DE102008058362A1 - Brake actuating unit has individual hydraulic connection, where hydraulic pressure source is connected with amplifying area of amplifying stage and pressurizing medium is provided with master brake cylinder - Google Patents
Brake actuating unit has individual hydraulic connection, where hydraulic pressure source is connected with amplifying area of amplifying stage and pressurizing medium is provided with master brake cylinder Download PDFInfo
- Publication number
- DE102008058362A1 DE102008058362A1 DE102008058362A DE102008058362A DE102008058362A1 DE 102008058362 A1 DE102008058362 A1 DE 102008058362A1 DE 102008058362 A DE102008058362 A DE 102008058362A DE 102008058362 A DE102008058362 A DE 102008058362A DE 102008058362 A1 DE102008058362 A1 DE 102008058362A1
- Authority
- DE
- Germany
- Prior art keywords
- brake
- pressure
- pressure source
- unit according
- hydraulic pressure
- 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.)
- Withdrawn
Links
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012530 fluid Substances 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
- 230000002411 adverse Effects 0.000 description 1
- 230000003014 reinforcing effect 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
- 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
-
- 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
- B60T8/4013—Fluid pressurising means for more than one fluid circuit, e.g. separate pump units used for hydraulic booster and anti-lock braking
-
- 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
- B60T8/44—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 co-operating with a power-assist booster means associated with a master cylinder for controlling the release and reapplication of brake pressure through an interaction with the power assist device, i.e. open systems
- B60T8/441—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 co-operating with a power-assist booster means associated with a master cylinder for controlling the release and reapplication of brake pressure through an interaction with the power assist device, i.e. open systems using hydraulic boosters
Abstract
Description
Die Erfindung betrifft eine Bremsbetätigungseinheit, bestehend aus einem mittels eines Bremspedals betätigbaren Hauptbremszylinder, an den Radbremsen eines Kraftfahrzeugs angeschlossen sind, einer dem Hauptbremszylinder vorgeschalteten Verstärkerstufe, die einer Bremspedalbetätigungskraft eine Hilfskraft additiv überlagert und mit der Summe aus beiden Kräften einen Hauptbremszylinderkolben betätigt, einer steuerbaren hydraulischen Druckquelle zum Bereitstellen eines die Hilfskraft erzeugenden Hilfsdrucks, sowie mit einer Bremspedalbetätigungsweg-Ermittlungseinrichtung.The The invention relates to a brake actuation unit consisting from an actuatable by means of a brake pedal master cylinder, are connected to the wheel brakes of a motor vehicle, a the master cylinder upstream amplifier stage, which additively superimposes an auxiliary force on a brake pedal operating force and with the sum of both forces a master brake cylinder piston operated, a controllable hydraulic pressure source for Providing a auxiliary force generating auxiliary pressure, as well with a brake pedal travel detection device.
Eine
derartige Bremsbetätigungseinheit ist beispielsweise aus
der
Es ist daher Aufgabe der vorliegenden Erfindung, eine Bremsbetätigungseinheit der eingangs genannten Gattung dahingehend zu verbessern, dass die Anzahl der hydraulischen Verbindungen reduziert wird.It is therefore an object of the present invention, a brake actuation unit to improve the type mentioned in that the Number of hydraulic connections is reduced.
Diese Aufgabe wird durch eine Bremsbetätigungseinheit nach dem kennzeichnenden Teil des Anspruchs 1 gelöst. Dabei ist vorgesehen, dass eine einzelne hydraulische Verbindung einerseits die hydraulische Druckquelle mit einem Verstärkerraum der Verstärkerstufe verbindet und andererseits den Hauptbremszylinder mit Druckmittel versorgt.These Task is performed by a brake actuator after the characterizing part of claim 1. It is provided that a single hydraulic connection on the one hand the hydraulic pressure source with an amplifier chamber of the amplifier stage connects and on the other hand, the master cylinder with pressure medium provided.
Vorteilhafte Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.advantageous Further developments of the invention are in the dependent claims specified.
In einer vorteilhaften Weiterbildung ist vorgesehen, dass dem Hauptbremszylinder lokale Druckmittel-Reservoirs zugeordnet sind, die über die hydraulische Verbindung von der steuerbaren hydraulischen Druckquelle gespeist werden.In An advantageous development is provided that the master cylinder local pressure medium reservoirs are assigned over the hydraulic connection from the controllable hydraulic pressure source be fed.
