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DE3001506A1 - Anti brake lock hydraulic valve - has piston moved by brake pressure against dished spring and electronic sensor-operated positioner cam - Google Patents

Anti brake lock hydraulic valve - has piston moved by brake pressure against dished spring and electronic sensor-operated positioner cam

Info

Publication number
DE3001506A1
DE3001506A1 DE19803001506 DE3001506A DE3001506A1 DE 3001506 A1 DE3001506 A1 DE 3001506A1 DE 19803001506 DE19803001506 DE 19803001506 DE 3001506 A DE3001506 A DE 3001506A DE 3001506 A1 DE3001506 A1 DE 3001506A1
Authority
DE
Germany
Prior art keywords
brake
piston
cam
spring
hydraulic valve
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
DE19803001506
Other languages
German (de)
Inventor
Oswald Josef 8990 Lindau Rosanowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19803001506 priority Critical patent/DE3001506A1/en
Publication of DE3001506A1 publication Critical patent/DE3001506A1/en
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements 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
    • B60T8/34Arrangements 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
    • B60T8/42Arrangements 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
    • B60T8/4208Debooster systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)

Abstract

The anti-brake lock system is intended for a hydraulic brake circuit and comprises a dished spring-loaded (13) valve piston (9) with annular groove (10) controlling the connection (at 7) from the master cylinder to (at 8) a brake cylinder. The brake cylinder pressure also connects (via 2) to the top of the piston and acts against the spring to interrupt the brake pressure. A sensor responds to wheel speed, acceleration and deceleration and activates an electronic circuit controlling a positioner provided with a cam (16) rotatable by the positioner to lift the piston. The arrangement is such that, when the wheel blocks, the brake pressure is first interrupted, then released (via 8,2) and re-applied.

Description

Anti-Blockiereinrichtung als Zusatzpatent zu der Anti-lock device as an additional patent to the

Patentanmeldung P 28 33 513.9 Die Erfindung betrifft eine Anti-Blockiereinrichtung die mechanisch, pneumatisch, hydraulisch oder elektroelektronisch angetrieben und gesteuert werden kann.Patent application P 28 33 513.9 The invention relates to an anti-blocking device which are mechanically, pneumatically, hydraulically or electro-electronically driven and can be controlled.

In dieser vorliegenden Fall, wird die Anti-Blockiereinrichtung von einem Stellmotor der mit einem Nocken verbunden ist angetrieben.In this case, the anti-lock device of driven by a servomotor which is connected to a cam.

Als Steuerung werden Sensoren verwendet, wobei als Meßgröße die Raddrehzahl, die Radverzögerung und Beschleunigung heran gezogen werden.Sensors are used as a control, whereby the wheel speed, the wheel deceleration and acceleration are used.

Ein Elektronikteil verarbeitet die Signale der Sensoren.An electronic part processes the signals from the sensors.

Die in den Zeichnungen dargestellte Ausführung besteht, aus dem Zylinder 1, den Bohrungen 2, Dichtung 3, Kugel 4, Feder 5, Dichtstopfen 6, Öleintritt 7, Olaustritt 8, Kolben 9, Nut 10, 0-Ring 11, 0-Ring 12, Tellerfeder 13, Scheibe 14, Deckel 15, Nocken 16, Stellmotor 17, Die Anti-Blockiereinrichtung wird von einer Stellmotor 17, mit Nocken 16, angetrieben. Die Steuerung des Stellmotores erfolgt tiber Sensoren mit einer Elektronikeinheit.The embodiment shown in the drawings consists of the cylinder 1, the bores 2, seal 3, ball 4, spring 5, sealing plug 6, oil inlet 7, Oil outlet 8, piston 9, groove 10, 0-ring 11, 0-ring 12, disc spring 13, disc 14, Cover 15, cam 16, servomotor 17, the anti-lock device is from a Servomotor 17, with cam 16, driven. The servomotor is controlled via sensors with an electronic unit.

In den Zylinder 1, sind der Öleintritt 7, und Olaustritt 8, eingelassen, Ferner die Bohrungen 2, mit Dichtung 3, Kugel 4, Feder 5, Dichtstopfen 6.In the cylinder 1, the oil inlet 7 and oil outlet 8 are embedded, Furthermore, the bores 2, with seal 3, ball 4, spring 5, sealing plug 6.

Der Kolben 9, mit Nut 10, den O-Ringen 11, und 12,* Deckel 15, bildet den Abschluß zu Zylinder 1,.The piston 9, with groove 10, the O-rings 11, and 12, * cover 15, forms the conclusion to cylinder 1 ,.

Er dient gleichzeitig als Aufnahme der Tellerfeder 13, und Scheibe 14. Der Stellmotor 17, mit Nocken 16, wird an den Deckel 15, angeschraubt.It also serves as a receptacle for the plate spring 13 and washer 14. The servomotor 17, with cams 16, is screwed onto the cover 15.

Soll die Radbremse bei 0 Drehzahl der Räder nur zum Festhalten des Fahrzeuges dienen, so tritt die Bremsflüßigkeit vom Hauptbremszylinder kommend in den Öleintritt 7, des Zylinder 1, ein. Sie fließt über die Nut 10, die in den Kolben 9, eingelassen ist ungehindert aus dem Ölaustritt 8, zu dem Radzylinder. Somit kommt der volle Bremsdruck auf den Radzylinder.Should the wheel brake at 0 speed of the wheels only to hold the Serve the vehicle, the brake fluid comes in from the master cylinder the oil inlet 7, the cylinder 1, a. It flows through the groove 10 in the piston 9, is let in unhindered from the oil outlet 8, to the wheel cylinder. So comes the full brake pressure on the wheel cylinder.

Wird nun das Fahrzeug ganz gleich aus welcher Geschwindigkeit abgebremst, so tritt das Bremsöl vom Hauptzylinder kommend in den Oleintritt 7, ein und fließt über die Nut 10, aus dem Ölaustritt 8, zu dem Radzylinder.If the vehicle is now braked regardless of the speed, the brake oil, coming from the master cylinder, enters the oil inlet 7 and flows via the groove 10, from the oil outlet 8, to the wheel cylinder.

Dabei wird ein Bremsvorgang eingeleitet.A braking process is initiated.

Gleichzeitig fließt bei diesem Vorgang die Bremsflüßigkeit durch die Bohrung 2, zu dem Kolbenboden des Kolben 9, und beaufschlagt diesen. Dadurch wird bewirkt, daß die Kolbenkraft des Kolben 9, gegen die Federkraft der Tellerfeder 13, wirkt.At the same time, the brake fluid flows through the during this process Bore 2, to the piston head of the piston 9, and acts on this. This will causes the piston force of the piston 9, against the spring force of the plate spring 13, works.

Da bei diesem Bremsvorgang das Rad das Bestreben hat stehen zu bleiben, tritt somit die Steuerung der Sensoren mit der Elektronikeinheit in Tätigkeit. Dies bewirkt nun, daß der Stellmotor 17, mit seinem Nocken 16, verdreht wird.Since the wheel tries to stop during this braking process, the control of the sensors with the electronic unit thus comes into operation. this now causes the servomotor 17, with its cam 16, is rotated.

Da nun dte Kolbenkraft des Kolben 9, größer als die Federkraft der Tellerfeder 13, ist, wird nun der Kolben 9, mit seiner Nut 10, über den Öleintritt 7, und Ölaustritt 8, verschoben, somit kann kein Bremsöl mehr zu dem Radzylinder gelangen.Since now the piston force of the piston 9 is greater than the spring force of the Disk spring 13 is, the piston 9, with its groove 10, is now via the oil inlet 7, and oil outlet 8, displaced so that brake oil can no longer reach the wheel cylinder reach.

Durch die besondere Charakteristik der Tellerfeder 13, die bei einem bestimmtem Hub in der Federkraft absinkt, findet somit, da der Bremsöldruck in dem Radzylinder größer als die Tellerfederkraft der Tellerfeder 13, ist, ein Absaugen der Bremsflüßigkeit aus dem Radzylinder statt.Due to the special characteristics of the disc spring 13, which in a A certain stroke in the spring force drops, thus finds that the brake oil pressure in the The wheel cylinder is greater than the diaphragm spring force of the diaphragm spring 13, a suction the brake fluid from the wheel cylinder instead.

Dies bewirkt nun, daß das Fahrzeugrad sich ungehindert wieder drehen kann.This now causes the vehicle wheel to turn again unhindered can.

Die Sensoren mit der Elektronikeinheit zeigen dies dem Stellmotor 17, an. Dieser verdreht nun wieder den Nocken 16, in Richtung seiner Ausgangsstellung.Da nun die Tellerfeder 13, bei einem bestimmten Hub im umgekehrtem Sinn als Kraftzunahme wirkt, und diese Kraft mit der Kraft des Stellmotores 17, größer als die der Kolbenkraft ist, wird somit der Kolben 9, wieder nach oben gedrückt und die unter erneuten Druck stehende Bremsflüßigkeit über die Bohrung 2, und dem Olaustritt 8, zu dem Radbremszylinder gedrückt, ohne daß dabei die Nut 10, des Kolben 9, mit Öleintritt 7, und den Ölaustritt 8, in Berührung kommt, somit tritt ein erneuter Bremsvorgang ein. ( Intervall- Vorgang ).The sensors with the electronic unit show this to the servomotor 17, at. This now rotates the cam 16 again in the direction of its starting position now the plate spring 13, at a certain stroke in the opposite sense as an increase in force acts, and this force with the force of the servomotor 17, greater than that of the piston force is, thus the piston 9 is pushed back up and under renewed pressure standing brake fluid via the bore 2, and the oil outlet 8, to the wheel brake cylinder pressed without the groove 10, the piston 9, with oil inlet 7, and the oil outlet 8, comes into contact, thus a renewed braking process occurs. (Interval process ).

Diesr Intervall wirkt solange auf die Radbremse bis der Fahrer eines Fahrzeuges den Bremsvorgang beendet oder das Fahrzeug steht.This interval acts on the wheel brake until the driver does one Vehicle ends the braking process or the vehicle is stationary.

Beim Beenden des Bremsvorganges wird der Bremsflüßigkeitsdruck der auf dem Ventil 3, 4, 5, 6, gelastet hat fort genommen, somit kann die Bremsflüßigkeit schnellstens wieder über die Bohrung 2, und dem Ventil 3, 4, 5, 6, und dem Öleintritt 7, zu dem Hauptbremszylinder gelangen.When the braking process is ended, the brake fluid pressure becomes the on the valve 3, 4, 5, 6, the load has taken away, so the brake fluid can as soon as possible again via the bore 2, and the valve 3, 4, 5, 6, and the oil inlet 7, get to the master cylinder.

Bei dieser hier beschriebenen Konstruktion ist gegenüber den bisherigen bekannten Konstruktionen, weder eine besondere Bremsölpumpe noch Magnetventile nötig.In this construction described here is compared to the previous known constructions, neither a special brake oil pump nor solenoid valves required.

Auch ist bei dieser hier beschriebenen Bauart, wenn bei einem mehrräderigem Fahrzeug, angenommen 4 Räder eine Anti-Blockiereinheit oder zwei oder drei ausfallen immer gewährleistet, daß wenn nur diese Enheiten ausfallen die noch vorhandenen Anti-Blockiereinheiten noch voll in Tätigkeit sind und somit keinerlei Schleuderwirkung des Fahrzeuges auftreten kann. Und nicht wie bei einer separaten Pumpeieinheit mit Ventilen die gesammte Anti-Blockierwirkung ausfällt.Also with this type of construction described here, if with a multi-wheeled Vehicle, suppose 4 wheels, one anti-lock unit or two or three fail always guaranteed that if only these units fail, those that are still present The anti-lock units are still in full operation and therefore no centrifugal effect whatsoever of the vehicle can occur. And not as with a separate pump unit Valves the entire anti-blocking effect fails.

Durch die hier beschriebene Konstruktion fällt auch das wie bei anderen Anlagen störende Zittern des Bremspedales oder des Bremshebels in Fortfall.Due to the construction described here, this is also the case with others Disruptive tremors of the brake pedal or the brake lever no longer apply.

Claims (2)

Patentanspriiche: ½ Anti-Blockiereinrichtung dadurch gekennzeichnet,daß ein Stellmotor 17, mit Nocken 16, an die Anti-Blockiereinrichtung angebaut ist und der Nocken 16, den Kolben 9, betätigt.Patent claims: ½ anti-blocking device characterized in that a servomotor 17, with cam 16, is attached to the anti-lock device and the cam 16, the piston 9, is actuated. 2. 2. Anti-Blockiereinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß Sensoren mit einer Elektronikeinheit, den Stellmotor 17, mit Nocken 16, steuern. Anti-blocking device according to claim 1, characterized in that that sensors with an electronic unit, the servomotor 17, with cams 16, control.
DE19803001506 1980-01-17 1980-01-17 Anti brake lock hydraulic valve - has piston moved by brake pressure against dished spring and electronic sensor-operated positioner cam Ceased DE3001506A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803001506 DE3001506A1 (en) 1980-01-17 1980-01-17 Anti brake lock hydraulic valve - has piston moved by brake pressure against dished spring and electronic sensor-operated positioner cam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803001506 DE3001506A1 (en) 1980-01-17 1980-01-17 Anti brake lock hydraulic valve - has piston moved by brake pressure against dished spring and electronic sensor-operated positioner cam

Publications (1)

Publication Number Publication Date
DE3001506A1 true DE3001506A1 (en) 1981-07-23

Family

ID=6092244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803001506 Ceased DE3001506A1 (en) 1980-01-17 1980-01-17 Anti brake lock hydraulic valve - has piston moved by brake pressure against dished spring and electronic sensor-operated positioner cam

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DE (1) DE3001506A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3243642A1 (en) * 1982-07-07 1984-04-12 Kia Ind Co BRAKE CONTROL UNIT
DE3442503A1 (en) * 1984-11-22 1986-05-28 Franz 6903 Neckargemünd Menke Hydraulic brake control unit
EP0420484A1 (en) * 1989-09-29 1991-04-03 General Motors Corporation Cam-actuated traction control system apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3243642A1 (en) * 1982-07-07 1984-04-12 Kia Ind Co BRAKE CONTROL UNIT
DE3442503A1 (en) * 1984-11-22 1986-05-28 Franz 6903 Neckargemünd Menke Hydraulic brake control unit
EP0420484A1 (en) * 1989-09-29 1991-04-03 General Motors Corporation Cam-actuated traction control system apparatus
US5026126A (en) * 1989-09-29 1991-06-25 General Motors Corporation Cam actuated traction control system apparatus and method

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