CN109720318A - Vacuum booster, braking system and automobile - Google Patents

Vacuum booster, braking system and automobile Download PDF

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Publication number
CN109720318A
CN109720318A CN201910078537.2A CN201910078537A CN109720318A CN 109720318 A CN109720318 A CN 109720318A CN 201910078537 A CN201910078537 A CN 201910078537A CN 109720318 A CN109720318 A CN 109720318A
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CN
China
Prior art keywords
push rod
vacuum booster
rod
braking
push
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
Application number
CN201910078537.2A
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Chinese (zh)
Inventor
卜凡
倪绍勇
江天保
王国强
滕冬冬
程煜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chery Automobile Co Ltd
Original Assignee
SAIC Chery Automobile Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SAIC Chery Automobile Co Ltd filed Critical SAIC Chery Automobile Co Ltd
Priority to CN201910078537.2A priority Critical patent/CN109720318A/en
Publication of CN109720318A publication Critical patent/CN109720318A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of vacuum boosters, braking system and automobile, the vacuum booster includes: vacuum booster ontology, first push rod, second push rod, pushing rod sleeve and elastic element, one end of the pushing rod sleeve is connected on the outer wall of the vacuum booster ontology, the first end of first push rod is inserted into the vacuum booster ontology, the second end of first push rod is coaxially inserted into one end of the pushing rod sleeve, the first end of second push rod is coaxially inserted into the other end of the pushing rod sleeve, the second end of second push rod with brake pedal for connecting, there is in the axial direction of first push rod gap between the end face of the first end of the end face of the second end of first push rod and second push rod, the elastic element is located in the pushing rod sleeve, the elastic element is pushed away with first push rod and described second Bar connection.The present invention can be reduced the number of master cylinder starting, reduce energy consumption.

Description

Vacuum booster, braking system and automobile
Technical field
The present invention relates to technical field of automobile parts, in particular to a kind of vacuum booster, braking system and automobile.
Background technique
In the car, to control brake pedal by manpower completely relatively elaborate, and therefore, many automobiles are equipped with vacuum servo Device facilitates driver easily to trample brake pedal by vacuum booster.
Current vacuum booster is mounted between brake pedal and master cylinder, and vacuum booster includes shell and film Piece, diaphragm will be divided into vacuum chamber and working chamber in shell, vacuum chamber is connected with vacuum source, and working chamber connects through air valve and atmosphere It is logical, it is connected between vacuum chamber and working chamber by vacuum valve.In non-brake state, air valve is closed and vacuum valve is opened, thus Pressure in vacuum chamber and working chamber keeps roughly the same, so that diaphragm keeps substantially static.In the braking state, due to driver Apply pressure on brake pedal, vacuum valve is closed at this time, and air valve is opened, and air is inhaled into working chamber.Therefore, working chamber In pressure be greater than the pressure in vacuum chamber, the pressure imbalance between vacuum chamber and working chamber causes diaphragm mobile.Braking master The piston of cylinder is connect by push rod with brake pedal, and the diaphragm in vacuum booster is fixed on the middle part of push rod, and diaphragm is moving Drive push rod mobile in dynamic process, so that the thrust for being subject to piston is greater than the power on brake pedal.
In braking, if necessary to lesser brake force, it is only necessary to slightly trample brake pedal, but at this time still using braking Master cylinder brakes the loss that can be generated biggish energy consumption and increase master cylinder to automobile, is unfavorable for energy conservation.
Summary of the invention
The embodiment of the invention provides a kind of vacuum booster, braking system and automobiles, can be reduced master cylinder starting Number reduces energy consumption.The technical solution is as follows:
On the one hand, the embodiment of the invention provides a kind of vacuum booster, the vacuum booster includes: vacuum booster Ontology, the first push rod, the second push rod, pushing rod sleeve and elastic element, one end of the pushing rod sleeve are connected to the vacuum booster On the outer wall of ontology, the first end of first push rod is inserted into the vacuum booster ontology, and the of first push rod Two ends are coaxially inserted into one end of the pushing rod sleeve, and the first end of second push rod is coaxially inserted into the another of the pushing rod sleeve In one end, the second end of second push rod with brake pedal for connecting, the end face of the second end of first push rod and institute State has gap between the end face of the first end of the second push rod in the axial direction of first push rod, and the elastic element is located at described In pushing rod sleeve, the elastic element is connect with first push rod and second push rod.
