DE102007042816A1 - Hydraulic brake system for external force braking of e.g. tractor, has pressure control valve provided for connecting wheel brake with pressure source or with pressure-free storage tank depending on switching position of modulation valve - Google Patents
Hydraulic brake system for external force braking of e.g. tractor, has pressure control valve provided for connecting wheel brake with pressure source or with pressure-free storage tank depending on switching position of modulation valve Download PDFInfo
- Publication number
- DE102007042816A1 DE102007042816A1 DE102007042816A DE102007042816A DE102007042816A1 DE 102007042816 A1 DE102007042816 A1 DE 102007042816A1 DE 102007042816 A DE102007042816 A DE 102007042816A DE 102007042816 A DE102007042816 A DE 102007042816A DE 102007042816 A1 DE102007042816 A1 DE 102007042816A1
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- brake
- brake system
- hydraulic
- control
- 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- Withdrawn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
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 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
- 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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- 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
- B60T8/36—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 including a pilot valve responding to an electromagnetic force
- B60T8/361—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 including a pilot valve responding to an electromagnetic force wherein the pilot valve is mounted in a circuit controlling an auxiliary fluid system
-
- 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
- B60T8/4275—Pump-back systems
Abstract
Description
Die vorliegende Erfindung betrifft eine hydraulische Bremsanlage mit Bremsschlupfregelung, insbesondere zur Fremdkraftbremsung von Traktoren, nach dem Oberbegriff des Patentanspruchs 1.The The present invention relates to a hydraulic brake system with Brake slip control, in particular for the external power braking of tractors, according to the preamble of claim 1.
Aus
Ferner
ist aus
Daher ist es die Aufgabe der vorliegenden Erfindung, eine hydraulische Bremsanlage mit Bremsschlupfregelung gemäß der im Oberbegriff des Patentanspruchs 1 genannten Art derart zu verbessern, dass auch Nutzfahrzeuge und Arbeitsmaschinen, deren Radbremsen im Vergleich zu den bekannten Pkw-Radbremsen eine große Volumenaufnahme aufweisen, mit den für Personenkraftwagen konzipierten, nach dem Rückfördersystem arbeitenden Bremsschlupfregelkomponenten blockierfrei gebremst werden können.Therefore It is the object of the present invention, a hydraulic Brake system with brake slip control according to the preamble of claim 1 type to improve so that also commercial vehicles and Work machines whose wheel brakes compared to the known Car wheel brakes one size Volume, with those designed for passenger cars, after the return conveyor system be braked blocking-free operating brake slip control components can.
Diese Aufgabe wird für die gattungsgemäße Bremsanlage mit den kennzeichnenden Merkmalen des Patentanspruchs 1 gelöst.These Task is for the generic brake system solved with the characterizing features of claim 1.
Weitere Merkmale und Vorteile der Erfindung gehen im Folgenden aus der Beschreibung zweier Ausführungsbeispiele hervor.Further Features and advantages of the invention will become apparent from the description two embodiments out.
Es zeigen:It demonstrate:
Die
Zur
Erweiterung des Anwendungsbereichs der zitierten, aus dem Pkw-Bereich
bekannten Bremsschlupfregelkomponenten für Radbremsen
Die
Hochdruckquelle weist in der praktischen Umsetzung für die Radbremse
Das
jeder Radbremse
Jedes
der drei abgebildeten Druckregelventile
In
der über
die Steuerdruckleitung
Der
Begriff Umschaltstellung ist nicht im Sinne einer binären Schaltweise
des Druckregelventils
Während einer
schlupffreien Bremsung wird die vom Fahrer auf das Pedal am Hauptbremszylinder
Weiterhin
geht aus den
Zur
hydraulischen Versorgung einer der Bremsanlage zugeordneten Feststellbremse
ist ein weiterer Hochdruckspeicher
Wie
aus beiden Figuren hervor geht, ist die Betriebsbremse der Bremsanlage
mehrkreisig ausgeführt,
wobei die beiden Radbremsen
Zur
Erfüllung
der gesetzlichen Vorschriften ist die Betriebsbremse zweikreisig
ausgeführt.
In den Ausführungsbeispielen
nach
Wahlweise
kann der zweite Bremskreis
Sowohl
der für
die Feststellbremse vorgesehene Hochdruckspeicher
Der
Hauptbremszylinder
Zusammenfassend
ist festzustellen, dass das Anti-Blockier-System für die erfindungsgemäße schlupfgeregelte
(Fremdkraft-)Bremsanlage durch die Installation eines für den Pkw-Bereich miniaturisierten
ABS-Aggregats
Raddrehzahlsensoren
Der
Vorteil der vorliegenden Erfindung besteht in der uneingeschränkten Verwendung
eines für den
PKW-Bereich klein konzipierten ABS-Aggregats
- 11
- HauptbremszylinderMaster Cylinder
- 22
- DruckregelventilPressure control valve
- 33
- HochdruckspeicherHigh-pressure accumulator
- 44
- Radbremsewheel brake
- 55
- HochdruckspeicherHigh-pressure accumulator
- 66
- Hochdruckpumpehigh pressure pump
- 77
- Federspeicherspring
- 88th
- Handbremsehand brake
- 99
- Pedalwegsimulatorpedal travel
- 1010
- Bremsebrake
- 1111
- ABS-AggregatABS-unit
- 1212
- Raddrehzahlsensorenwheel speed sensors
- 1313
- Vorratsbehälterreservoir
- 1414
- Rückschlagventilcheck valve
- 1515
- DruckmodulationsventilPressure modulation valve
- 1616
- SteuerdruckleitungControl pressure line
- 1717
- Bremsleitungbrake line
- 1818
- NiederdruckspeicherLow-pressure accumulator
- 1919
- RückförderpumpeReturn pump
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007042816A DE102007042816A1 (en) | 2006-09-22 | 2007-09-07 | Hydraulic brake system for external force braking of e.g. tractor, has pressure control valve provided for connecting wheel brake with pressure source or with pressure-free storage tank depending on switching position of modulation valve |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006045316.6 | 2006-09-22 | ||
DE102006045316 | 2006-09-22 | ||
DE102007042816A DE102007042816A1 (en) | 2006-09-22 | 2007-09-07 | Hydraulic brake system for external force braking of e.g. tractor, has pressure control valve provided for connecting wheel brake with pressure source or with pressure-free storage tank depending on switching position of modulation valve |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102007042816A1 true DE102007042816A1 (en) | 2008-06-26 |
Family
ID=39431951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007042816A Withdrawn DE102007042816A1 (en) | 2006-09-22 | 2007-09-07 | Hydraulic brake system for external force braking of e.g. tractor, has pressure control valve provided for connecting wheel brake with pressure source or with pressure-free storage tank depending on switching position of modulation valve |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102007042816A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020125639A1 (en) | 2020-10-01 | 2022-04-07 | Zf Cv Systems Global Gmbh | Power brake system of a vehicle and method for its control |
-
2007
- 2007-09-07 DE DE102007042816A patent/DE102007042816A1/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020125639A1 (en) | 2020-10-01 | 2022-04-07 | Zf Cv Systems Global Gmbh | Power brake system of a vehicle and method for its control |
US11938913B2 (en) | 2020-10-01 | 2024-03-26 | Zf Cv Systems Global Gmbh | Power brake system of a vehicle and method for controlling same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OR8 | Request for search as to paragraph 43 lit. 1 sentence 1 patent law | ||
8125 | Change of the main classification |
Ipc: B60T 8/48 AFI20070907BHDE |
|
R012 | Request for examination validly filed |
Effective date: 20131025 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |