CN111197628A - Electromechanical hydraulic control air pressure boosting device of intelligent clutch system - Google Patents
Electromechanical hydraulic control air pressure boosting device of intelligent clutch system Download PDFInfo
- Publication number
- CN111197628A CN111197628A CN202010120437.4A CN202010120437A CN111197628A CN 111197628 A CN111197628 A CN 111197628A CN 202010120437 A CN202010120437 A CN 202010120437A CN 111197628 A CN111197628 A CN 111197628A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- piston
- transmission device
- power assisting
- clutch
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/102—Actuator
- F16D2500/1026—Hydraulic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/104—Clutch
- F16D2500/10406—Clutch position
- F16D2500/10412—Transmission line of a vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/11—Application
- F16D2500/1107—Vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/512—Relating to the driver
- F16D2500/5122—Improve passengers comfort
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses an electromechanical hydraulic control air pressure boosting device of an intelligent clutch system and an automobile provided with the electromechanical hydraulic control air pressure boosting device, which comprises a driving motor (1), a transmission device (2), a hydraulic transmission device (3), a power assisting device (4) and a hydraulic control device (5), the drive motor (1) provides a rotary motion, the transmission device (2) converts the rotary motion into a linear motion, and transmitted to the hydraulic transmission device (3), the hydraulic control device (5) controlling the booster device (4) according to the hydraulic pressure of the hydraulic transmission device (3), the hydraulic transmission device (3) and the power assisting device (4) act on a separation shifting fork shaft (6) of the automobile clutch together to realize separation and combination of the clutch. It is more convenient than manual to compare the pure pneumatic control device or the pure hydraulic control device of current AMT, its control accuracy and reaction time are better.
Description
Technical Field
The application relates to an electromechanical hydraulic control pneumatic power assisting device of an intelligent clutch system, in particular to an electromechanical hydraulic control pneumatic power assisting device of an intelligent clutch system in an automobile transmission system.
Background
At present, compared with a Mechanical Transmission (MT), an Automatic Mechanical Transmission (AMT) has an obvious advantage in the aspect of driving strength, and especially, the AMT has an obvious advantage for buses, national roads or under a traffic jam condition.
In the use process of the existing MT vehicle, due to the requirement of frequently switching gears of the transmission, a clutch pedal needs to be frequently stepped on by the left foot of a driver, so that the clutch is separated and connected, the fatigue of a cab is easily caused, and the driving comfort is reduced.
In order to reduce the driving fatigue strength, an AMT vehicle is additionally provided with an electronic intelligent control system and an electromechanical hydraulic and pneumatic actuating mechanism on the basis of a traditional MT vehicle so as to automate the operation of a clutch and omit the operation of a clutch pedal. The clutch pedal is cancelled, and the clutch is controlled to be separated and combined by electric control, so that the purposes of freeing the left foot of the driver and reducing the fatigue strength of the driver are achieved.
However, the cost of the AMT is high, and the technology is not mature, so that the AMT system is not popularized in domestic road vehicles.
Disclosure of Invention
In order to solve the technical problem, the invention provides an electromechanical hydraulic control air pressure boosting device of an intelligent clutch system. The automatic separation and combination of the clutch are realized through electronic intelligent control.
Particularly, this application provides an electromechanical hydraulic control atmospheric pressure booster unit of intelligence clutching system, its characterized in that, it includes driving motor 1, transmission 2, hydraulic pressure transmission device 3, booster unit 4 and hydraulic control device 5, driving motor 1 provides rotary motion, transmission 2 will rotary motion converts linear motion into, and transmits in hydraulic pressure transmission device 3, hydraulic control device 5 foundation hydraulic pressure transmission device 3's hydraulic pressure comes the control booster unit 4, hydraulic pressure transmission device 3 with booster unit 4 acts on automobile clutch separation declutch shift shaft 6 together, realizes the separation and the combination of clutch.
In one embodiment, the electromechanical hydraulic control pneumatic power assisting device of the intelligent clutch system of the present application is characterized in that the hydraulic transmission device 3 has an output side hydraulic piston 3.4 and a motor end hydraulic piston 3.5 located at two ends of a liquid chamber, the motor end hydraulic piston 3.5 is coupled with an output shaft of the transmission device 2, the power assisting device 4 has a power assisting piston 4.1 and a push rod 4.3, the output side hydraulic piston 3.4 is connected with the power assisting piston 4.1 of the power assisting device 4, the power assisting piston 4.1 is coupled with the push rod 4.3 of the power assisting device 4, and the push rod 4.3 is coupled with a vehicle clutch load end separation fork so as to act on a vehicle clutch separation fork shaft 6.
In one embodiment, the electromechanical hydraulic control pneumatic power assisting device of the intelligent clutch system is characterized in that the hydraulic control device 5 is a hydraulic control two-position three-way control valve and is provided with a gas channel 5.1, a gas inlet 5.2 and a gas outlet 5.3, the gas channel 5.1 is connected with a gas chamber of the power assisting device 4, the gas inlet 5.2 is connected with compressed air stored in an automobile, and the gas outlet 5.3 is communicated with the atmosphere.
In one embodiment, the electromechanical hydraulically controlled pneumatic booster of the intelligent clutch system of the present application is characterized in that when the clutch is disengaged, the gas channel 5.1 is connected to the gas inlet 5.2, compressed air enters the booster 4 through the gas channel 5.1 to act on the booster piston 4.1, when the clutch is engaged, the gas channel 5.1 is connected to the gas outlet 5.3, and the compressed air in the booster 4 is exhausted to the atmosphere through the gas channel 5.1 and the gas outlet 5.3.
In one embodiment, the electromechanical hydraulically controlled pneumatic booster of the intelligent clutch system according to the present application is characterized in that a hydraulic control device 5 is connected to an oil passage 3.6 of the hydraulic transfer device 3 at the fluid chamber, and the hydraulic pressure in the hydraulic transfer device 3 acts on a control piston of the hydraulic control device 5 via the oil passage 3.6, so that the gas passage 5.1 is connected to the gas inlet 5.2 or to the gas outlet 5.3.
In one embodiment, the electromechanical hydraulic control pneumatic power assisting device of the intelligent clutch system of the present application is characterized in that the hydraulic transmission device 3 has a displacement sensor 3.2 for sensing a position change of an output side hydraulic piston 3.4 or a motor side hydraulic piston 3.5; and/or the booster 4 has a position sensor 4.2, which is arranged at the push rod 4.3 or at the booster piston 4.1 and is used for sensing the distance moved by the booster piston 4.1 or the push rod 4.3.
In one embodiment, the electro-mechanical hydraulically controlled pneumatic booster of the intelligent clutch system of the present application is characterized in that the transmission 2 is of a ball screw structure.
In one embodiment, the electro-mechanical hydraulic control pneumatic power assisting device of the intelligent clutch system of the present application is characterized in that the hydraulic transmission device 3 has a liquid discharge port 3.3, which is communicated with the atmosphere, for discharging air in the hydraulic cavity.
In one embodiment, the electro-mechanical hydraulically controlled pneumatic booster of the intelligent clutching system of the present application is characterized in that the hydraulic transfer device 3 has a reservoir cup 3.1 that is mounted directly to the hydraulic transfer device 3 or mounted elsewhere and coupled to the hydraulic transfer device 3 via an oil line.
The application also comprises an automobile provided with the electromechanical hydraulic control air pressure boosting device of the intelligent clutch system.
Compared with the prior art, the technical scheme of the invention has the following advantages: the MT vehicle generally adopts hydraulic gas power assistance, and hydraulic pressure of the MT vehicle is realized through a clutch pedal and a clutch master cylinder. Wherein, the foot-stepping force of the driver is converted into hydraulic pressure to control the air pressure boosting force. The scheme of the application can be directly applied to MT vehicles, and a clutch pedal mechanism is omitted, so that a driver does not need to operate a pedal. According to the scheme, the electric energy of the motor is converted into hydraulic pressure through controlling the motor, and the air pressure boosting is controlled. The shifting operation still employs conventional manual shifting. Compared with the pure pneumatic control device or the pure hydraulic control device of the conventional AMT, the control precision and the reaction time are better.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to derive other drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
The reference numbers in the figures denote:
1: a drive motor; 2: a transmission device; 3: a hydraulic transmission device; 3.1: a liquid storage oil cup; 3.2: displacement sensor, 3.3: liquid discharge port, 3.4: output side hydraulic piston, 3.5: motor end hydraulic piston, 3.6: an oil passage; 4: a booster device; 4.1: a booster piston; 4.2: a position sensor; 4.3: a push rod; 5: a hydraulic control device; 5.1: a gas channel; 5.2: an air inlet; 5.3: an exhaust port; 6: the automobile clutch separates the declutch shift shaft.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The embodiments in the present invention, other embodiments obtained by persons skilled in the art without any inventive work, belong to the protection scope of the present invention.
