CN101058311A - Booster braking device for automobile - Google Patents
Booster braking device for automobile Download PDFInfo
- Publication number
- CN101058311A CN101058311A CN 200610025880 CN200610025880A CN101058311A CN 101058311 A CN101058311 A CN 101058311A CN 200610025880 CN200610025880 CN 200610025880 CN 200610025880 A CN200610025880 A CN 200610025880A CN 101058311 A CN101058311 A CN 101058311A
- Authority
- CN
- China
- Prior art keywords
- assist motor
- brake
- automobile
- micro controller
- mouth
- 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
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention relates to a vehicle brake assistant system that comprises the brake pedal, master cylinder, assistant generator that pushes the master cylinder push rod to provide assistant force, with the said assistant generator rotary shaft fixed with the nut, and the nut with the lead screw that directly push the master cylinder. The lead screw and the master cylinder are linked in loose joint by ball hinges. The said brake pedal installs with pressure sensor to inspect the existence of the brake force to control brake assistance. It will not be affected by the working conditions of the vehicle engine.
Description
Technical field
The present invention relates to automotive technology, relate in particular to automobile power brake master cylinder.
Background technology
Along with the continuous minimizing of oil resources, the exploitation of the hybrid vehicle of fuel-saving environmental protection becomes the focus of auto trade.Hybrid vehicle belongs to electronlmobil, adopts traditional combustion engine and electrical motor as propulsion source, uses heat energy and electric energy two cover systems to start automobile by mixing.The maximum characteristics of hybrid power system are the complementary working modes of oil, electric engine.When starting or low speed driving, car only relies on driven by power, and this moment, engine petrol was closed, and the fuel consumption of vehicle is zero; When Vehicle Speed raise (generally reaching more than the 40km/h) or need urgent the acceleration, engine petrol and motor started and begin outputting power simultaneously; When car brakeing, hybrid power system can be converted into electric energy with kinetic energy, and uses when being stored in the storage battery in order to next low speed driving.
Because hybrid vehicle adopts two cover power systems, therefore has the work characteristics different with general-utility car.One of them cancels engine idling condition exactly.So-called engine idling condition is that mean engine does not outwards transmit power, only keeps self and annex (water pump, electrical generator, lubricating oil pump etc.) with stable and than the working condition of slow speed of revolution running.When this operating mode usually occurred in traffic congestion or vehicle neutral and slides, the driving engine of this moment also will consume certain fuel oil, and was big when the objectionable constituent ratio is also than normal vehicle operation in the discharge tail gas.Hybrid vehicle for fuel-economizing and emission abatement, can be forced engine off in this case usually, is referred to as to cancel engine idling condition.Because the cancellation engine idling condition has brought problem for the power brake of hybrid vehicle.
The power brake master cylinder overwhelming majority of using on the car is the vacuum servo formula at present, the size of its power-assisted effect depends on the height of degree of vacuum in the air intake branch of the engine, when engine off, owing to can't obtain degree of vacuum, to make braking lack power-assisted, make brake pedal become very heavy, cause the braking difficulty.
Fig. 1 illustrates the principle of force aid system for braking of the prior art.
Please referring to Fig. 1, the energy assisted braking system of prior art comprises brake pedal 11, vacuum booster 12, master brake cylinder 14, vacuum tracheae 13, vacuum valve 15.That described brake pedal 11 has is foot-operated 111, fixed rotating shaft 112 and the reinforcing end 113 that links with the push rod 121 of vacuum booster 12.The inlet side of described vacuum booster 12 connects described vacuum tracheae 13, and described vacuum tracheae 13 connects engine suction manifold 16 by vacuum valve 15.Engine suction manifold 16 is in the relative vacuum state behind engine ignition, because generally speaking, vacuum valve 15 is in off state, so the vacuum state of engine suction manifold 16 can not reach described vacuum booster 12.When foot-operated 111 be subjected to downward power after, brake pedal 11 is around fixed rotating shaft 112 rotations, its afterburning end 113 reinforcings are to the push rod 121 of described vacuum booster 12.Simultaneously, the action of brake pedal 11 can also be controlled vacuum valve 15 and opens.The vacuum state of described engine suction manifold 16 reaches the inlet side of described vacuum booster 12, the thrust that metallic diaphragm in the described vacuum booster 12 is subjected at push rod 121, and the inlet side of vacuum booster 12 be in vacuum state and produce air pressure assisted down, promote the push rod (figure does not show) of master brake cylinder 14, master brake cylinder 14 obtains retrothrust.
