CN208715181U - Commercial vehicle electronic parking system - Google Patents
Commercial vehicle electronic parking system Download PDFInfo
- Publication number
- CN208715181U CN208715181U CN201820007843.8U CN201820007843U CN208715181U CN 208715181 U CN208715181 U CN 208715181U CN 201820007843 U CN201820007843 U CN 201820007843U CN 208715181 U CN208715181 U CN 208715181U
- Authority
- CN
- China
- Prior art keywords
- valve
- electronic parking
- parking
- commercial vehicle
- vehicle electronic
- 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.)
- Active
Links
Abstract
Commercial vehicle electronic parking system EPB, including electronic parking switch, controller, electronic parking valve, main brake valve, baric systerm.The electronic parking switch is electrically connected with the controller, and the controller electrically connects electronic parking valve again.The baric systerm includes air compressor machine, gas circuit connection air conditioner unit, and three output ends of the latter couple parking gas receiver, the circuit service brake I and the circuit service brake II respectively.The circuit service brake II respectively leads to driving relay valve and main brake valve.Service brake I then leads to main brake valve in circuit.
Description
Technical field
The present invention relates to a kind of commercial vehicle electronic parking system EPB.
Background technique
United States Patent (USP) US9434366B1 is related to a kind of electronic parking device of heavy goods vehicles, and the heavy goods vehicles include commercial vehicle.
The electronic parking device of the heavy goods vehicles has an EPB valve and a pneumatic circuit, and the pneumatic circuit is by the exhaust outlet of EPB valve and a bullet
Spring braking system is connected, and the air pressure of EPB valve is allowed to be applied to spring braking system, at the parking braking to keep vehicle
In releasing position.The device also has a normally opened solenoid valve, which there is an air intlet and the pneumatic circuit to connect
It is logical.The solenoid valve is operable to the air pressure in release pneumatic circuit, to make spring braking system in response to the disconnected of solenoid valve
Electricity applies spring braking power.This parking device can only use EPB parking, not have electric and hand converting system, can not be with manual
Mode discharge parking, can not dynamic parking.
Gram Nore, two company of WABCO also have the electronic parking system of commercial vehicle.The EPB parking system of this two company by
It is excessively high in cost, and the integrated level of valve is excessively high, maintenance cost is also very high.
The parking system of Chinese Business Car is mostly using mechanical hand brake valve, mainly by hand brake valve come real
Existing parking and release, product is simple, but has a single function, and is not suitable with the development trend that present commercial vehicle is intelligent, automates.
With automotive circuit diagram, it is automatic, intelligentized require it is more more and more universal, and now passenger car the market EPB
Be it is increasing, formed a big market, necessarily will affect the driving habit of people.Therefore the application of the EPB of commercial vehicle
Also imperative, wide market is limitless.
The application propitious omen of man's world founds group and has been devoted to research commercial vehicle pneumatic braking system, from traditional hand valve to electronic parking system
System, my company has accumulated a large amount of experiences and technology in braking system field, currently, more than ten main engine plants are docking and are testing,
Small lot trial assembly is completed in part, is carrying out mass production preparation.
Summary of the invention
The EPB system of the application is to apply for that the propitious omen of man's world founds the electronics of group and mechanical engineer shares out the work and help one another, more absorbing
On the basis of the experience of year accumulation, by exploration, design, test, improvement, finally accomplishes the right fruit, this hair is released with innovative thinking
Bright completely new parking system.
It begins one's study commercial vehicle electronic parking system item from my company in 2015, the electronic parking system researched and developed so far
Up to more than ten families, trial assembly Main Engine factory, and the road test test of vehicle has been completed in part of the manufacturer, and start the examination of small lot
Dress is doing mass production and is preparing.By the way that this several years client cooperation is on probation and user feedback, using investigation opinion repeatedly
Future direction is positioned as user and provides to meet the electronic parking systems of China's actual conditions by card.
Progress and completion time limit
| Order | Action | Arrangement of time |
| 1 | Investigation, technological reserve | 2015.8.1~2016.1.20 |
| 2 | Conceptual design | 2016.1.20~2016.3.10 |
| 3 | Fixture Design, manufacture | 2016.3.10~2016.7.15 |
| 4 | The production of exemplar components, detection | 2016.7.15~2016.9.30 |
| 5 | Exemplar assembly | 2016.9.30~2016.10.20 |
| 6 | Exemplar test optimization | 2016.10.21~2017.2.10 |
| 7 | Entrucking road test | 2017.2.11~2017.8.30 |
| 8 | Product sample presentation | 2017.9.10 |
| 9 | Batch is produced as a trial | 2017.11.10 |
| 10 | The project acceptance inspection | 2018.6 |
Commercial vehicle electronic parking system EPB according to the invention include electronic parking switch, controller, electronic parking valve,
Main brake valve, baric systerm.The electronic parking switch is electrically connected with the controller, and the controller electrically connects electronics again and stays
Vehicle valve.The baric systerm includes air compressor machine, and gas circuit connection air conditioner unit, three output ends of the latter couple respectively stays
Vehicle gas receiver, the circuit service brake I and the circuit service brake II.The circuit service brake II respectively leads to the air inlet of driving relay valve
The epicoele inlet end at end and main brake valve.Service brake I then leads in circuit the cavity of resorption inlet end of main brake valve.Parking gas receiver point
Do not lead to the inlet end of electronic parking valve and the inlet end of parking relay valve.(or parking relay valve does not fill).Electronic parking valve
Another gas source input come from main brake valve, and two output end then respectively by two-position three way lead to parking relay valve and
Driving relay valve.The output end of the driving relay valve also leads to the two-position three way, the another port of two-position three way and parking servo
Valve is connected.The output end of driving relay valve is also directly communicated to spring cylinder.And the discharge air pressure of spring cylinder then returns to parking relay valve,
And electronic parking valve is returned through parking relay valve and the two-position three way.The another output of main brake valve is distributed through quick release valve
To locellus before two.In certain pipelines, parking relay valve may be cancelled, or be replaced by quick release valve.
Commercial electronic parking system according to the invention replaces traditional parking hand valve using EPB electronic switch, and pull-up EPB is opened
Close and realize and pull the hand brake, under push away EPB switch and realize release parking brake, pull-up EPB switch preferentially uses service brake, row in driving conditions
Vehicle brake fade or speed just enable parking braking when being less than a certain threshold value, which is, for example, 7km/h.
The electronic parking valve that commercial electronic parking system according to the invention uses is highly integrated, and pipeline arrangement is quite simple
It is single, driver's cabin is placed in using a turn-knob valve small in size, a possibility that good hand touch, maloperation, is small, and it is small in size, for narrow
For cab space, it appears especially convenient.
Preferably, that air pressure pipeline that two two-position three ways are led in the described two output ends of electronic parking valve passes through
One knob valve and the two-position three way connection.The output end of the knob valve and driving relay valve passes through the shared double-way check valve
It is connected with parking relay valve.It is provided in GB 12676-2014, inside automatically controlled transmission, outside the electronic control unit in addition to power supply line
Portion's route be damaged or control device fail when, still be able to from steering position carry out parking braking and 8% it is upper and lower
Ramp remain stationary fully loaded vehicle.Therefore, it is necessary to increase this turn-knob valve.So as in electric control parking thrashing, remain into
Row manual parking.
In any of the above-described scheme preferably, 90% 0 of commercial vehicle electronic parking system EPB according to the invention
Part uses aluminium alloy light-weight design, keeps its weight lighter.
In any of the above-described scheme preferably, the tonifying Qi compensation hole of electronic parking valve is less than φ 0.8.When driving, control
When piston upper chamber has gas, if solenoid valve gas leakage occurs, the air pressure that may result in control piston upper chamber becomes smaller and smaller, directly
To piston return occurs under the action of the spring, parked state is switched to, is caused danger.The compensation hole may make defeated in driving
The air pressure of outlet is by the compensation hole always toward the epicoele tonifying Qi of control piston.It, will not even if a degree of gas leakage occurs
There is a phenomenon where unexpected switching states.
In any of the above-described scheme preferably, electronic parking valve sealing reliability reaches sealing sex index and is less than 10kPa
Requirement.
In any of the above-described scheme preferably, controller logic, which reaches, meets 12676 laws and regulations requirement feasibility of GB.
In any of the above-described scheme preferably, the temporary parking part of the electronic parking valve be switch delivery valve or
The valve of proportional output.
In any of the above-described scheme preferably, the parking memory section of the electronic parking valve be proportional delivery valve or
It is the switch valve of disproportional output.
In any of the above-described scheme preferably, as a kind of substitution, the electronic parking valve can be integrated parking after
Dynamic valve.
In any of the above-described scheme preferably, load measuring sensor and/or ramp sensor are also had, is individually added into,
Only rigid line is needed to be connected with controller.It is not shown in line map.
In any of the above-described scheme preferably, it is also exported with wired sex ratio, this linear will compare in parking
Example output, brakes more flexible, more can guarantee safety when emergency braking, the EPB product in auspicious vertical two generations will be more integrated, installation
Pipeline will be more succinct.This is being developed after being one is with linear convergent rate, and the same with electronic parking valve is loaded on route
In.Apply at present it is this be switch valve disproportional output.
Detailed description of the invention
Fig. 1 is the component connection signal of a preferred embodiment of commercial vehicle electronic parking system EPB according to the invention
Figure.
Fig. 2 is the line map of embodiment illustrated in fig. 1.
The present invention is understood for the ease of seeing figure and reading, and provides the detail of each label herein:
1- electronic parking switch；2- controller；3- air compressor machine；4- air conditioner unit；5- parking gas receiver；6- driving system
The dynamic circuit II；The circuit 7- service brake I；8- main brake valve；9- electronic parking valve；10- knob valve；11- rear-wheel；12- spring cylinder；
13- parking relay valve；14- driving relay valve；15- quick release valve；Locellus before 16-；17- front-wheel
Black solid line gas circuit indicates that driving has air pipe often in figure, and hollow pneumatic circuit then indicates only in control main valve
Just there is the pipeline of gas afterwards.In Fig. 2, dotted line frame indicates a product, in the label on the pipeline at certain dashed box component
The first bit digital if it is 1 indicate pipeline connection be component in the dashed box import, indicate to export if it is 2
Mouthful, exhaust outlet is indicated if it is 3, indicates control mouth if it is 4.Such as 11,12 indicate be in the product there are two into
Port is distinguish with 2 digits；21,22 indicate that there are two delivery outlets in the product, are distinguish with 2 digits.
Specific embodiment
As illustrated in fig. 1 and 2, in the present embodiment, commercial vehicle electronic parking system EPB according to the invention includes that electronics is stayed
Stopping switch 1, controller 2, electronic parking valve 9, main brake valve 8, baric systerm.The electronic parking switch 1 and the controller 2
It electrically connects, the controller 2 electrically connects electronic parking valve 9 again.The baric systerm includes air compressor machine 3, gas circuit connection air
Processing unit 4, three output ends of the latter couple parking gas receiver 5, the circuit service brake I 7 and the circuit service brake II respectively
6.The circuit service brake II 6 respectively leads to the inlet end of driving relay valve 14 and the inlet end of main brake valve 8.Service brake I is returned
The inlet end of main brake valve 8 is then led on road 7.Parking gas receiver 5 respectively leads to the inlet end and parking relay valve of electronic parking valve 9
Inlet end.Another gas source input of electronic parking valve 9 comes from main brake valve 8, and two output end then respectively leads to one
Knob valve 10 and driving relay valve 14.The output end of the knob valve 10 and relay valve 14 of driving a vehicle by a shared two-position three way with
Parking relay valve 13 is connected.The output end of driving relay valve 14 is also directly communicated to spring cylinder 12.And the discharge air pressure of spring cylinder 12
Parking relay valve 13 is then returned, and returns to electronic parking valve 9 through parking relay valve 13 and the two-position three way.Main brake valve 8
Locellus 17 before another output distributes to two through a quick release valve 15.
Commercial vehicle electronic parking system according to the invention is able to achieve i.e. static basic function and dynamic parking and release, faces
When parking function, emergency brake function, release function of starting to walk, stop working control model and uphill starting function.
As shown in the figure: static state/dynamic parking function replaces traditional hand valve with parking switch, and pull-up EPB switch is table
Show and pull the hand brake, under push away EPB switch indicate release parking brake.When pulling up EPB switch, ECU can say the word electron parking valve, allow electronics
The parking solenoid valves of parking valve are primary, and the air pressure of the control mouth of parking relay valve is allowed to arrange from the exhaust outlet of electronic parking valve
Fall, so that the air pressure of spring cylinder exhausts, achievees the purpose that parking.Under when pushing away EPB switch, ECU can then say the word electron parking
Valve makes the solenoid valves of release primary, and the air pressure of gas receiver is allowed to enter delivery outlet from the air inlet of electronic parking valve, enters
The control mouth of parking relay valve achievees the purpose that driving so that the delivery outlet of parking relay valve has output pressure to transport to spring cylinder.
Emergency brake: when vehicle needs emergency brake, when speed is greater than such as 7km/h, priority acccess control electronic parking
The temporary parking solenoid valve of valve carries out service brake, and after speed is less than 7km/h, ECU can control the parking electricity of electronic parking valve
Magnet valve carries out parking braking, and vehicle will not sideslip or whipping.
Starting release: when driver drive when, such as forget RELEASE PARKINGBRAKE, system when detecting speed, ECU can say the word to
Electronic parking valve, unclamps parking brake automatically.The process is different from manual parking, is automatic parking.
Flame out and stop: when vehicle stall, such as non-parking, ECU can say the word electron parking valve, automatic parking.The mistake
Journey is different from manual parking, is automatic parking.
Uphill starting function: ramp miscellaneous function is realized.By acquiring the speed signal of vehicle, gear signal, throttle letter
Number, engine torque signal and ramp angles signal, according to different situations, in different gasoline throttle angles, ECU, which is made, sentences
It is disconnected, parking switch is unclamped automatically, realizes smoothly starting.
In order to which the superiority of EPB system according to the invention is seen more clearly, first by EPB system according to the invention with
The analysis comparison of existing product, technology, equipment provides as follows:
| Serial number | Technical requirements and function | Existing product | Product of the present invention |
| 1 | Voltage rating | Mechanically | 24V |
| 2 | Nominal pressure | 0.8MPa | 1MPa |
| 3 | Operating temperature | - 30--+80 degree | - 40--+80 degree |
| 4 | Parking and release | It manually controls | Parking switch control |
| 5 | What's new 1 | Nothing | Uphill starting auxiliary |
| 6 | What's new 2 | Nothing | Flame-out control |
| 7 | What's new 3 | Nothing | Starting release |
| 8 | What's new 4 | Nothing | Face and stops function |
| 9 | What's new 5 | Nothing | Low pressure limitation release |
The technical parameter and performance indicator of commercial vehicle electronic parking EPB system according to the invention are as follows:
Technical parameter
1), voltage rating: 24V DC；
2), nominal pressure: 1MPa；
3), using temperature: -40 DEG C~80 DEG C.
Main performance index
1), electronic parking valve lowest starting voltage: 18VDC；
2), the full conversion execution number of switch: 30000 times；
3), degree of protection: IP67；
4), sealing sex index when electronic parking valve working condition: it is not more than 10kPa；
5), sealing sex index when electronic parking valve off working state: it is not more than 5kPa
Technical standard used by commercial vehicle electronic parking system EPB according to the invention are as follows:
It is " commerial vehicle and trailer brake system technical requirements and the test side GB 12676-2014 that the system, which executes standard,
Method " standard requirements.The product is independently researched and developed by my company scientific and technical personnel.
Commercial vehicle electronic parking system according to the invention is that Rui Li group investment and tissue are researched and developed, and auspicious stand is China
Most of main engine plants (space logical, big fortune, Shan vapour, Yangtze River, Yangze river and Huai river, a vapour etc.) supplier.Needed for EPB according to the invention
The resources such as processing can be extended on the basis of original, the components of use use import except the parts thereof in controller
Outside part, remaining electronic parking valve, turn-knob valve, switch are all using home part, and this project product degree domestic is high.
8,500,000 yuan of this project total investment quota, according to the development trend of market information and automobile future, future market is to electronic
The demand of air compressor machine will be more than 100,000 sets or more.According to my company's comprehensive strength, we have examined during trial production
Having considered production capacity, tooling configuration, device configuration, staff training etc. influences the factor of productivity, by 3000 sets of life of annual output
Production capacity power estimated, 4800 yuan of this product totle drilling cost, 7000 yuan of average sales price, and annual 21000000 yuan of sales volume, return of investment
Rate is 66%, profit and tax investment ratio 90.8%, the investment payback time 1.52, remarkable benefit.
This project EPB system, which increases, flames out and stop function, and when vehicle stall, even if having forgotten to pull the hand brake, system can be automatic
Complete parking；Increase starting release function, when vehicle start, driver has forgotten RELEASE PARKINGBRAKE, and parking braking can also automatically terminate；Increase
Uphill starting function is added, vehicle, will not rollback in uphill starting；Increase temporary parking function, waiting traffic lights or
It will not have to step on brake always again when being temporary parking, it is therefore prevented that the foot of driver generates fatigue, reduces and drives intensity, reduces thing
Therefore generation.Temporary parking function can also reduce the discharge of parking chamber air pressure simultaneously, reduce the demand of compressed air, reach section
The effect of energy.So that vehicle is more intelligent, easy, safety, the generation of accident is reduced.
The development and application of this project product and the industrial large-scale production of achievement, because its in the fabrication process with Related product
There is very big relevance, becomes the first big country of Global Auto production and marketing along with China, parts industry is also being developed,
From the point of view of world structure, the either lateral scale development of China's components or longitudinal technology upgrading all have wide development empty
Between industry, thus its successful exploitation can drive simultaneously and promote the synchronized development of related industry, push Employment, protect
Social stability is held, there is significant social benefit.
This project product belongs at home exclusively to be initiated, and overseas enterprise also not yet carries out sales promotion at home.This item
Mesh product meets the strategic requirement of " made in China 2025 ", with the normalization of environmental protection, meets the environmentally protective of new energy
Product demand increasingly increases, and has a vast market foreground.
A preferred embodiment of commercial vehicle electronic parking system according to the invention, but this are described above in conjunction with attached drawing
It is not meant to that the present invention is limited to the embodiment.Protection scope of the present invention should be with claims, especially independent right
It is required that determine, any just obtainable change without involving an inventive effort of the embodiment initiation in specification in each embodiment
It is different to be all construed as within protection scope of the present invention.
Claims (14)
1. commercial vehicle electronic parking system, including electronic parking switch, controller, electronic parking valve, main brake valve, air pressure system
System, it is characterised in that: the electronic parking switch is electrically connected with the controller, and the controller electrically connects electronic parking again
Valve, the baric systerm include air compressor machine, and three output ends of gas circuit connection air conditioner unit, the latter couple parking respectively
Gas receiver, the circuit service brake I and the circuit service brake II, the circuit service brake II respectively lead to driving relay valve epicoele into
The inlet end at gas end and main brake valve；Service brake I then leads in circuit the cavity of resorption inlet end of main brake valve.
2. commercial vehicle electronic parking system as described in claim 1, it is characterised in that: the parking gas receiver respectively leads to electricity
The inlet end of sub- parking valve and the inlet end of parking relay valve.
3. commercial vehicle electronic parking system as claimed in claim 1 or 2, it is characterised in that: the electronic parking valve it is another
A gas source input comes from main brake valve, and two output end then respectively leads to a two-position three way and driving relay valve.
4. commercial vehicle electronic parking system as claimed in claim 3, it is characterised in that: further include spring cylinder, it is described driving after
The output end of dynamic valve also leads to the two-position three way, and the another port of the two-position three way is connected with the parking relay valve, described
The output end of driving relay valve is also directly communicated to the spring cylinder, and the discharge air pressure of the spring cylinder then returns to the parking servo
Valve, and electronic parking valve is returned through the parking relay valve and the two-position three way.
5. commercial vehicle electronic parking system as claimed in claim 4, it is characterised in that: another output of the main brake valve
Locellus before end distributes to two through a quick release valve.
6. commercial vehicle electronic parking system as claimed in claim 3, it is characterised in that: the electronic parking valve it is described two
Lead to that air pressure pipeline of two-position three way in output end by a knob valve and the two-position three way connection, the knob valve and driving
The output end of relay valve is connected by the shared two-position three way with parking relay valve.
7. commercial vehicle electronic parking system as described in claim 1, the temporary parking part of the electronic parking valve is to have ratio
The valve of example output.
8. commercial vehicle electronic parking system as described in claim 1, it is characterised in that: the parking of the electronic parking valve is remembered
Part is proportional delivery valve.
9. commercial vehicle electronic parking system as described in claim 1, it is characterised in that: the electronic parking valve can be integrated
Parking relay valve.
10. the commercial vehicle electronic parking valve as described in any one of claim 4-9, it is characterised in that: also have Load sensor
Device and/or ramp sensor.
11. commercial vehicle electronic parking system as described in claim 1, which is characterized in that further include EPB electronic switch.
12. commercial vehicle electronic parking system as claimed in claim 11, which is characterized in that 90% components of the EPB are adopted
Use aluminum alloy material.
13. commercial vehicle electronic parking system as described in claim 1, which is characterized in that the tonifying Qi compensation hole of electronic parking valve
Less than φ 0.8.
14. commercial vehicle electronic parking system as described in claim 1, which is characterized in that the electronic parking valve seals index
Less than 10kPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007843.8U CN208715181U (en) | 2018-01-03 | 2018-01-03 | Commercial vehicle electronic parking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820007843.8U CN208715181U (en) | 2018-01-03 | 2018-01-03 | Commercial vehicle electronic parking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208715181U true CN208715181U (en) | 2019-04-09 |
Family
ID=65968613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820007843.8U Active CN208715181U (en) | 2018-01-03 | 2018-01-03 | Commercial vehicle electronic parking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208715181U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263367A (en) * | 2018-01-03 | 2018-07-10 | 瑞立集团瑞安汽车零部件有限公司 | Commercial car electronic parking system |
| CN113175544A (en) * | 2021-04-19 | 2021-07-27 | 瑞立集团瑞安汽车零部件有限公司 | Two-position three-way valve and integrated EPB air treatment device based on two-position three-way valve |
-
2018
- 2018-01-03 CN CN201820007843.8U patent/CN208715181U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263367A (en) * | 2018-01-03 | 2018-07-10 | 瑞立集团瑞安汽车零部件有限公司 | Commercial car electronic parking system |
| CN108263367B (en) * | 2018-01-03 | 2023-09-01 | 温州瑞立科密汽车电子有限公司 | Electronic parking system of commercial vehicle |
| CN113175544A (en) * | 2021-04-19 | 2021-07-27 | 瑞立集团瑞安汽车零部件有限公司 | Two-position three-way valve and integrated EPB air treatment device based on two-position three-way valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108263367A (en) | Commercial car electronic parking system | |
| CN102328646B (en) | Urban tram braking system | |
| CN100526841C (en) | Internal combustion engine reconnection test platform and its operation method | |
| CN208715181U (en) | Commercial vehicle electronic parking system | |
| CN204302015U (en) | 30 tons of axle heavy-duty machine car motor vehicle braking system all-around test stand testing arrangements | |
| CN204405336U (en) | Hybrid electric vehicle complete vehicle simulation table | |
| CN109357887A (en) | A kind of the engine bench test device and its application method of the braking of simulated automotive plateau | |
| CN103303288B (en) | A kind of Braking System for High Speed Multiple Units and braking method thereof | |
| CN109883738A (en) | High-speed train braking system Detecting data | |
| CN202624190U (en) | Hydraulic braking device | |
| CN112550253A (en) | Freight train empty and heavy vehicle grading adjustment device and adjustment method | |
| CN103047126B (en) | Method for testing ESP (electronic stability program) /ABS (anti-lock brake system) pumps | |
| CN209241054U (en) | Track power flatcar and its braking system | |
| CN104648367A (en) | Fully-decoupled electric-liquid compound braking system | |
| CN106248395A (en) | Power supply semitrailer pipeline and signal supervisory instrument and detection method thereof | |
| CN109383473A (en) | A kind of automobile-used Electro-mechanical brake system of multiaxis | |
| CN205706658U (en) | A kind of passenger vehicle brake piping protection system | |
| CN202911727U (en) | Braking system of wheel loader | |
| CN205469027U (en) | Electricelectric moves motor bus electricity liquid composite control system | |
| CN109435927A (en) | Track power flatcar and its braking system and brake control method | |
| CN203412735U (en) | Novel testing device of ESP/ABS (electronic stability program)/(anti-locked braking system) pump | |
| CN218966900U (en) | Novel pure electric aircraft tractor line control electric system | |
| CN203005403U (en) | Pneumatic control type assistant braking device for truck | |
| CN114199565A (en) | AMT system test rack | |
| CN2605166Y (en) | Electric controlled booster relay valve and its brake pipe system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230510 Address after: No. 456, Binhai 4th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: WENZHOU RUILI KORMEE AUTOMOTIVE ELECTRONICS CO.,LTD. Address before: Ruian City, Wenzhou City, 325200 Zhejiang Province Economic Development Zone No. 1169 Meng Lu Patentee before: RUILI GROUP RUIAN AUTO PARTS Co.,Ltd. |
|
| TR01 | Transfer of patent right |