CN114673607B - Carburetor with air door locking mechanism - Google Patents
Carburetor with air door locking mechanism Download PDFInfo
- Publication number
- CN114673607B CN114673607B CN202210372102.0A CN202210372102A CN114673607B CN 114673607 B CN114673607 B CN 114673607B CN 202210372102 A CN202210372102 A CN 202210372102A CN 114673607 B CN114673607 B CN 114673607B
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- Prior art keywords
- magnet
- pull rope
- venturi
- rotating shaft
- carburetor
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
- F02M1/02—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling being chokes for enriching fuel-air mixture
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
- F02M19/08—Venturis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M9/00—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position
- F02M9/02—Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type; Carburettors having fuel-air mixing chambers of variable shape or position having throttling valves, e.g. of piston shape, slidably arranged transversely to the passage
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention discloses a carburetor with an air door locking mechanism, which comprises a carburetor body, wherein the carburetor body comprises a Venturi tube, a choke valve assembly and a throttle valve assembly, the choke valve assembly comprises a first rotating shaft and a choke valve arranged on the first rotating shaft, the first rotating shaft and the carburetor body are connected through a first torsion spring, the throttle valve assembly comprises a valve body, an oil needle, a reset spring and a cap, the valve body slides in the Venturi tube, the reset spring is arranged between the valve body and the cap, a first pull rope and a second pull rope are arranged in the Venturi tube, one end of the first pull rope is connected with the valve body, one end of the second pull rope is wound on the first rotating shaft, the other end of the first pull rope is provided with a first moving member, the other end of the second pull rope is provided with a second moving member, the first moving member is connected with the second moving member through a first elastic member, and the elasticity of the first elastic member is greater than that of the first torsion spring; the air and fuel mixing ratio is adjusted adaptively when the valve body moves to control the air inflow.
Description
Technical Field
The invention relates to the technical field of carburettors, in particular to a carburetor with a throttle locking mechanism.
Background
At present, a common carburetor has a throttle valve and a throttle valve, the throttle valve has only two states, namely a fully open state of the throttle valve or a fully closed state of the throttle valve, when an engine is started, the throttle valve needs to be manually controlled to be in a closed state, so that more gas entering the engine is combustible gas, the engine is convenient to start, meanwhile, after the engine is started, the throttle valve needs to be normally opened under manual control, in a practical application process, the air entering amount cannot be adjusted, therefore, when the throttle valve is controlled to move by the throttle valve, the total air entering amount cannot be changed, but the total amount of gas entering the engine is increased, so that the engine runs faster, but the air mixing ratio cannot be changed, so that the combustion cannot be adapted all the time, meanwhile, the throttle valve has limitation when the running carburetor is blocked, the throttle valve cannot be further detected, and sundries cannot be processed, so that improvement is necessary.
Disclosure of Invention
The present invention addresses the deficiencies in the art by providing a carburetor with a damper locking mechanism.
In order to solve the technical problems, the invention is solved by the following technical scheme: the carburetor with the air door locking mechanism comprises a carburetor main body, wherein the main body comprises a venturi tube, a choke valve assembly and a throttle valve assembly, the choke valve assembly comprises a first rotating shaft and a choke valve arranged on the first rotating shaft, the first rotating shaft and the main body are connected through a first torsion spring, the throttle valve assembly comprises a valve body, an oil needle, a return spring and a cap, the cap is connected to the thread of the venturi tube, the oil needle is connected to the valve body, the valve body slides in the venturi tube, the return spring is arranged between the valve body and the cap, a first pull rope and a second pull rope are arranged in the venturi tube, one end of the first pull rope is connected with the valve body, one end of the second pull rope is wound on the first rotating shaft, the other end of the first pull rope is provided with a first moving part, the other end of the second pull rope is provided with a second moving part, the first moving part and the second moving part are connected through a first elastic part, and the elasticity of the first elastic part is larger than that of the first torsion spring;
when the valve body moves towards the reset spring, when the choke valve can rotate, the valve body drives the first pull rope and the second pull rope to move, the first elastic piece does not deform when the choke valve overcomes the rotation of the first torsion spring, when the choke valve cannot rotate, the second pull rope and the choke valve are limited, and the first pull rope overcomes the first elastic piece to move;
set up first cavity in the venturi, first cavity includes sealing connection's first magnet and second magnet, first magnet to venturi one side and first clean piece magnetic connection, second magnet to venturi one side and second clean piece magnetic connection first magnet one side through the second elastic component with first cavity top is connected set up the electro-magnet in the first cavity of first magnet opposite side, the electro-magnet is separating the venturi with first moving member magnetic connection will the switch setting of electro-magnet is in on the second moving member set up trigger on the first moving member, work as trigger leaves during the switch, the electro-magnet starts, the electro-magnet will first magnet overcomes the second elastic component and removes to the electro-magnet.
In the above aspect, preferably, when the electromagnet is energized, the magnetic force between the electromagnet and the first magnet is greater than the elastic force of the second elastic member.
In the above scheme, preferably, when first torsional spring does not have external force, the choke valve slope sets up in the venturi, first clean piece sets up in the venturi and is located the top of choke valve, the clean piece of second sets up in the venturi and is located the below of choke valve.
In the above aspect, the first cleaning block and the second cleaning block preferably have tackiness thereon.
In the above aspect, preferably, a groove is provided on the first rotating shaft, and the choke valve is fixed to the first rotating shaft by a bolt.
In the above scheme, it is preferred that main part one side sets up the frame set up locking mechanical system between frame and the main part, locking mechanical system includes limiting plate, locating lever, handle and base, the base is connected the venturi tube outside, the handle sets up on the base, the handle with the face that the base contacted sets up the form to the inclined plane, limiting plate connects on the first axis of rotation set up spacing hole on the limiting plate, will the locating lever passes through the third elastic component setting and is in on the frame.
In the above scheme, preferably, the limiting plate is provided with a third torsion spring, the third torsion spring abuts against the handle, when the handle rotates, the inclined plane of the handle and the inclined plane of the base are dislocated to drive the horizontal height of the limiting plate to be lifted, meanwhile, the limiting plate rotates, and the positioning rod enters the limiting hole.
The invention has the beneficial effects that: the valve body is connected with the first rotating shaft through the first pull rope and the second pull rope, the air and fuel mixing ratio is adjusted in a matched mode when the air inflow is controlled through movement of the valve body, the first pull rope and the second pull rope are connected through the first elastic piece, the elastic force of the first elastic piece is larger than that of the first torsion spring, the first torsion spring is not stressed when the choke valve is clamped by sundries, the first elastic piece is clamped, meanwhile, the first cavity and the first magnet, the second magnet, the first cleaning block and the second cleaning block which are connected in the first cavity in a sealing mode are matched, when the first magnet moves, the first cavity is matched with the closed first cavity, the second magnet moves along with the first cavity, the first cleaning block and the second cleaning block slide in the venturi tube, the second elastic piece, the electromagnet and a switch of the second elastic piece are matched, whether sundries exist on the venturi tube or not is detected automatically, and the first cleaning block and the second cleaning block are triggered automatically to clean the sundries.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is an exploded view of a throttle valve assembly of the present invention.
Fig. 3 is a schematic structural view of the locking mechanism of the present invention.
Fig. 4 is an exploded view of the locking mechanism of the present invention.
FIG. 5 is a cross-sectional view of the present invention.
Fig. 6 is a view showing a direction a of the front view of fig. 5.
FIG. 7 is a cross-sectional view of the present invention.
FIG. 8 is a cross-sectional view of the first chamber of the venturi of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following figures and embodiments: referring to fig. 1 to 8, a carburetor with a choke locking mechanism includes a carburetor body 1, the carburetor body 1 including a venturi tube 9, a choke valve assembly and a throttle valve assembly, the choke valve assembly including a first rotating shaft 2 and a choke valve 3 provided on the first rotating shaft 2, the first rotating shaft 2 and the carburetor body 1 being connected by a first torsion spring 4, while a groove is provided on the first rotating shaft 2, the choke valve 3 being fixed in the groove by a bolt, and the choke valve 3 being inclined to cover the venturi tube 9, the choke valve 3 being normally closed in the venturi tube 9 in the absence of an external force from the first torsion spring 4.
Throttle valve subassembly includes valve body 5, oil needle 6, reset spring 7 and cap 8 the outside mouth of pipe that sets up in middle part of venturi tube 9 cooperates the mouth of pipe setting cap 8, and cap 8 is connected on the mouth of pipe screw thread, valve body 5 slides in the mouth of pipe of venturi tube 9, will oil needle 6 is connected on valve body 5, and oil needle 6 and the opposite side that gets into venturi tube 9 set up reset spring 7 between valve body 5 and the cap 8, valve body 5 passes through the throttle line and is connected with the throttle, realizes when the increase throttle promptly that valve body 5 removes to mouth of pipe one side.
The first rotating shaft 2 and the valve body 5 are connected through a first pull rope 10 and a second pull rope 11, one end of the first pull rope 10 is fixed on the valve body 5, one end of the second pull rope 11 is wound on the first rotating shaft 2, the first pull rope 10 is connected with the second pull rope 11, when the accelerator is driven, the valve body 5 moves towards one side of a pipe orifice, and the second pull rope 11 overcomes the first torsion spring 4 to drive the first rotating shaft 2 and the choke valve 3 to rotate.
The other end of the first pull rope 10 is provided with a first moving part 12, the other end of the second pull rope 11 is provided with a second moving part 13, the first moving part 12 and the second moving part 13 are connected through a first elastic part 14, the elastic force of the first elastic part 14 is larger than that of the first torsion spring 4, when the choke valve 3 can normally rotate, the first elastic part 14 cannot deform when the valve body 5 is moved, and then the first torsion spring 4 is driven to deform, namely the choke valve 3 synchronously rotates, and when the choke valve 3 is clamped by sundries, the first torsion spring 4 cannot rotate, at this moment, when the valve body 5 moves, the first pull rope 10 drives the first moving part 12 to move, the first elastic part 14 stretches, and the second pull rope 11 cannot drive.
Therefore, whether can stretch through first elastic component 14 and judge whether venturi 9 all around of choke valve 3 has debris set up first cavity 15 in venturi 9, first cavity 15 is including setting up two cavitys at venturi 9 lateral wall, just two cavity symmetries set up in venturi 9, set up annular cavity at the venturi 9 top that is close to choke valve 3 one side, connect each section cavity and form first cavity 15.
The first magnet 16 and the second magnet 17 are hermetically connected in the first cavity 15, air or liquid can be placed in the first cavity 15 of the sealing section, so that when the first magnet 16 moves, the second magnet 17 moves in a matching manner, and further, when the first magnet 16 moves upwards, the second magnet moves downwards under the action of pressure.
A first cleaning block 22 and a second cleaning block 23 are provided in the venturi tube 9, the first cleaning block 22 and the second cleaning block 23 are slidably connected inside the venturi tube 9, one end of the first cleaning block 22 is magnetically connected to the first magnet 16 through the venturi tube 9, and one end of the second cleaning block 23 is magnetically connected to the second magnet 17 through the venturi tube 9, so that the first magnet 16 and the second magnet 17 control the position of the first cleaning block 22, that is, when the first magnet 16 moves, the first cleaning block 22 rotates synchronously.
Referring to fig. 7, the choke valve 3 is obliquely disposed in the venturi 9, the first cleaning block 22 and the second cleaning block 23 are disposed at both sides of the first rotating shaft 2 by the first rotating shaft 2, respectively, the choke valve 3 rotates counterclockwise in the venturi 9, and the first cleaning block 22 is disposed below the choke valve 3, and similarly, the second cleaning block 23 is disposed above the choke valve 3, and the first cleaning block 22 and the second cleaning block 23 control their positions by the magnet position.
The first magnet 16 is connected to the first cavity 15, further, the first magnet 16 is connected to the first cavity 15 on one side of the seal through a second elastic member 18, an electromagnet 19 is provided in the first cavity 15 on the other side of the first magnet 16, the electromagnet 19 is magnetically connected to the first moving member 12 through the venturi 9, and preferably, a connecting portion is provided on one side of the electromagnet 19, and the connecting portion is magnetically connected to the first moving member 12.
The switch 20 of the electromagnet 19 is arranged on the second moving part 13, the trigger part 21 is arranged on the first moving part 12, when the second elastic part is not subjected to external force, the trigger part 21 always abuts against the switch 20, namely, the electromagnet 19 is in a closed state, but when the trigger part 21 leaves the switch 20 when the first rotating shaft 2 cannot rotate, the electromagnet 19 is started, the electromagnet 19 moves the first magnet 16 to the electromagnet 19 by overcoming the second elastic part 18, meanwhile, the magnetic force between the electromagnet 19 and the first magnet 16 is larger than that of the second elastic part 18, and the electromagnet 19 can change the distance at the moment, so the magnetic force is always enough.
A frame 2 is arranged on one side of the main body 1, a locking mechanism is arranged between the frame 24 and the main body 1, the locking mechanism comprises a limiting plate 25, a positioning rod 26, a handle 27 and a base 28, and the first rotating shaft 2 penetrates out of the main body 1 and enters the frame 24.
First axis of rotation 2 passes main part 1 sets up, just set up limiting plate 25 on the first axis of rotation 2 in the frame 24 set up spacing hole on the limiting plate 25 set up the setting element on the frame 24, connect through the third elastic component on the setting element positioning rod 26, promptly the third elastic component sets up between positioning rod 26 and the setting element, wear out first axis of rotation 2 and main part 1 connect base 28, preferably, base 28 is connected in the venturi 9 outside, handle 27 sets up between base 28 and limiting plate 25.
The contact surface of the handle 27 and the base 28 is set to be in the form of an inclined surface, the limiting plate 25 is provided with a third torsion spring 29, the third torsion spring 29 abuts against the handle 27, when the handle 27 rotates, the inclined surface of the handle 27 and the inclined surface of the base 28 are staggered, the limiting plate 25 is driven to move to one side of the limiting rod 26, meanwhile, the limiting plate 25 rotates, the limiting rod 26 enters the limiting hole, when the first rotating shaft 2 rotates, only the limiting plate 25 rotates synchronously, and the limiting plate 25 cannot move, so that the limiting plate 25 and the limiting rod 26 limit each other, when the carburetor is disassembled, the choke valve 3 can be fixed in a normally open state through the control handle 27, and the internal condition can be observed conveniently.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A carburetor with a throttle locking mechanism comprises a carburetor body, wherein the carburetor body comprises a venturi tube, a choke valve assembly and a throttle valve assembly, the choke valve assembly comprises a first rotating shaft and a choke valve arranged on the first rotating shaft, the first rotating shaft and the main body are connected through a first torsion spring, the throttle valve assembly comprises a valve body, an oil needle, a return spring and a cap, the cap is connected to the thread of the venturi tube, the oil needle is connected to the valve body, the valve body slides in the venturi tube, the return spring is arranged between the valve body and the cap, and the carburetor is characterized in that: a first pull rope and a second pull rope are arranged in the Venturi tube, one end of the first pull rope is connected with the valve body, one end of the second pull rope is wound on the first rotating shaft, a first moving piece is arranged at the other end of the first pull rope, a second moving piece is arranged at the other end of the second pull rope, the first moving piece and the second moving piece are connected through a first elastic piece, and the elasticity of the first elastic piece is larger than that of the first torsion spring;
when the choke valve cannot rotate, the second pull rope and the choke valve are limited, and the first pull rope overcomes the first elastic piece to move;
set up first cavity in the venturi, first cavity includes sealing connection's first magnet and second magnet, first magnet to venturi one side and first clean piece magnetic connection, second magnet to venturi one side and second clean piece magnetic connection first magnet one side through the second elastic component with first cavity top is connected set up the electro-magnet in the first cavity of first magnet opposite side, the electro-magnet is separating the venturi with first moving member magnetic connection will the switch setting of electro-magnet is in on the second moving member set up trigger on the first moving member, work as trigger leaves during the switch, the electro-magnet starts, the electro-magnet will first magnet overcomes the second elastic component and removes to the electro-magnet.
2. A carburetor according to claim 1, wherein: when the electromagnet is electrified, the magnetic force of the electromagnet and the first magnet is greater than the elastic force of the second elastic piece.
3. A carburetor according to claim 1, wherein: when first torsional spring does not have external force, the choke valve slope sets up in the venturi, first clean piece sets up in the venturi and is located the top of choke valve, the clean piece setting of second is in the venturi and is located the below of choke valve.
4. A carburetor according to claim 3, wherein: the first cleaning block and the second cleaning block have tackiness thereon.
5. A carburetor according to claim 1, wherein: and a groove is arranged on the first rotating shaft, and the choke valve is fixed on the first rotating shaft through a bolt.
6. A carburetor according to claim 1, wherein: the venturi tube sealing device is characterized in that a frame is arranged on one side of the main body, a locking mechanism is arranged between the frame and the main body, the locking mechanism comprises a limiting plate, a positioning rod, a handle and a base, the base is connected to the outer side of the venturi tube, the handle is arranged on the base, the handle and the surface of the base, which is in contact with the base, are arranged in an inclined plane, the limiting plate is connected to the first rotating shaft, a limiting hole is formed in the limiting plate, and the positioning rod is arranged on the frame through a third elastic piece.
7. A carburetor according to claim 6, wherein: the limiting plate is provided with a third torsion spring, the third torsion spring abuts against the handle, when the handle rotates, the inclined plane of the handle and the inclined plane of the base are staggered to drive the horizontal height of the limiting plate to be lifted, meanwhile, the limiting plate rotates, and the positioning rod enters the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372102.0A CN114673607B (en) | 2022-04-11 | 2022-04-11 | Carburetor with air door locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372102.0A CN114673607B (en) | 2022-04-11 | 2022-04-11 | Carburetor with air door locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114673607A CN114673607A (en) | 2022-06-28 |
| CN114673607B true CN114673607B (en) | 2022-12-20 |
Family
ID=82077306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210372102.0A Active CN114673607B (en) | 2022-04-11 | 2022-04-11 | Carburetor with air door locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114673607B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS548223A (en) * | 1977-06-21 | 1979-01-22 | Toyota Motor Corp | Variable venturi carburetor |
| FR2482201A1 (en) * | 1980-05-08 | 1981-11-13 | Sibe | IMPROVEMENTS ON CARBURETORS COMPRISING A MAIN CIRCUIT AND AN AUXILIARY CIRCUIT |
| US5258143A (en) * | 1992-07-10 | 1993-11-02 | Wang Ming Ching | Carburetor with a cam-controlled venturi |
| US7264230B2 (en) * | 2005-01-11 | 2007-09-04 | Walbro Engine Management, L.L.C. | Carburetor and solenoid assemblies and methods of assembling the same |
| CN208396839U (en) * | 2017-09-30 | 2019-01-18 | 浙江星煜工贸有限公司 | A kind of easily starting engine |
| CN109899181A (en) * | 2018-05-21 | 2019-06-18 | 浙江星煜工贸有限公司 | Carburetor throttle angle lock mechanism |
| CN109899180A (en) * | 2018-05-21 | 2019-06-18 | 浙江星煜工贸有限公司 | A kind of carburetor throttle regulating mechanism |
| CN109184960A (en) * | 2018-10-24 | 2019-01-11 | 苏州科瓴精密机械科技有限公司 | Self closing door control system, control method and the gasoline engine of gasoline engine |
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2022
- 2022-04-11 CN CN202210372102.0A patent/CN114673607B/en active Active
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| Publication number | Publication date |
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| CN114673607A (en) | 2022-06-28 |
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Effective date of registration: 20221202 Address after: 321200 No. 23 hardware Road, Tong Qin Industrial Zone, Wuyi, Jinhua, Zhejiang Applicant after: Zhejiang Xingyu Electromechanical Technology Co.,Ltd. Address before: 321300 No. 6, Xita fifth road, Chengxi Industrial Zone, Yongkang City, Jinhua City, Zhejiang Province Applicant before: Yongkang Xingguang Electrical Appliance Manufacturing Co.,Ltd. |
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