From the force aid system for braking of above-mentioned prior art as can be seen, under the prior art, the source of brake boost is the vacuum state that vacuum booster 12 inlet sides obtain.This vacuum state depends on the work of driving engine, if driving engine is not worked, then this brake system can't obtain brake boost.Because and hybrid vehicle often makes engine off for fuel-economizing, is in the state of described cancellation engine idling condition, can't provide brake boost this moment, and traffic safety is exerted an influence.
Summary of the invention
At above-mentioned defective, the technical matters that the present invention solves is, a kind of automobile brake force aid system is provided, and can both provide power-assisted to master brake cylinder no matter whether this force aid system for braking driving engine works.In addition, this energy assisted braking system also has simple in structure, the efficient height, and the advantage that cost is low can provide the brake power-assisted by more effective failure-free.
Automobile brake force aid system provided by the invention comprises brake pedal, master brake cylinder, has assist motor, and this assist motor promotes the master brake cylinder push rod at glancing impact, and brake boost is provided.
Preferably, the S. A. of described assist motor and nut fixed connection, this nut cooperates with leading screw, and described leading screw directly promotes the master brake cylinder push rod.
Preferably, described leading screw and master brake cylinder push rod flexibly connect with spherical linkage.
Preferably, the foot-operated pressure sensor that is equipped with of described brake pedal is used for detecting whether have braking force, according to testing result control providing for brake boost.
Preferably, describedly comprise according to power-assisted the providing of testing result control brake: when described pressure sensor testing result showed braking force more than or equal to the limit value set, the motor forward rotation provided brake boost; When described pressure sensor testing result showed braking force less than the limit value set, the assisted electric machine stopped operating or does not rotate; Equal zero when described sensor result shows braking force, then the initial position is got back in the assist motor counter-rotating.
Preferably, this automobile brake force aid system has the assist motor controller, and it receives the detected value of described pressure sensor, carries out the judgement of the relation of described braking force and limit value according to detected value, and carries out described control to assist motor work.
Preferably, the kernel control chip of described assist motor controller is a micro controller system.
Preferably, described pressure sensor connects the first analogue to digital conversion mouth of described micro controller system by op amp; The second analogue to digital conversion mouth of described micro controller system connects the voltage of the described limit value of expression; This micro controller system by the input of reading above-mentioned analogue to digital conversion mouth after, carry out the judgement that concerns between described braking force and the limit value; First mouth of described micro controller system, second mouth connect the control end of first power transistor, second largest power transistor respectively; Described first power transistor is connected between positive supply and described assist motor first power end; Described second largest power transistor is connected between first power end of negative supply and described assist motor; The second source end of described assist motor connects power supply ground; This micro controller system is by controlling motor positive and inverse from first mouth, second mouth output high-low level.
Preferably, described high power transistor is a metal oxide semiconductor field effect tube; Drain electrode connection+12V the voltage of described first power transistor, source electrode connects first power end of described assist motor; The drain electrode of described second largest power transistor connects first power end of described assist motor, source electrode connection-12V voltage.
Preferably, this energy assisted braking system has warning circuit; Comprise alarm lamp and alarming horn by described micro controller system mouth control; And the relevant detection circuit, described testing circuit is used to detect the service condition of this energy assisted braking system, and testing result is offered the micro controller system confession, and it judges the working condition of this automobile energy assisted braking system; If during the working condition mal of this energy assisted braking system, then report to the police by warning circuit.
Energy assisted braking system provided by the invention is compared in prior art, has following advantage:
1, this energy assisted braking system is not subjected to the influence of automotive engine working condition.
Under the prior art, the source of brake boost is the vacuum state that vacuum booster obtains, and this vacuum state must from the inlet manifold acquisition of driving engine, therefore, under the prior art, will make the brake boost forfeiture when driving engine is not worked when engine operation.For the hybrid vehicle of cancellation idling operation, driving engine can frequently quit work, and brake boost will frequently be lost.Among the present invention, brake boost is from assist motor independently, and the work of this assist motor is not subjected to the influence of engine working conditions, the situation of brake boost can not occur losing.
2, the physical construction of this energy assisted braking system is simple, and is easy to maintenance.
Because the brake boost of prior art need also need to control the valve between vacuum booster and the driving engine by vacuum booster, complicated in mechanical structure, control difficulty height, and parts such as vacuum booster break down easily.The present invention adopts motor directly to promote the master brake cylinder push rod, directly realizes power-assisted, and its machinery machinery is directly simple.Therefore, brake booster failure rate of machinery provided by the invention is low, easy to maintenance.
3, preferred implementation of the present invention can realize control more flexibly to brake boost.
Because the present invention adopts electric elements to realize brake boost, makes this force aid system for braking can have mode more flexibly.In the preferred implementation of the present invention, the selection pressure sensor carries out the detection of braking force as detecting element, use micro controller system as core control element control motor, be this force aid system for braking mode flexibly of providing convenience, for example, this energy assisted braking system can be reconciled power-assisted size as requested easily.By setting a limit value that is used to determine when brake pedal bears great braking force, to begin to provide brake boost, can be controlled at easily under the situation of great braking force and begin to provide brake boost, meet the different needs.When prior art then can't to providing brake boost to control.Under above-mentioned preferred real-time mode, multiple detection mode can also be set and warning device is set, realize detection and auto alarm to the force aid system for braking mode of operation.
Description of drawings
Fig. 1 is the principle of the force aid system for braking of prior art;
Fig. 2 is the structure principle chart of first embodiment of the invention;
Fig. 3 is the electrical appliance part schematic diagram of first embodiment of the invention;
Fig. 4 is the workflow diagram of first embodiment of the invention of the present invention.
The specific embodiment
Please, be the structure principle chart of first embodiment of the invention referring to Fig. 2.
Fig. 2 illustrates, and this automobile brake force aid system comprises brake pedal 21, assist motor 22, master brake cylinder 24, pressure sensor 25 and assist motor controller 28.
Described brake pedal 21 1 ends ride 211 for the reception actuating force, and the other end is a fixed rotating shaft 212; Brake pedal 21 also has the end 213 of exerting oneself, and this end 213 of exerting oneself is hinged with master brake cylinder push rod 23, and when foot-operated 212 quilts of brake pedal 21 were afterburning, its end 213 of exerting oneself can rotate around described fixed rotating shaft 212, and afterburning on master brake cylinder push rod 23.
The S. A. of described assist motor 22 is captiveed joint with nut 26, and simultaneously, nut 26 also matches with screw pair with leading screw 27.Therefore, when assist motor 22 rotations, nut 26 is also followed its rotation, described leading screw 27 is owing to match with screw pair with fixing nut 26, so under the situation of nut 26 rotations, leading screw 27 produces and seesaws, concrete travel direction is by the forward and backward direction decision of assist motor 22.The push rod 23 of leading screw 27 and master brake cylinder 24 is connected with spherical linkage, and the motion of leading screw 27 will promote push rod 23 and produce corresponding motion, makes the motion that rotatablely moves to master brake cylinder 24 of assist motor 22 produce the power-assisted effect.Between the push rod 23 of leading screw 27 and master brake cylinder 24 with the spherical linkage purpose of connecting, be because at the braking on period, leading screw 27 can not keep in-line with the push rod 23 of described master brake cylinder 24, and spherical linkage can make both connections that level of freedom is spatially arranged.
Described pressure sensor 25 is installed in riding on 211 of brake pedal 21, and the output of this pressure sensor 25 is electrically connected with assist motor controller 28.The detected value of this pressure sensor 25 is used for judging when start assist motor for described assist motor controller 28, carries out brake boost.
In this energy assisted braking system, having with assist motor controller 28, assist motor 22, pressure sensor 25 is the main circuit part that constitutes.The schematic diagram of present embodiment circuit part as shown in Figure 3.Described assist motor controller 28 receives the detected value of pressure sensors 25, and judges the relation of braking force and preset value according to this detected value, and then the action of assist motor 22 is controlled the realization brake boost according to judged result.For realizing above-mentioned electrical equipment control process, the assist motor controller 28 of present embodiment is a kernel control chip with micro controller system 31, have peripheral circuits such as detection signal input, output control circuit and critical value voltage generation circuit in addition, these circuit and this micro controller system 31 common formation assist motor controllers 28 are realized described detection and control; In addition, present embodiment also has some auxiliary circuits, the warning circuit that comprises the testing circuit of the working condition that is used to detect force aid system for braking and report to the police when unusual in working order.Below the electrical appliance part of this energy assisted braking system is described.
As shown in Figure 3, the detected value of described pressure sensor 25 outputs to the analogue to digital conversion mouth A/D1 of micro controller system 31 by the amplifying circuit of being made up of op amp 34 and peripheral circuit thereof.
For the critical value that obtains to be used to compare, the external critical value of another analogue to digital conversion mouth A/D2 of micro controller system 31 produces the critical value voltage of circuit 35 outputs.Described critical value produces circuit 35 by being added with+resistance of 5V voltage and the circuit series that potential device is formed, and the current potential that the intermediate node of resistance and potential device obtains offers described analogue to digital conversion mouth A/D2, and this current potential is exactly described critical value voltage.Adjust described potential device, can obtain the control that different described critical values is used for this energy assisted braking system.Described singlechip controller compares after the critical value that the detected value and the A/D2 mouth of the input of A/D1 mouth are imported can being converted to digital value, carries out power brake control according to comparative result.
Lead-out terminal D02, the D03 of described micro controller system 31 is respectively applied for the forward and backward control signal of output assist motor 22.Above-mentioned signal outputs to the control end of high power transistor 32 and high power transistor 33 respectively, be used to control above-mentioned transistorized conducting, by.In the present embodiment, described high power transistor adopts metal oxide semiconductor field effect tube (MOSEFT).Wherein, the drain electrode connection+12V voltage of high power transistor 32, source electrode connects the power end A of described assist motor; Source electrode connection-12V the voltage of high power transistor 33, drain electrode connects the power end A of described assist motor 22; In order to protect described high power transistor, reverse parallel connection has the protection diode between the drain electrode of above-mentioned high power transistor, the source electrode.Another power end ground connection of described assist motor 22.When D02 output high level, will make described high power transistor 32 conductings, described assist motor 22 acquisition+12V voltages are realized forward rotation.When D03 output high level, will make described high power transistor 33 conductings, make described assist motor 22 acquisition-12V voltages, realize backward rotation.Therefore, this micro controller system 31 can be controlled just commentaries on classics, the counter-rotating of assist motor 22 as required.
In addition, also have warning circuit in the present embodiment, this warning circuit is used in time reporting to the police when energy assisted braking system breaks down as the auxiliary circuit of this energy assisted braking system, comprises visual alarm and audio alarm.
As shown in Figure 3, the mouth D01 of described micro controller system 31 connects the coil J1 of relay 35, the contact K1 and the alarm lamp 38 of this relay 35 be connected on+12V and power supply ground between.When this mouth D01 output high level, the coil J1 of described relay 35 gets electric, makes the contact adhesive, and alarm lamp gets electric and luminous warning.The operational amplification circuit that the mouth D04 of described micro controller system 31 forms by op amp 36 connects alarming horn 37.When mouth D04 output high level, alarming horn 37 will get electric and send alarm sound.
In order to obtain the working condition of this force aid system for braking, can use multiple detecting element that this energy assisted braking system is detected, testing result can output to the input end of micro controller system 31.For example, can detect the motion conditions of described assist motor 22, and testing result is input to the input end of micro controller system 31.The working condition of 22 pairs of assist motors 22 of micro controller system is judged.If assist motor 22 is then reported to the police should rotaryly not rotating.Because the detection mode to this force aid system for braking has the multiple scheme that can select, concrete method of inspection is not provided in the present embodiment, those skilled in the art can be provided with different check points and concrete detection mode according to demand easily, for example, during critical value electric voltage exception that described A/D2 mouth obtains, also can report to the police.
In conjunction with the introduction of the component part of above-mentioned force aid system for braking, the following working process of this force aid system for braking of explanation.
Please referring to Fig. 4, this figure is the workflow diagram of first embodiment of the invention.
During the braking beginning (step 41), the pressure sensor 25 of brake pedal 21 detects the pressure that is added on the pedal 111, and this detected value is sent to described assist motor controller 28.Described assist motor controller 28 reads this detected value (step S42).If this detected value is zero, then controlling assist motor 22 counter-rotatings stops until getting back to reference position, at this moment, get back to the initial position under the combined action of master brake cylinder 24 and brake pedal 21 hydraulic fluid pressure difference in clutch pedal retrun spring and hydraulic tubing, brake system be failure to actuate (step S45); If described detected value is greater than zero, then assist motor controller 28 compares (step S43) with the limit value of this detected value and setting; If greater than limit value, assist motor 22 forward rotation then promote the push rod 23 of master brake cylinder 24, and brake boost (step S44) is provided; If not, motor do not rotate or stop operating (under the formerly already turned situation) (step S46) then.After the braking beginning, assist motor controller 28 can constantly read pedal pressing force, and carries out the judgement of above-mentioned steps S42, step S43, and according to judged result, control assist motor 22 carries out aforesaid operations.Because critical value can be adjusted, and therefore, can different critical values be set according to user's different demands, thereby produce different power-assisted effects.For example the weakling can be a smaller value with critical value setting, and this moment, brake boost just began to provide when less braking force, and the brake boost effect will be stronger.
Whether work with automotive engine because the power-assisted intensity size of this brake boost mechanism only is subjected to the control of assist motor controller 28, rotating speed is just irrelevant, and therefore the suddenly big or suddenly small phenomenon of power-assisted can not take place.
Above embodiment is optimum embodiment provided by the invention, but and does not mean that and can not take other modes to realize the basic thought that the present invention proposes.For the present invention, its basic thought is: directly the power with electrical motor is used to the master brake cylinder push rod that power-assisted is provided.And prior art is to adopt the vacuum state of engine suction manifold, provides power-assisted by vacuum booster to master brake cylinder.Compared with prior art, the realization brake boost that technical scheme provided by the invention can be more succinct is particularly suitable for hybrid vehicle etc. because cancellation idling operation and the automobile of degree of vacuum often can't be provided.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of automobile brake force aid system comprises brake pedal, master brake cylinder, it is characterized in that having assist motor, and this assist motor promotes the master brake cylinder push rod at glancing impact, and brake boost is provided.
2, automobile brake force aid system according to claim 1 is characterized in that, the S. A. of described assist motor and nut fixed connection, and this nut cooperates with leading screw, and described leading screw directly promotes the master brake cylinder push rod.
3, automobile brake force aid system according to claim 2 is characterized in that, described leading screw and master brake cylinder push rod flexibly connect with spherical linkage.
4, automobile brake force aid system according to claim 1 is characterized in that, the foot-operated pressure sensor that is equipped with of described brake pedal is used for detecting whether have braking force, according to testing result control providing for brake boost.
5, automobile brake force aid system according to claim 4, it is characterized in that, describedly comprise according to power-assisted the providing of testing result control brake: when described pressure sensor testing result showed braking force more than or equal to the limit value set, the motor forward rotation provided brake boost; When described pressure sensor testing result showed braking force less than the limit value set, the assisted electric machine stopped operating or does not rotate; Equal zero when described sensor result shows braking force, then the initial position is got back in the assist motor counter-rotating.
6, automobile brake force aid system according to claim 5, it is characterized in that having the assist motor controller, it receives the detected value of described pressure sensor, carry out the judgement of the relation of described braking force and limit value according to detected value, and carry out described control assist motor work.
7, automobile brake force aid system according to claim 6 is characterized in that, the kernel control chip of described assist motor controller is a micro controller system.
8, automobile energy assisted braking system according to claim 7 is characterized in that, described pressure sensor connects the first analogue to digital conversion mouth of described micro controller system by op amp; The second analogue to digital conversion mouth of described micro controller system connects the voltage of the described limit value of expression; This micro controller system by the input of reading above-mentioned analogue to digital conversion mouth after, carry out the judgement that concerns between described braking force and the limit value; First mouth of described micro controller system, second mouth connect the control end of first power transistor, second largest power transistor respectively; Described first power transistor is connected between positive supply and described assist motor first power end; Described second largest power transistor is connected between first power end of negative supply and described assist motor; The second source end of described assist motor connects power supply ground; This micro controller system is by controlling motor positive and inverse from first mouth, second mouth output high-low level.
9, automobile energy assisted braking system according to claim 8 is characterized in that, described high power transistor is a metal oxide semiconductor field effect tube; Drain electrode connection+12V the voltage of described first power transistor, source electrode connects first power end of described assist motor; The drain electrode of described second largest power transistor connects first power end of described assist motor, source electrode connection-12V voltage.