Eine vorteilhafte Weiterbildung des erfindungsgemäßen Gegenstands sieht vor, dass die hydraulische Druckquelle mit einem Druckmittelvorratsbehälter verbunden ist, der das Druckmittel zur Erzeugung des Hilfsdrucks und für die Druckmittelversorgung des Hauptbremszylinders bevorratet. Der Druckmittelvorratsbehälter weist lediglich eine Kammer auf.A advantageous development of the invention Subject provides that the hydraulic pressure source with a Pressure medium reservoir is connected to the pressure medium for generating the auxiliary pressure and for the pressure medium supply the master cylinder stockpiled. The pressure medium reservoir has only one chamber.
Die hydraulische Verbindung ist als gegen mechanische Einflüsse robuste Druckleitung ausgebildet.The hydraulic connection is considered against mechanical influences robust pressure line formed.
Eine weitere vorteilhafte Ausgestaltung der Erfindung sieht vor, dass die steuerbare hydraulische Druckquelle durch eine Pumpe mit steuerbarem Antrieb oder die Kombination einer Pumpe mit wenigstens einem steuerbaren Ventil oder eine elektromechanisch angetriebene Kolben-Zylinder-Einheit gebildet wird.A Further advantageous embodiment of the invention provides that the controllable hydraulic pressure source by a pump with controllable Drive or the combination of a pump with at least one controllable Valve or an electromechanically driven piston-cylinder unit is formed.
Außerdem sind ein den Druck des Hauptbremszylinders erfassender Drucksensor sowie ein weiterer Drucksensor vorgesehen, der den Druck der steuerbaren hydraulischen Druckquelle erfasst.Furthermore are a pressure sensor of the master cylinder detecting pressure sensor as well as a further pressure sensor provided, which the pressure of the controllable recorded hydraulic pressure source.
Die Bremspedalbetätigungsweg-Ermittlungseinrichtung wird durch einen Wegsensor gebildet, der den Weg des Verstärkerkolbens erfasst und dessen Ausgangssignal einer elektronischen Regeleinheit zuführt. Die elektronische Regeleinheit dient der Ansteuerung der hydraulischen Druckquelle der Verstärkerstufe.The Brake pedal operation path detecting means is performed by formed a displacement sensor, which is the path of the booster piston detected and its output of an electronic control unit supplies. The electronic control unit is used to control the hydraulic pressure source of the amplifier stage.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels im Zusammenhang mit der beiliegenden Zeichnung. In der Zeichnung zeigt die einzige Figur eine schematische Darstellung der erfindungsgemäßen Bremsbetätigungseinheit.Further Features and advantages of the invention will become apparent from the following Description of a preferred embodiment in Connection with the enclosed drawing. In the drawing shows the single figure is a schematic representation of the invention Brake actuation unit.
Die
in der Figur in einer schematischen Darstellung gezeigte Bremsbetätigungseinheit
besteht im Wesentlichen aus einem Hauptbremszylinder
Die
hydraulische Druckquelle
Die
hydraulische Druckquelle
Zur
Steuerung der hydraulischen Druckquelle
Als
entscheidend ist bei der vorliegenden Erfindung anzusehen, dass
keine zusätzlichen drucklosen Schlauchverbindungen zwischen
dem Hauptbremszylinder
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE 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 The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 102008039306 [0002] - DE 102008039306 [0002]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008058362A DE102008058362A1 (en) | 2007-11-21 | 2008-11-20 | Brake actuating unit has individual hydraulic connection, where hydraulic pressure source is connected with amplifying area of amplifying stage and pressurizing medium is provided with master brake cylinder |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007055512 | 2007-11-21 | ||
DE102007055512.3 | 2007-11-21 | ||
DE102008058362A DE102008058362A1 (en) | 2007-11-21 | 2008-11-20 | Brake actuating unit has individual hydraulic connection, where hydraulic pressure source is connected with amplifying area of amplifying stage and pressurizing medium is provided with master brake cylinder |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008058362A1 true DE102008058362A1 (en) | 2009-05-28 |
Family
ID=40577337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008058362A Withdrawn DE102008058362A1 (en) | 2007-11-21 | 2008-11-20 | Brake actuating unit has individual hydraulic connection, where hydraulic pressure source is connected with amplifying area of amplifying stage and pressurizing medium is provided with master brake cylinder |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008058362A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008039306A1 (en) | 2007-11-21 | 2009-05-28 | Continental Teves Ag & Co. Ohg | Brake actuation unit |
-
2008
- 2008-11-20 DE DE102008058362A patent/DE102008058362A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008039306A1 (en) | 2007-11-21 | 2009-05-28 | Continental Teves Ag & Co. Ohg | Brake actuation unit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OR8 | Request for search as to paragraph 43 lit. 1 sentence 1 patent law | ||
R005 | Application deemed withdrawn due to failure to request examination |