DE102020209563A1 - motor vehicle brake system - Google Patents
motor vehicle brake system Download PDFInfo
- Publication number
- DE102020209563A1 DE102020209563A1 DE102020209563.9A DE102020209563A DE102020209563A1 DE 102020209563 A1 DE102020209563 A1 DE 102020209563A1 DE 102020209563 A DE102020209563 A DE 102020209563A DE 102020209563 A1 DE102020209563 A1 DE 102020209563A1
- Authority
- DE
- Germany
- Prior art keywords
- brake
- motor vehicle
- linear actuator
- wheel
- master
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Images
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
- 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
- B60T13/74—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 electrical assistance or drive
- B60T13/745—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 electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
-
- 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
- B60T13/12—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 the fluid being liquid
- B60T13/14—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 the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/145—Master cylinder integrated or hydraulically coupled with booster
- B60T13/146—Part of the system directly actuated by booster pressure
-
- 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
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
-
- 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
-
- 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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
-
- 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
- B60T8/40—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 comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
Abstract
Die Erfindung betrifft eine Kraftfahrzeugbremsanlage mit wenigstens einer Radbremse (1), die über eine Hydraulikleitung (5) mit einem manuell betätigbaren Hauptbremszylinder (6) verbunden ist, mit einem am Hauptbremszylinder (6) angeschlossenen Vorratsbehälter (16) zur Versorgung des Hauptbremszylinders (6) mit Bremsflüssigkeit, mit einem in die Hydraulikleitung (5) eingesetzten, in seiner Grundstellung geöffneten Magnetventil (4), sowie mit einem hydraulisch mit der Radbremse (1) verbundenen Linearaktuator (2), bestehend aus einem translatorisch in einer Arbeitskammer (3) bewegten Kolben (7), der zur Betätigung über ein Getriebe (13) mit einem Elektromotor (9) verbunden ist, mit der Besonderheit, dass zur Radschlupfregelung eine Bremsdruckmodulation in der Radbremse (1) ausschließlich mittels einer Betätigung des Linearaktuators (2) durchführbar ist, wozu die Arbeitskammer (3) des Linearaktuators (2) unmittelbar zwischen dem Magnetventil (4) und der Radbremse (1) an die Hydraulikleitung (5) angeschlossen ist.The invention relates to a motor vehicle brake system with at least one wheel brake (1), which is connected via a hydraulic line (5) to a manually operable master brake cylinder (6), with a reservoir (16) connected to the master brake cylinder (6) for supplying the master brake cylinder (6). with brake fluid, with a solenoid valve (4) inserted in the hydraulic line (5) and open in its normal position, and with a linear actuator (2) connected hydraulically to the wheel brake (1), consisting of a piston that moves translationally in a working chamber (3). (7), which is connected to an electric motor (9) via a gear (13) for actuation, with the special feature that brake pressure modulation in the wheel brake (1) can be carried out exclusively by actuating the linear actuator (2) for wheel slip control, for which purpose the working chamber (3) of the linear actuator (2) directly between the solenoid valve (4) and the wheel brake (1) to the hydraulic line ng (5) is connected.
Description
Die Erfindung betrifft eine Kraftfahrzeugbremsanlage nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a motor vehicle brake system according to the preamble of patent claim 1.
Aus
Nunmehr ist es die Aufgabe der vorliegenden Erfindung, eine Kraftfahrzeugbremsanlage der angegebenen Art mit möglichst einfachen, kostengünstigen und funktionsgerechten Mittel bevorzugt zur Verwendung in einem Kraftrad weiter zu entwickeln, ohne die Notwendigkeit zur Regelung des Bremsdrucks in der Radbremse mittels der bekannten Einlass- und Auslassventile.It is now the object of the present invention to further develop a motor vehicle brake system of the type specified with means that are as simple, inexpensive and functional as possible, preferably for use in a motorcycle, without the need to regulate the brake pressure in the wheel brake using the known inlet and outlet valves.
Diese Aufgabe wird erfindungsgemäß für eine Kraftfahrzeugbremsanlage der angegebenen Art mit den Merkmalen des Patentanspruchs 1 gelöst.According to the invention, this object is achieved for a motor vehicle brake system of the type specified with the features of patent claim 1 .
Weitere Merkmale und Vorteile der Erfindung gehen im Nachfolgenden aus der Beschreibung von mehreren Ausführungsbeispielen anhand von Zeichnungen hervor.Further features and advantages of the invention emerge below from the description of several exemplary embodiments with reference to drawings.
Es zeigen:
-
1 eine prinzipielle Darstellung des hydraulischen Schaltungsaufbaus für eine elektrohydraulische Kfz-Bremsanlage, die ausschließlich mittels eines Linearaktuators den Bremsdruck jeweils in einer Radbremse einstellt, -
2 eine Erweiterung der elektrohydraulischen Bremsanlage nach1 um einen Pedalwegsimulator, -
3 die Kraftfahrzeugbremsanlage nach2 ohne die Verwendung eines selbsthemmenden Linearaktuators.
-
1 a basic representation of the hydraulic circuit structure for an electrohydraulic vehicle brake system, which adjusts the brake pressure in each wheel brake exclusively by means of a linear actuator, -
2 an extension of the electro-hydraulic brake system1 about a pedal travel simulator, -
3 the motorvehicle brake system 2 without the use of a self-locking linear actuator.
Die
Die jeweils in den
Die Erfindung sieht vor, dass zur Radschlupfregelung eine Bremsdruckmodulation in der Radbremse 1 ausschließlich mittels einer Betätigung des Linearaktuators 2 erfolgt, wozu die Arbeitskammer 3 des Linearaktuators 2 unmittelbar zwischen dem Magnetventil 4 und der Radbremse 1 an die Hydraulikleitung 5 angeschlossen ist.The invention provides that, for wheel slip control, brake pressure modulation in the wheel brake 1 takes place exclusively by actuating the
Zur Bremsdruckmodulation in der Radbremse 1 mittels des Linearaktuators 2 ist die hydraulische Verbindung des Hauptbremszylinders 6 mit der Radbremse 1 durch das Schalten des Magnetventils 4 in seine Sperrstellung unterbrochen, sodass eine Rückwirkung des vom Linearaktuator erzeugten Bremsdrucks auf den Hauptbremszylinder vermieden wird.To modulate the brake pressure in the wheel brake 1 using the
Wie aus den
Zur Überwachung des vom Linearaktuator 2 aufgebauten Bremsflüssigkeitsdruck ist in allen abgebildeten Ausführungsvarianten wenigstens ein Drucksensor 8 am Ausgang der Arbeitskammer 3 angeschlossen. Ebenso ist zur Überwachung des vom Hauptbremszylinder 6 aufgebauten Bremsflüssigkeitsdruck gemäß den
In einer Ausgestaltung der Erfindung gemäß den
Das Simulatorventil 12 verharrt in der Bremslösestellung als auch in einer manuellen, radschlupffreien Bremsbetätigungsfunktion des Hauptbremszylinders 6 in seiner geschlossenen, elektromagnetisch nicht betätigten Grundstellung, sodass über das in Grundstellung geöffnete Magnetventil 4 eine direkte hydraulische Verbindung zwischen dem Hauptbremszylinder 6 und der Radbremse 1 gewährleistet ist.The
Zur Regelung des Bremsdrucks in der Radbremse nimmt das Magnetventil 4 seine Schließstellung ein und das Simulatorventil 12 wird gleichzeitig elektromagnetisch in die offene Stellung geschaltet, sodass zur Wahrung des gewünschten Pedalgefühls der Hauptbremszylinder 6 ausschließlich mit der Simulatorkammer 10 verbunden istTo control the brake pressure in the wheel brake, the
Zur Verstärkung des manuell vom Hauptbremszylinder 6 in der Radbremse 1 aufgebauten Bremsdrucks ist ferner bei Wunsch oder Bedarf gleichzeitig der Linearaktuator 2 aktivierbar, wodurch die in der Arbeitskammer 3 befindliche Bremsflüssigkeit mittels einer Vorschubbewegung des Kolbens 7 in Richtung der Radbremse 1 verdrängbar ist.In order to increase the braking pressure manually built up in the wheel brake 1 by the
Nachfolgend werden hinsichtlich der Funktion der abgebildeten Bremsanlagen jeweils deren Besonderheiten herausgestellt.In the following, the special features of the brake systems shown are highlighted with regard to their function.
Gemäß der
Zum Halten des Bremsdrucks in einer ABS-Regelung verharrt das Magnetventil 4 in seiner geschlossenen Stellung, während zur Reduzierung des Bremsdrucks in der ABS-Regelung der Kolben 7 des Linearaktuators 2, bei gleichzeitig unverändert geschlossenen Magnetventil 4, zurückgestellt wird. Eine Erhöhung des Bremsdrucks während der ABS-Regelung (Fahrer erhöht den Vordruck im Hauptbremszylinder) erfordert stets eine Vorschubbewegung des Linearaktuators 2 bei gleichzeitig geschlossenem Magnetventil 4. Das Magnetventil 4 öffnet erst mit der Beendigung der ABS-Regelung, bzw. wenn der Fahrer-Vordruck durch die Vorschubbewegung des Linearaktuators 2 erreicht ist. In der Bremslösestellung nimmt sodann der Kolben 7 des Linearaktuators 2 die in
Gemäß der
Auch in der Variante nach
Die anhand der
Im Fehlerfall wird ohne ABS-Funktion eine ganz normale hydraulische Beaufschlagung der jeweiligen Radbremse 1 mittels des Hauptbremszylinders 6 ermöglicht.In the event of a fault, a completely normal hydraulic loading of the respective wheel brake 1 by means of the
Durch die Möglichkeit einer dezentralen Unterbringung von einem Vorderrad- und einem Hinterradmodulator wird die Montage und das Package der Bremsanlage im Kraftrad erheblich vereinfacht. Dabei kann das Mastersystem den kompletten elektronischen Regler enthalten, während das Slavesystem lediglich als Aktuator arbeitet und mit dem Mastersystem über ein paar wenige Kabel verbunden ist.The possibility of a decentralized accommodation of a front wheel and a rear wheel modulator considerably simplifies the assembly and the package of the brake system in the motorcycle. The master system can contain the complete electronic controller, while the slave system only works as an actuator and is connected to the master system via a few cables.
BezugszeichenlisteReference List
- 11
- Radbremsewheel brake
- 22
- Linearaktuatorlinear actuator
- 33
- Arbeitskammerworking chamber
- 44
- Magnetventilmagnetic valve
- 55
- Hydraulikleitunghydraulic line
- 66
- Hauptbremszylindermaster cylinder
- 77
- KolbenPistons
- 88th
- Drucksensorpressure sensor
- 99
- Elektromotorelectric motor
- 1010
- Simulatorkammersimulator chamber
- 1111
- Pedalwegsimulatorpedal travel simulator
- 1212
- Simulatorventilsimulator valve
- 1313
- Getriebetransmission
- 1414
- Drucksensorpressure sensor
- 1515
- Hauptbremszylinderkammermaster cylinder chamber
- 1616
- Vorratsbehälterreservoir
- 1717
- Drehwinkelpositionssensorrotation angle position sensor
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDED IN DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of documents cited by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturPatent Literature Cited
- DE 102013216314 A1 [0002]DE 102013216314 A1 [0002]
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020209563.9A DE102020209563A1 (en) | 2020-07-29 | 2020-07-29 | motor vehicle brake system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020209563.9A DE102020209563A1 (en) | 2020-07-29 | 2020-07-29 | motor vehicle brake system |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102020209563A1 true DE102020209563A1 (en) | 2022-02-03 |
Family
ID=79300263
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102020209563.9A Pending DE102020209563A1 (en) | 2020-07-29 | 2020-07-29 | motor vehicle brake system |
Country Status (1)
Country | Link |
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DE (1) | DE102020209563A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022108721A1 (en) | 2022-04-11 | 2023-10-12 | Heinz Leiber | Master brake cylinder with adjustable pedal characteristics |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4335769C1 (en) | 1993-10-20 | 1994-12-08 | Daimler Benz Ag | Brake-pressure control device for a road vehicle |
DE19543583C1 (en) | 1995-11-22 | 1997-02-06 | Daimler Benz Ag | Brake pressure control device for a road vehicle with an electro-hydraulic multi-circuit brake system |
DE102013216314A1 (en) | 2013-08-16 | 2015-02-19 | Continental Teves Ag & Co. Ohg | Brake system for motor vehicles and associated operating method |
-
2020
- 2020-07-29 DE DE102020209563.9A patent/DE102020209563A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4335769C1 (en) | 1993-10-20 | 1994-12-08 | Daimler Benz Ag | Brake-pressure control device for a road vehicle |
DE19543583C1 (en) | 1995-11-22 | 1997-02-06 | Daimler Benz Ag | Brake pressure control device for a road vehicle with an electro-hydraulic multi-circuit brake system |
DE102013216314A1 (en) | 2013-08-16 | 2015-02-19 | Continental Teves Ag & Co. Ohg | Brake system for motor vehicles and associated operating method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022108721A1 (en) | 2022-04-11 | 2023-10-12 | Heinz Leiber | Master brake cylinder with adjustable pedal characteristics |
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Legal Events
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---|---|---|---|
R163 | Identified publications notified | ||
R081 | Change of applicant/patentee |
Owner name: CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH, DE Free format text: FORMER OWNER: CONTINENTAL TEVES AG & CO. OHG, 60488 FRANKFURT, DE |
|
R081 | Change of applicant/patentee |
Owner name: CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH, DE Free format text: FORMER OWNER: CONTINENTAL AUTOMOTIVE TECHNOLOGIES GMBH, 30165 HANNOVER, DE |