CN2858458Y - Electric injection three-wheel motorcycle with dual-purpose fuel - Google Patents
Electric injection three-wheel motorcycle with dual-purpose fuel Download PDFInfo
- Publication number
- CN2858458Y CN2858458Y CNU2006201108245U CN200620110824U CN2858458Y CN 2858458 Y CN2858458 Y CN 2858458Y CN U2006201108245 U CNU2006201108245 U CN U2006201108245U CN 200620110824 U CN200620110824 U CN 200620110824U CN 2858458 Y CN2858458 Y CN 2858458Y
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- China
- Prior art keywords
- fuel
- valve
- gas cylinder
- natural gas
- driving engine
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model discloses an electric injection three-wheel motorcycle with dual-purpose fuel, having two fuel supply systems, i.e., a gasoline supply system composed of an oil box, a fuel pump, an oil injection device and an engine, and a natural gas supply system composed of a gas bottle, a compressed natural gas pressure gauge, a charge valve, a pressure reducing valve, a power valve, a mixer, a throttle valve, an oil injection device and an engine. The conduction of the gasoline supply system is controlled by a conversion switch via the fuel dump, when gasoline is used, the conversion switch controls the work of the fuel dump to open an oil passage and close an electromagnetic valve; when natural gas is used, the conversion switch controls the work of the fuel dump to cut off the oil passage and open the electromagnetic valve so as to make the natural gas supply system conduction. Thus, the motorcycle can select natural gas as a main power source based on request so that cost is reduced and pollution problem is solved, and select gasoline as main power source when accelerating or loading charge so that power problem is solved correspondingly.
Description
Technical field
The utility model relates to a kind of motor bike, especially dual-purpose fuel EFI motor-tricycle.
Background technology
At present, the driving engine that uses on the motor-tricycle of domestic production mainly is divided into two kinds of EFI formula and non-EFI formulas, and that non-EFI formula driving engine pollutes is big, oil consumption is high, but cost is lower; And EFI formula driving engine is compared with non-EFI formula driving engine, and its pollution is less, oil consumption is lower, but cost is higher; Their common ground is to be fuel with gasoline.Along with the rise of oil price and the raising of environmental demands, the more and more requirement of incompatibility social development of single fuel gasoline driving engine motor-tricycle.
Meanwhile, the three-wheel vehicle of clean energy resource has appearred on the market adopting, all with storage battery and autogas substitute as gasoline, though storage battery can solve oil consumption and pollution problem, but, make it be difficult to dominate the market as the vehicle of maturation owing to there is the outstanding problem that dynamic property is not good and mileages of continuation is not long; Adopt the three-wheel vehicle of autogas, though solved pollution and dynamic property problem, but still can't break away from dependence to oil.
CNG is the abbreviation of compression natural gas.CNG is nontoxic, tasteless, colourless gas, have price low, do not contain carcinogens such as benzene, lead, sulphur (exhaust pollution be gasoline 1/3), and the work area does not have carbon distribution, does not dilute machine oil, engine wear little (can save 50% machine oil expense and automotive servicing expense), reserves are abundant is convenient to store characteristics such as transportation, is present ideal gasoline substitute.Along with maturation and Infrastructure such as aerating net perfect of Compressed Natural Gas Technology on automobile is used, making becomes possibility with this technology transplant in motor-tricycle.Test result shows that the bunkerage that the CNG car is hundred kilometers is about 20% of a regular-grade gasoline car, and economic benefit is fairly obvious.Particularly after using electronic fuel injection engine, its exhaust emission reaches Europe II, does can reach Europe III effluent standard after the further technological improvement, and startup and rideability all have clear improvement.
The utility model content
For solving above technical matters, the purpose of this utility model is to provide a kind of gasoline that can use to act as a fuel, and can use the dual-purpose fuel EFI motor-tricycle of compression natural gas as fuel again.
The technical solution of the utility model is as follows: a kind of dual-purpose fuel EFI motor-tricycle, fuel tank is connected with driving engine by fuel charger, fuel injector, crank-position sensor is housed in driving engine, and be connected by water pipe between the water inlet of driving engine and the water outlet of water tank and between the water inlet of the water outlet of driving engine and water tank, form the water route circulation; Empty filter communicates with fuel injector after connecting throttle gate by pipeline, be connected by circuit between this fuel injector and the electric spraying control unit ECU and between electric spraying control unit ECU and the crank-position sensor, on described throttle gate, throttle position sensor is installed, its key is: gas cylinder is equipped with in the bottom at vehicle body, after this gas cylinder connects compression natural gas compression indicator and charge valve successively by pipeline, join with the admission port of reducing valve, electromagnetic valve is housed, and the air extractor duct of reducing valve is connected with the admission port of dynamic valve by pipeline on reducing valve; On the connecting line between described empty filter and the throttle gate mixer is installed, this mixer is connected with the air extractor duct of described dynamic valve by pipeline; The water inlet of described reducing valve is connected on the water pipe between driving engine water outlet and the water tank inlet by pipeline, and the water outlet of reducing valve is connected on the water pipe between engine water inlet and the water outlet of water tank by pipeline; Next door at the direction post is provided with change-over swith, and the air pressure input interface of this change-over swith is connected with the compression natural gas compression indicator, and the mouth of ignition signal input interface and firing unit joins, and receives the signal of compression natural gas compression indicator and firing unit; And the control of change-over swith oil output interface is connected with fuel charger, and its control gas output interface is connected with electromagnetic valve, controls fuel charger and electromagnetic valve work respectively; Be in series with emulator between electric spraying control unit ECU and fuel injector, this emulator is to electric spraying control unit ECU input gasoline fuel injection signal.
The utlity model has two cover fuel feed systems, i.e. gas supply system that forms by fuel tank, fuel charger, fuel injector and driving engine and the natural gas supply systems of forming by gas cylinder, compression natural gas compression indicator, charge valve, reducing valve, dynamic valve, mixer, throttle gate, fuel injector and driving engine.The conducting of gas supply system is controlled by fuel charger by change-over swith, and the radical function of fuel charger is that the gasoline in the fuel tank is pumped out to fuel injector, and when using gasoline, the work of change-over swith control fuel charger is opened oil circuit, simultaneously closed electromagnetic valve; When using natural fuels, change-over swith control fuel charger is closed oil circuit is cut off, and electromagnetic valve is opened simultaneously, makes the natural gas supply system conducting.Motor bike can select for use natural fuels as the major impetus source as required like this, has not only reduced cost but also solved pollution problem; When needs quicken or add under the situation such as load to use gasoline instead as propulsion source, correspondingly solved the dynamic property problem.
Reducing valve inserts the circulation waterway between driving engine and the water tank, utilizes the hot water that liquid-cooled engine flows out that reducing valve is heated, and prevents that admission port ice is stifled; The injection of emulator control gasoline when using gasoline, is connected injector control circuit, keeps the normal operation of gasoline injection system; Cut off the control circuit of petrol jet when using combustion gas,, keep the normal operation of electric spraying control unit ECU simultaneously to electric spraying control unit ECU input gasoline fuel injection analog signal.
On the connection line between above-mentioned electric spraying control unit ECU and the crank-position sensor, be in series with the advance spark device, a signal input interface of this advance spark device is connected with the control gas output interface of change-over swith, the mouth of another signal input interface contact firearm, the 3rd signal input interface is connected with throttle position sensor.
When using natural fuels, the advance spark device makes the spark advance angle of electric spraying control unit ECU control strengthen certain number of degrees, to remedy the slow shortcoming of combustion of natural gas by revising the signal of crank-position sensor; When using gasoline work, recover the point of ignition of electric spraying control unit ECU control.
Be provided with the gas cylinder case in the bottom of above-mentioned vehicle body, the bottom of gas cylinder case has air extractor vent, and described gas cylinder, compression natural gas compression indicator, charge valve and storage battery are installed in this gas cylinder case.Gas cylinder is installed in the gas cylinder case, and gas cylinder and chaufeur are isolated, in case the gas cylinder joint has leakage, natural fuels can leave from the air extractor vent at the bottom of the case, can avoid natural fuels to the murder by poisoning of human body and the deflagration accident having that catches fire.
Fix at the bottom of the case of above-mentioned gas cylinder by anchor ear and gas cylinder case, the bottleneck valve is housed at the air extractor duct place of gas cylinder.Gas cylinder is the special-purpose gas cylinder that stores compression natural gas, can select safety durable for use, the steel gas cylinder that plot ratio is high, and to dispose fusing point be the safety anti-explosive diaphragm that 95～105 ℃ fusible plug and damaged pressure are 25～30Mpa; The bottleneck valve can cut out the passage that natural fuels is supplied with where necessary.
Beneficial effect: the utility model can either use gasoline to act as a fuel, and can use compression natural gas to be fuel again, greatly reduces use cost, has reduced environmental pollution, has to be skillfully constructed, to implement advantages such as easy, is suitable for large-scale promotion application.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the connection diagram of gas supply system of the present utility model and natural gas supply system.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2 and shown in Figure 3, the utility model is by component set-ups such as tire 27, web wheel 28, front fork 29, direction post 2, underframe 30, vehicle body 1, trailing arm 31, spiral spring 32, back axle 33, empty filter 7, fuel tank 3, fuel charger 4, fuel injector 5, driving engine 6, throttle gate 8, electric spraying control unit ECU9, firing unit 10, water tank 11 and storage batterys 12, and each position component relation and annexation are same as the prior art.Empty filter 7, throttle gate 8, fuel tank 3, fuel charger 4, fuel injector 5 and driving engine 6 etc. are distributed in the afterbody of vehicle body 1, and empty filter 7 connects throttle gate 8 backs by pipeline and communicates with fuel injector 5.Fuel tank 3, fuel charger 4, fuel injector 5 and driving engine 6 pipeline successively are connected, and form the gas supply system, and the oil return nozzle of fuel injector 5 are received on the return opening of fuel tank 3 by pipeline.Being connected by water pipe between the water outlet of the water inlet of driving engine 6 and water tank 7 and between the water inlet of the water outlet of driving engine 6 and water tank 7, form the water route circulation.In the bottom of vehicle body 1 gas cylinder 14 is housed, after this gas cylinder 14 connects compression natural gas compression indicator 15 and charge valve 16 successively by pipeline, join with the admission port of reducing valve 17, electromagnetic valve 18 is housed on reducing valve 17, and the air extractor duct of reducing valve 17 is connected by the admission port of pipeline with dynamic valve 19; On the connecting line between described empty filter 7 and the throttle gate 8 mixer 20 is installed, this mixer 20 is connected by the air extractor duct of pipeline with described dynamic valve 19.Mixer 20 is the venturi type mixer, is integrated in the air extractor duct place of sky filter 7, has both saved the space, simplifies the structure again.Gas cylinder 14, compression natural gas compression indicator 15, charge valve 16, reducing valve 17, dynamic valve 19, mixer 20, throttle gate 8 and driving engine 6 are formed natural gas supply system.The water inlet of described reducing valve 17 is connected on the water pipe between driving engine water outlet and the water tank inlet by pipeline, and the water outlet of reducing valve 17 is connected on the water pipe between engine water inlet and the water outlet of water tank by pipeline; Utilize the hot water that liquid-cooled engine 6 flows out that reducing valve 17 is heated, prevent that admission port ice is stifled.
As shown in Figure 3, circuit connecting relation of the present utility model is: input interface of electric spraying control unit ECU9 is connected with the air charge temperature sensor 34 on the empty filter 7, receives the air-temperature sensing signal; Second input interface is connected with throttle position sensor 8a on being installed in throttle gate 8, receives throttle position signal; The 3rd input interface is connected with cylinder head temperature sensor 35 on the driving engine 6, receives the center housing temperature signal; The 4th input interface series connection igniting advancing device 23 backs are connected the reception crankshaft-position signal with crank-position sensor 13 in the driving engine 6; The mouth of electric spraying control unit ECU9 is successively behind series connection point firearm 10, the high-tension coil 36, is connected with light-up plug 37 in the driving engine 6; Behind the input/output terminal series connection emulator 22 of electric spraying control unit ECU9, be connected with fuel injector 5.Electric spraying control unit ECU9 is the control center of system controlled by computer gasoline injection system and ignition system, the electrical information signal that ECU sends here according to air charge temperature sensor 34, throttle position sensor 8a, cylinder head temperature sensor 35, crank-position sensor 13, carry out computing, processing, judgement, with the point of ignition of determining driving engine needed best fuel injection amount and ignition system under various operative conditions and carry out optimal control.Electric spraying control unit ECU9 is public technology, and its structure and principle of work are not given unnecessary details at this.
The change-over swith 21 that is positioned at direction post 2 next doors is powered by storage battery 12, and provides operating voltage to compression natural gas compression indicator 15, electromagnetic valve 18, fuel charger 4, advance spark device 23 and emulator 22 simultaneously.The air pressure input interface of change-over swith 21 is connected with compression natural gas compression indicator 15, and the mouth of ignition signal input interface and firing unit 10 joins; And the control of change-over swith 21 oil output interface is connected with fuel charger 4 by lead, and its control gas output interface is connected with electromagnetic valve 18 with emulator 22 respectively.The injection of emulator 22 control gasoline when using gasoline, is connected fuel injector 5 control circuits, keeps the normal operation of gasoline injection system; Cut off the control circuit of petrol jet when using combustion gas,, keep the normal operation of electric spraying control unit ECU simultaneously to electric spraying control unit ECU9 input gasoline fuel injection analog signal.
A signal input interface of described advance spark device 23 is connected with the control gas output interface of change-over swith 21, the mouth of another signal input interface contact firearm 10, and the 3rd signal input interface is connected with throttle position sensor 8a.When using natural fuels, advance spark device 23 makes the spark advance angle of electric spraying control unit ECU9 control strengthen certain number of degrees, to remedy the slow shortcoming of combustion of natural gas by revising the signal of crank-position sensor 13; When using gasoline work, recover the point of ignition of electric spraying control unit ECU9 control.
The switching of the utility model fuel feeding or air feed is by change-over swith 21 controls, and change-over swith 21 adopts LED to show, establishes three gears:
" oil " position shelves, corresponding indicator lamp is bright, opens the Fuel Petroleum oil circuit;
The no indicator lamp of midway location " neutral gear ", oil circuit and gas circuit are all obstructed, are the transition gears of " oil " commentaries on classics " gas ";
" gas " position shelves, corresponding indicator lamp is bright, driving engine 6 runnings, change-over swith 21 can receive impulse singla, and assurance high-pressure solenoid valve 18 is opened, and the gas circuit of reducing valve 17, mixer 20 is open-minded; If driving engine 6 does not turn round, do not have impulse singla to pass to change-over swith 21, change-over swith 21 outage automatically of just only switching on about 3s, so just make driving engine 6 flame-out after, SELF CL natural fuels high-pressure system, not only safety but also saving fuel.
Can find out further that from Fig. 1, Fig. 2 be provided with gas cylinder case 24 in the bottom of vehicle body 1, the bottom of gas cylinder case 24 has air extractor vent, described gas cylinder 14, compression natural gas compression indicator 15, charge valve 16 and storage battery 12 are installed in this gas cylinder case 24.Wherein fix at the bottom of the case of gas cylinder 14 by anchor ear 25 and gas cylinder case 24, the convenient gas cylinder 14 that takes out overhauls; Bottleneck valve 26 is equipped with at air extractor duct place at gas cylinder 14, and compression natural gas compression indicator 15 and charge valve 16 are installed in the bottleneck side of gas cylinder 14, helps shortening pipeline, is convenient to inspect residue tolerance and aerating.Gas cylinder 14 is isolated with chaufeur, in case the gas cylinder joint has leakage, natural fuels can leave from the air extractor vent at the bottom of the case, can avoid natural fuels to the murder by poisoning of human body and the deflagration accident having that catches fire.
The utility model is to realize air feed like this: when fuelled with natural gas, bottleneck valve 26 is opened, oil/gas shift the switch 21 that is installed in headstock is pulled the position of " gas ", natural fuels electromagnetic valve 18 is opened at this moment, fuel charger 4 is closed oil circuit is cut off, 20Mpa high-pressure natural gas in the gas cylinder 14 enters reducing valve 17 by pressure duct and reduces pressure step by step, enter mixer 20 by low pressure line, dynamic valve 19 again, and with mix through empty filter 7 inlet airs, enter driving engine 6 cylinder combustions through throttle gate 8, fuel injector 5 passages.Reducing valve 17 is complementary with mixer 20, according to the different degree of vacuum of various different operating modes generations of driving engine 6, and the air demand of automatically regulating reducing valve 17, and natural fuels is evenly mixed with air, satisfy the operating needs of Under Different Work Condition of Engine.
The utility model is to realize fuel feeding like this: when making when using gasoline for the fuel, bottleneck valve 26 cuts out, oil/gas shift the switch 21 that is installed in headstock is pulled the position of " oil ", fuel charger 4 work, electromagnetic valve 18 is closed gas circuit is cut off, and gasoline enters fuel injector 5 and is inhaled into driving engine 6 cylinder combustions from fuel tank 3.
Claims (4)
1, a kind of dual-purpose fuel EFI motor-tricycle, fuel tank (3) is connected with driving engine (6) by fuel charger (4), fuel injector (5), crank-position sensor (13) is housed in driving engine (6), and be connected by water pipe between the water inlet of between the water inlet of driving engine (6) and the water outlet of water tank (11) and the water outlet of driving engine (6) and water tank (11), form the water route circulation; Empty filter (7) connects throttle gate (8) back by pipeline and communicates with fuel injector (5), be connected by circuit between this fuel injector (5) and the electric spraying control unit ECU (9) and between electric spraying control unit ECU (9) and the crank-position sensor (13), go up installation throttle position sensor (8a) at described throttle gate (8), it is characterized in that:
A, gas cylinder (14) is housed in the bottom of vehicle body (1), after this gas cylinder (14) connects compression natural gas compression indicator (15) and charge valve (16) successively by pipeline, join with the admission port of reducing valve (17), electromagnetic valve (18) is housed, and the air extractor duct of reducing valve (17) is connected by the admission port of pipeline with dynamic valve (19) on reducing valve (17); On the connecting line between described empty filter (7) and the throttle gate (8) mixer (20) is installed, this mixer (20) is connected by the air extractor duct of pipeline with described dynamic valve (19);
The water inlet of B, described reducing valve (17) is connected on the water pipe between driving engine water outlet and the water tank inlet by pipeline, and the water outlet of reducing valve (17) is connected on the water pipe between engine water inlet and the water outlet of water tank by pipeline;
C, be provided with change-over swith (21) on the next door of direction post (2), the air pressure input interface of this change-over swith (21) is connected with compression natural gas compression indicator (15), the mouth of ignition signal input interface and firing unit (10) joins, and receives the signal of compression natural gas compression indicator (15) and firing unit (10); And the control of change-over swith (21) oil output interface is connected with fuel charger (4), and its control gas output interface is connected with electromagnetic valve (18), controls the work of fuel charger (4) and electromagnetic valve (18) respectively;
D, be in series with emulator (22) between electric spraying control unit ECU (9) and fuel injector (5), this emulator (22) is to electric spraying control unit ECU (9) input gasoline fuel injection signal.
2, dual-purpose fuel EFI motor-tricycle according to claim 1, it is characterized in that: on the connection line between electric spraying control unit ECU (9) and the crank-position sensor (13), be in series with advance spark device (23), a signal input interface of this advance spark device (23) is connected with the control gas output interface of change-over swith (21), the mouth of another signal input interface contact firearm (10), the 3rd signal input interface is connected with throttle position sensor (8a).
3, dual-purpose fuel EFI motor-tricycle according to claim 1, it is characterized in that: be provided with gas cylinder case (24) in the bottom of vehicle body (1), the bottom of gas cylinder case (24) has air extractor vent, and described gas cylinder (14), compression natural gas compression indicator (15), charge valve (16) and storage battery (12) are installed in this gas cylinder case (24).
4, dual-purpose fuel EFI motor-tricycle according to claim 3 is characterized in that: fix at the bottom of the case of described gas cylinder (14) by anchor ear (25) and gas cylinder case (24), at the air extractor duct place of gas cylinder (14) bottleneck valve (26) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201108245U CN2858458Y (en) | 2006-06-20 | 2006-06-20 | Electric injection three-wheel motorcycle with dual-purpose fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201108245U CN2858458Y (en) | 2006-06-20 | 2006-06-20 | Electric injection three-wheel motorcycle with dual-purpose fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2858458Y true CN2858458Y (en) | 2007-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201108245U Expired - Fee Related CN2858458Y (en) | 2006-06-20 | 2006-06-20 | Electric injection three-wheel motorcycle with dual-purpose fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2858458Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383949A (en) * | 2011-10-25 | 2012-03-21 | 王旭光 | Fuel switching controller of coke oven gas gasoline automobile |
| CN106499526A (en) * | 2016-11-30 | 2017-03-15 | 江苏宗申车业有限公司 | A kind of double electric injection systems of motor oil gas |
-
2006
- 2006-06-20 CN CNU2006201108245U patent/CN2858458Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383949A (en) * | 2011-10-25 | 2012-03-21 | 王旭光 | Fuel switching controller of coke oven gas gasoline automobile |
| CN106499526A (en) * | 2016-11-30 | 2017-03-15 | 江苏宗申车业有限公司 | A kind of double electric injection systems of motor oil gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING JING TONG LI YANG MOTORCYCLE MANUFACTURI Free format text: FORMER OWNER: CHONGQING CITY COACH GENERAL FACTORY Effective date: 20090619 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090619 Address after: Bridge Industrial Park Dadukou District of Chongqing Road Bridge No. 8, zip code: 400084 Patentee after: CHONGQING JINGTONG LIYANG MOTORCYCLE MANUFACTURE CO., LTD. Address before: No. 109 Pine Road, Chongqing, Yubei District: 401147 Patentee before: Chongqing Bus General Factory |
|
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING BUS GENERAL FACTORY Free format text: FORMER OWNER: CHONGQING KINGTONG LIYANG MOTORCYCLE MANUFACTURING CO., LTD. Effective date: 20110223 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 400084 NO.8, JINQIAO ROAD, JIANQIAO INDUSTRIAL PARK, DADUKOU DISTRICT, CHONGQING TO: 401120 NO.888, XIANGYU ROAD, YUBEI DISTRICT, CHONGQING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110223 Address after: 401120 Chongqing City, Yubei District Xiangyu Road No. 888 Patentee after: Chongqing Bus General Factory Address before: Bridge Industrial Park 400084 Dadukou District of Chongqing Road Bridge No. 8 Patentee before: CHONGQING JINGTONG LIYANG MOTORCYCLE MANUFACTURE CO., LTD. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20110620 |