronic control unit 60 coupled to the modulator block 20 to be electrically connected to the coil assembly 50.

모듈레이터블록(20)에는 오일 유동을 위한 유로(미도시)와, 유로를 통해 유동하는 오일을 가압하기 위한 오일펌프(미도시)와, 오일펌프를 작동시키기 위한 모터(41)가 설치된다.The modulator block 20 is provided with a flow path (not shown) for oil flow, an oil pump (not shown) for pressurizing oil flowing through the flow path, and a motor 41 for operating the oil pump.

복수의 솔레노이드밸브(30)는 유로를 따라 유동하는 오일의 유동을 제어하기 위해 유로와 연결되도록 모듈레이터블록(20)에 결합된다. 솔레노이드밸브(30)는 통상의 것과 같은 것으로, 코일조립체(50)에 의해 형성되는 자로에 의해 작동된다.The plurality of solenoid valves 30 are coupled to the modulator block 20 to be connected with the flow path to control the flow of oil flowing along the flow path. The solenoid valve 30 is the same as the conventional one, and is operated by a magnetic path formed by the coil assembly 50.

솔레노이드밸브(30)가 모듈레이터블록(20)에 고정될 수 있도록 모듈레이터블록(20)의 각 솔레노이드밸브(30) 설치 위치에는 밸브시트(40)가 구비된다. 밸브시트(40)는 솔레노이드밸브(30)에 결합된 상태로 모듈레이터블록(20)에 결합될 수도 있고, 솔레노이드밸브(30)와는 별도의 구성요소로 솔레노이드밸브(30)가 모듈레이터블록(20)에 결합된 후 모듈레이터블록(20)에 결합될 수 있다.A valve seat 40 is provided at each solenoid valve 30 installation position of the modulator block 20 so that the solenoid valve 30 may be fixed to the modulator block 20. The valve seat 40 may be coupled to the modulator block 20 while being coupled to the solenoid valve 30, and the solenoid valve 30 may be coupled to the modulator block 20 as a separate component from the solenoid valve 30. After being combined, it may be coupled to the modulator block 20.

밸브시트(40)는 모듈레이터블록(20)의 일면으로부터 다소 돌출되도록 모듈레이터블록(20)에 결합된다. 밸브시트(40)는 종래 코일조립체(50)의 하우징커버(14;도 1참조)를 대체할 수 있는 구성요소로 금속 또는 자성체로 이루어진다.The valve seat 40 is coupled to the modulator block 20 to protrude somewhat from one surface of the modulator block 20. Valve seat 40 is a component that can replace the housing cover 14 (see Fig. 1) of the conventional coil assembly 50 is made of a metal or magnetic material.

코일조립체(50)는 원통형의 보빈(51)과, 보빈(51) 둘레에 권선되는 코일(52)과, 코일(52)을 보호하기 위해 코일(52)을 덮는 하우징(54)을 포함한다. 코일(52)에는 전원 인가를 위한 단자부(53)가 구비된다. 이 단자부(53)는 하우징(54)의 외부로 돌출되고, 코일조립체(50)가 전자제어유닛(60)에 결합될 때 전자제어유닛(60)에 구비되는 회로기판(61;도 3참조)에 전기적으로 연결된다.The coil assembly 50 includes a cylindrical bobbin 51, a coil 52 wound around the bobbin 51, and a housing 54 covering the coil 52 to protect the coil 52. The coil 52 is provided with a terminal portion 53 for applying power. The terminal portion 53 protrudes out of the housing 54, and the circuit board 61 provided in the electronic control unit 60 when the coil assembly 50 is coupled to the electronic control unit 60 (see FIG. 3). Is electrically connected to the

여기에서, 하우징(54)의 길이는 보빈(51)의 길이보다 길게 이루어진다. 따라서, 보빈(51)이 하우징(54)에 결합될 때 보빈(51)은 하우징(54)에 의해 완전히 덮히고, 하우징(54)의 하부에는 밸브시트(40)를 수용할 수 있는 공간이 형성된다.Here, the length of the housing 54 is made longer than the length of the bobbin 51. Accordingly, when the bobbin 51 is coupled to the housing 54, the bobbin 51 is completely covered by the housing 54, and a space for accommodating the valve seat 40 is formed in the lower portion of the housing 54. do.

코일조립체(50)는 솔레노이드밸브(30)의 돌출된 일부 둘레를 감싸도록 솔레노이드밸브(30)에 결합된다. 코일조립체(50)가 솔레노이드밸브(30)에 결합될 때, 모듈레이터블록(20)의 일면에서 돌출되는 밸브시트(40)가 하우징(54)의 하부에 수용되면서 하우징(54)의 하부를 덮는다. 밸브시트(40)는 금속 또는 자성체로 이루어지며, 코일(52)에 전원이 인가될 때 자로 형성을 돕는다.The coil assembly 50 is coupled to the solenoid valve 30 to surround the protruding portion of the solenoid valve 30. When the coil assembly 50 is coupled to the solenoid valve 30, the valve seat 40 protruding from one surface of the modulator block 20 is accommodated in the lower portion of the housing 54 to cover the lower portion of the housing 54. The valve seat 40 is made of metal or magnetic material, and helps to form a magnetic shape when power is applied to the coil 52.

전자제어유닛(60)은 각 코일조립체(50)에 대한 전원 인가 동작을 제어하여 솔레노이드밸브(30)의 동작을 제어한다. 그리고, 전자제어유닛(60)은 모터(41)의 동작도 제어한다.The electronic control unit 60 controls the operation of the solenoid valve 30 by controlling the power supply operation to each coil assembly 50. The electronic control unit 60 also controls the operation of the motor 41.

도 2는 본 발명의 일실시예에 의한 하이드롤릭 콘트롤유닛이 조립 완성된 상태를 개략적으로 나타낸 단면도이다.Figure 2 is a schematic cross-sectional view showing a state in which the assembly of the hydraulic control unit according to an embodiment of the present invention.

도 2에 도시된 것과 같이, 코일조립체(50)가 솔레노이드밸브(30) 둘레를 감싸도록 솔레노이드밸브(30)에 결합될 때, 하우징(54)이 밸브시트(40)를 덮는다. 따라서, 밸브시트(40)는 하우징(54)의 하부에 수용되어 자로 형성을 위한 하우징커 버(14)의 기능을 수행한다. As shown in FIG. 2, when the coil assembly 50 is coupled to the solenoid valve 30 to surround the solenoid valve 30, the housing 54 covers the valve seat 40. Thus, the valve seat 40 is accommodated in the lower portion of the housing 54 to perform the function of the housing cover 14 for forming the magnetic path.

이러한 본 발명에 의하면, 코일조립체(50)가 솔레노이드밸브(30)에 결합될 때, 솔레노이드밸브(30)가 결합되는 밸브시트(40)가 코일조립체(50)의 하우징(54) 내부에 위치하여 하우징(54)의 하부를 덮는다. 이렇게 하우징(54) 내부에 위치하는 밸브시트(40)는 코일조립체(50)에 전원이 인가될 때 코일조립체(50)의 구성요소로 기능하여 코일조립체(50)의 자로 형성을 돕는다.According to the present invention, when the coil assembly 50 is coupled to the solenoid valve 30, the valve seat 40 to which the solenoid valve 30 is coupled is located in the housing 54 of the coil assembly 50 The lower part of the housing 54 is covered. As such, the valve seat 40 positioned inside the housing 54 functions as a component of the coil assembly 50 when power is applied to the coil assembly 50 to assist in the formation of the coil assembly 50.

따라서, 본 발명에 의한 하이드롤릭 콘트롤유닛의 코일조립체(50)는 자로 형성을 위한 하우징커버(14)를 생략할 수 있어서, 종래 코일조립체(10)에 비해 구성부품의 수가 적고 구조가 단순하다.Therefore, the coil assembly 50 of the hydraulic control unit according to the present invention can omit the housing cover 14 for forming the magnetic path, so that the number of components and the structure is simple compared to the conventional coil assembly 10.

또한, 본 발명에 의한 하이드롤릭 콘트롤유닛은 종래와 같이 하우징커버(14)를 하우징(54)에 결합하기 위한 공정을 생략할 수 있어서, 조립시간이 단축된다.In addition, the hydraulic control unit according to the present invention can omit the process for coupling the housing cover 14 to the housing 54 as in the prior art, thereby reducing the assembly time.

도 1은 종래 하이드롤릭 콘트롤유닛의 코일조립체를 개략적으로 나타낸 분해사시도이다.1 is an exploded perspective view schematically showing a coil assembly of a conventional hydraulic control unit.

도 2는 본 발명의 일실시예에 의한 하이드롤릭 콘트롤유닛을 개략적으로 나타낸 분해사시도이다.Figure 2 is an exploded perspective view schematically showing a hydraulic control unit according to an embodiment of the present invention.

도 3은 본 발명의 일실시예에 의한 하이드롤릭 콘트롤유닛을 개략적으로 나타낸 단면도이다.3 is a schematic cross-sectional view of a hydraulic control unit according to an embodiment of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>

20...모듈레이터블록 30...솔레노이드밸브20 Modulator block 30 Solenoid valve

40...밸브시트 50...코일조립체40 ... valve seat 50 ... coil assembly

51...보빈 52...코일51 Bobbin 52 Coil

54...하우징 60...전자제어유닛54. housing 60 ... electronic control unit

Claims (3)

삭제delete 모듈레이터블록에 결합되는 솔레노이드밸브와, 상기 솔레노이드밸브에 결합되고 코일과 상기 코일을 감싸는 하우징을 갖는 코일조립체를 포함하는 하이드롤릭 콘트롤유닛에 있어서,In a hydraulic control unit comprising a solenoid valve coupled to a modulator block, and a coil assembly coupled to the solenoid valve and having a coil and a housing surrounding the coil, 상기 모듈레이터블록에는 상기 솔레노이드밸브가 결합되는 밸브시트가 상기 모듈레이터블록의 표면으로부터 돌출되도록 구비되고, 상기 코일조립체가 상기 솔레노이드밸브에 결합될 때 상기 밸브시트는 상기 코일조립체의 자로 형성을 돕기 위해 상기 하우징의 하부를 덮고, 상기 밸브시트는 자성체인 것을 특징으로 하는 하이드롤릭 콘트롤유닛.The modulator block is provided with a valve seat to which the solenoid valve is coupled to protrude from the surface of the modulator block, and when the coil assembly is coupled to the solenoid valve, the valve seat is formed to help the coil assembly form the housing of the coil assembly. Covering the lower portion of the, the valve seat is a hydraulic control unit, characterized in that the magnetic material. 제 2 항에 있어서,The method of claim 2, 상기 코일조립체는 상기 코일이 권선되는 보빈을 더 포함하고, 상기 하우징의 길이는 상기 보빈의 길이보다 길어서 상기 밸브시트는 상기 하우징의 하부에 수용되는 것을 특징으로 하는 하이드롤릭 콘트롤유닛.The coil assembly further includes a bobbin in which the coil is wound, and the length of the housing is longer than the length of the bobbin, so that the valve seat is accommodated in the lower portion of the housing.
KR1020070072535A 2007-07-20 2007-07-20 Hydraulic control unit KR100863546B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010105007A (en) * 2000-05-18 2001-11-28 밍 루 Solenoid valve for brake system
KR20020007613A (en) * 2000-07-18 2002-01-29 밍 루 Normal open type solenoid valve for ABS
KR20020007611A (en) * 2000-07-18 2002-01-29 밍 루 Solenoid valve for brake system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010105007A (en) * 2000-05-18 2001-11-28 밍 루 Solenoid valve for brake system
KR20020007613A (en) * 2000-07-18 2002-01-29 밍 루 Normal open type solenoid valve for ABS
KR20020007611A (en) * 2000-07-18 2002-01-29 밍 루 Solenoid valve for brake system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
공개특허공보 공개번호10-2001-0105007호 A
공개특허공보 공개번호10-2002-0007611호 A
공개특허공보 공개번호10-2002-0007613호A

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