In an implementation of the embodiment of the present invention, the end face of the first end of second push rod is equipped with cyclic annular convex Platform, the annular boss are set on first push rod.
In another implementation of the embodiment of the present invention, first push rod has the shaft shoulder, and the elastic element is Spring, the spring pocket is on first push rod, and the spring is between the shaft shoulder and the annular boss.
In another implementation of the embodiment of the present invention, the second end of first push rod is equipped with push-rod hole, described The internal diameter of push-rod hole is identical as the outer diameter of second push rod, and second push rod is inserted into the push-rod hole, the gap Between the end face of the first end of second push rod and the bottom surface of the push-rod hole.
In another implementation of the embodiment of the present invention, the elastic element is spring, second push rod it is outer Wall is equipped with stop lug, and the spring is set on second push rod, one end of the spring and the stop lug phase It supports, the other end of the spring and the end face of the second end of first push rod offset.
In another implementation of the embodiment of the present invention, the vacuum booster further includes pedal connecting fork, described Pedal connecting fork is connect with the second end of second push rod.
On the other hand, in a kind of braking system of the embodiment of the present invention, the braking system includes true as previously described Empty booster.
In an implementation of the embodiment of the present invention, the braking system further include: master cylinder and for for institute It states master cylinder and the liquid storing tank braking of brake fluid, the first end and the piston phase of the master cylinder of first push rod is provided It supports.
Another aspect, in a kind of automobile of the embodiment of the present invention, the automobile includes vacuum booster as previously described.
In an implementation of the embodiment of the present invention, the automobile further include: braking motor and control unit, it is described Control unit exports brake force for the braking motor according to the position control of brake pedal, and the braking motor is for exporting Brake force is to wheel.
Technical solution provided in an embodiment of the present invention has the benefit that
One end of the first push rod is inserted into vacuum booster ontology in the embodiment of the present invention, the second push rod and the first push rod It is coaxially inserted into pushing rod sleeve, wherein the other end of the second push rod is connect with brake pedal, driver can be by pushing the Two push rods push the first push rod mobile.Since there are gaps between the first push rod and the second push rod, i.e., the first push rod is pushed, It then needs to push the mobile one section of clearance distance of the second push rod, example is applied in the invention of this reality can be using motor etc. within this section of off time Braking member provides brake force for automobile, just pushes the first push rod after the second push rod moves clearance distance, passes through again at this time Master cylinder provides brake force for automobile, can reduce the initiation culture of master cylinder in this way, to achieve the purpose that reduce energy consumption. And when slightly trample brake pedal and the second push rod fail mobile space apart from when, master cylinder not will start work then, i.e., Work can be started to avoid master cylinder, master cylinder is also avoided to generate biggish loss, protection braking master because of frequent starting Cylinder.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of structural schematic diagram of braking system provided in an embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of vacuum booster provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of another vacuum booster provided in an embodiment of the present invention;
Fig. 4 is a kind of schematic diagram of the braking principle of automobile provided in an embodiment of the present invention.
Each symbol indicates that meaning is as follows in figure:
1- vacuum booster ontology, the first push rod of 2-, the second push rod of 3-, 31- stop lug, 32- annular convex platform, 4- push rod Set, 5- elastic element, 6- push-rod hole, 7- pedal connecting fork, 8- master cylinder, 9- liquid storing tank braking.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
Fig. 1 is a kind of structural schematic diagram of braking system provided in an embodiment of the present invention, and Fig. 2 is that the embodiment of the present invention provides A kind of vacuum booster structural schematic diagram.As shown in Figure 1, the side of the vacuum booster ontology 1 in braking system is equipped with Push-rod assembly for being connect with brake pedal.As shown in Fig. 2, the vacuum booster includes: vacuum booster ontology 1, first Push rod 2, the second push rod 3, pushing rod sleeve 4 and elastic element 5, one end of pushing rod sleeve 4 are connected to the outer wall of vacuum booster ontology 1 On, the first push rod 2 has opposite first end and second end, and the first end of the first push rod 2 is inserted into vacuum booster ontology 1 Interior, the second end of the first push rod 2 is coaxially inserted into one end of pushing rod sleeve 4, and the second push rod 3 has opposite first end and second End, the first end of the second push rod 3 are coaxially inserted into the other end of pushing rod sleeve 4, and the second end of the second push rod 3 with braking for stepping on Between the end face of the first end of plate connection, the second end of the first push rod 2 and end face and the second push rod 3 in the axial direction of the first push rod 2 With gap A, elastic element 5 is located in pushing rod sleeve 4, and elastic element 5 is connect with the first push rod 2 and the second push rod 3.
In the present embodiment, vacuum booster ontology may include shell and diaphragm, and diaphragm separates the inner space of shell For vacuum chamber and working chamber, vacuum chamber is connected with vacuum source, and working chamber is communicated with the atmosphere through air valve, vacuum chamber and working chamber it Between by vacuum valve be connected.Wherein the first push rod is inserted into the shell of vacuum booster, passes through the intracorporal diaphragm of shell and and film Piece is fixedly connected, i.e., also will drive the first putter action when diaphragm acts, so that the thrust for being subject to the first push rod is greater than system The power applied on dynamic pedal.
One end of the first push rod is inserted into vacuum booster ontology in the embodiment of the present invention, the second push rod and the first push rod It is coaxially inserted into pushing rod sleeve, wherein the other end of the second push rod is connect with brake pedal, driver can be by pushing the Two push rods push the first push rod mobile.Since there are gaps between the first push rod and the second push rod, i.e., the first push rod is pushed, It then needs to push the mobile one section of clearance distance of the second push rod, example is applied in the invention of this reality can be using motor etc. within this section of off time Braking member provides brake force for automobile, just pushes the first push rod after the second push rod moves clearance distance, passes through again at this time Master cylinder provides brake force for automobile, can reduce the initiation culture of master cylinder in this way, to achieve the purpose that reduce energy consumption. And when slightly trample brake pedal and the second push rod fail mobile space apart from when, master cylinder not will start work then, i.e., Work can be started to avoid master cylinder, master cylinder is also avoided to generate biggish loss, protection braking master because of frequent starting Cylinder.
Wherein, motor braking can be the braking that wheel is completed using the brake operation on motor driven wheel.This reality It applies in example, during being braked using master cylinder, motor can also pass through vehicle with auxiliary braking master cylinder together brake wheel The torque of wheel output is generated electricity and stores electric energy.And when using motor braking, the electric energy that motor then passes through power generation storage is Wheel braking, can effective and reasonablely using automobile brake when the energy that generates, compared to using master cylinder to brake completely Braking mode, the embodiment of the present invention can be reduced energy consumption when automobile brake, energy saving.
In some embodiments of the invention, as shown in Figure 1, the end face of the first end of the second push rod 3 is equipped with cyclic annular convex Platform 32, annular boss 32 are set on the first push rod 2.And the internal diameter of annular convex platform 32 is identical as the outer diameter of the first push rod 2.Its In, the outer diameter of annular convex platform 32 is identical as the internal diameter of pushing rod sleeve 4, to be the slide-and-guide of the second push rod 3.In the present embodiment, It is inserted by setting annular convex platform 32 and the cooperation of the first push rod 2, the first push rod 2 can be limited in the inner hole of annular convex platform 32 It is interior, it can prevent from deviating from each other during the second push rod 3 slides with the central axes of the first push rod 2.
Optionally, the first push rod 2 has the shaft shoulder, and elastic element 5 is spring, and spring pocket is on the first push rod 2, spring position Between the shaft shoulder and annular boss 32.Wherein, one end of spring and the shaft shoulder of the first push rod 2 offset, the other end and ring of spring The end face of shape boss 32 offsets.It is offseted in the end face of the first end of the end face and the second push rod 2 of the second end of the first push rod 2 Before, annular convex platform 32 can compressed spring, but the thrust is not enough to push the first push rod 2 mobile, when 3 mobile space of the second push rod away from It when offseting from rear and the first push rod 2, then will push the movement of the first push rod 2, to drive master cylinder 8 to work, export brake force.? After completing braking, the thrust of the second push rod 3 disappears, and the restoring force of spring pushes the first push rod 2 and the second push rod 3 to be located remotely from each other, And restore clearance distance, to reuse.
In other embodiments of the invention, as shown in figure 3, the second end of the first push rod 2 is equipped with push-rod hole 6, push rod The internal diameter in hole 6 is identical as the outer diameter of the second push rod 3, and the second push rod 3 is inserted into push-rod hole 6, and gap A is located at the second push rod 3 Between the end face of first end and the bottom surface of push-rod hole 6.Wherein, the outer diameter of the first push rod 2 is identical as the internal diameter of pushing rod sleeve 4, thus For the slide-and-guide of the first push rod 2.It, can be by the by setting push-rod hole 6 and the cooperation inserting of the second push rod 3 in the present embodiment Two push rods 3 are limited in push-rod hole 6, can be prevented mutual with the central axes of the first push rod 2 during the second push rod 3 slides Deviate.
Optionally, elastic element 5 is spring, and the outer wall of the second push rod 3 is equipped with stop lug 31, and spring is set in second On push rod 3, one end and the stop lug 31 of spring offset, and the other end of spring and the end face of the second end of the first push rod 2 offset. In the present embodiment, before the end face of first end of the second push rod 3 and the bottom surface of push-rod hole 6 offset, the backstop of the second push rod 3 is convex Edge 31 can compressed spring, but the thrust is not enough to push the first push rod 2 mobile, with the after 3 mobile space of the second push rod distance It when one push rod 2 offsets, then will push the movement of the first push rod 2, to drive master cylinder 8 to work, export brake force.It completes to brake Afterwards, the thrust of the second push rod 3 disappears, and the restoring force of spring pushes the first push rod 2 and the second push rod 3 to be located remotely from each other, and between recovery Stand-off distance is to reuse.
As shown in Figure 1, vacuum booster further includes pedal connecting fork 7, the second end of pedal connecting fork 7 and the second push rod 3 Connection.Wherein, pedal connecting fork 7 is threadedly coupled with the second end of the second push rod 3, is connect in pedal connecting fork 7 with the second push rod 3 After can be fastened by nut, prevent pedal connecting fork 7 to be detached from from the second push rod 3.
The embodiment of the invention provides a kind of braking systems, as shown in Figure 1, the braking system includes previously described vacuum Booster, master cylinder 8 and for providing the liquid storing tank braking 9 of brake fluid for master cylinder 8, the first end of the first push rod 2 with The piston of master cylinder 8 offsets.In the present embodiment, in conjunction with Fig. 1, the side of vacuum booster ontology 1 be provided with the first push rod 2, Second push rod 3 and pedal connecting fork 7, the other side of vacuum booster ontology 1 are provided with master cylinder 8 and liquid storing tank braking 9, The piston of middle master cylinder 8 and the first end of the first push rod 2 offset, in this way when the second push rod 3 pushes the first push rod 2 mobile, It is mobile that piston can be pushed, so that master cylinder 8 be driven to work, export brake force with braking vehicle.
The embodiment of the invention provides a kind of automobile, which includes previously described vacuum booster.
As shown in figure 4, automobile further include: braking motor 1h and control unit, control unit are used for according to brake pedal Position control braking motor 1h exports brake force, and braking motor 1h is for exporting brake force to wheel.In the present embodiment, control is single Member may include full-vehicle control unit 1f (Vehicle Control Unit, VCU) and micro-control unit 1g (Microcontroller Unit, MCU), wherein MCU directly acts on braking motor 1h, control braking motor 1h output braking Power then belongs to closed-loop control to wheel between VCU and MCU, VCU sends the brake force that braking motor 1h needs to export to MCU, and The braking motor 1h brake force that can actually export then is fed back to VCU by MUC.As shown in figure 4, VCU and brake-pedal travel sense There are information transmitting, processes between device 1a are as follows: brake-pedal-travel sensor 1a obtains the position of brake pedal, and VCU is according to system Brake force needed for the position analysis of dynamic pedal calculates automobile, then outputs signal to MCU, from MCU control braking motor 1h to Brake force needed for wheel 1j output.Above-mentioned braking process is that there are gap A (to brake between the first push rod and the second push rod The mobile range of pedal is smaller) in the case where realize wheel braking.And between being not present between the first push rod and the second push rod When gap A (i.e. the mobile range of brake pedal is larger), under the action of vacuum booster 1b, master cylinder 1c is also to the wheel of wheel Cylinder 1e exports brake force brake wheel 1j, and braking motor 1h can not work at this time or auxiliary braking master cylinder 1c brakes vehicle together Wheel.
In the present embodiment, automobile brake work can be divided into two sections of courses of work, and first segment is brake pedal idle stroke section (i.e. having gap A between the first push rod and the second push rod, the movement of brake pedal does not trigger master cylinder work), this section accounts for system 15% to 35% (such as 25%) of dynamic pedal total kilometres, it is defeated as braking source using braking motor 1h at this time without hydraulic braking Brake force out;Second segment is that (i.e. gap A between the first push rod and the second push rod is reduced to 0 to brake pedal real work section, system The mobile of dynamic pedal can trigger master cylinder work): this section accounts for 65% to 85% (such as 75%) of brake pedal total kilometres, this When master cylinder 1c hydraulic braking force increase as the stroke of brake pedal increases.The present embodiment utilizes slack of pedal section To slow down, reduces and master cylinder 1c offer hydraulic braking force is provided, to reduce energy consumption.
By brake pedal idle stroke section account for brake pedal total kilometres 25% for be illustrated, in conjunction with Fig. 4, automobile brake Overall procedure can be such that driver steps on brake pedal, brake-pedal-travel sensor 1a detects the stroke of brake pedal Position, if the travel position of detection brake pedal is within the 25% of brake pedal total kilometres, VCU is stepped on according to speed and braking The signal of plate stroke sensor 1a output is obtained by calculation the braking torque that braking motor 1h needs to export, realizes vehicle Small deceleration braking;If the travel position for detecting brake pedal is master cylinder 1c other than the 25% of brake pedal total kilometres Hydraulic braking force increase intervention, at this time the electric braking of braking motor 1h can with the hydraulic braking of master cylinder 1c ining conjunction with, reality The big retarding degree braking of existing vehicle.
Optionally, automobile can also include body electronics systems stabilisation 1d (Electronic Stability Program, ESP), which includes ABS (anti-lock braking system) and ASR (Anti-slip regulation transfers from one department to another to unite), it passes through to from each sensing The vehicle running state information that device transmits is analyzed, to help vehicle to maintain dynamic equilibrium.The system can make vehicle each Optimal stability is kept under kind situation, when ovdersteering or deficiency, rear-wheel grab ground deficiency, ESP can also control vehicle Wheel, which increases brake force or reduces brake force, allows car to advance according to the intention of driver, it is ensured that traffic safety.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present invention Within, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of vacuum booster, which is characterized in that the vacuum booster includes: vacuum booster ontology (1), the first push rod (2), one end of the second push rod (3), pushing rod sleeve (4) and elastic element (5), the pushing rod sleeve (4) is connected to the vacuum servo On the outer wall of device ontology (1), the first end of first push rod (2) is inserted into the vacuum booster ontology (1), and described the The second end of one push rod (2) is coaxially inserted into one end of the pushing rod sleeve (4), and the first end of second push rod (3) is coaxial It is inserted into the other end of the pushing rod sleeve (4), the second end of second push rod (3) is described for connecting with brake pedal In first push rod (2) between the end face of the first end of the end face of the second end of first push rod (2) and second push rod (3) There is gap (A) in axial direction, the elastic element (5) is located in the pushing rod sleeve (4), the elastic element (5) and described the One push rod (2) and second push rod (3) connection.
2. vacuum booster according to claim 1, which is characterized in that the end face of the first end of second push rod (3) It is equipped with annular boss (32), the annular boss (32) is set on first push rod (2).
3. vacuum booster according to claim 2, which is characterized in that first push rod (2) has the shaft shoulder, the bullet Property element (5) be spring, for the spring pocket on first push rod (2), the spring is located at the shaft shoulder and the ring Between shape boss (32).
4. vacuum booster according to claim 1, which is characterized in that the second end of first push rod (2) is equipped with and pushes away Rod aperture (6), the internal diameter of the push-rod hole (6) is identical as the outer diameter of second push rod (3), and second push rod (3) is inserted into In the push-rod hole (6), the gap (A) is located at the end face and the push-rod hole (6) of the first end of second push rod (3) Between bottom surface.
5. vacuum booster according to claim 4, which is characterized in that the elastic element (5) be spring, described second The outer wall of push rod (3) is equipped with stop lug (31), and the spring is set on second push rod (3), and the one of the spring End offsets with the stop lug (31), and the other end of the spring and the end face of the second end of first push rod (2) offset.
6. vacuum booster according to any one of claims 1 to 5, which is characterized in that the vacuum booster further includes Pedal connecting fork (7), the pedal connecting fork (7) connect with the second end of second push rod (3).
7. a kind of braking system, which is characterized in that the braking system includes such as vacuum as claimed in any one of claims 1 to 6 Booster.
8. braking system according to claim 7, which is characterized in that the braking system further include: master cylinder (8) and For for the master cylinder (8) provide brake fluid liquid storing tank braking (9), the first end of first push rod (2) with it is described The piston of master cylinder (8) offsets.
9. a kind of automobile, which is characterized in that the automobile includes such as vacuum booster as claimed in any one of claims 1 to 6.
10. automobile according to claim 9, which is characterized in that the automobile further include: braking motor and control unit, Described control unit exports brake force for the braking motor according to the position control of brake pedal, and the braking motor is used for Brake force is exported to wheel.
CN201910078537.2A 2019-01-28 2019-01-28 Vacuum booster, braking system and automobile Pending CN109720318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910078537.2A CN109720318A (en) 2019-01-28 2019-01-28 Vacuum booster, braking system and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910078537.2A CN109720318A (en) 2019-01-28 2019-01-28 Vacuum booster, braking system and automobile

Publications (1)

Publication Number Publication Date
CN109720318A true CN109720318A (en) 2019-05-07

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Application Number Title Priority Date Filing Date
CN201910078537.2A Pending CN109720318A (en) 2019-01-28 2019-01-28 Vacuum booster, braking system and automobile

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2130737A2 (en) * 2008-06-05 2009-12-09 Volkswagen AG Braking assembly for a motor vehicle
CN203974787U (en) * 2014-08-01 2014-12-03 李红朋 A kind of Novel pure electric vacuum booster electric brake pedal
CN106476777A (en) * 2015-08-24 2017-03-08 陈晶杰 Decoupling electro-hydraulic energy assisted braking system and braking method
CN107672577A (en) * 2017-11-01 2018-02-09 拿森汽车科技南通有限公司 A kind of Electric brake booster for automobile
CN109177946A (en) * 2018-11-02 2019-01-11 吉林大学 A kind of full decoupled formula integrated electronic brake fluid system of reactionless disk

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2130737A2 (en) * 2008-06-05 2009-12-09 Volkswagen AG Braking assembly for a motor vehicle
CN203974787U (en) * 2014-08-01 2014-12-03 李红朋 A kind of Novel pure electric vacuum booster electric brake pedal
CN106476777A (en) * 2015-08-24 2017-03-08 陈晶杰 Decoupling electro-hydraulic energy assisted braking system and braking method
CN107672577A (en) * 2017-11-01 2018-02-09 拿森汽车科技南通有限公司 A kind of Electric brake booster for automobile
CN109177946A (en) * 2018-11-02 2019-01-11 吉林大学 A kind of full decoupled formula integrated electronic brake fluid system of reactionless disk

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Application publication date: 20190507