DE19951939B4 - Hydraulic motor vehicle brake system with wheel slip control - Google Patents
Hydraulic motor vehicle brake system with wheel slip control Download PDFInfo
- Publication number
- DE19951939B4 DE19951939B4 DE19951939A DE19951939A DE19951939B4 DE 19951939 B4 DE19951939 B4 DE 19951939B4 DE 19951939 A DE19951939 A DE 19951939A DE 19951939 A DE19951939 A DE 19951939A DE 19951939 B4 DE19951939 B4 DE 19951939B4
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- brake
- valve
- pump
- master cylinder
- 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.)
- Expired - Lifetime
Links
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000007257 malfunction Effects 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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
- B60T8/32—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
-
- 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
- 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
- B60T8/404—Control of the pump unit
- B60T8/4054—Control of the pump unit involving the delivery pressure control
-
- 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
- B60T8/404—Control of the pump unit
- B60T8/4059—Control of the pump unit involving the rate of delivery
-
- 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
- B60T8/48—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 connecting the brake actuator to an alternative or additional source of fluid pressure, e.g. traction control systems
- B60T8/4809—Traction control, stability control, using both the wheel brakes and other automatic braking systems
- B60T8/4827—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
Hydraulische Kraftfahrzeugbremsanlage mit Radschlupfregelung, mit einem Hauptbremszylinder, der über eine Bremsleitung mit wenigstens einer Radbremse verbunden ist, mit einer an der Bremsleitung angeschlossenen, elektrisch angetriebenen Pumpe zur Förderung von Druckmittel in Richtung der Radbremse sowie mit wenigstens einem in die Bremsleitung eingesetzten Druckmodulationsventil zur Variation des Bremsdrucks in der Radbremse mittels einer Steuerelektronik, wobei zum Bremsdruckaufbau in der Radbremse bei intakter Pumpe und intakter Steuerelektronik die Pumpe in Betrieb gesetzt ist und die Bremsleitung zwischen dem Hauptbremszylinder und der Radbremse durch ein Notbremsventil derart getrennt ist, daß das aus dem pedalbetätigten Hauptbremszylinder verdrängte Druckmittel ausschließlich in einen Simulator und in einen Druckraum eines Druckregelventils gelangt, das in seiner Ventilgrundstellung die Pumpendruckseite vom Vorratsbehälter trennt, wobei das Druckregelventil einen mit einem Sitzventil versehenen Steuerkolben aufweist, dadurch gekennzeichnet, daß der Steuerkolben als Stufenkolben (8) ausgebildet ist, dessen größere Stirnfläche (A1) zur Überlagerung des im Druckraum (18') anstehenden Drucks von einem Stößel...hydraulic Motor vehicle brake system with wheel slip control, with a master cylinder, the over a brake line is connected to at least one wheel brake, with a connected to the brake line, electrically driven Pump for promotion of pressure medium in the direction of the wheel brake and with at least one in the brake line used pressure modulation valve for variation the brake pressure in the wheel brake by means of control electronics, wherein the brake pressure build-up in the wheel brake with intact pump and intact control electronics the pump is in operation and the Brake line between the master brake cylinder and the wheel brake an emergency brake valve is so separated that the pedal operated master cylinder displaced Pressure medium exclusively in a simulator and in a pressure chamber of a pressure control valve arrives, the pump pressure side in its basic valve position from the reservoir separates, wherein the pressure control valve provided with a seat valve spool characterized in that the control piston as a stepped piston (8) is formed, whose larger end face (A1) for overlaying of the pressure in the pressure chamber (18 ') pending by a plunger ...
Description
Die Erfindung betrifft eine hydraulische Kraftfahrzeugbremsanlage mit Radschlupfregelung nach dem Oberbegriff des Patentanspruchs 1.The The invention relates to a hydraulic motor vehicle brake system with Wheel slip control according to the preamble of patent claim 1.
Aus
der
Aufgrund des häufig nur geringen Vakuums und/oder auch aufgrund eingeschränkter Platzverhältnisse für den Vakuumbremskraftverstärker können sich Nachteile für die Bremsanlage ergeben. Auch der Bedienungskomfort und das Verstärkungsverhältnis der Bremsanlage ist u. a. durch die Dimensionierung des Vakuumbremskraftverstärkers und des Hauptbremszylinders festgelegt.by virtue of Often only low vacuum and / or due to limited space for the Vacuum brake booster can disadvantages for give the brake system. Also, the ease of use and the gain ratio of Brake system is u. a. by dimensioning the vacuum brake booster and the Master cylinder set.
Aus
der gattungsbildenden Schrift
Ferner
geht aus
Daher ist es die Aufgabe der vorliegenden Erfindung, eine hydraulische Kraftfahrzeugbremsanlage der eingangs genannten Art mit möglichst einfachen, kostengünstigen und funktionssicheren Mitteln derart zu verbessern, daß unabhängig von der Größe des Vakuums und des gewählten Hauptbremszylinders eine möglichst einfache Bremskraftverstärkung realisiert werden kann, ohne Einschränkung hinsichtlich einer komfortablen Bedienung und Wirksamkeit der Bremsanlage hinnehmen zu müssen, wobei sämtliche Druckregelfunktionen innerhalb der Bremsanlage unverändert gewährleistet werden sollen.Therefore It is the object of the present invention, a hydraulic Motor vehicle brake system of the type mentioned above with possible simple, inexpensive and functionally reliable means to improve so that regardless of the size of the vacuum and the chosen one Master cylinder one possible simple brake booster realized can be, without limitation in terms of comfortable operation and effectiveness of the brake system having to accept where all Pressure control functions within the brake system unchanged guaranteed should be.
Diese Aufgabe wird erfindungsgemäß durch eine hydraulische Kraftfahrzeugbremsanlage der angegebenen Art mit den kennzeichnenden Merkmalen des Patentanspruchs 1 gelöst.These The object is achieved by a hydraulic motor vehicle brake system of the type specified with the characterizing features of claim 1.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen gekennzeichnet. Vorteile und Anwendungsmöglichkeiten der Erfindung werden im nachfolgenden anhand der Beschreibung mehrerer Ausführungsbeispiele erläutert.advantageous Further developments of the invention are characterized in the subclaims. Advantages and applications The invention will be described below with reference to the description of several embodiments explained.
Es zeigen:It demonstrate:
Die
Zu
beachten ist, daß das
Multifunktionsventil
Entweder
zwischen dem Radeinlaßventil
Das
Notbremsventil
Die
Bremsanlage weist weiterhin in der einfachsten Ausführungsform
einen Wegschalter oder einen Wegsensor
Eine
pedalkraftproportionale Regelung des Bremsdrucks läßt sich
vorteilhafterweise durch den von der Pumpe
Die
Ausführungsform
der Bremsanlage nach
Selbstverständlich ist
der Linearantrieb
Durch
eine geeignete elektronische Stromregelung des Linearantriebs
Nachfolgend
wird die Gesamtfunktion der Bremsanlage vorzugsweise anhand der
Darstellung nach
Mit
dem Betätigen
des Pedals wird die erzeugte Pedalkraft unmittelbar auf den Hauptbremszylinder
Zur
Bremsschlupfregelung wird auf an sich bekannte Weise bei laufender
Pumpe
Bezüglich des
von der Pumpe
Zu
beachten ist, daß nur
zum Antriebsschlupf- als auch zum Fahrdynamikregelbetrieb der am
Druckraum
Kommt
es zu einem Ausfall der Bremsdruckversorgung infolge eines Pumpen-
bzw. Pumpenmotordefekts oder kommt es zu einem Ausfall der hierzu erforderlichen
Elektronik, dann nimmt das Notbremsventil
Die
Bremsanlage nach
- 11
- Wegsensordisplacement sensor
- 22
- HauptbremszylinderMaster Cylinder
- 33
- Simulatorsimulator
- 44
- MultifunktionsventilMulti-function valve
- 55
- Pumpepump
- 66
- Wegeventilway valve
- 77
- Rückschlagventilcheck valve
- 88th
- Stufenkolbenstepped piston
- 99
- RadauslaßventilRadauslaßventil
- 1010
- BremsleitngBremsleitng
- 1111
- Radbremsewheel brake
- 1212
- Radeinlaßventilwheel inlet
- 1313
- Notbremsventilemergency brake valve
- 1414
- Drucksensorpressure sensor
- 1515
- Pumpenmotorpump motor
- 1616
- DruckregelventilPressure control valve
- 1717
- Vorratsbehälterreservoir
- 18, 18'18 18 '
- Druckraumpressure chamber
- 1919
- DruckmittelverbindungPressure fluid connection
- 2020
- SteuerdruckleitungControl pressure line
- 2121
- RücklaufleitungReturn line
- 2222
- Sitzventilpoppet valve
- 2323
- Linearantrieblinear actuator
- 2424
- Stößeltappet
- A1, A2, A3A1, A2, A3
- Flächensurfaces
Claims (5)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19951939A DE19951939B4 (en) | 1999-05-27 | 1999-10-28 | Hydraulic motor vehicle brake system with wheel slip control |
PCT/EP2000/004687 WO2000073116A1 (en) | 1999-05-27 | 2000-05-23 | Hydraulic motor vehicle brake system having wheel slip control |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19924192.9 | 1999-05-27 | ||
DE19924193.7 | 1999-05-27 | ||
DE19924193 | 1999-05-27 | ||
DE19924192 | 1999-05-27 | ||
DE19951939A DE19951939B4 (en) | 1999-05-27 | 1999-10-28 | Hydraulic motor vehicle brake system with wheel slip control |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19951939A1 DE19951939A1 (en) | 2000-11-30 |
DE19951939B4 true DE19951939B4 (en) | 2008-10-30 |
Family
ID=26053533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19951939A Expired - Lifetime DE19951939B4 (en) | 1999-05-27 | 1999-10-28 | Hydraulic motor vehicle brake system with wheel slip control |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19951939B4 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10212334A1 (en) * | 2002-03-20 | 2003-10-02 | Volkswagen Ag | Electro-hydraulic braking device for a motor vehicle |
DE102013014173A1 (en) * | 2013-08-26 | 2015-02-26 | Lucas Automotive Gmbh | Electrohydraulic vehicle brake system with electromechanical actuator and method for operating the brake system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3502018A1 (en) * | 1985-01-23 | 1986-07-24 | Alfred Teves Gmbh, 6000 Frankfurt | Hydraulic brake system |
DE3511535A1 (en) * | 1985-03-29 | 1986-10-09 | Alfred Teves Gmbh, 6000 Frankfurt | BRAKE SYSTEM FOR MOTOR VEHICLES |
DE3526556A1 (en) * | 1985-07-25 | 1987-01-29 | Teves Gmbh Alfred | BRAKE SYSTEM WITH HYDRAULIC BRAKE FORCE REINFORCEMENT |
DE4340467A1 (en) * | 1993-11-27 | 1995-06-01 | Bosch Gmbh Robert | Hydraulic vehicle brake system working with external power |
DE4438721A1 (en) * | 1994-10-29 | 1996-05-02 | Teves Gmbh Alfred | Hydraulic skid-control braking system for motor vehicle with ASR |
DE19533482A1 (en) * | 1995-09-12 | 1997-04-10 | Ebern Fahrzeugtech Gmbh | Valve arrangement for a power brake circuit of a hydraulic brake system |
DE19613903A1 (en) * | 1996-04-06 | 1997-10-09 | Teves Gmbh Alfred | Anti-lock hydraulic motor vehicle brake system |
WO1998026966A1 (en) * | 1996-12-19 | 1998-06-25 | Kelsey Hayes Company | Brake system having a pilot operated boost valve |
-
1999
- 1999-10-28 DE DE19951939A patent/DE19951939B4/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3502018A1 (en) * | 1985-01-23 | 1986-07-24 | Alfred Teves Gmbh, 6000 Frankfurt | Hydraulic brake system |
DE3511535A1 (en) * | 1985-03-29 | 1986-10-09 | Alfred Teves Gmbh, 6000 Frankfurt | BRAKE SYSTEM FOR MOTOR VEHICLES |
DE3526556A1 (en) * | 1985-07-25 | 1987-01-29 | Teves Gmbh Alfred | BRAKE SYSTEM WITH HYDRAULIC BRAKE FORCE REINFORCEMENT |
DE4340467A1 (en) * | 1993-11-27 | 1995-06-01 | Bosch Gmbh Robert | Hydraulic vehicle brake system working with external power |
DE4438721A1 (en) * | 1994-10-29 | 1996-05-02 | Teves Gmbh Alfred | Hydraulic skid-control braking system for motor vehicle with ASR |
DE19533482A1 (en) * | 1995-09-12 | 1997-04-10 | Ebern Fahrzeugtech Gmbh | Valve arrangement for a power brake circuit of a hydraulic brake system |
DE19613903A1 (en) * | 1996-04-06 | 1997-10-09 | Teves Gmbh Alfred | Anti-lock hydraulic motor vehicle brake system |
WO1998026966A1 (en) * | 1996-12-19 | 1998-06-25 | Kelsey Hayes Company | Brake system having a pilot operated boost valve |
Also Published As
Publication number | Publication date |
---|---|
DE19951939A1 (en) | 2000-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
8364 | No opposition during term of opposition | ||
R120 | Application withdrawn or ip right abandoned |
Effective date: 20120423 |