CN107284431A - A kind of active three safe margins high thrust electronics power brake actuator - Google Patents
A kind of active three safe margins high thrust electronics power brake actuator Download PDFInfo
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- CN107284431A CN107284431A CN201710540336.0A CN201710540336A CN107284431A CN 107284431 A CN107284431 A CN 107284431A CN 201710540336 A CN201710540336 A CN 201710540336A CN 107284431 A CN107284431 A CN 107284431A
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- brake
- motor
- active
- manpower
- high thrust
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- 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
- B60T13/74—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 electrical assistance or drive
- B60T13/745—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 electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Disclosed by the invention is a kind of active three safe margins high thrust electronics power brake actuator, including manual machine effect partial, motor effect partial and the direct effect partial of manpower.A kind of three safe margin electronics servobrake actuator principal organ have：One ball-screw and feed screw nut, a parallel axes train, a planetary gear train, a trapezoidal screw and trapezoidal screw nut, a motor, it is characterised in that：Manpower amplification is compared so as to mechanical self-latching using lever ratio and planetary reduction gear；High thrust effect can be realized, the effect number of times of motor is reduced；There are three safe margins, the brake failure backup that mechanism braking brake that respectively manpower is realized by mechanical structure, the active brake of motor effect, manpower are directly acted on；The structure that the present invention is referred to can receive satellite-signal and sensor signal carries out emergency brake braking.
Description
Technical field
The present invention relates to field of automobile brake, it particularly relates to a kind of for a kind of active of motor vehicle braking system
Three safe margin high thrust electronics power brake actuators.
Background technology
Conventional braking systems have become a highly developed technology, but there is also some problems for the system：It is such as true
Empty booster volume ratio is larger, and power-assisted size is uncontrollable, it is impossible to cut off contacting for brake and manual operation.
The study hotspot of present motor vehicle braking system is mainly line control brake system, it be divided into EHB and
Mechanical type brake system electric.EMB eliminates conventional hydraulic brake piping, fast with response, the characteristics of simple in construction.But
Substantial amounts of electronic device is employed in EMB systems, therefore backup is excessively complicated when being failed in braking.So the present invention is not used
EMB form, and employ the pattern of EHB.
Pair summarized with the close patent of the present invention：A kind of electronic vehicle wires of Publication No. CN201410323183
Control brakes using planetary gear train slow down increase turn round again with ball-screw promote master cylinder, but in order to allow motor failure when manpower can
System is caused to become complicated there is provided high pressure accumulator increases the big oil circuit of system bulk change to act on, while high pressure accumulator meeting
Certain potential safety hazard is brought to system；The line traffic control and power-assisted that Publication No. CN201520180279 has manpower amplification are answered
The brakes for closing function is amplified using one hydraulic main cylinder of increase to manpower, and adding oil circuit and magnetic valve becomes system
Obtain complicated；A kind of new full decoupling electro-hydraulic energy assisted braking systems of Publication No. CN201610265555 use worm and gear
And pinion and rack, the rotary motion of motor is changed into linear motion, mechanism structure is more complicated.Motor self-locking is wherein utilized,
Power consumption and reliability is not as good as manual machine self-locking；A kind of electricity being used in motor vehicle braking system of Publication No. CN201611037510
Son control brake booster, uses motor and drives a pair of parallel shaft gear, then power is passed to feed screw nut, motor
Rotary motion is changed into linear motion.Space is saved, but this structure uses motor self-locking, power consumption and reliability is not as good as manpower machine
Tool self-locking.
The content of the invention
The present invention proposes a kind of active three safe margins high thrust electronics power brake actuator, it is possible to achieve machinery is certainly
Lock, mechanical braking, motor active brake, manpower such as directly brake at a variety of functions.
The purpose of the present invention is achieved through the following technical solutions：
A kind of active three safe margins high thrust electronics power brake actuator, it is characterised in that where the actuator
EHB including brake pedal, electronic control unit (ECU), active three safe margin as shown in figure 1, push away greatly
Power electronics power brake actuator, master cylinder fluid reservoir, hydraulic main cylinder, hydraulic control unit (HCU).The brake pedal and active
The safe margin high thrust electronics power brake actuator ball-screw of formula three is hinged；The active three safe margins high thrust electricity
Sub- power brake actuator is made up of mechanism part, motor effect partial, the direct effect partial of manpower, as shown in Figure 2；Institute
State ECU part receive brake pedal sensor signal and satellite-signal driving actuator in motor；The stress of the actuator
Bar 307 promotes hydraulic main cylinder piston；The hydraulic main cylinder is connected by fluid pressure line with HCU；The HCU is the liquid from master cylinder
Pressure distributes to four wheel wheel cylinders and carries out braking brake.
A kind of ball of the mechanism part of the active three safe margins high thrust electronics power brake actuator
Leading screw 101 is hinged with brake pedal, and ball-screw 101 is connected with ball-screw nut 102, brake disc 103 and ball-screw spiral shell
Mother 102 uses mode connects for screw, and brake disc 103 is connected with spline first 104 with spline, and nut 201 is connected with screw nut sleeve 202 with screw
Connect, feed screw nut, which is put, is provided with freewheel clutch 206, pedal input gear wheel 207 is installed on the outer of freewheel clutch 206
Side, pedal input gear wheel 207 is engaged with the gear of little gear 208, and little gear 208 is installed on gear shaft 210, gear with flat key
Gear on axle 210 is engaged with the gear of gear wheel 211, and the interference of gear wheel 211 is installed on rotor 301, sun turbin generator
Export the sun gear and planetary gear 309 on end cap 308 and the mode connects for screw of rotor 301, sun gear motor output end lid 308
Gear is engaged, and planet carrier 310 is connected with the spline of feed screw nut 307.
A kind of motor of active three safe margins high thrust electronics power brake performer motor effect partial is determined
Son 303 is connected with stator seat 304 with flat key, sun gear motor output end lid 308 and the mode connects for screw of rotor 301, the sun
Sun gear on turbin generator output end cap 308 is engaged with the gear of planetary gear 309, and planet carrier 310 connects with the spline of feed screw nut 307
Connect.
A kind of rolling of the direct effect partial of the active three safe margins high thrust electronics power brake actuator manpower
Ballscrew 101 is hinged with brake pedal, and ball-screw 101 is connected with ball-screw nut 102, brake disc 103 and ball-screw
The mode connects for screw of nut 102, installation end spherical bearing between brake disc 103 and thrust pad 105, ball-screw 101 and force rod 307
Use mode connects for screw.
The present invention is due to taking above technical scheme, with advantages below：
1. the active three safe margins high thrust electronics power brake actuator of one kind of the present invention has machinery certainly
Lock function.The motor depressing master cylinder when motor is acted on, what the present invention was utilized is mechanical self-latching rather than motor self-locking, makes system more
Plus firm and power saving.Detailed process is：Ride on pedal, pedal gear has a lever ratio, and pedal force is amplified.It is dynamic
Power is transferred in planetary gear train again, and planetary gear train has a step-down ratio, and pedal force is amplified.In lever ratio and planet
In the presence of train speed reducing ratio, initial pedal power obtains dual amplification, can directly pin motor housing, so as to realize machinery certainly
Lock function.
2. the active three safe margins high thrust electronics power brake actuator of one kind of the present invention can be realized greatly
The effect of thrust, by lever, when planetary gear train speed reducing ratio amplifies manpower, can meet need of the general brake condition to brake force
Ask, reduce the access times of motor, protect motor.
3. the active three safe margins high thrust electronics power brake actuator of one kind of the present invention has three safety
Remaining：The mechanical braking brake of mechanism manpower amplification, the brake of motor effect active brake, manpower directly act on failure backup.
There are three safe margins, improve the reliability and security of actuator.
4. a kind of ECU of active three safe margins high thrust electronics power brake actuator of the present invention can be received
Satellite-signal and sensor signal, the motor of driving braking executable portion, can be braked with brake hard under dangerous situation, ensured
Personal safety.
Brief description of the drawings
The active three safe margins high thrust electronics energy assisted braking system figures of Fig. 1.
The active three safe margins high thrust electronics power brake actuator structure schematic diagrames of Fig. 2.
Fig. 3 is Fig. 2 partial enlarged drawing.
The direct effect partial of 1- manpowers in figure, 101- ball-screws, 102- ball-screw nuts, 103- direct acting terminal pads,
104- spline heads, 105- thrust pads, 106- stage clips, 2- mechanisms part, 201- nuts, 202- screw nut sleeves, 203- bullets
Spring back-up ring, 204- end rings, 205- casing right end caps, 206- freewheel clutches, 207- pedals input gear wheel, 208- is small
Outside gear, 209- bearing (setting) plates, 210- gear shafts, 211- gear wheels, 3- motor effect partials, 301- rotors, 302-
In the middle part of shell, 303- motor stators, 304- stator seats, 305- leading screws, 306- force rods, 307- feed screw nuts, 308- sun gears electricity
Machine exports end cap, 309- planetary gears, 310- output planetary framves, 311- ring gear end caps.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
A kind of active three safe margins high thrust electronics power brake actuator, electro-hydraulic brake where the actuator
System is as shown in figure 1, including brake pedal, electronic control unit (ECU), active three safe margins high thrust electronics power-assisted
Brake actuator, master cylinder fluid reservoir, hydraulic main cylinder, hydraulic control unit (HCU).Brake pedal and active three safe margin are big
Thrust electronics power brake actuator is hinged with ball-screw；Active three safe margins high thrust electronics power brake actuator
It is made up of mechanism part, motor effect partial, the direct effect partial of manpower, as shown in Figure 2；ECU parts receive braking and stepped on
Motor in plate sensor signal and satellite-signal driving actuator；The force rod 307 of actuator promotes hydraulic main cylinder piston；Liquid
Pressure master cylinder is connected by fluid pressure line with HCU；Hydraulic coupling from master cylinder is distributed to four wheels and carries out braking brake by HCU.
A kind of ball-screw of the mechanism part of active three safe margins high thrust electronics power brake actuator
101 are hinged with brake pedal, and ball-screw 101 is connected with ball-screw nut 102, brake disc 103 and ball-screw nut 102
With mode connects for screw, brake disc 103 is connected with spline first 104 with spline, and nut 201 uses mode connects for screw with screw nut sleeve 202,
Feed screw nut, which is put, is provided with freewheel clutch 206, and pedal input gear wheel 207 is installed on the outside of freewheel clutch 206,
Pedal input gear wheel 207 is engaged with the gear of little gear 208, and little gear 208 is installed on gear shaft 210, gear shaft with flat key
Gear on 210 is engaged with the gear of gear wheel 211, and the interference of gear wheel 211 is installed on rotor 301, and sun turbin generator is defeated
The sun gear gone out on end cap 308 and the mode connects for screw of rotor 301, sun gear motor output end lid 308 and the tooth of planetary gear 309
Wheel engagement, planet carrier 310 is connected with the spline of feed screw nut 307.
A kind of motor stator 303 of active three safe margins high thrust electronics power brake performer motor effect partial
It is connected with stator seat 304 with flat key, sun gear motor output end lid 308 and the mode connects for screw of rotor 301, sun gear electricity
Sun gear on machine output end cap 308 is engaged with the gear of planetary gear 309, and planet carrier 310 is connected with the spline of feed screw nut 307.
A kind of ball wire of the direct effect partial of active three safe margins high thrust electronics power brake actuator manpower
Thick stick 101 is hinged with brake pedal, and ball-screw 101 is connected with ball-screw nut 102, brake disc 103 and ball-screw nut
102 use mode connects for screw, and installation end spherical bearing between brake disc 103 and thrust pad 105, ball-screw 101 is used with force rod 307
Mode connects for screw.
As shown in figure 3, a kind of active three safe margins high thrust electronics power brake actuator, has more than three kinds of safety
Degree, is divided into the normal brake application brake of manual machine effect, the failure that the active brake of motor effect is braked and manpower is directly acted on
Backup braking brake.Meanwhile, the actuator that the present invention is referred to has high thrust effect, mechanical self-latching function and receives satellite letter
Number, sensor signal carry out brake hard function.Performed respectively from active triplex redundance high thrust electronics power brake now
The above-mentioned functions of device carry out embodiment description.
1. mechanical self-latching function.The motor depressing master cylinder when motor is acted on, the present invention utilize be mechanical self-latching rather than
Motor self-locking, makes system more firm and power saving.Detailed process is：Ride on pedal, pedal gear has a lever ratio, right
Pedal force is amplified.Power is transferred in planetary gear train again, and planetary gear train has a step-down ratio, and pedal force is put
Greatly.In the presence of lever ratio and planetary gear train speed reducing ratio, initial pedal power obtains dual amplification, directly can pin outside motor
Shell, so as to realize mechanical self-latching function.
2. the characteristics of with high thrust：By lever, when planetary gear train speed reducing ratio amplifies manpower, can meet general braking
Situation reduces the access times of motor to the demand of brake force, protects motor.
3. three safe margins
(1) manpower is acted on：Ride on pedal, pedal gear has a lever ratio, and pedal force is amplified.Pedal connects
Ball-screw (101) is connect, power is transferred to parallel-axes gears by ball-screw (101) by a freewheel clutch (206)
(207,208,210,211) mechanism.Power is transferred on rotor (301) again, power is then transferred to planetary gear train
Sun gear (308).Power is inputted by sun gear (308), planet carrier (310) output, and trapezoidal nut has been done on planet carrier
(307).Trapezoidal nut (307) rotates, and drives trapezoidal screw (305) to move linearly, and being provided with spline on trapezoidal screw (305) enters
Row is oriented to.Trapezoidal screw (305) is mobile, promotes force rod (306) compression hydraulic master cylinder.Master cylinder is connected with HCU with oil pipe, hydraulic pressure
Power distributes to the wheel cylinder of four wheels by HCU, so as to carry out manual braking's brake.
(2) motor is acted on：Motor (301,303) receives the signal that ECU is sent, and rotor (301) starts to rotate, power
Sun gear (308) input through planetary gear train, planet carrier (310) output.There are trapezoidal nut (307), trapezoidal nut on planet carrier
(307) rotate, drive trapezoidal screw (305) to move linearly, being provided with spline on trapezoidal screw (305) is oriented to.Trapezoidal screw
(305) it is mobile, promote force rod (306) compression hydraulic master cylinder.Master cylinder is connected with HCU with oil pipe, and hydraulic coupling is distributed to by HCU
Four wheel wheel cylinders, so as to carry out active brake brake.
(3) when motor power-off, mechanical part are stuck, manpower can be braked directly by force rod (306) effect,
With failure backup functionality.Detailed process is：When driver runs into the motor power-off emergency stuck with mechanical part, drive
The person of sailing presses down with the foot lower pedal.Now due to the increase of manpower, the spring force produced by stage clip (106) rigidity is less than manpower, causes
Compress stage clip.(flower key length), braking terminal pad (103) and spline head when stage clip decrement is more than some value
(104) spline between mutually disengages manpower and can not be transferred to mechanical part and directly act on force rod (306).Promote stress
Bar (306) compression hydraulic master cylinder, master cylinder is connected by oil pipe with HCU, and hydraulic coupling distributes to four wheel wheel cylinders by HCU, from
And carry out manpower and directly act on braking brake.
4.ECU receives satellite-signal and sensor signal, the motor of driving braking executable portion, can be with dangerous situation
Brake hard is braked.
Claims (8)
1. a kind of active three safe margins high thrust electronics power brake actuator, it is characterised in that electricity where the actuator
Sub- brake fluid system includes brake pedal, electronic control unit (ECU), active triplex redundance high thrust electronics power brake and held
Row device, master cylinder fluid reservoir, hydraulic main cylinder, hydraulic control unit (HCU)；The brake pedal and active triplex redundance high thrust electricity
Sub- power brake actuator ball-screw is hinged；The active triplex redundance high thrust electronics power brake actuator is made by machinery
Constituted with part, motor effect partial, the direct effect partial of manpower；ECU part receive brake pedal sensor signal and
Motor in satellite-signal driving actuator；The force rod 307 of the actuator promotes hydraulic main cylinder piston；The hydraulic main cylinder
It is connected by fluid pressure line with HCU；Hydraulic coupling from master cylinder is distributed to four wheel wheel cylinders progress brakings and stopped by the HCU
Car.
2. according to a kind of active three safe margins high thrust electronics power brake actuator described in claim 1, its feature
It is that the structure can realize the effect of high thrust, when planetary gear train speed reducing ratio amplifies manpower by lever, general system can be met
Emotionally condition reduces the access times of motor to the demand of brake force, protects motor.
3. according to a kind of active three safe margins high thrust electronics power brake actuator described in claim 1, its feature
It is with mechanical self-latching function, the motor depressing master cylinder when motor is acted on, what the present invention was utilized is mechanical self-latching rather than electricity
Machine self-locking, makes system more firm and power saving, and detailed process is：Ride on pedal, pedal gear has a lever ratio, to stepping on
Plate power is amplified；Power is transferred in planetary gear train again, and planetary gear train has a step-down ratio, and pedal force is put
Greatly, in the presence of lever ratio and planetary gear train speed reducing ratio, initial pedal power obtains dual amplification, directly can pin outside motor
Shell, so as to realize mechanical self-latching function.
4. according to a kind of active three safe margins high thrust electronics power brake actuator described in claim 1, its feature
It is there are three safe margins：The mechanical braking brake of mechanism manpower amplification, the brake of motor effect active brake, manpower are direct
Effect failure backup, has three safe margins, improves the reliability and security of actuator.
5. according to a kind of three peaces of active three safe margins high thrust electronics power brake actuator described in claim 3
The mechanism of one of full remaining, it is characterised in that ride on pedal, pedal gear has a lever ratio, enters to pedal force
Row amplifies, and detailed process is：Pedal connection ball-screw (101), ball-screw (101) passes through a freewheel clutch (206)
Power is transferred to parallel-axes gears (207,208,210,211) mechanism, then power is transferred on rotor (301), after
And power being transferred to the sun gear (308) of planetary gear train, power is inputted by sun gear (308), planet carrier (310) output, OK
Trapezoidal nut (307) is done in carrier, trapezoidal nut (307) rotation drives trapezoidal screw (305) rectilinear movement, trapezoidal screw
(305) be provided with spline on to be oriented to, trapezoidal screw (305) is mobile, promote force rod (306) compression hydraulic master cylinder, master cylinder with
HCU is connected with oil pipe, and hydraulic coupling distributes to the wheel cylinder of four wheels by HCU, so as to carry out manual braking's brake.
6. according to a kind of three peaces of active three safe margins high thrust electronics power brake actuator described in claim 3
The motor effect of one of full remaining, it is characterised in that motor (301,303) receives the signal that ECU is sent, rotor (301)
Start to rotate, sun gear (308) input of the power through planetary gear train, planet carrier (310) output；There is trapezoidal nut on planet carrier
(307), trapezoidal nut (307) rotates, and drives and spline progress is provided with trapezoidal screw (305) rectilinear movement, trapezoidal screw (305)
It is oriented to, trapezoidal screw (305) is mobile, promotes force rod (306) compression hydraulic master cylinder, master cylinder is connected with HCU with oil pipe, hydraulic coupling
Four wheel wheel cylinders are distributed to by HCU, so as to carry out active brake brake.
7. according to a kind of three peaces of active three safe margins high thrust electronics power brake actuator described in claim 3
The manpower of one of full remaining is directly acted on, it is characterised in that when driver runs into motor power-off and stuck urgent of mechanical part
During situation, driver presses down with the foot lower pedal, and now due to the increase of manpower, the spring force produced by stage clip (106) rigidity is small
In manpower, cause stage clip to compress, when stage clip decrement is more than some value (flower key length), braking terminal pad (103) with
Spline between spline head (104) mutually disengages manpower and can not be transferred to mechanical part and directly act on force rod (306), pushes away
Dynamic force rod (306) compression hydraulic master cylinder, master cylinder is connected by oil pipe with HCU, and hydraulic coupling distributes to four vehicle wheels by HCU
Cylinder, so that carrying out manpower directly acts on braking brake.
8. according to a kind of active three safe margins high thrust electronics power brake actuator described in claim 1, its feature
It is, ECU receives satellite-signal and sensor signal, and the motor of driving braking executable portion can be urgent under dangerous situation
Braking brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540336.0A CN107284431B (en) | 2017-07-05 | 2017-07-05 | Active three-safety-redundancy high-thrust electronic power-assisted brake actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540336.0A CN107284431B (en) | 2017-07-05 | 2017-07-05 | Active three-safety-redundancy high-thrust electronic power-assisted brake actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107284431A true CN107284431A (en) | 2017-10-24 |
| CN107284431B CN107284431B (en) | 2020-07-07 |
Family
ID=60100110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710540336.0A Active CN107284431B (en) | 2017-07-05 | 2017-07-05 | Active three-safety-redundancy high-thrust electronic power-assisted brake actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107284431B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806334A (en) * | 2017-12-08 | 2018-03-16 | 中山乐满石油设备有限公司 | Intelligent gas production system is opened between a kind of antifreeze regulation cut-off combination valve of full Wireless integrated electric |
| CN110341678A (en) * | 2019-07-30 | 2019-10-18 | 瑞立集团瑞安汽车零部件有限公司 | Integrated type electrical hydraulic braking power assisting device with planetary gear reducing mechanism |
| CN111288094A (en) * | 2018-12-07 | 2020-06-16 | 上海汽车集团股份有限公司 | Electronic clutch and release system thereof |
| CN113027953A (en) * | 2021-04-02 | 2021-06-25 | 重庆理工大学 | Two wheeler drive-by-wire braking structure |
| CN113511177A (en) * | 2021-08-09 | 2021-10-19 | 吉林东光奥威汽车制动系统有限公司 | Transmission device of electronic hydraulic brake boosting booster mechanism |
| CN114987420A (en) * | 2022-04-18 | 2022-09-02 | 江苏超力电器有限公司 | Line control actuating mechanism and redundancy control system |
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| CN104724097A (en) * | 2015-02-03 | 2015-06-24 | 北京航空航天大学 | Dual-motor drive-by-wire pressure sequence adjusting brake system |
| US20150219191A1 (en) * | 2014-01-31 | 2015-08-06 | Robert Bosch Gmbh | Transmission device for controlling the translational movement of an organ and brake system equipped with such a transmission device forming a brake booster |
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| US20150219191A1 (en) * | 2014-01-31 | 2015-08-06 | Robert Bosch Gmbh | Transmission device for controlling the translational movement of an organ and brake system equipped with such a transmission device forming a brake booster |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806334A (en) * | 2017-12-08 | 2018-03-16 | 中山乐满石油设备有限公司 | Intelligent gas production system is opened between a kind of antifreeze regulation cut-off combination valve of full Wireless integrated electric |
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| CN111288094A (en) * | 2018-12-07 | 2020-06-16 | 上海汽车集团股份有限公司 | Electronic clutch and release system thereof |
| CN110341678A (en) * | 2019-07-30 | 2019-10-18 | 瑞立集团瑞安汽车零部件有限公司 | Integrated type electrical hydraulic braking power assisting device with planetary gear reducing mechanism |
| CN113027953A (en) * | 2021-04-02 | 2021-06-25 | 重庆理工大学 | Two wheeler drive-by-wire braking structure |
| CN113511177A (en) * | 2021-08-09 | 2021-10-19 | 吉林东光奥威汽车制动系统有限公司 | Transmission device of electronic hydraulic brake boosting booster mechanism |
| CN114987420A (en) * | 2022-04-18 | 2022-09-02 | 江苏超力电器有限公司 | Line control actuating mechanism and redundancy control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107284431B (en) | 2020-07-07 |
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