KR900700325A - Automotive Anti-lock Braking System - Google Patents

Automotive Anti-lock Braking System

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Publication number
KR900700325A
KR900700325A KR1019890701936A KR890701936A KR900700325A KR 900700325 A KR900700325 A KR 900700325A KR 1019890701936 A KR1019890701936 A KR 1019890701936A KR 890701936 A KR890701936 A KR 890701936A KR 900700325 A KR900700325 A KR 900700325A
Authority
KR
South Korea
Prior art keywords
piston
actuator
valve
wheel
pressure
Prior art date
Application number
KR1019890701936A
Other languages
Korean (ko)
Inventor
파슨스 데이빗드
Original Assignee
로버트 마이클 패로우
오토모티브 프로덕츠 퍼블릭 리미티드 캄파니
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 로버트 마이클 패로우, 오토모티브 프로덕츠 퍼블릭 리미티드 캄파니 filed Critical 로버트 마이클 패로우
Publication of KR900700325A publication Critical patent/KR900700325A/en

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Classifications

    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/26—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/343—Systems characterised by their lay-out
    • B60T8/344—Hydraulic systems
    • B60T8/346—2 Channel systems
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/26—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels
    • B60T8/266—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels using valves or actuators with external control means
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/42—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition having expanding chambers for controlling pressure, i.e. closed systems
    • B60T8/4208—Debooster systems
    • B60T8/4225—Debooster systems having a fluid actuated expansion unit
    • B60T8/4241—Debooster systems having a fluid actuated expansion unit pneumatically
    • B60T8/425—Debooster systems having a fluid actuated expansion unit pneumatically using a vacuum

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Regulating Braking Force (AREA)

Abstract

내용 없음No content

Description

차량용 앤티록 제동장치Automotive Anti-lock Braking System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본발명에 따라 구성된 앤티록 제동장치의 개략도,1 is a schematic diagram of an anti-lock braking device constructed in accordance with the present invention;

제2도는 제1도의 장치에 사용되는 비례밸브의 개략구성도,2 is a schematic configuration diagram of a proportional valve used in the apparatus of FIG.

제3도는 제1도에서 보인 장치의 수정형태를 보인 개략도.3 is a schematic view showing a modification of the device shown in FIG.

Claims (14)

브레이크 작동시에 고압유체원이 될 수 있는 마스타 실린더(20)로 구성되고, 상기 마스타 실린더(20)는 두개의 브레이크 작동기(11,17:12,15)를 포함하는 브레이크 회로에 연결되며, 각 작동기(11,17:12,15)는 차량의 각 바퀴에 결합되고, 제어수단(23,31:23',31')이 바퀴감속이 제1예정치 이상으로 증가할 때에 바퀴의 속도변화를 감지하고 브레이크 회로내의 유체압력을 줄이기 위하여 일측 바퀴에 결합되며, 브레이크 회로의 예정압력에서 압력이 상기 각 바퀴에 결합된 작동기(11,17:12,15)에 대하여 증가되는 비율로 비율을 증가시키는 비례밸브(34:34')가 구성되어 있는 차량용 앤트록 제동장치에 있어서, 상기 타측바퀴가 고정되거나 고정되기 쉬운 상태일때에 상기 타측바퀴에 결합된 작동기(17:15)에가하여지는 압력을 줄이도록 비례밸브(34:34')를 제어하기 위한 작동기 수단(60)이 구성되어 있음을 특징으로 하는 차량용 앤티록 제동장치.It is composed of a master cylinder 20 that can be a high-pressure fluid source during brake operation, the master cylinder 20 is connected to a brake circuit comprising two brake actuators (11, 17: 12, 15), each The actuators 11, 17: 12, 15 are coupled to each wheel of the vehicle, and the control means 23, 31: 23 ', 31' are adapted to change the speed of the wheels when the wheel deceleration increases above the first predetermined value. Coupled to one wheel to sense and reduce the fluid pressure in the brake circuit, increasing the ratio at a rate at which the pressure at the predetermined pressure of the brake circuit increases with respect to the actuators 11, 17: 12, 15 coupled to each wheel. In a vehicle anti-lock braking system comprising a proportional valve (34: 34 '), the pressure applied to the actuator (17:15) coupled to the other wheel when the other wheel is fixed or easy to be fixed. Operation to control proportional valve (34:34 ') to reduce Anti-lock braking device for a vehicle, characterized in that the means 60 is configured. 청구범위1항에 있어서, 상기 비례밸브(34:34')가 마스타 실린더(20)로부터 상기 타측 바퀴에 결합된 브레이크 작동기(17:15)축으로의 유체흐름을 제어하기 위한 밸브수단(50)를 가지고, 상기 밸브수단(50)을 가지고, 상기 밸브수단(50)을 제어하기 위한 피스턴(43)이 구성되어 있으며, 상기 피스턴(43)은 브레이크 작동기(17:15)내의 유체압력을 받는 제1면(85), 브레이크 회로내의 유체압력을 받는 제2면(86)과, 제1면(85)에 가하여지는 유체압력으로 가하여지는 힘에 반대가 되는 부하를 피스턴(43)에 가하기 위한 수단(60)을 가지고, 상기상기 제1면(85)는 제2면 제2면(86)보다 면적이 커서 상기 밸브수단(50)이 개방되었을 대에 제1면(85)에 작용하는 큰 힘이 압력이 예정치에 이르렀을 때에 피스턴(43)이 밸브수단(50)을 폐쇄할 때까지 피스턴(43)이 이에 가하여지는 부하에 대항하여 이동되게하므로서 마스터 실린더(20)와 상기 타측바퀴에 결합된 브레이크 작동기(17:15)사이의 연통된 상태를 차단함을 특징으로 하는 장치.Valve means (50) for controlling the flow of fluid from the master cylinder (20) to the brake actuator (17:15) shaft coupled to the other wheel. And a piston 43 for controlling the valve means 50 having the valve means 50, the piston 43 being configured to receive fluid pressure in the brake actuator 17: 15. Means for applying to the piston 43 a load that is opposite to the force exerted by the first surface 85, the second surface 86 subjected to the fluid pressure in the brake circuit, and the fluid pressure applied to the first surface 85. (60), the first surface (85) is larger in area than the second surface (2nd surface 86) and a large force acting on the first surface (85) when the valve means (50) is opened. When the pressure reaches a predetermined value, the piston 43 is against the load applied thereto until the piston 43 closes the valve means 50. The device characterized in that the communication between the master cylinder (20) and the brake actuator (17:15) coupled to the other wheel to block the communication. 청구범위 2항에 있어서, 밸브수단(50)이 폐쇄된 후에 브레이크 회로내 유체압력의 계속 증가로 비례밸브(34:34')의 피스턴(43)이 브레이크 작동기(17:15)에 대한 유체압력을 감소된 비율로 증가시키도록 이동됨을 특징으로 하는 장치.4. The piston pressure of the proportional valve 34:34 'causes the fluid pressure to the brake actuator 17:15 to increase after the valve means 50 is closed. Wherein the device is moved to increase the rate at a reduced rate. 청구범위 2 또는 3항에 있어서, 비례밸브(34:34')의 피스턴(43)에 가하여 지는 부하와, 밸브수단(50)이 폐쇄되는 예정압력이 차량에 가하여지는 부하로 조절가능함을 특징으로 하는장치.The method according to claim 2 or 3, characterized in that the load applied to the piston 43 of the proportional valve 34:34 'and the predetermined pressure to close the valve means 50 are adjustable to the vehicle. Device. 청구범위 2-4항의 어느 한 항에 있어서, 비례밸브(34;34')의 피스턴(43)에 부하를 가하기 위하여 스프링 수단(68)이 제공됨을 특징으로 하는 장치.Apparatus according to any one of claims 2-4, characterized in that a spring means (68) is provided for applying a load to the piston (43) of the proportional valve (34; 34 '). 청구범위 5항에 있어서, 상기 작동기수단(60)이 상기 타측 바퀴가 고정되거나 고정되기 쉬운 상태에 있을 때에 비례밸브(34;34')의 피스턴(43)에 스프링수단(68)으로 가하여지는 부하를 줄이도록 작용함을 특징으로 하는 장치.Load according to claim 5, wherein the actuator means (60) is applied to the piston (43) of the proportional valve (34; 34 ') by the spring means (68) when the other wheel is in a fixed or prone condition Apparatus characterized in that to act to reduce the. 청구범위 6항에 있어서, 상기 작동기수단(60)이 원통형 케이싱(61)내에 밀폐되게 착설되어 이 케이싱을 두 밀폐형 챔버(64,65)로 나누는 피스턴(62)으로 구성된 진공작동기이고, 진공작동기(60)의 피스턴(62)은 비례밸브(34;34')의 피스턴(43)에 접하는 플린저(66)를 가지며, 상기 플런저(66)는 단부에 비례밸브(34;34')의 피스턴(43)에 접하는 플랜지(67)를 가지고 상기 스프링수단(68)은 비례밸브(34;34')의 피스턴(43)에 플랜지(67)가 강제 결합토록 플랜지에 작용하고, 진공작동기(60)의 챔버(64)는 진공에 연결된 비레밸브(34;34')의 피스턴(43)으로부터 원격하고 타측 챔버(65)는 솔레노이드 제어밸브(75)를 통하여 진공 또는 대기에 선택적으로 연결되므로 상기 타측 바퀴가 고정 또는 고정되기 쉬운상태에 있을 때에 솔레노이드 밸브(75)가 상기 타측챔버(65)를 대기측에 연결토록 제어되어 진공작동기(60)의 피스턴(62) 양단에 압력차이가 있도록하며, 이러한 압력차이로 스프링수단(68)에 의하여 비레밸브(34;34')의 피스턴(43)에 가하여지는 부하에 반대가 되는 힘이 발생됨을 특징으로 하는 장치.7. The actuator according to claim 6, wherein the actuator means 60 is a vacuum actuator comprising a piston 62 which is enclosed in a cylindrical casing 61 and divides the casing into two hermetic chambers 64 and 65. The piston 62 of 60 has a plunger 66 in contact with the piston 43 of the proportional valves 34; 34 ′, and the plunger 66 has an end portion of the piston of the proportional valves 34; 34 ′. 43 has a flange 67 in contact with the spring means 68 acts on the flange to force the flange 67 to the piston 43 of the proportional valve (34; 34 '), and the vacuum actuator (60) The chamber 64 is remote from the piston 43 of the vire valves 34 and 34 'connected to the vacuum and the other chamber 65 is selectively connected to vacuum or atmosphere via the solenoid control valve 75 so that the other wheel is The solenoid valve 75 connects the other chamber 65 to the atmosphere when it is in a fixed or easily fixed state. It is controlled so that there is a pressure difference across the piston 62 of the vacuum actuator 60, and this pressure difference is opposed to the load applied to the piston 43 of the valve valves 34 and 34 'by the spring means 68. Device characterized in that the force is generated. 청구범위 7항에 있어서, 진공작동기(60)의 상기 타측 챔버(65)에 대한 공기의 유량을 제어하기 위한 수단(76,77)이 제공됨을 특징으로 하는 장치.Apparatus according to claim 7, characterized in that means (76,77) are provided for controlling the flow rate of air to the other chamber (65) of the vacuum actuator (60). 청구범위 5항에 있어서, 작동기수단(60)이 비례밸브(34;34')의 피스턴(43)에 부하를 가하기 위하여 배설되고, 타측바퀴가 고정되거나 고정되기 쉬운 상태에 있을 때에 이러한 부하를 줄이기 위한 수단(90,91)이 제공됨을 특징으로 하는 장치.5. The actuator according to claim 5, wherein the actuator means 60 is arranged to apply a load to the piston 43 of the proportional valves 34 and 34 'and to reduce this load when the other wheel is in a fixed or prone position. Means (90,91) for providing the device. 청구범위 9항에 있어서, 작동기수단(60)에 의하여 가하여지는 부하가 차량에 가하여지는 부하에 따라서 변하함을 특징으로 하는 장치.Apparatus according to claim 9, characterized in that the load applied by the actuator means (60) varies with the load applied to the vehicle. 청구범위 9 또는 10항에 있어서, 작동기수단(60)이 원통형 케이싱(61)내에 밀페되게 착설되어 이 케이싱을 두 밀폐형 챔버(64,65)로 나누는 피스턴(62)으로 구성된 진공작동기(60)이고, 진공작동기(60)의 피스턴(62)이 비례밸브(34;34')의 피스턴(43)에 접하는 플런저(66)를 가지며, 진공작동기(60)의 챔버(64)는 대기에 개방된 비례밸브(34;34')의 피스턴(43)으로부터의 원격하고 타측 챔버(65)는 제1솔레노이드 밸브(90)를 통하여 진공에 또는 제2솔레노이드 밸브(91)를 통하여 대기에 연결되고, 진공작동기(60)의 피스턴(62)양단에 적당한 압력차이가 이루어지도록하고 상기 타측 바퀴가 고정되거나 고정되기 쉬운 상태에 있을 때에 압력차이를 줄이도록 상기 제1 및 제2솔레노이드 밸브를 작동시키는 제어 수단(80,93,94)이 제공됨을 특징으로 하는 장치.Claim 9 or 10, wherein the actuator means 60 is a vacuum actuator 60 consisting of a piston 62 which is mounted in a hermetic casing 61 and divides the casing into two hermetically sealed chambers 64 and 65. , The piston 62 of the vacuum actuator 60 has a plunger 66 in contact with the piston 43 of the proportional valves 34 and 34 ', and the chamber 64 of the vacuum actuator 60 is open to the atmosphere. The remote and other chamber 65 from the piston 43 of the valves 34; 34 ′ is connected to vacuum through the first solenoid valve 90 or to the atmosphere via the second solenoid valve 91, and the vacuum actuator. Control means for actuating the first and second solenoid valves so as to make a proper pressure difference across the piston 62 of 60 and to reduce the pressure difference when the other wheel is in a fixed or easy-to-fix state. , 93,94). 청구범위 11항에 있어서, 상기제어수단(80,93,94)이 차량에 가하여지는 부하에 비례하여 진공작동기(60)의 피스턴(62) 양단의 압력차이를 변화시키도록 작용함을 특징으로 하는 장치.The method according to claim 11, characterized in that the control means (80, 93, 94) acts to change the pressure difference across the piston (62) of the vacuum actuator (60) in proportion to the load applied to the vehicle. Device. 전기 청구범위의 어느 한 항에 있어서, 장치가 다수의 회로를 가지고, 각 회로는 두개의 브레이크 작동기(11,17;12,15)와 비례밸브(34;34')를 포함함을 특징으로 하는 장치.A device according to any one of the preceding claims, characterized in that the device has a plurality of circuits, each circuit comprising two brake actuators (11, 17; 12, 15) and a proportional valve (34; 34 '). Device. 청구범위 13항에 있어서, 각 비례밸브(34:34')가 결합된 작동기 수단이(60)이 함께 제어되어 어느 브레이크 회로에 의하여 제어되는 타측 바퀴가 고정되거나 고정되기 쉬운 상태인 경우에 모든 비례밸브(34;34')가 모든 타측바퀴에 가하여진 제동력을 줄이도록 작동됨을 특징으로 하는 장치.The proportionality control according to claim 13, in which the actuator means with which each proportional valve 34:34 'is coupled is controlled in such a way that the other wheels controlled by any brake circuit are fixed or liable to be fixed. Apparatus characterized in that the valve (34; 34 ') is operated to reduce the braking force applied to all other wheels. ※참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: This is to be disclosed based on the initial application.
KR1019890701936A 1988-03-19 1989-02-23 Automotive Anti-lock Braking System KR900700325A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB888806589A GB8806589D0 (en) 1988-03-19 1988-03-19 Vehicle antilock braking systems
GB8806589 1988-03-19
PCT/GB1989/000168 WO1989008572A1 (en) 1988-03-19 1989-02-23 Vehicle antilock braking systems

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KR900700325A true KR900700325A (en) 1990-08-13

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Publication number Priority date Publication date Assignee Title
DE4213198A1 (en) * 1992-04-22 1993-10-28 Teves Gmbh Alfred Anti-lock hydraulic brake system with brake force regulator and suitable brake force regulator
SE511441C3 (en) * 1997-11-07 1999-11-22 Volvo Lastvagnar Ab Brake torque control for vehicles

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Publication number Priority date Publication date Assignee Title
GB8517712D0 (en) * 1985-07-13 1985-08-21 Lucas Ind Plc Anti-skid hydraulic braking systems
DE3545236A1 (en) * 1985-12-20 1987-06-25 Teves Gmbh Alfred BLOCK-PROOF, HYDRAULIC VEHICLE BRAKE SYSTEM
DE3608573A1 (en) * 1986-03-14 1987-09-17 Kugelfischer G Schaefer & Co PRESSURE MODULATOR DEVICE
GB8618937D0 (en) * 1986-08-02 1986-09-10 Automotive Prod Plc Vehicle antilock braking system
DE3636411A1 (en) * 1986-10-25 1988-04-28 Teves Gmbh Alfred Load-sensitive control for pressure medium-operated brake systems

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GB8806589D0 (en) 1988-04-20

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