DE102008063771A1 - Brake system for passenger car, has path simulator comprising two spring systems that are arranged parallel to each other, where spring systems are arranged in housing that is supported in holder with damping element - Google Patents
Brake system for passenger car, has path simulator comprising two spring systems that are arranged parallel to each other, where spring systems are arranged in housing that is supported in holder with damping element Download PDFInfo
- Publication number
- DE102008063771A1 DE102008063771A1 DE102008063771A DE102008063771A DE102008063771A1 DE 102008063771 A1 DE102008063771 A1 DE 102008063771A1 DE 102008063771 A DE102008063771 A DE 102008063771A DE 102008063771 A DE102008063771 A DE 102008063771A DE 102008063771 A1 DE102008063771 A1 DE 102008063771A1
- Authority
- DE
- Germany
- Prior art keywords
- spring
- housing
- brake
- pedal
- brake system
- 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- Withdrawn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
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
- 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
- B60T8/4086—Systems with stroke simulating devices for driver input the stroke simulating device being connected to, or integrated in the driver input device
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Bremssystem mit einem Wegsimulator.The The present invention relates to a braking system with a travel simulator.
Bremssysteme nach der Gattung Brake-by-wire verwenden einen Wegsimulator. Hierbei gibt es sog. Fremdkraftbremssysteme mit Pumpe und Speicher ohne mechanische Rückfallebene, welche im PKW wenig Verwendung finden.braking systems after the genus brake-by-wire use a path simulator. Here are it so-called. Foreign power brake systems with pump and memory without mechanical Fallback level, which find little use in the car.
Bei
Systemen mit mechanischer Rückfallebene ist die sog. EHB
bekannt, s.
Eine
andere Lösung ist in der
Der Erfindung liegt die Aufgabe zugrunde ein sichereres, kleinbauenderes Bremssystem bereit zu stellen.Of the Invention is based on the object a safer, kleinbauenderes Brake system to provide.
Erfindungsgemäß wird diese Aufgabe mit einem Bremssystem mit den Merkmalen des Anspruch 1 gelöst. Weitere vorteilhafte Ausgestaltungen des erfindungsgemäßen Bremssystems ergeben sich durch die Merkmale der auf den Anspruch 1 rückbezogenen Ansprüche 2 bis 18.According to the invention This object with a brake system with the features of claim 1 solved. Further advantageous embodiments of the invention Brake system result from the features of the claim 1 dependent claims 2 to 18.
Das
erfindungsgemäße Bremssystem zeichnet sich dadurch
aus, dass der Wegsimulator mindestens zwei parallel zueinander angeordnete
Federsysteme aufweist. Dies bedeutet, das quasi mehrere Wegsimulatoren
mit jeweils einem Federsystem parallel zueinander angeordnet sind.
Der übrige Aufbau des erfindungsgemäßen
Bremssystems kann wie in den
Die Federsysteme des Wegsimulators des erfindungsgemäßen Bremssystems sind vorteilhaft parallel, insbesondere beidsei tig zur Achse der Einrichtung zur Reduzierung des Leerwegs angeordnet. Durch das Vorsehen von mindestens zwei parallel angeordneten Federsystemen wird vorteilhaft erreicht, dass sich die erforderlichen Federkräfte nahezu bzw. mehr als halbieren. Hierdurch reduziert sich vorteilhaft die Baulänge und Durchmesser des Wegsimulators, wodurch der in den Fußraum hineinragende übliche hals des Bremskraftverstärkers im Durchmesser klein ist und kaum den üblichen Stirnwanddurchbruch überschreitet.The Spring systems of the travel simulator of the invention Braking system are advantageously parallel, in particular beidsei term arranged to the axis of the device for reducing the idle travel. By the provision of at least two parallel spring systems is advantageously achieved that the required spring forces almost or more than half. This reduces advantageous the length and diameter of the path simulator, thereby the usual neck projecting into the footwell the brake booster is small in diameter and barely exceeds the usual bulkhead breakthrough.
Die parallele Anordnung von mindestens zwei Federsystemen bietet eine Redundanz bei Federbruch. Hierdurch ist es möglich, auch bei einem defekten Federsystem, dann allerdings mit kleineren Pedalkräften, den Druck im BKV einzusteuern. Der Ausfall eines Federsystems kann jedoch durch Vergleich von Pedalweg mittels des Pedalwegsensors und dem Druck diagnostiziert werden, da mit gleicher Pedalkraft ein höherer Druck erzielt wird. Diese Lösung stellt eine wesentlich bessere Rückfallebene dar, als wenn der Wegsimulator keine Rückstellkraft mehr liefert.The parallel arrangement of at least two spring systems offers a Redundancy at spring break. This makes it possible, too with a defective spring system, but then with smaller pedal forces, to control the pressure in the BKV. The failure of a spring system can However, by comparing Pedalweg means of the pedal travel sensor and be diagnosed with the pressure because with the same pedal force higher pressure is achieved. This solution presents a much better fallback than when the Path simulator no restoring force delivers more.
Weiterhin kann auch die Funktion der elektromagnetischen Arretierung geprüft werden. Die beiden Wegsimulatorfedern können asymmetrisch ausgelegt werden. Damit entstehen in der Gehäuselagerung Reibkräfte, wodurch eine erwünschte mechanische Hysterese erzielt wird. Durch die Wegsimulatorarretierung und Leerwegfreischaltung entsprechend PCT 2007/010993 entsteht während der Bremsung bei Ausfall BKV kein nennenswerter Pedalwegverlust. Auch ist die Wegsimulatorfunktion bei niedrigem Reibbeiwert voll erhalten. Der Aufbau und Aufwand ist gering, da wenig Material für das Gehäuse notwendig ist und die Federn bekanntlich sehr kostengünstig sind, wenn nicht extreme Genauigkeit und Festigkeit verlangt wird. An Stelle der drei linearen Federn ist, wie bei anderen realisierten Wegsimulatorausführungen, auch eine nicht lineare Feder mit ggf. progressem Anschlag durch eine Teller- oder Gummifeder möglich.Farther can also check the function of the electromagnetic lock become. The two Wegsimulatorfedern can be asymmetric be interpreted. This results in the housing storage Frictional forces, creating a desirable mechanical Hysteresis is achieved. Through the Wegsimulatorarretierung and Leerwegfreischaltung according to PCT 2007/010993 is created during braking in case of failure BKV no significant pedal travel loss. Also is the Path simulator function fully preserved at low coefficient of friction. Of the Construction and effort is low, since little material for the Housing is necessary and the springs are known to be very inexpensive are, unless extreme accuracy and strength is required. In place of the three linear springs is realized, as with others Path simulator versions, also a non-linear spring with possibly progressive stop by a plate or rubber spring possible.
Das Wegsimulatorsystem ist vorteilhaft in dem elektromotorischen Bremskraftverstärker mit seinem Wegsimulatorgehäuse gelagert. Dieses ist an der Spritzwand befestigt, welche bekanntlich besonders empfindlich für die Geräuschübertragung ist. Zur Reduzierung der Geräusche vom Motor wird das BKV-Gehäuse vorteilhaft in einer Halterung mit Dämpfungselement befestigt.The travel simulator system is advantageously mounted in the electromotive brake booster with its Wegsimulatorgehäuse. This is on attached to the bulkhead, which is known to be particularly sensitive to noise transmission. To reduce the noise from the engine, the BKV housing is advantageously mounted in a holder with damping element.
Nachfolgend wird anhand von Zeichnungen des erfindungsgemäße Bremssystem näher erläutert.following is based on drawings of the invention Brake system explained in more detail.