10, automobile energy assisted braking system according to claim 8 is characterized in that, this energy assisted braking system has warning circuit; Comprise alarm lamp and alarming horn by described micro controller system mouth control; And the relevant detection circuit, described testing circuit is used to detect the service condition of this energy assisted braking system, and testing result is offered the micro controller system confession, and it judges the working condition of this automobile energy assisted braking system; If during the working condition mal of this energy assisted braking system, then report to the police by warning circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610025880 CN101058311A (en) | 2006-04-20 | 2006-04-20 | Booster braking device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610025880 CN101058311A (en) | 2006-04-20 | 2006-04-20 | Booster braking device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101058311A true CN101058311A (en) | 2007-10-24 |
Family
ID=38864662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610025880 Pending CN101058311A (en) | 2006-04-20 | 2006-04-20 | Booster braking device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101058311A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582607A (en) * | 2012-02-02 | 2012-07-18 | 北京智华驭新汽车电子技术开发有限公司 | Automobile brake boosting device based on direct-current motor |
| CN103003113A (en) * | 2010-07-30 | 2013-03-27 | 罗伯特·博世有限公司 | Control device for a storage tank charge pump of a brake system of a vehicle and method for operating a storage tank charge pump of a brake system of a vehicle |
| CN101868385B (en) * | 2007-11-21 | 2013-12-11 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake actuating unit |
| CN104295382A (en) * | 2013-07-19 | 2015-01-21 | 贾振雷 | No-idling control system for vehicle |
| CN114379527A (en) * | 2022-01-19 | 2022-04-22 | 泉州市鑫利达机械制造有限公司 | Brake master cylinder for vehicle |
-
2006
- 2006-04-20 CN CN 200610025880 patent/CN101058311A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101868385B (en) * | 2007-11-21 | 2013-12-11 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Brake actuating unit |
| CN103003113A (en) * | 2010-07-30 | 2013-03-27 | 罗伯特·博世有限公司 | Control device for a storage tank charge pump of a brake system of a vehicle and method for operating a storage tank charge pump of a brake system of a vehicle |
| CN103003113B (en) * | 2010-07-30 | 2016-02-10 | 罗伯特·博世有限公司 | The method of the control setup for the memory device boost pump of motor vehicle braking system and the memory device boost pump for operational vehicle brake system |
| CN102582607A (en) * | 2012-02-02 | 2012-07-18 | 北京智华驭新汽车电子技术开发有限公司 | Automobile brake boosting device based on direct-current motor |
| CN104295382A (en) * | 2013-07-19 | 2015-01-21 | 贾振雷 | No-idling control system for vehicle |
| CN114379527A (en) * | 2022-01-19 | 2022-04-22 | 泉州市鑫利达机械制造有限公司 | Brake master cylinder for vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102438869B (en) | Device and method for controlling vehicle | |
| CN105752082A (en) | Automobile idle speed and braking energy recovery system | |
| CN103153738B (en) | The control method of transmission system, transmission system and control setup | |
| CN101058311A (en) | Booster braking device for automobile | |
| CN101480948A (en) | Vehicle idling stop/start system and method without interruption of air conditioner | |
| JP2010540334A5 (en) | ||
| CN1824945A (en) | Integrated starter/generator hybrid power system and controlling method | |
| CN102602451A (en) | System and method for realizing electric power steering | |
| CN201300709Y (en) | Hybrid power farm truck | |
| JP6205688B2 (en) | Vehicle control device | |
| CN101069033A (en) | Speed change controller of vehicle performing motor-driven supercharge of engine | |
| US10759430B2 (en) | Braking system for braking an electric vehicle | |
| CN105000005A (en) | Novel brake energy recycling device of new-energy automobile | |
| CN102424068B (en) | Automobile hydraulic power-driven assisted steering system | |
| CN103723137A (en) | Brake assisting power control method for electric vehicle | |
| CN101074018A (en) | Automatic electronic operating mechanism of hydraulic clutch for automobile | |
| CN108215941B (en) | Hub driving control method and system for pure electric city bus | |
| CN101612893A (en) | The brake method of mis-accelerator pressing and brake gear during a kind of the brake | |
| CN101032981A (en) | Electric articulated passenger car | |
| CN114802182A (en) | Energy management method and system for 48V hybrid vehicle and vehicle | |
| CN201096089Y (en) | Automobile direct current electric vacuum pump | |
| KR100692718B1 (en) | Control method for brake vacuum pressure of hybrid vehicle | |
| CN201249670Y (en) | Braking device applied to conditions of stepping on throttle by mistake | |
| KR101028022B1 (en) | Booster system and control method for motor control of hybrid vehicle | |
| CN101062680A (en) | Power-assisted braking arrangement for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |