CN106379301A - II-type double-brake circuit with invalidation protection and braking method - Google Patents
II-type double-brake circuit with invalidation protection and braking method Download PDFInfo
- Publication number
- CN106379301A CN106379301A CN201611003811.2A CN201611003811A CN106379301A CN 106379301 A CN106379301 A CN 106379301A CN 201611003811 A CN201611003811 A CN 201611003811A CN 106379301 A CN106379301 A CN 106379301A
- Authority
- CN
- China
- Prior art keywords
- brake
- sabs
- fail safe
- outlet
- loop
- 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
Classifications
-
- 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
- B60T13/10—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 fluid assistance, drive, or release
- B60T13/24—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 fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
-
- 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
- B60T13/10—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 fluid assistance, drive, or release
- B60T13/24—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 fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
- B60T13/57—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of control valves
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention relates to an II-type double-brake circuit with invalidation protection and a braking method. The II-type double-brake circuit comprises a brake pedal, a vacuum booster, a brake master cylinder, a front brake circuit, a rear brake circuit, a loading sensing pressure proportioning valve, a rear brake hose, a rear brake and an invalidation protection circuit, wherein the brake pedal is connected with the vacuum booster; the vacuum booster is connected with the brake master cylinder; a first outlet of the brake master cylinder is connected with a front brake through the front brake circuit; a second outlet of the brake master cylinder is connected with an inlet of the loading sensing pressure proportioning valve through the rear brake circuit; an outlet of the loading sensing pressure proportioning valve is connected with the rear brake through the rear brake hose; an invalidation protection interface is arranged on the loading sensing pressure proportioning valve; the invalidation protection circuit is respectively connected with the front brake circuit and the invalidation protection interface. The invalidation protection interface is arranged on the loading sensing pressure proportioning valve and the invalidation protection circuit is added, so that the braking performance under an emergency braking condition can be guaranteed.
Description
Technical field
The invention belongs to brakes technical field, particularly relate to a kind of II type double brake loop with fail safe and system
Dynamic method.
Background technology
Automobile is generally divided into II type and X-type brake circuit；For the lorry of rear wheel drive, generally use the double system of II type
Dynamic loop.Automobile brake steps on brake pedal mainly by driver, each before and after brake fluid pressure being transferred to by master cylinder
Brake circuit, acts on brake, produces brake force.Former and later two loops work independently, and are independent of each other.
Traditional lorry is general to adopt double II type brake circuits.After a partial failure, another loop is still permissible
Produce pressure, normal brake application.Simultaneously general lorry all carries adjustor of brake force SABS.SABS is main
For adjusting rear wheel braking pressure, prevent trailing wheel prior to front-wheel locking, it is to avoid vehicle occurs whipping sideslip situation.But such knot
Structure also brings a problem, and that is, when front loop lost efficacy, rear circuit pressure is still limited by SABS, promptly
It is unable to reach certain pressure when situation is brought to a halt, lead to braking distance to become very long, be susceptible to vehicle accident.
It is illustrated in figure 1 traditional II type double brake loop structure, brake pedal 01 is connected with vacuum booster 02, and vacuum helps
Power device 02 is connected with master cylinder 03, and master cylinder 03 is connected with front brake circuit 04 and rear brake circuit 06 respectively, front braking
Loop 04 is connected with front brake 05, and rear brake circuit 06 is connected with SABS 07, and SABS 07 is by rear braking
Flexible pipe 08 is connected with rear brake 09.
Operation principle is：
Driver's brake pedal, by the power-assisted effect of vacuum booster, promotes brake fluid in master cylinder to set up
Pressure, makes before and after's brake circuit be filled with brake fluid, sets up brake circuit oil pressure.Front brake circuit oil pressure directly acts on front system
Dynamic device, produces certain brake force.Loop braking oil pressure needs after the regulation of SABS afterwards, then exports certain
Braking oil pressure is supplied to rear brake and produces brake force, and Main Function is exactly to prevent trailing wheel prior to front-wheel locking, breaks away.This
Planting loop is exactly II type double brake loop structure.Brake circuit is separate in front and back, is independent of each other, therefore, if some braking
Partial failure (situations such as pipeline ftractures), another brake circuit can provide brake force with normal work for car load.
The shortcoming in traditional II type double brake loop is that, after front brake circuit lost efficacy, if running into emergency, driver steps on
After lower brake pedal, only after brake circuit work, but rear brake circuit brake pressure can through the regulation of SABS,
The pressure passing to rear brake can reduce a lot, has no idea to reach the brake force of an operator demand it is impossible to reach in short-term
Interior make vehicle immobilization, easily cause vehicle accident.
Content of the invention
It is an object of the invention to provide a kind of II type double brake loop with fail safe and braking method, to solve front system
During dynamic partial failure, because SABS has that to lead braking distance elongated.
A kind of II type double brake loop with fail safe, including brake pedal, vacuum booster, master cylinder, front system
Dynamic loop, front brake, rear brake circuit, SABS, rear air-brake coupling hose and rear brake；Described brake pedal with described
Vacuum booster connects, and described vacuum booster is connected with described master cylinder；Described master cylinder first outlet with described before
Connected by front brake circuit between brake；
It is connected by described rear brake circuit between described master cylinder second outlet and the entrance of described SABS；
It is connected by described rear air-brake coupling hose between the outlet of described SABS and described rear brake；
Fail safe interface is arranged on described SABS；
Also include fail safe loop, described fail safe loop connects described front brake circuit respectively and described inefficacy is protected
Shield interface.
In double brake loop, brake fluid braking stream includes：
First flow path, brake fluid enters into described front system from described master cylinder first outlet through described front brake circuit
Dynamic device；
Second flow path, brake fluid brake circuit after described master cylinder second outlet enters, by SABS
Entrance enter described SABS, by described salty carry proportioning valve outlet after described air-brake coupling hose enter described after make
Dynamic device；
3rd stream, the partial brake liquid in described first flow path enters in described fail safe loop.
Also include the 4th stream, brake fluid brake circuit after described master cylinder second outlet enters, described sense carries ratio
The entrance of example valve is directly turned on the outlet of described SABS, and described brake fluid directly passes through entering of described SABS
Mouth, the outlet of described SABS the described rear brake of air-brake coupling hose entrance after described.
The braking method with the II type double brake loop of fail safe for any of the above-described, including：
Under normal circumstances, brake pedal, makes master cylinder work by vacuum booster, brake fluid is from master cylinder
First outlet enters front brake by front brake circuit after flowing out；
Described brake fluid is entered by the entrance of rear brake circuit and SABS after the outflow of master cylinder second outlet
Enter in SABS, after described SABS is adjusted, the outlet by SABS for the brake fluid, through making later
Dynamic flexible pipe enters rear brake；
Meanwhile, the partial brake liquid in front brake circuit enters in fail safe loop, and this partial brake liquid acts on
The fail safe interface of SABS, the fail safe interface for described SABS provides pressure；
During current brake partial failure, in described front brake circuit, there is no pressure, do not press in fail safe loop meanwhile
Power, when described fail safe interface senses do not have pressure in fail safe loop, the entrance of SABS and described sense
The outlet carrying proportioning valve directly turns on, and described brake fluid is directly over rear air-brake coupling hose and enters in described rear brake.
The invention has the beneficial effects as follows：
By setting fail safe interface on SABS and increase fail safe loop it is ensured that in brake hard feelings
Braking ability under condition.
In the technical scheme of the application, SABS is Purely mechanical, and structure is reliable.
Brief description
Fig. 1 is traditional II type double brake loop structure schematic diagram；
Fig. 2 is band fail safe II type double brake loop structure schematic diagram of the present invention；
Fig. 3 is internal flow path schematic diagram during SABS normal regulating；
Stream schematic diagram in SABS when Fig. 4 lost efficacy for front brake circuit.
Description of reference numerals
01 brake pedal, 02 vacuum booster, 03 master cylinder, 04 front brake circuit, 05 front brake, brake back after 06
Road, 07 SABS, air-brake coupling hose after 08,09 rear brake, 1 brake pedal, 2 vacuum boosters, 3 master cylinders, make before 4
Dynamic loop, 5 front brake, brake circuit after 6,7 SABSs, air-brake coupling hose after 8,9 rear brake, 10 fail saves are returned
Road, 11 fail safe interfaces, 12 entrances, 13 valve ports, 14 outlets.
Specific embodiment
To describe technical scheme by the following examples in detail, below example is only exemplary, only
Can be used for explaining and illustrate technical scheme, and be not to be construed as the restriction to technical solution of the present invention.
The present invention provides a kind of II type double brake loop with fail safe, as shown in Figures 2 to 4, including brake pedal
1st, vacuum booster 2, master cylinder 3, front brake circuit 4, front brake 5, rear brake circuit 6, SABS 7, rear braking
Flexible pipe 8 and rear brake 9；Brake pedal is connected with vacuum booster, and vacuum booster is connected with master cylinder；Master cylinder
One outlet is connected by front brake circuit between front brake.In this application, front brake circuit part and existing technology
Scheme is identical.
It is connected by rear brake circuit between master cylinder second outlet and the entrance 12 of SABS；SABS
Outlet 14 and rear brake between be connected by rear air-brake coupling hose；Under normal circumstances, the technical scheme of rear brake circuit is with now
There is technical scheme also identical.
Fail safe interface 11 is arranged on SABS；The improvement of the application arranges mistake first on SABS
Effect protection interface, this fail safe interface by pressure transducer control, specific control method be when pressure transducer sense to
During brake pressure, the entrance of SABS passes through the outlet of structure and SABS in SABS body；In system
In the case of dynamic, when pressure transducer does not sense the pressure of fail safe interface, control entrance and the sense of SABS
The outlet carrying proportioning valve directly connects, and now, SABS only plays pipeline effect.
Also include fail safe loop 10, fail safe loop connects front brake circuit and fail safe interface respectively.
In double brake loop, brake fluid braking stream includes：
First flow path, brake fluid enters into front brake from master cylinder first outlet through front brake circuit, for front
Wheel braking.
Second flow path, brake fluid brake circuit after the entrance of master cylinder second outlet, by the entrance of SABS
Enter SABS, rear brake is entered through air-brake coupling hose later by the salty outlet carrying proportioning valve；For rear service brake, make
Hydrodynamic, when entering into SABS, is adjusted to brake fluid by SABS.
3rd stream, the partial brake liquid in first flow path enters in fail safe loop, for for SABS
Fail safe interface provide sensing pressure.
Also include the 4th stream, the 4th stream only current brake partial failure when exist, now, the 3rd stream by the 4th flow
Road is replaced, and the 4th stream is brake fluid brake circuit, the entrance of SABS and sense after the entrance of master cylinder second outlet
The outlet carrying proportioning valve directly turns on, and brake fluid is directly by the entrance of SABS, the exporting and passing through of SABS
Air-brake coupling hose enters rear brake afterwards.
The braking method with the II type double brake loop of fail safe for any of the above-described, including：
Under normal circumstances, brake pedal, makes master cylinder work by vacuum booster, brake fluid is from master cylinder
First outlet enters front brake by front brake circuit after flowing out.
Brake fluid is entered into by the entrance of rear brake circuit and SABS after the outflow of master cylinder second outlet
In SABS, after SABS is adjusted, the outlet by SABS for the brake fluid, enter through air-brake coupling hose later
Enter rear brake.
Meanwhile, the partial brake liquid in front brake circuit enters in fail safe loop, and this partial brake liquid acts on
The fail safe interface of SABS, the fail safe interface for SABS provides pressure；
During current brake partial failure, in front brake circuit, there is no pressure, meanwhile, fail safe does not have pressure in loop,
When fail safe interface senses do not have pressure in fail safe loop, the entrance of SABS is gone out with SABS
Mouth directly turns on, and brake fluid is directly over rear air-brake coupling hose and enters in rear brake.
In the technical scheme of the application, as shown in Fig. 2 under front brake circuit failure conditions, fail safe does not have in loop
There is brake pressure, also without pressure, valve port is normally opened for SABS fail safe interface, so that rear brake circuit braking pressure
Power will not reduce brake pressure because of SABS effect, and rear brake reaches the oil pressure of maximum, and vehicle can obtain maximum
Brake force, allow vehicle to stop within the shortest time.
Operation principle：Fig. 3 and Fig. 4 represents under normal condition and under front brake circuit failure state respectively, corresponding braking
Liquor stream to.With the SABS of fail safe interface, mainly there are an entrance, one outlet, a fail safe interface
(fail safe interface is directly connected to export), under normal circumstances, fail safe interface has pressure to withstand spring, and valve port 13 is closed
Close, after brake oil enters valve body, can be entered according to valve port 13 size to outlet, pressure after the valve port at normal regulating is adjusted
Row pressure is adjusted；When front brake circuit lost efficacy, fail safe interface does not have pressure, and valve port is opened, and oil pressure is after entrance entrance
Flow directly into outlet, adjust without the valve body at normal regulating.
The description that the above is only the preferred embodiment of the present invention it is noted that due to the finiteness of literal expression, and
Objectively there is unlimited concrete structure, for those skilled in the art, without departing from the principle of the invention
On the premise of, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of II type double brake loop with fail safe, including brake pedal, vacuum booster, master cylinder, front braking
Loop, front brake, rear brake circuit, SABS, rear air-brake coupling hose and rear brake；Described brake pedal is true with described
Empty booster connects, and described vacuum booster is connected with described master cylinder；Described master cylinder first outlet and described front system
Connected by front brake circuit between dynamic device；
It is connected by described rear brake circuit between described master cylinder second outlet and the entrance of described SABS；Described
It is connected by described rear air-brake coupling hose between the outlet of SABS and described rear brake；It is characterized in that：
Fail safe interface is arranged on described SABS；
Also include fail safe loop, described fail safe loop connects described front brake circuit respectively and described fail safe connects
Mouthful.
2. the II type double brake loop with fail safe according to claim 1 it is characterised in that：In double brake loop,
Brake fluid braking stream includes：
First flow path, brake fluid enters into described front braking from described master cylinder first outlet through described front brake circuit
Device；
Second flow path, brake fluid brake circuit after described master cylinder second outlet enters, by the entrance of SABS
Enter described SABS, by described salty carry proportioning valve outlet after described air-brake coupling hose enter described after brake
Device；
3rd stream, the partial brake liquid in described first flow path enters in described fail safe loop.
3. the II type double brake loop with fail safe according to claim 2 it is characterised in that：Also include the 4th stream
Road, brake fluid brake circuit after described master cylinder second outlet enters, the entrance of described SABS is carried with described sense
The outlet of proportioning valve directly turns on, and described brake fluid is directly by the entrance of described SABS, described SABS
Export and air-brake coupling hose enters described rear brake after described.
4. the braking method with the II type double brake loop of fail safe for any one of the claims 1 to 3, its feature exists
In：Including：
Under normal circumstances, brake pedal, makes master cylinder work by vacuum booster, brake fluid is from master cylinder first
Outlet enters front brake by front brake circuit after flowing out；
Described brake fluid is entered into by the entrance of rear brake circuit and SABS after the outflow of master cylinder second outlet
In SABS, after described SABS is adjusted, the outlet by SABS for the brake fluid, soft through braking later
Pipe enters rear brake；
Meanwhile, the partial brake liquid in front brake circuit enters in fail safe loop, and this partial brake liquid acts on sense and carries
The fail safe interface of proportioning valve, the fail safe interface for described SABS provides pressure；
During current brake partial failure, in described front brake circuit, there is no pressure, meanwhile, fail safe does not have pressure in loop,
When described fail safe interface senses do not have pressure in fail safe loop, the entrance of SABS carries ratio with described sense
The outlet of example valve directly turns on, and described brake fluid is directly over rear air-brake coupling hose and enters in described rear brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003811.2A CN106379301A (en) | 2016-11-15 | 2016-11-15 | II-type double-brake circuit with invalidation protection and braking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611003811.2A CN106379301A (en) | 2016-11-15 | 2016-11-15 | II-type double-brake circuit with invalidation protection and braking method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106379301A true CN106379301A (en) | 2017-02-08 |
Family
ID=57958899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611003811.2A Pending CN106379301A (en) | 2016-11-15 | 2016-11-15 | II-type double-brake circuit with invalidation protection and braking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106379301A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3613839A (en) * | 1968-12-31 | 1971-10-19 | Bendix Corp | Vehicle brake system |
| CN201099233Y (en) * | 2007-11-12 | 2008-08-13 | 万安集团诸暨汽车零部件有限公司 | Double folding point load-sensing proportion valve |
| CN201143928Y (en) * | 2008-01-17 | 2008-11-05 | 安徽江淮汽车股份有限公司 | Light cargo vehicle brake fluid system with load proportional valve |
| CN202243441U (en) * | 2011-08-22 | 2012-05-30 | 宁波安捷制动器有限公司 | Hydraulic load-sensing proportional valve used for vehicle brake system |
-
2016
- 2016-11-15 CN CN201611003811.2A patent/CN106379301A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3613839A (en) * | 1968-12-31 | 1971-10-19 | Bendix Corp | Vehicle brake system |
| CN201099233Y (en) * | 2007-11-12 | 2008-08-13 | 万安集团诸暨汽车零部件有限公司 | Double folding point load-sensing proportion valve |
| CN201143928Y (en) * | 2008-01-17 | 2008-11-05 | 安徽江淮汽车股份有限公司 | Light cargo vehicle brake fluid system with load proportional valve |
| CN202243441U (en) * | 2011-08-22 | 2012-05-30 | 宁波安捷制动器有限公司 | Hydraulic load-sensing proportional valve used for vehicle brake system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11014545B2 (en) | Hydraulic brake system for a motor vehicle and method for operating and testing same | |
| CN109383554B (en) | Centralized brake control system and method for control train and brake control system for motor train unit | |
| US5246283A (en) | Electro-hydraulic brake apply system | |
| CN103318158B (en) | Integrated electronic hydraulic brake system of automobile | |
| CN105073529B (en) | Brakes for motor vehicle | |
| US4720151A (en) | Slip-controlled brake system for automotive vehicles | |
| CN106394880B (en) | A kind of aircraft electronic anti-skid brake system (ABS) ensuring emergency brake operation | |
| AU2013205185A1 (en) | Park Brake Control Assembly | |
| CN209037583U (en) | A kind of rail vehicle rescue parking brake control system | |
| CN104442767B (en) | Hydraulic braking system having energy feedback and ESP functions and control method of hydraulic braking system | |
| DE112020005850T5 (en) | BRAKE CONTROL DEVICE | |
| US3713702A (en) | Modulated spring brake | |
| CN105008193A (en) | Fluid-pressure brake device for vehicle | |
| CN113631443A (en) | Brake system having a pressure supply device and a safety door for a brake circuit | |
| CN208149298U (en) | A kind of brake fluid system for underground trackless Device-General chassis | |
| CN106379301A (en) | II-type double-brake circuit with invalidation protection and braking method | |
| US4749240A (en) | Slip-controlled brake system | |
| CN206644801U (en) | A kind of commercial car brakes compact back axle brake module | |
| JPH06504012A (en) | Regulator supply valve for adaptive brake/traction control equipment | |
| US3826542A (en) | Vehicle anti-skid braking system | |
| CN106627546A (en) | Commercial vehicle brake system compact rear axle braking module | |
| CN105035051B (en) | A kind of hydraulic auxiliary brake system | |
| JP2022521695A (en) | Fail-safe braking system | |
| CN105599742A (en) | Vehicular hydraulic braking supercharger and braking pressure distributing system | |
| CN104442769B (en) | Brake-by-wire system with pedal feedback force isolation function and isolation control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |