WO2011138358A1 - Vorrichtung zum steuern einer elektro-pneumatischen bremseinrichtung - Google Patents
Vorrichtung zum steuern einer elektro-pneumatischen bremseinrichtung Download PDFInfo
- Publication number
- WO2011138358A1 WO2011138358A1 PCT/EP2011/057108 EP2011057108W WO2011138358A1 WO 2011138358 A1 WO2011138358 A1 WO 2011138358A1 EP 2011057108 W EP2011057108 W EP 2011057108W WO 2011138358 A1 WO2011138358 A1 WO 2011138358A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brake
- pressure
- regeneration
- control
- control unit
- Prior art date
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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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/004—Draining and drying devices
-
- 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
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
Definitions
- the invention relates to a device for controlling an electro-pneumatic brake device according to the preamble of claim 1.
- a compressed air supply and regeneration device To supply these subsystems with compressed air in the commercial vehicle usually a compressed air supply and regeneration device is provided with integrated air dryer.
- the compressed air supply and regeneration device generates and distributes compressed air, which is first freed of oil and dirt particles in the air dryer and then dried. This preparation of the compressed air is necessary, since otherwise the air humidity present in the compressed air and the oil and dirt particles would cause an increased loss of the connected compressed air supplied subsystems.
- the desiccant present in the air dryer in order to achieve a constant drying effect, must be freed of the stored moisture by a regeneration process when the absorption capacity of the desiccant is exhausted.
- One possibility to initiate such a regeneration method is to automatically initiate a regeneration phase when a predeterminable pressure level is reached, wherein the regeneration air, for example, flows back through the air dryer from the service brake circuits and escapes via a drain valve.
- a generic device for controlling an electro-pneumatic braking device is known for example from DE 602004010988 T2.
- a compressor that absorbs atmospheric air as Compressed air compressed and fed to a compressed air supply and regeneration device with integrated air dryer, which receives this compressed air and at least forwarded to at least one service brake circuit, wherein at least the following phases are provided: a) A load phase, which is maintained until the pressure of the compressed air reaches an upper cut-off pressure Has,
- control routines for controlling the control of the load, regeneration and discharge phase are provided by an electromagnetic valve device.
- This electromagnetic valve device generally comprises an electromagnetic Ablass Kunststoffventil for controlling a drain valve and an electromagnetic regeneration valve, wherein during the regeneration phase, the regeneration valve and simultaneously or in short time interval and the Ablass horrventil each energized to the required for the regeneration of an air dryer air from the service brake circuits to let the air dryer flow.
- the regeneration air absorbs stored oil and dirt particles and moisture in the air dryer and removes them via the drain valve from the system.
- the invention is based on the object, a device for controlling an electro-pneumatic braking device of the type mentioned in such a way that for the braking device higher reliability with as little effort is achieved.
- the invention is based on the idea that the brake control unit contains at least two mutually monitoring microprocessors and that the control routines for controlling the load, regeneration and release phase are implemented in a brake control unit of the electro-pneumatic braking device. Because of the present in the brake control unit at least two mutually monitoring microprocessors can then be prevented that by a possible malfunction of one of the microprocessors, the compressed air supply and regulation device assumes hazardous states. Brake control devices of conventional electro-pneumatic brake devices usually have at least two mutually monitoring microprocessors, so that no additional hardware for implementing the invention is necessary.
- the load, regeneration and relief phase can be controlled and / or the lower switch-on pressure and / or the upper switch-off pressure can be adjusted by the control routines implemented in the brake control unit depending on operating conditions of the vehicle, wherein the respectively present operating state by the brake control device in the context of the brake function associated sensors such as brake pressure sensors, wheel speed sensors, engine speed sensor, etc. is detected.
- controllability of the load, regeneration and release phase is to be understood, in particular, as the times at which the corresponding phase is started or ended or else the time during which the relevant phase is active or inactive.
- the sensors assigned to the brake control unit in the context of the respective brake function are understood to be sensors which record measured variables such as pressures, times, rotational speeds, etc., as required for carrying out a brake function (eg ABS, brake pressure control in the context of an electronic brake system, traction control system, ACC) the brake control unit are needed.
- a brake function eg ABS, brake pressure control in the context of an electronic brake system, traction control system, ACC
- the signals of the brake control unit for performing brake functions such as ABS, brake pressure control, etc., anyway assigned sensors can be used at the same time to control the compressed air supply and regeneration without this would have to take place its own data transfer between separate ECUs.
- the brake system data to execute provide braking functions in the broadest sense, such as for execution of brake slip controlled or brake pressure controlled braking, are already present in a memory of the brake control unit and can then be used there in terms of multiple use directly to control the compressed air supply and regeneration device.
- the electro-pneumatic brake device comprises a brake slip control (ABS)
- the brake control unit is an ABS brake control unit and designed to receive data from sensors of the ABS brake system regarding activation of the brake slip control (ABS) during a braking operation such as ABS control valve activities, ABS -Regular frequency, estimate the friction between the road and the wheel, etc. to receive and depending on these data, the load, regeneration and discharge phase and / or the adjustment of the lower switch-on pressure and the upper switch-off pressure to control.
- control routines implemented in the brake control unit are designed to abort or interrupt the regeneration phase during a brake slip control operation. Because during a brake slip control process, a relatively large amount of compressed air is usually required, but compressed air is withdrawn from the service brake circuits during the regeneration phase.
- the load or delivery phase is started as described above, and the upper cutoff pressure is increased from an initial value, so that the duration of the load or carry phase is prolonged, since this is only terminated when the pressure is the upper one Shutdown pressure has reached.
- the output value of the upper switch-off pressure can be, for example, a preset value, as determined by tests.
- the regeneration phase is then initiated or continued.
- the electro-pneumatic brake device may be according to a further embodiment, an electronic brake system (EBS) with a brake pressure control.
- the brake control unit is an EBS brake control unit and designed to receive data from sensors of the EBS brake system with regard to an activation of the electronic brake system (EBS).
- the control routines implemented in the brake control unit are then preferably designed to start a load phase as described above and to increase the upper cutoff pressure starting from an initial value, since an increased compressed air requirement exists during such a braking operation. If then the increased upper cut-off pressure is reached and the braking process is still ongoing, the regeneration phase is preferably started, for example during coasting or during a downhill. Subsequently, then the load or delivery phase can be started again.
- the electro-pneumatic braking device can be combined with a driver assistance system such as ACC (Adaptive Cruise Control).
- ACC Adaptive Cruise Control
- the control routines implemented in the brake control unit are designed to terminate the regeneration phase, to start the load phase and to increase the cutoff pressure starting from an initial value, if a danger situation is detected by the driver assistance system and the electric pneumatic braking device is reported. Because even in this case, an increased demand for compressed air is available.
- the single figure shows a schematic circuit diagram of cooperating with a multi-circuit protection valve compressed air supply and regeneration device according to a preferred embodiment of the invention. Description of the embodiment
- the figure shows a compressed air supply and regeneration device 1 of an electro-pneumatic brake system equipped for a trailer utility commercial vehicle with connected multi-circuit protection valve 2.
- the components of the compressed air supply and regeneration device 1 are preferably, as indicated by the dotted line, arranged in a housing 4.
- pneumatic lines are shown as solid lines, pneumatic control lines are shown as dashed lines and electrical lines are shown as double dotted dashed lines.
- the illustrated compressed air supply and regeneration device 1 includes electrically controllable solenoid valves 8 and 10, namely a drain control valve 8 and a regeneration control valve 10, each as a 3/2-way solenoid valve, a drain valve 8 pneumatically controllable discharge valve 12, a throttle 14th , Check valves 16 and 18 and an air dryer 20 with filter cartridge.
- the electronic control unit 6 is preferably not integrated in the housing 4 of the compressed air supply and regeneration device 1.
- the compressed air supply and regeneration device 1 can be supplied via a compressed air inlet 20 by a compressor, not shown here, or a forced ventilation inlet 24 with compressed air.
- the compressed air supply and regeneration device 1 supplied compressed air is first processed via a connected to the inputs 20, 24 supply line 26 in the air dryer 20, that is in particular cleaned of oil and dirt particles and humidity.
- the thus prepared compressed air is then passed via the check valve 18 and the continued supply line 26 to an (output) port 28 which is connected to an (input) port 36 of the multi-circuit protection valve 2.
- supply lines 26, for example are connected to a tire pressure monitoring system, for example, sensors 11, 30, 32.
- connection line 34 then leads from the connection 28 of the compressed air supply and regeneration device 1 to the connection 36 of the multi-circuit protection valve 2.
- This includes as integral components overflow valves 38, 38 ', 38 "and 38"' which are not of interest here, which are connected to a central one guided by the connection 36 Supply line 40 are connected.
- the spill valves 38, 38 ', 38 "and 38"' with circular connections 42, 44, 46, 48, 50 in connection of which, for example, the circuit terminals 42 and 44 to each a pressure medium supply per a service brake circuit (eg Vorderachs- and Hinterachsbetnebsbremsnik ), the circular connection 46 to a pressure medium supply of an air suspension, the circular connection 48 lead to a pressure medium supply of a trailer and the circular connection 50 to a pressure medium supply of a parking brake of the commercial vehicle.
- the circular connections 42, 44 for the two service brake circuits are each connected to an associated pressure sensor 52, 54 in order to measure the respective circuit pressure.
- a control connection of the drain valve 12 as well as a compressor control output 58 can be controlled by a pneumatic control line 56 brought up by the drain control valve 8 by venting depending on the switching state of the drain control valve 8.
- the control unit 6 is designed to control the regeneration valve 10 and the drain control valve 8, inter alia, depending on operating conditions of the commercial vehicle, wherein in the outflow state, the switching positions shown in the figure are taken, in which the pneumatic control line 56 from the Ablass horrventil 8 and a part of a the check valve 18 bypassing the bypass line 60 are connected by the regeneration valve 10 each with a vent. In the energized state, these solenoid valves 8, 10 take their switching positions, not shown, in which the bypass line 60 of the regeneration valve 10 and thus bypasses the check valve 18 and the drain control valve 8 connects the supply line 26 to the pneumatic control line 56.
- the discharge valve 12 is a 2/2-way valve controlled by the pressure in the pneumatic control line 56, whereby the supply line is interrupted with a vented control connection 26 with a bleed 62 and with a vented control connection.
- the drain valve 12 is disposed upstream of the air dryer 20 in the supply line 26.
- the bypass line 60 branches off from the supply line 26, via which the discharge control valve 8 is supplied with compressed air, upstream of the air dryer 20, the bypass line 60 opens into the supply line 26.
- the Druckl uftströmung bridging the check valve 18 has when switched regeneration valve 10 then the direction indicated by the arrow.
- the discharge control valve 8 is electrically actuated by the control unit 92 to apply pressure to the compressor control output 58 and also the pneumatic control connection of the discharge valve 12 via the pneumatic control line 56 or to block this pressure connection.
- the air dryer 20 may also be associated with a heater 64, which is intended in particular to prevent icing of the supply line 26.
- the compressed air conveyed by the compressor is conveyed to the air dryer 20 via the compressed air inlet 22 and the supply line 26. Downstream of the air dryer 20, the compressed air prepared in the air dryer 20 is then supplied via the supply line 26 to the multi-circuit protection valve 2. This load or funding phase is maintained until the of the Sensors 52, 54 of Betnebsbremsnike detectable pressure on the output side of the compressed air supply and regeneration device 1 exceeds an upper cut-off pressure.
- the supply line 26 is coupled via the drain valve 12 to the vent 62 and the regeneration air can flow back from the circular connections 42, 44 of the service brake circuits via the air dryer 20 through the drain valve 12 and the vent 62, wherein a desiccant disposed in the air dryer 20 is regenerated.
- the regeneration valve 10 and, at the same time or in a short time interval, the discharge control valve 8 are also transferred to their non-illustrated switching states by energizing.
- the Ablass horrventils 8 in its not dargestel switched state switching the pneumatic control line 56 and thereby the compressor control output 58 is vented by the pending in the supply line 26 compressed air and the drain valve 12 by venting a control terminal also brought into its switching state, not shown, so that not shown, am Compressor control output 44 connected compressor is transferred to its idle phase.
- the drain valve 58 Since the drain valve 58 is then switched to its passage position by venting its control port, the air required for regeneration of the circular connections 42, 44 of the two service brake circuits via the supply line 40, the connecting line 34, the supply line 26, the bypass line 60, the regeneration valve 10th , the throttle 52, the check valve 16, that is, bypassing the check valve 18 through the air dryer 20 and the drain valve 12 to the vent 62 to flow, where it leaves the compressed air system.
- the regeneration air in the air dryer 20 stores stored oil and dirt particles and moisture and removes them from the system.
- the control unit 6 switches on the pressure in the supply line 26 by simply energizing the drain control valve 8 the pneumatic control line 56, so that the compressor control output 44 vented and thus the compressor is transferred to its idling phase.
- control unit 6 or the other electrical system should have a fault such that the Ablas tenuventil 8 and the regeneration valve 10 are energized permanently, so are the Circuit connections 42, 44 of the two service brake circuits permanently vented, which can lead to an undesirable and dangerous brake failure.
- control routines for controlling the load, regeneration and release phase are implemented in a brake control device 6 of the electro-pneumatic brake system. Because such a brake control unit 6 has usually two microprocessors, so that in case of malfunction of a microprocessor, the further microprocessor recognizes this, issues a corresponding warning and the solenoid valves switches to a safe state or can take over the control routines of the compressed air supply and regulation device 1.
- the control routines implemented in the brake control unit 6 enable the load, regeneration and relief phase to be controlled and / or the lower switch-on pressure and / or the upper switch-off pressure to be adjusted in particular depending on operating conditions of the vehicle, the respective present operating state being selected by the brake control unit 6 in the context of FIG Brake function associated sensors 66 such as brake pressure sensors, wheel speed sensors, engine speed sensor, etc. is detected.
- the electro-pneumatic brake device comprises a brake slip control (ABS), in which case the brake control unit 6 is an ABS brake control unit and is designed to receive data from sensors regarding the activation of the brake slip control (ABS) during a braking operation such as ABS control valve activities, ABS -Regular frequency, estimate of the coefficient of friction between the road and the wheel to receive and depending on these data, the load, regeneration and relief phase and the Adjustment of the lower switch-on pressure and the upper switch-off pressure to control.
- ABS brake slip control
- control routines implemented in the brake control unit 6 are designed to interrupt or interrupt the regeneration phase during a brake slip control operation. Because during a brake slip control process, a relatively large amount of compressed air is usually required, but compressed air is withdrawn from the service brake circuits during the regeneration phase.
- the load or delivery phase is started as described above and the upper shutdown pressure is increased from an initial value, so that the duration of the load or delivery phase is extended, since this is only terminated when the pressure has reached the upper cut-off pressure.
- the output value of the upper switch-off pressure can be, for example, a preset value, as determined by tests.
- the regeneration phase is then initiated or continued.
- the electro-pneumatic brake device may also be an electronic brake system (EBS) with a brake pressure control according to another embodiment.
- the brake controller 6 is an EBS brake controller and configured to receive data from sensors regarding activation of the electronic brake system (EBS).
- the control routines implemented in the brake control unit 6 are then preferably designed to start the load phase described above during a braking process and to control the to increase upper cut-off pressure from an initial value, since during such a braking operation, there is an increased demand for compressed air. If then the increased upper cut-off pressure is reached and the braking process is still ongoing, the regeneration phase is preferably started, for example during coasting or during a downhill. Subsequently, then the load or delivery phase can be started again.
- the electro-pneumatic braking device can cooperate according to a further embodiment with a driver assistance system such as ACC (Adaptive Cruise Control).
- ACC Adaptive Cruise Control
- the control routines implemented in the brake control unit 6 are designed, for example, to cancel the regeneration phase, start the load phase and increase the shutdown pressure starting from an initial value if a dangerous situation is detected by the driver assistance system and reported to the electro-pneumatic brake device. Because even in this case, an increased demand for compressed air is available.
- the brake control unit 6 of the electro-pneumatic brake device receives a low compressed air demand representing signals, which is reported to it by the brake pressure sensors of the EBS brake system or the wheel speed sensors of the ABS brake system, the brake control unit 6 causes the Ablass tenuventil 8 is energized to over the then switched drain valve 12 to vent the supply line 26, which has a pressure drop in the supply line 26 result.
- the Compressor switched into its load or delivery phase to fill the pressure medium reserves of different circles.
- the ABS or EBS brake system can change this operating state by means of the pressure signals and the engine speed recognize and increase, for example, the upper shutdown pressure.
- the brake control unit 6 can cause a final regeneration phase to turn off the commercial vehicle with a regenerated air dryer in a parking position. Furthermore, the supply line 26 is then vented by the discharge valve 12 connected in the passage position, so that there is no risk of icing within the supply line 26.
- Last but not least, data about the load, regeneration and relief phases of the compressed air supply and regeneration device 1 which occurred during operation can be recorded and stored in a memory of the brake control device in order to detect, for example, excessive compressed air consumption or even a worn filter insert of the air dryer. In each case, a readable error message could then be generated for these cases.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112012028243-3A BR112012028243B1 (pt) | 2010-05-06 | 2011-05-04 | dispositivo para o controle de um dispositivo de freio eletropneumático |
EP11718068.7A EP2566733B1 (de) | 2010-05-06 | 2011-05-04 | Vorrichtung zum steuern einer elektro-pneumatischen bremseinrichtung |
CN201180022848.9A CN102883929B (zh) | 2010-05-06 | 2011-05-04 | 用于控制电动-气动制动装置的装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010019810 | 2010-05-06 | ||
DE102010019810.2 | 2010-05-06 | ||
DE102010020266.5 | 2010-05-11 | ||
DE201010020266 DE102010020266B4 (de) | 2010-05-11 | 2010-05-11 | Vorrichtung zum Steuern einer elektro-pneumatischen Bremseinrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011138358A1 true WO2011138358A1 (de) | 2011-11-10 |
Family
ID=44351475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/057108 WO2011138358A1 (de) | 2010-05-06 | 2011-05-04 | Vorrichtung zum steuern einer elektro-pneumatischen bremseinrichtung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2566733B1 (de) |
CN (1) | CN102883929B (de) |
BR (1) | BR112012028243B1 (de) |
WO (1) | WO2011138358A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2708429A1 (de) * | 2012-09-12 | 2014-03-19 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Druckluftsystem für ein Motorfahrzeug |
CN104321233A (zh) * | 2012-04-13 | 2015-01-28 | 克诺尔商用车制动系统有限公司 | 车辆用压缩空气处理装置及用于运行压缩空气处理装置的方法 |
CN112512881A (zh) * | 2018-08-02 | 2021-03-16 | 威伯科有限公司 | 具有部分解耦的tcv(欧洲驱控)的电动气动手刹(eph) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014108681B3 (de) * | 2014-04-11 | 2015-04-30 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Elektro-pneumatische Federspeicherbremseinrichtung eines Kraftfahrzeugs mit sprunghaftem Druckanstieg beim Bremslösen |
DE102014207526A1 (de) * | 2014-04-22 | 2015-10-22 | Robert Bosch Gmbh | Verfahren zur Betätigung einer hydraulischen Bremsanlage |
CN107878435A (zh) * | 2017-11-22 | 2018-04-06 | 克诺尔商用车系统(重庆)有限公司 | 一种汽车空气干燥器 |
DE102017129908A1 (de) * | 2017-12-14 | 2019-06-19 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Anordnung für ein Nutzfahrzeug |
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KR100947791B1 (ko) * | 2001-12-11 | 2010-03-15 | 콘티넨탈 테베스 아게 운트 코. 오하게 | 멀티-코어 중복 제어 컴퓨터 시스템, 모터 차량의 안전에 중요한 어플리케이션을 위한 컴퓨터 네트워크, 및 그 용도 |
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- 2011-05-04 EP EP11718068.7A patent/EP2566733B1/de active Active
- 2011-05-04 WO PCT/EP2011/057108 patent/WO2011138358A1/de active Application Filing
- 2011-05-04 BR BR112012028243-3A patent/BR112012028243B1/pt active IP Right Grant
- 2011-05-04 CN CN201180022848.9A patent/CN102883929B/zh active Active
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EP1529704A1 (de) * | 2003-11-10 | 2005-05-11 | Iveco S.p.A. | Verfahren und Vorrichtung zur Regelung der Trocknung und Regenerierung einer Lufttrocknungseinheit in einem pneumatisch-hydraulischen Bremssystem eines Fahrzeuges |
DE602004010988T2 (de) | 2003-11-10 | 2009-01-02 | Iveco S.P.A. | Verfahren und Vorrichtung zur Regelung der Trocknung und Regenerierung einer Lufttrocknungseinheit in einem pneumatisch-hydraulischen Bremssystem eines Fahrzeuges |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104321233A (zh) * | 2012-04-13 | 2015-01-28 | 克诺尔商用车制动系统有限公司 | 车辆用压缩空气处理装置及用于运行压缩空气处理装置的方法 |
EP2708429A1 (de) * | 2012-09-12 | 2014-03-19 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Druckluftsystem für ein Motorfahrzeug |
WO2014040932A1 (en) * | 2012-09-12 | 2014-03-20 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Compressed air system for a motor vehicle |
CN104736403A (zh) * | 2012-09-12 | 2015-06-24 | 克诺尔商用车制动系统有限公司 | 用于机动车辆的压缩空气系统 |
CN104736403B (zh) * | 2012-09-12 | 2017-05-10 | 克诺尔商用车制动系统有限公司 | 用于机动车辆的压缩空气系统 |
US10883482B2 (en) | 2012-09-12 | 2021-01-05 | Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh | Compressed air system for a motor vehicle |
CN112512881A (zh) * | 2018-08-02 | 2021-03-16 | 威伯科有限公司 | 具有部分解耦的tcv(欧洲驱控)的电动气动手刹(eph) |
CN112512881B (zh) * | 2018-08-02 | 2023-03-14 | 威伯科有限公司 | 具有部分解耦的tcv(欧洲驱控)的电动气动手刹(eph) |
Also Published As
Publication number | Publication date |
---|---|
BR112012028243A2 (pt) | 2016-08-02 |
CN102883929A (zh) | 2013-01-16 |
BR112012028243B1 (pt) | 2021-01-05 |
CN102883929B (zh) | 2015-08-19 |
EP2566733B1 (de) | 2015-04-08 |
EP2566733A1 (de) | 2013-03-13 |
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