CN110043398B - Multifunctional air supplement plate for novel automobile electric control emission reduction fuel-saving system device - Google Patents
Multifunctional air supplement plate for novel automobile electric control emission reduction fuel-saving system device Download PDFInfo
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- CN110043398B CN110043398B CN201910287874.2A CN201910287874A CN110043398B CN 110043398 B CN110043398 B CN 110043398B CN 201910287874 A CN201910287874 A CN 201910287874A CN 110043398 B CN110043398 B CN 110043398B
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- inlet pipe
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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
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
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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
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M2026/001—Arrangements; Control features; Details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
A multi-functional tonifying qi board for car automatically controlled emission reduction fuel economizing system device mainly used EGR system, in exhaust gas recirculation combustion system and other emission reduction fuel economizing systems promptly, installs between the rear end of car air throttle and engine intake pipe port, and the essential element includes: the equipment module with the intake pipe and the link module who is used for connection function, these 2 kinds of modules, the connected mode is in the mounting hole that every installation cylinder in the module inserted other modules, the gas supply board of complete ring type is detained mutually to make up into to the ring, the gas supply board of every complete ring type, can be according to the gas supply volume of the automatically controlled emission reduction fuel saving system device of novel car, the equipment module that 1-3 have the intake pipe is installed to the needs of gas supply type, can be according to the size of different grade type automobile engine intake pipe, make up into the gas supply board of suitable not unidimensional in a flexible way, the installation of being convenient for again. Therefore, the mold opening and production cost of an air supplement plate which is one of important parts of the novel automobile electric control emission reduction oil-saving system device can be greatly reduced.
Description
Technical Field
The invention relates to the technical field of novel energy-saving and environment-friendly system devices of motor vehicles, in particular to a multifunctional air supplement plate which is an important component for a novel automobile electric control emission reduction and oil saving system device.
Background
In an electrically controlled emission-reducing and fuel-saving system device in a motor vehicle, wherein an EGR subsystem, namely an exhaust gas recirculation combustion system, is used, a gas supplementing plate is an important execution component, partial exhaust gas emitted by an engine is filtered and cooled by the EGR system, then regulated and controlled by an electromagnetic valve, and then input to an engine air inlet pipe port through the gas supplementing plate to carry out secondary combustion on the engine, so that the emission of the automobile is improved, and particularly the emission of nitrogen oxides is obviously reduced. In addition, for the purposes of saving oil and improving emission, exhaust gas emitted by other parts in the automobile is processed and then is input into the engine through the air supplement plate for secondary combustion. In the original electric control emission reduction and oil saving system device, an air supplement plate is arranged between the rear end of a throttle valve and an air inlet pipe port of an engine, and because the inner diameter size and specification of the air inlet pipe port connected with the engine and the throttle valve are different for each type of automobile, the inner diameter size of the air supplement plate is required to be consistent with the inner diameter size of the air inlet pipe port of the engine in order to not influence the normal flow of air of an engine air inlet pipe, therefore, aiming at different types of automobiles, the electric control emission reduction and oil saving system device needs to be installed, the processing is needed, or a mold is opened to produce the air supplement plates with different specifications and dimensions, the scale production, the installation and the debugging of the electric control emission reduction and oil saving system device are seriously influenced, and the system cost is increased.
Therefore, it is necessary to thoroughly improve the air supply plate in the original electric control emission-reducing oil-saving system device.
Disclosure of Invention
The invention aims to provide a new solution for the defects of the original air supplement plate, namely, a novel multifunctional air supplement plate is created.
A multi-functional tonifying qi board for car automatically controlled emission reduction fuel economizing system device, the essential element includes: the multifunctional gas supplementing plate for the automobile electric control emission reduction and oil saving system device is characterized by comprising an assembling module with a gas inlet pipe and a connecting module with a connecting function, wherein the multifunctional gas supplementing plate is used for the automobile electric control emission reduction and oil saving system device and is characterized in that:
the multifunctional air supplement plate for the automobile electric control emission reduction fuel-saving system device is arranged between the rear end of an automobile throttle valve and an engine air inlet pipe port, the assembly module with the air inlet pipe is composed of an arc sector module with a certain inner circular arc and an outer circular arc, the air inlet pipe is arranged in the middle of the arc sector module, one side of the air inlet pipe module is provided with a mounting hole, the other side of the air inlet pipe module is provided with a mounting column, the inner circular arc and the outer circular arc of the arc sector are concentric, the radius of the outer circular arc is R1, the radius of the inner circular arc is R2, the radius of the circular arc of the average division R1 and R2 is (R1+ R2) ÷ 2 ═ R3, the centers of the mounting hole and the mounting column are both on the circular arc of R3, the arc sector included angle of the arc sector module is defined as an included angle A formed by connecting the center of the mounting hole and the mounting column and the center of the R3 circular arc, and the diameters of the mounting hole and the mounting column are approximately the same, the diameter of the mounting hole is a positive tolerance, the diameter of the mounting cylinder is a negative tolerance, and the mounting hole diameter is as follows: 4+0.05mm, installation cylinder diameter: 4-0.05mm, the depth of the mounting hole is consistent with the height of the mounting cylinder, the depth of the mounting hole and the height of the mounting cylinder are both half of the thickness of the module, one side with the mounting hole and one side with the mounting cylinder are respectively separated by circular arcs with the same diameter, and the divided circular arcs are respectively concentric with the mounting hole and the mounting cylinder;
a connecting module for connection function, thickness with the thickness of the equipment module that has the intake pipe is unanimous, also comprises the arc fan type module that has certain interior circular arc and excircle arc, does not have the intake pipe in the middle of the module only, its interior circular arc and excircle arc's diameter with the interior circular arc and the excircle arc diameter of the equipment module that has the intake pipe are unanimous, and connecting module's both sides also respectively are equipped with mounting hole and installation cylinder, and the diameter of mounting hole and installation cylinder is with the mounting hole of the equipment module that has the intake pipe and the diameter of installation cylinder are unanimous, and the diameter of its mounting hole is positive tolerance, and the diameter of installation cylinder is negative tolerance, installation aperture: 4+0.05mm, installation cylinder diameter: 4-0.05mm, the depth of the mounting hole is identical with the height of the mounting cylinder and is also half of the thickness of the module, similar to the assembly module with the air inlet pipe, the inner circular arc and the outer circular arc of the arc sector are concentric, the radius of the outer circular arc is R5, the radius of the inner circular arc is R4, the radius of the circular arc of the average division R5 and R4 is (R5+ R4) ÷ 2 ═ R6, the centers of the mounting hole and the mounting cylinder are both on the circular arc of R6, the arc sector included angle of the arc sector module is defined as an included angle B formed by connecting the centers of the mounting hole and the mounting cylinder and the center of the R6 circular arc, one side of the mounting hole and the side of the mounting cylinder are respectively separated by a circular arc with the same diameter, the diameter of the separating circular arc is identical with the diameter of the separating circular arc of the two sides of the assembly module with the air inlet pipe, the dividing circular arc is respectively concentric with the mounting hole and the mounting column, and a small positioning pin is arranged in the middle of one surface of the connecting module for connecting the functions;
the connection mode of the assembly module with the air inlet pipe and the connection module with the connection function is that the installation cylinder of each module is inserted into the installation holes of other modules, the ring rings are buckled with each other, and then a complete ring-shaped air supplement plate can be combined, and 1-3 assembly modules with the air inlet pipes can be installed according to the air supplement amount and the air supplement type requirement on each complete ring-shaped air supplement plate.
The multifunctional air supplement plate for the automobile electric control emission reduction oil saving system device is characterized in that 2:
the arc sector angles of the assembly module with the air inlet pipe and the connecting module used for the connecting function are different, the arc sector angle of the assembly module with the air inlet pipe is larger than that of the connecting module, the arc sector angle A of the assembly module with the air inlet pipe is 45 degrees, the arc sector angle B of the connecting module is 30 degrees, and then the 360-degree circular complete air supply plate can be formed by 2 assembly modules with the air inlet pipes and 9 connecting modules.
The multifunctional air supplement plate for the automobile electric control emission reduction oil saving system device is characterized by comprising the following components in parts by weight:
the diameter of the circular arc in the assembling module with the air inlet pipe and the connecting module for connecting the assembling module with the air inlet pipe is equal to the inner diameter of the port of the air inlet pipe of the engine, or the inner diameter of a circular ring-shaped complete air supplement plate which is connected by the assembling module with the air inlet pipe and the connecting module for connecting the assembling module with the air inlet pipe in a ring-and-ring buckling mode is required to be equal to or close to the inner diameter of the port of the air inlet pipe of the engine.
The multifunctional air supplement plate for the novel automobile electric control emission reduction oil saving system device is characterized by 4: the multifunctional air supplement plate for the automobile electric control emission reduction oil saving system device can be made of rubber materials which can resist the temperature of more than 100 ℃, comprises silica gel, and can also be made of engineering plastics which can resist the temperature of more than 100 ℃.
The multifunctional air supplement plate for the novel automobile electric control emission reduction oil saving system device is characterized by 5: the port of the air inlet pipe in the assembly module with the air inlet pipe has an inclination angle of 45-60 degrees.
Drawings
FIG. 1 is a schematic structural view of an assembly module with an air inlet pipe of the multifunctional air supplement plate of the present invention.
Fig. 2 is a schematic structural view of a connection module for connection function of the multi-functional air supplement panel of the present invention.
FIG. 3 is a jigsaw illustrating the connection process of the multi-functional air supplement boards of the present invention
FIG. 4 2 main components of the multi-functional aeration panel of the present invention: three-dimensional perspective view of an assembly module with an air inlet tube and a connection module for a connection function.
Detailed Description
As will be described in detail below.
Please refer to fig. 1, which is a schematic diagram of an assembly module with an air inlet pipe of the multifunctional air supplement plate of the present invention, and is composed of a sector-shaped module with a certain inner arc R2 and outer arc R1, an air inlet pipe 3 is installed in the middle, one side of the module of the air inlet pipe 3 is provided with a mounting hole 2, the other side is provided with a mounting cylinder 1, the inner arc R2 and the outer arc R1 of the sector-shaped module are concentric with O3, the outer arc radius is R1, the inner arc radius is R2, the arc radius of the average division of R1 and R2 is (R1+ R2) ÷ 2R 3, the centers O2 and O1 of the mounting hole 2 and the mounting cylinder 1 are both on the arc of R3, the sector-shaped angle of the sector-shaped module is defined as the connecting line of the center O2 of the mounting hole and the center O1 of the mounting cylinder and the center O3 of the R3, and the diameter of the mounting hole is approximately the same as the diameter of the mounting cylinder a 2, except that the diameter Φ d2 of the mounting hole 2 is a positive tolerance and the diameter Φ d1 of the mounting cylinder is a negative tolerance, for example, if the bore diameter of the mounting hole 2 is 4+0.05mm, the diameter of the mounting cylinder 1 is 4-0.05 mm. The depth h2 of the mounting hole 2 and the height h1 of the mounting cylinder 1 are also identical and are both half of the module thickness h3, the side with the mounting hole 2 and the side with the mounting cylinder 1 are respectively separated by arcs Φ d3 and Φ d4 of the same diameter, and the split arcs Φ d3 and Φ d4 are also concentric with the mounting hole 2 and the mounting cylinder 1 at O2 and O1, respectively.
The inlet pipe 3 in the assembled module with the inlet pipe has an inclination angle of 45-60 degrees at the port 9 of the portion of the inner arc R2 in fig. 1.
Referring to fig. 2, a schematic structural diagram of a connection module for connection function of a multi-functional air supplement panel of the present invention is shown, wherein the connection module for connection function has a thickness h4 identical to a thickness h3 of the assembly module with an air inlet pipe, and also comprises an arc fan-shaped module having an inner arc R4 and an outer arc R5, except that there is no air inlet pipe in the middle of the module, the diameters of the inner arc R4 and the outer arc R5 are identical to the diameters of the inner arc R2 and the outer arc R1 of the assembly module with an air inlet pipe, two sides of the connection module are respectively provided with a mounting hole 5 and a mounting cylinder 4, the diameters of the mounting hole 5 and the mounting cylinder 4 are identical to the diameters of the mounting hole 2 and the mounting cylinder 1 of the assembly module with an air inlet pipe, the diameter of the mounting hole 5 is a positive tolerance, and the diameter of the mounting cylinder 4 is a negative tolerance, for example, if the hole diameter of the mounting hole 5 is 4+0.05mm, the diameter of the mounting cylinder 4 is 4-0.05mm, the depth h6 of the mounting hole 5 is identical to the height h5 of the mounting cylinder 4, which is also half of the module thickness h4, similarly to the assembly module with the air intake pipe, the inner circular arc R4 and the outer circular arc R5 of the sector arc are concentric with O6, the outer circular arc radius R5 is set as the inner circular arc radius R4, the circular arc radius of the average division R5 and R4 is (R4+ R Φ R5) ÷ 2 ═ R6, the centers of the mounting hole 5 and the mounting cylinder 4 are both on the circular arc of R6, the sector included angle of the sector arc module is defined as the angle between the center O5 of the mounting hole 5 and the center O8 of the mounting cylinder 4 and the line of the center O6 of the R6 circular arc, and the mounting hole 5 and the mounting cylinder 4 has a diameter B and the same arc 7, which are divided by the same arc diameter of the same side 7, the diameters of the separating arcs are consistent with the diameters of the two separating arcs Phd 3 and Phd 4 of the assembly module with the air inlet pipe, and the separating arcs Phd 7 and Phd 8 are concentric with the mounting cylinder 4 and the mounting hole 5 respectively to O4 and O5. The connecting module for connecting functions is provided with a small positioning pin 6 in the middle of one surface of the connecting module, so that the air supplement board can be positioned when being installed.
Referring to fig. 3, the connection process of the multi-functional air supplement plate jigsaw of the present invention, the assembling module 7 with air inlet pipe and the connecting module 8 with connection function are connected in a way that the mounting cylinder of each module is inserted into the mounting hole of the other module, the rings are buckled with each other, and then the complete circular air supplement plate can be assembled, as shown in fig. 3-1, the assembling module 7 with air inlet pipe is composed of 2 assembling modules 7 with arc sector angle of 45 degrees and 11 connecting modules 8, the arc sector angle of 30 degrees, and a complete circular air supplement plate with 360 degrees is formed. In fig. 3-2, a connecting module 8-1 is removed and then assembled into fig. 3-3, which is similar to an ellipse, and in fig. 3-4, after being compressed in the direction of the long axis of the ellipse, an approximate circular ring shape is formed, which is equal to the size adjustment of the inner diameter of the air supplement plate is reduced. On the contrary, if the size of the gas supplementing plate is increased, the aim can be flexibly achieved by increasing the number of the connecting modules. Each complete circular ring type air supplement plate can be provided with 1-3 assembling modules with air inlet pipes according to the air supplement amount and the air supplement type.
Please refer to fig. 4, which shows 2 main components of the multifunctional air supplement board of the present invention: three-dimensional perspective view of an assembly module with an air inlet tube and a connection module for a connection function. Fig. 4-1 is a three-dimensional perspective view of an assembled module with an air inlet tube, and fig. 4-2 is a three-dimensional perspective view of a connection module.
In order not to affect the normal flow of air of the air inlet pipe of the automobile engine, the diameter of an arc in the assembling module with the air inlet pipe and the connecting module for connecting the assembling module with the air inlet pipe is equal to the inner diameter of the port of the air inlet pipe of the engine, or the inner diameter of a circular ring-shaped complete air supplement plate which is connected by buckling the assembling module with the air inlet pipe and the connecting module for connecting the assembling module with the air inlet pipe is required to be equal to or close to the inner diameter of the port of the air inlet pipe of the engine.
The multifunctional air supplement plate can be made of rubber materials which can resist the temperature of more than 100 ℃, including silica gel, and can also be made of engineering plastics which can resist the temperature of more than 100 ℃.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (5)
1. A multi-functional tonifying qi board for car automatically controlled emission reduction fuel economizing system device, the essential element includes: the multifunctional gas supplementing plate is characterized in that the multifunctional gas supplementing plate is used for an automobile electric control emission reduction and oil saving system device:
the multifunctional air supplement plate for the automobile electric control emission reduction fuel-saving system device is arranged between the rear end of an automobile throttle valve and an engine air inlet pipe port, the assembly module with the air inlet pipe is composed of an arc sector module with a certain inner circular arc and an outer circular arc, the air inlet pipe is arranged in the middle of the arc sector module, one side of the air inlet pipe module is provided with a mounting hole, the other side of the air inlet pipe module is provided with a mounting circular column, the inner circular arc and the outer circular arc of the arc sector are concentric, the radius of the outer circular arc is R1, the radius of the inner circular arc is R2, the radius of the circular arc which averagely divides R1 and R2 is (R1+ R2) ÷ 2 ═ R3, the centers of the mounting hole and the mounting circular column are all on the circular arc of R3, the arc sector included angle of the arc sector module is defined as an included angle A formed by connecting the center of the mounting hole and the center of the mounting circular column and the center of the R3 circular arc, and the diameter of the mounting circular column is approximately the same as the diameter of the mounting hole and the mounting circular column, the diameter of the mounting hole aperture is a positive tolerance, the diameter of the mounting cylinder is a negative tolerance, and the mounting hole aperture: 4+0.05mm, installation cylinder diameter: 4-0.05mm, the depth of the mounting hole is consistent with the height of the mounting cylinder, the depth of the mounting hole and the height of the mounting cylinder are both half of the thickness of the module, one side with the mounting hole and one side with the mounting cylinder are respectively separated by circular arcs with the same diameter, and the divided circular arcs are respectively concentric with the mounting hole and the mounting cylinder;
a connecting module for connection function, thickness with the thickness of the equipment module that has the intake pipe is unanimous, also comprises the arc fan type module that has certain interior circular arc and excircle arc, does not have the intake pipe in the middle of the module only, its interior circular arc and excircle arc's diameter with the interior circular arc and the excircle arc diameter of the equipment module that has the intake pipe are unanimous, and connecting module's both sides also respectively are equipped with mounting hole and installation cylinder, and the diameter of mounting hole and installation cylinder is with the mounting hole of the equipment module that has the intake pipe and the diameter of installation cylinder are unanimous, and the diameter of its mounting hole is positive tolerance, and the diameter of installation cylinder is negative tolerance, installation aperture: 4+0.05mm, installation cylinder diameter: 4-0.05mm, the depth of the mounting hole is identical with the height of the mounting cylinder and is also half of the thickness of the module, similar to the assembly module with the air inlet pipe, the inner circular arc and the outer circular arc of the arc sector are concentric, the radius of the outer circular arc is R5, the radius of the inner circular arc is R4, the radius of the circular arc of the average division R5 and R4 is (R5+ R4) ÷ 2 ═ R6, the centers of the mounting hole and the mounting cylinder are both on the circular arc of R6, the arc sector included angle of the arc sector module is defined as an included angle B formed by connecting the centers of the mounting hole and the mounting cylinder and the center of the R6 circular arc, one side of the mounting hole and the side of the mounting cylinder are respectively separated by a circular arc with the same diameter, the diameter of the separating circular arc is identical with the diameter of the separating circular arc of the two sides of the assembly module with the air inlet pipe, the dividing circular arc is respectively concentric with the mounting hole and the mounting column, and a small positioning pin is arranged in the middle of one surface of the connecting module for connecting the functions;
the connection mode of the assembly module with the air inlet pipe and the connection module with the connection function is that the installation cylinder of each module is inserted into the installation holes of other modules, the ring rings are buckled with each other, and then a complete ring-shaped air supplement plate can be combined, and 1-3 assembly modules with the air inlet pipes can be installed according to the air supplement amount and the air supplement type requirement on each complete ring-shaped air supplement plate.
2. The multifunctional air supplement plate for the electric control emission reduction and oil saving system device of the automobile according to claim 1, is characterized in that: the arc sector angles of the assembly module with the air inlet pipe and the connecting module used for the connecting function are different, the arc sector angle of the assembly module with the air inlet pipe is larger than that of the connecting module, the arc sector angle A of the assembly module with the air inlet pipe is 45 degrees, the arc sector angle B of the connecting module is 30 degrees, and then the 360-degree circular complete air supply plate can be formed by 2 assembly modules with the air inlet pipes and 9 connecting modules.
3. The multifunctional air supplement plate for the electric control emission reduction and oil saving system device of the automobile according to claim 1, is characterized in that: the diameter of the circular arc in the assembling module with the air inlet pipe and the connecting module for connecting the assembling module with the air inlet pipe is equal to the inner diameter of the port of the air inlet pipe of the engine, or the inner diameter of a circular ring-shaped complete air supplement plate which is connected by the assembling module with the air inlet pipe and the connecting module for connecting the assembling module with the air inlet pipe in a ring-and-ring buckling mode is required to be equal to or close to the inner diameter of the port of the air inlet pipe of the engine.
4. The multifunctional air supplement plate for the electric control emission reduction and oil saving system device of the automobile according to claim 1, is characterized in that: the multifunctional air supplement plate for the automobile electric control emission reduction oil saving system device is made of rubber materials which can resist temperature of more than 100 ℃, the multifunctional air supplement plate for the automobile electric control emission reduction oil saving system device is made of silica gel which can resist temperature of more than 100 ℃, and the multifunctional air supplement plate for the automobile electric control emission reduction oil saving system device is made of engineering plastics which can resist temperature of more than 100 ℃.
5. The multifunctional air supplement plate for the electric control emission reduction and oil saving system device of the automobile according to claim 1, is characterized in that: the port of the air inlet pipe in the assembly module with the air inlet pipe has an inclination angle of 45-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287874.2A CN110043398B (en) | 2019-04-07 | 2019-04-07 | Multifunctional air supplement plate for novel automobile electric control emission reduction fuel-saving system device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287874.2A CN110043398B (en) | 2019-04-07 | 2019-04-07 | Multifunctional air supplement plate for novel automobile electric control emission reduction fuel-saving system device |
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| CN110043398A CN110043398A (en) | 2019-07-23 |
| CN110043398B true CN110043398B (en) | 2021-11-16 |
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| CN201910287874.2A Expired - Fee Related CN110043398B (en) | 2019-04-07 | 2019-04-07 | Multifunctional air supplement plate for novel automobile electric control emission reduction fuel-saving system device |
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| CN103953468A (en) * | 2014-04-14 | 2014-07-30 | 董金国 | Flow aeration plate |
| CN104214023A (en) * | 2013-06-03 | 2014-12-17 | 通用汽车环球科技运作有限责任公司 | Intake manifold assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6142855B2 (en) * | 2014-09-03 | 2017-06-07 | マツダ株式会社 | Engine intake manifold structure |
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2019
- 2019-04-07 CN CN201910287874.2A patent/CN110043398B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN2042888U (en) * | 1989-01-11 | 1989-08-16 | 吉林工业大学 | Idling air making-up purifier for saving fuel |
| CN2077487U (en) * | 1990-07-05 | 1991-05-22 | 杨增忠 | Automative waste gas reducing device |
| CN2264252Y (en) * | 1996-04-18 | 1997-10-08 | 孙鸿吉 | Multifunctional tail gas purifying economizer for I.C engine |
| US5884612A (en) * | 1996-05-22 | 1999-03-23 | Nippon Soken, Inc. | Gas ventilation system for internal combustion engine |
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| CN110043398A (en) | 2019-07-23 |
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