Es zeigen:It demonstrate:
Die
Der
Wegsimulator ist in dem Wegsimulatorgehäuse
Wird
das nicht dargestellte Bremspedal und der daran angekoppelte Pedalstößel
Innerhalb
des Gehäuses
Die
Pedalkraft FP wirk auf das bewegliche Gehäuse
Bei
hohen Pedalkräften sind die Abstützkräfte
FA1 und FA2 sehr
hoch, welche vom Hebel
Das
Gehäuse
- 11
- BremskraftverstärkergehäuseBrake booster housing
- 1a1a
- Flansch des Bremskraftverstärkergehäusesflange the brake booster housing
- 22
- WegsimulatorgehäuseWegsimulatorgehäuse
- 33
- Gehäuse der Einrichtung zur Leerwegreduzierungcasing the device for Leerwegreduzierung
- 3a3a
- Gehäuseflanschhousing flange
- 44
- Pedalstößelpedal tappet
- 55
- erstes Wegsimulatorfedersystemfirst Wegsimulatorfedersystem
- 5a5a
- zweites Wegsimulatorfedersystemsecond Wegsimulatorfedersystem
- 66
- bewegliche Federaufnahmeportable spring mount
- 77
- Lagerbolzenbearing bolt
- 88th
- LeerwegfreischaltungLeerwegfreischaltung
- 99
- Stößeltappet
- 1010
- Spindelspindle
- 1111
- Stange zur Kupplung/Kolbenpole to the clutch / piston
- 1212
- WegsimulatorarretierungWegsimulatorarretierung
- 1313
- Elektromagnetelectromagnet
- 1414
- Lagerbuchse zum BKV-Gehäusebearing bush to the BKV housing
- 1515
- Lagerbuchse zum Wegsimulatorgehäusebearing bush to the path simulator housing
- 1616
- Stirnwand/SpritzwandFront wall / bulkhead
- 1717
- Pedalachsepedal axle
- 1818
- Halterungbracket
- 1919
- Dämpfungselementdamping element
- 2020
- Befestigung an Stirnwandattachment on the front wall
- 2121
- Federelementspring element
- 2222
- RückstellfederReturn spring
- 2323
- Pedalweggeberpedal travel
- 2424
- Anschlagplattestop plate
- BB
- Breite der Anschlagplattewidth the stop plate
- BKVBKV
- BremskraftverstärkerBrake booster
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 102004011622 [0004] - DE 102004011622 [0004]
- - EP 2006/003647 [0007] - EP 2006/003647 [0007]
- - EP 2007/010993 [0007] - EP 2007/010993 [0007]
- - WO 2006/111392 [0016] WO 2006/111392 [0016]
- - WO 2008/071437 [0016, 0019] - WO 2008/071437 [0016, 0019]
Zitierte Nicht-PatentliteraturCited non-patent literature
- - Bremsenhandbuch vom 2004, S. 272–274 [0003] - Brake Manual, 2004, p. 272-274 [0003]
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008063771A DE102008063771A1 (en) | 2008-12-22 | 2008-12-22 | Brake system for passenger car, has path simulator comprising two spring systems that are arranged parallel to each other, where spring systems are arranged in housing that is supported in holder with damping element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008063771A DE102008063771A1 (en) | 2008-12-22 | 2008-12-22 | Brake system for passenger car, has path simulator comprising two spring systems that are arranged parallel to each other, where spring systems are arranged in housing that is supported in holder with damping element |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008063771A1 true DE102008063771A1 (en) | 2010-06-24 |
Family
ID=42194134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102008063771A Withdrawn DE102008063771A1 (en) | 2008-12-22 | 2008-12-22 | Brake system for passenger car, has path simulator comprising two spring systems that are arranged parallel to each other, where spring systems are arranged in housing that is supported in holder with damping element |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008063771A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010044754A1 (en) * | 2010-09-08 | 2012-03-08 | Ipgate Ag | Brake system with a switchable by a brake pedal connection for decoupling a drive means of a piston-cylinder unit |
WO2012034661A1 (en) | 2010-09-17 | 2012-03-22 | Ipgate Ag | Actuating device for a motor vehicle brake system |
DE102010045617A1 (en) | 2010-09-17 | 2012-03-22 | Ipgate Ag | Operating device for brake assembly in passenger car, has piston connected with another piston of tandem main brake cylinder via connection device, and auxiliary piston actuated by pedal plunger and brake pedal |
DE102010050132A1 (en) * | 2010-11-03 | 2012-05-03 | Ipgate Ag | Actuating device for use with travel simulator, particularly for motor vehicle brake system, comprises actuating unit, external force actuator, travel sensor for sensing travel of actuating unit, and evaluation unit |
DE102011017436A1 (en) | 2011-04-18 | 2012-10-18 | Ipgate Ag | Actuating device for a vehicle brake system |
WO2012150108A1 (en) * | 2011-05-02 | 2012-11-08 | Continental Teves Ag & Co. Ohg | Pedal travel simulator, actuating unit for a hydraulic brake system and brake system |
DE102012002117A1 (en) * | 2012-02-06 | 2013-08-08 | Ipgate Ag | Brake device for electro-hydraulic brake of motor car, has simulator device arranged in interface housing, where interface housing and pedal and connection pistons are actuatable for performing pin and slob connection free shifting process |
US9541102B2 (en) | 2010-11-03 | 2017-01-10 | Ipgate Ag | Actuating device, in particular for a vehicle braking system |
EP4289690A1 (en) * | 2022-06-10 | 2023-12-13 | Hyundai Mobis Co., Ltd. | Pedal simulator |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19640781A1 (en) * | 1996-10-02 | 1998-04-09 | Bosch Gmbh Robert | Automobile hydraulic brake installation |
DE19836690A1 (en) * | 1998-08-13 | 2000-02-17 | Continental Teves Ag & Co Ohg | Pedal unit, especially for electro-mechanical braking system, e.g. brake-by-wire system, having two or more independent path sensors with respective brake evaluation units arranged in common casing |
DE102004011622A1 (en) | 2003-08-06 | 2005-03-31 | Continental Teves Ag & Co. Ohg | Brake actuation unit for actuating a motor vehicle brake system |
WO2006111392A1 (en) | 2005-04-21 | 2006-10-26 | Wolfram Gerber | Brake system with electromotively driven piston/cylinder system |
WO2008071437A2 (en) | 2006-12-15 | 2008-06-19 | Ipgate Ag | Adaptive free-travel reduction |
DE102007009563A1 (en) * | 2007-02-27 | 2008-08-28 | Robert Bosch Gmbh | Brake lever arrangement for e.g. electrohydraulic vehicle brake assembly of motor vehicle, has spring element that subjects brake lever into initial position, and rotation damper dampening movement of brake lever, which is pivotable |
DE102007030312A1 (en) * | 2007-06-29 | 2009-01-02 | Robert Bosch Gmbh | pedal travel |
-
2008
- 2008-12-22 DE DE102008063771A patent/DE102008063771A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19640781A1 (en) * | 1996-10-02 | 1998-04-09 | Bosch Gmbh Robert | Automobile hydraulic brake installation |
DE19836690A1 (en) * | 1998-08-13 | 2000-02-17 | Continental Teves Ag & Co Ohg | Pedal unit, especially for electro-mechanical braking system, e.g. brake-by-wire system, having two or more independent path sensors with respective brake evaluation units arranged in common casing |
DE102004011622A1 (en) | 2003-08-06 | 2005-03-31 | Continental Teves Ag & Co. Ohg | Brake actuation unit for actuating a motor vehicle brake system |
WO2006111392A1 (en) | 2005-04-21 | 2006-10-26 | Wolfram Gerber | Brake system with electromotively driven piston/cylinder system |
WO2008071437A2 (en) | 2006-12-15 | 2008-06-19 | Ipgate Ag | Adaptive free-travel reduction |
DE102007009563A1 (en) * | 2007-02-27 | 2008-08-28 | Robert Bosch Gmbh | Brake lever arrangement for e.g. electrohydraulic vehicle brake assembly of motor vehicle, has spring element that subjects brake lever into initial position, and rotation damper dampening movement of brake lever, which is pivotable |
DE102007030312A1 (en) * | 2007-06-29 | 2009-01-02 | Robert Bosch Gmbh | pedal travel |
Non-Patent Citations (1)
Title |
---|
Bremsenhandbuch vom 2004, S. 272-274 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010044754A1 (en) * | 2010-09-08 | 2012-03-08 | Ipgate Ag | Brake system with a switchable by a brake pedal connection for decoupling a drive means of a piston-cylinder unit |
WO2012034661A1 (en) | 2010-09-17 | 2012-03-22 | Ipgate Ag | Actuating device for a motor vehicle brake system |
DE102010045617A1 (en) | 2010-09-17 | 2012-03-22 | Ipgate Ag | Operating device for brake assembly in passenger car, has piston connected with another piston of tandem main brake cylinder via connection device, and auxiliary piston actuated by pedal plunger and brake pedal |
US10493967B2 (en) | 2010-09-17 | 2019-12-03 | Ipgate Ag | Actuating device for a motor vehicle brake system |
DE112011102270B4 (en) | 2010-09-17 | 2019-10-24 | Ipgate Ag | Actuating device for a motor vehicle brake system |
DE112011106127B3 (en) | 2010-09-17 | 2018-09-06 | Ipgate Ag | Actuating device for a motor vehicle brake system |
US9878697B2 (en) | 2010-09-17 | 2018-01-30 | Ipgate Ag | Actuating device for a motor vehicle brake system |
US9541102B2 (en) | 2010-11-03 | 2017-01-10 | Ipgate Ag | Actuating device, in particular for a vehicle braking system |
DE102010050132A1 (en) * | 2010-11-03 | 2012-05-03 | Ipgate Ag | Actuating device for use with travel simulator, particularly for motor vehicle brake system, comprises actuating unit, external force actuator, travel sensor for sensing travel of actuating unit, and evaluation unit |
DE102011017436A1 (en) | 2011-04-18 | 2012-10-18 | Ipgate Ag | Actuating device for a vehicle brake system |
WO2012143071A1 (en) | 2011-04-18 | 2012-10-26 | Ipgate Ag | Actuating device for a vehicle brake system |
CN103502066A (en) * | 2011-05-02 | 2014-01-08 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Pedal travel simulator, actuating unit for a hydraulic brake system and brake system |
WO2012150108A1 (en) * | 2011-05-02 | 2012-11-08 | Continental Teves Ag & Co. Ohg | Pedal travel simulator, actuating unit for a hydraulic brake system and brake system |
DE102012002117A1 (en) * | 2012-02-06 | 2013-08-08 | Ipgate Ag | Brake device for electro-hydraulic brake of motor car, has simulator device arranged in interface housing, where interface housing and pedal and connection pistons are actuatable for performing pin and slob connection free shifting process |
EP4289690A1 (en) * | 2022-06-10 | 2023-12-13 | Hyundai Mobis Co., Ltd. | Pedal simulator |
US11953933B2 (en) | 2022-06-10 | 2024-04-09 | Hyundai Mobis Co., Ltd. | Pedal simulator |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
R081 | Change of applicant/patentee |
Owner name: IPGATE AG, CH Free format text: FORMER OWNER: IPGATE AG, ZUERICH, CH Effective date: 20120223 |
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R082 | Change of representative |
Representative=s name: LENZING GERBER STUTE PARTNERSCHAFTSGESELLSCHAF, DE Effective date: 20120223 |
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R005 | Application deemed withdrawn due to failure to request examination |