The main structure is as shown in fig. 1, the electromechanical hydraulic control pneumatic power assisting device of the intelligent clutch system comprises a driving motor 1, a transmission device 2, a hydraulic transmission device 3, a power assisting device 4 and a hydraulic control device 5. The electromechanical hydraulic control air pressure boosting device acts on the automobile clutch release declutch shift shaft 6.
The driving motor 1 is used as a motor driving device, can be a servo motor, and is connected with the transmission device 2. The transmission device 2 converts the rotary motion of the motor into a linear motion, and in the technical solution of the present application, a ball screw structure is preferred, and other transmission structures commonly used in the art, such as a screw transmission, a worm and worm transmission, a rack and pinion transmission, and the like, may also be used.
The hydraulic transmission device 3 is provided with a liquid storage oil cup 3.1, a displacement sensor 3.2, a liquid discharge port 3.3, an output side hydraulic piston 3.4, a motor end hydraulic piston 3.5 and an oil passage 3.6. The liquid storage cup 3.1 can be directly arranged on the hydraulic transmission device 3, or can be arranged at other places and is connected with the hydraulic transmission device 3 through an oil pipe. The displacement sensor 3.2 may be a non-contact magnetic induction structure for sensing a position change of the output side hydraulic piston 3.4 or the motor end hydraulic piston 3.5. The liquid outlet 3.3 is communicated with the atmosphere and is used for discharging air in the hydraulic cavity. The motor end hydraulic piston 3.5 is connected with the output shaft of the transmission device 2. The output side hydraulic piston 3.4 and the motor end hydraulic piston 3.5 are positioned at two ends of a liquid chamber of the hydraulic transmission device 3. The output-side hydraulic piston 3.4 is connected to a booster piston 4.1 of the booster 4. The oil passage 3.6 is connected to a hydraulic control device 5.
The booster 4 is a pneumatic booster provided with a booster piston 4.1, a position sensor 4.2, and a push rod 4.3. The booster piston 4.1 is coupled to a push rod 4.3. The push rod 4.3 is connected with a separation shifting fork at the clutch load end of the automobile. The position sensor 4.2 is arranged at the push rod 4.3 or the booster piston 4.1 and used for sensing the moving distance of the booster piston 4.1 or the push rod 4.3. The functional structure of the position sensor 4.2 is the same as 3.2. In the technical scheme of the application, two can be reserved simultaneously, and only one of them can be selected.
The hydraulic control device 5 is a hydraulic control two-position three-way control valve, which is provided with a gas channel 5.1, a gas inlet 5.2 and a gas outlet 5.3. The gas channel 5.1 is connected to the gas chamber of the booster 4, the gas inlet 5.2 is connected to the compressed air stored in the vehicle, and the gas outlet 5.3 is connected to the atmosphere.
The working principle of the electromechanical hydraulic control air pressure boosting device of the intelligent clutch system is as follows:
when the device works, the driving motor 1 is electrified, the rotary motion of the motor is converted into linear displacement through the transmission device 2, and the output shaft of the transmission device 2 reciprocates.
When the clutch is disengaged, the driving motor 1 drives the transmission device 2 to drive the output shaft of the transmission device to drive the motor end hydraulic piston 3.5 to move rightwards together. In the process, under the reaction of the automobile clutch separating and pulling shaft 6, the hydraulic pressure in the hydraulic transmission device 3 is gradually increased, the hydraulic pressure acts on the control piston of the hydraulic control device 5 through the oil passage 3.6, the gas passage 5.1 is communicated with the gas inlet 5.2, the compressed air enters the power assisting device 4 through the gas passage 5.1 and acts on the power assisting piston 4.1, and the power assisting piston 4.1 drives the push rod 4.3 to move rightwards together to act on the automobile clutch separating and pulling shaft 6, so that the separation of the clutch is realized.
When the clutch is engaged, the drive motor 1 drives the transmission 2 so that its output shaft drives the motor-end hydraulic piston 3.5 together to the left. In the process, the hydraulic pressure in the hydraulic transmission device 3 is gradually reduced, the pressure of a control piston acting on the hydraulic control device 5 is reduced through the oil passage 3.6, so that the air inlet 5.2 is disconnected, the air passage 5.1 is communicated with the air outlet 5.3, the compressed air in the power assisting device 4 is exhausted to the atmosphere through the air passage 5.1 and the air outlet 5.3, the power assisting piston 4.1 and the push rod 4.3 move leftwards together, and the clutch is connected.
In the technical scheme of this application, drive output side hydraulic piston 3.4 and move right or left together simultaneously in the in-process that helping hand piston 4.1 moved to keep traditional clutch operating system's follow-up nature. Meanwhile, the position sensor 3.2 or the position sensor 4.2 can feed back the position change of the hydraulic piston 3.5 or the push rod 4.3 at the motor end to the control system at any time so as to realize the accurate control of the separation and the engagement of the clutch.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The electromechanical hydraulic control air pressure boosting device is characterized by comprising a driving motor (1), a transmission device (2), a hydraulic transmission device (3), a boosting device (4) and a hydraulic control device (5), wherein the driving motor (1) provides rotary motion, the transmission device (2) converts the rotary motion into linear motion and transmits the linear motion to the hydraulic transmission device (3), the hydraulic control device (5) controls the boosting device (4) according to hydraulic pressure of the hydraulic transmission device (3), and the hydraulic transmission device (3) and the boosting device (4) act on a separation fork shaft (6) of an automobile clutch together to realize separation and combination of the clutch.
2. The electromechanical hydraulic control pneumatic power assisting device of the intelligent clutch system according to claim 1, characterized in that the hydraulic transmission device (3) is provided with an output side hydraulic piston (3.4) and a motor end hydraulic piston (3.5) which are positioned at two ends of a liquid chamber, the motor end hydraulic piston (3.5) is connected with an output shaft of the transmission device (2), the power assisting device (4) is provided with a power assisting piston (4.1) and a push rod (4.3), the output side hydraulic piston (3.4) is connected with the power assisting piston (4.1) of the power assisting device (4), the power assisting piston (4.1) is connected with the push rod (4.3) of the power assisting device (4), and the push rod (4.3) is connected with a vehicle clutch load end separation fork so as to act on a vehicle clutch separation fork shaft (6).
3. The electromechanical hydraulic control pneumatic power assisting device of the intelligent clutch system according to claim 1, characterized in that the hydraulic control device (5) is a hydraulic control two-position three-way control valve and is provided with a gas channel (5.1), a gas inlet (5.2) and a gas outlet (5.3), the gas channel (5.1) is connected with a gas chamber of the power assisting device (4), the gas inlet (5.2) is connected with compressed air stored in an automobile, and the gas outlet (5.3) is communicated with the atmosphere.
4. The electromechanical hydraulic control pneumatic power assisting device of the intelligent clutch system according to claim 3, characterized in that when the clutch is disengaged, the gas channel (5.1) is communicated with the air inlet (5.2), compressed air enters the power assisting device (4) through the gas channel (5.1) and acts on the power assisting piston (4.1), when the clutch is engaged, the gas channel (5.1) is communicated with the air outlet (5.3), and the compressed air in the power assisting device (4) is exhausted to the atmosphere through the gas channel (5.1) and the air outlet (5.3).
5. Electro-mechanical-hydraulic-control-pneumatic-power-assisting device of an intelligent clutch system according to claim 4, characterized in that a hydraulic control device (5) is connected with an oil passage (3.6) of the hydraulic transmission device (3) at a liquid chamber, and hydraulic pressure in the hydraulic transmission device (3) acts on a control piston of the hydraulic control device (5) through the oil passage (3.6) so that the gas passage (5.1) is communicated with the gas inlet (5.2) or communicated with the gas outlet (5.3).
6. Electro-mechanical-hydraulic-control-pneumatic-power-assisting device of an intelligent clutch system according to claim 2, characterized in that the hydraulic transmission device (3) is provided with a displacement sensor (3.2) for sensing the position change of an output-side hydraulic piston (3.4) or a motor-end hydraulic piston (3.5); and/or the booster device (4) is provided with a position sensor (4.2) which is arranged at the push rod (4.3) or the booster piston (4.1) and is used for sensing the moving distance of the booster piston (4.1) or the push rod (4.3).
7. Electro-mechanical-hydraulic-control-pneumatic-power-assisting device of an intelligent clutch system according to claim 1, characterized in that the transmission device (2) is of a ball screw structure.
8. Electro-mechanical-hydraulic-control-pneumatic-power-assisting device of an intelligent clutch system according to claim 1, characterized in that the hydraulic transmission device (3) is provided with a liquid outlet (3.3) which is communicated with the atmosphere and is used for discharging air in the hydraulic cavity.
9. Electro-mechanical hydraulic control pneumatic booster of intelligent clutching system according to claim 1, characterized in that the hydraulic transfer device (3) has a reservoir oil cup (3.1) that is mounted directly to the hydraulic transfer device (3) or mounted elsewhere and coupled to the hydraulic transfer device (3) through an oil line.
10. An automobile equipped with an electro-mechanical hydraulically controlled pneumatic booster of the intelligent clutch system of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010120437.4A CN111197628A (en) | 2020-02-26 | 2020-02-26 | Electromechanical hydraulic control air pressure boosting device of intelligent clutch system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010120437.4A CN111197628A (en) | 2020-02-26 | 2020-02-26 | Electromechanical hydraulic control air pressure boosting device of intelligent clutch system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111197628A true CN111197628A (en) | 2020-05-26 |
Family
ID=70747271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010120437.4A Pending CN111197628A (en) | 2020-02-26 | 2020-02-26 | Electromechanical hydraulic control air pressure boosting device of intelligent clutch system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111197628A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879459A (en) * | 2021-02-03 | 2021-06-01 | 浙江师范大学行知学院 | Intelligent clutch system air pressure power assisting device based on electromechanical-hydraulic control |
-
2020
- 2020-02-26 CN CN202010120437.4A patent/CN111197628A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879459A (en) * | 2021-02-03 | 2021-06-01 | 浙江师范大学行知学院 | Intelligent clutch system air pressure power assisting device based on electromechanical-hydraulic control |
| CN112879459B (en) * | 2021-02-03 | 2022-05-20 | 浙江师范大学行知学院 | Intelligent clutch system air pressure power assisting device based on electromechanical-hydraulic control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107804308B (en) | Brake master cylinder with parking and service braking functions and braking method thereof | |
| CN105346531B (en) | Collect master cylinder line control brake system in pairs | |
| CN100494724C (en) | Heavy vehicle clutch automatic control system | |
| US20130199364A1 (en) | Coupling device for connecting a brake input element to a main brake cylinder and method for operating such a coupling device | |
| GB2484584A (en) | Brake actuating system having a spring between an actuating element and an ouput piston | |
| CN108189826A (en) | Suitable for the full decoupling formula mechano-electronic energy assisted braking system of Brake energy recovery | |
| CN103950445A (en) | Hydraulic double-motor driving electronic hydraulic braking system | |
| CN102267450B (en) | Electro-hydraulic control type braking power assisting device | |
| CN103359096A (en) | Hydraulic braking control device applicable to braking energy recovery | |
| CN113002509B (en) | Multifunctional dual-motor redundant braking system and control method | |
| CN212028375U (en) | Electromechanical hydraulic control air pressure boosting device of intelligent clutch system and automobile | |
| CN111197628A (en) | Electromechanical hydraulic control air pressure boosting device of intelligent clutch system | |
| CN113002508B (en) | Dual-motor redundant braking system with integrated pressure regulating unit and control method | |
| CN102155502A (en) | Clutch control system with emergency pattern | |
| CN109159775A (en) | A kind of electric mechanical supercharge control system and its control method | |
| JP2001510761A (en) | Hydraulic brake booster / master cylinder unit | |
| CN115402283B (en) | Mechanical and hydraulic double-regulation type line control braking system and control method thereof | |
| CN113492817A (en) | Vehicle braking system and vehicle | |
| CN100572128C (en) | Hydraulic transmission energy accumulation vehicle | |
| CN109927693A (en) | Braking system and vehicle | |
| CN213228597U (en) | Electric control hydraulic power-assisted brake system | |
| CN212654334U (en) | Device for realizing pressure maintaining parking function by utilizing hydraulic braking system and ball valve | |
| CN1291948A (en) | Driving device | |
| CN210101610U (en) | Braking system and vehicle | |
| CN213502255U (en) | Line control brake system of high-efficient safe parking braking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |