CN110939535A - A combined engine intake pressure chamber - Google Patents
A combined engine intake pressure chamber Download PDFInfo
- Publication number
- CN110939535A CN110939535A CN201911370054.6A CN201911370054A CN110939535A CN 110939535 A CN110939535 A CN 110939535A CN 201911370054 A CN201911370054 A CN 201911370054A CN 110939535 A CN110939535 A CN 110939535A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- gradual change
- flange
- inlet channel
- capsule type
- 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
- 239000002775 capsule Substances 0.000 claims abstract description 36
- 230000008859 change Effects 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 230000000087 stabilizing effect Effects 0.000 abstract description 13
- 230000004044 response Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Images
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
- 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
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
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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
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10026—Plenum chambers
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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
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10157—Supercharged engines
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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
- F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
-
- 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
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
-
- 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
- F02M35/104—Intake manifolds
-
- 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
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
Landscapes
- 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 provides a combined type engine air inlet pressure stabilizing cabin, which comprises: a gradual change type air inlet channel and a capsule type cavity of the integrated flow limiting valve; the pipe diameter of the gradual change type air inlet channel is gradually increased from one end far away from the capsule type cavity to one end connected with the capsule type cavity; the gradual change type air inlet channel is connected with the capsule type cavity part, and the shape and the size of the interfaces of the two parts are consistent; the capsule type cavity is far away from the gradual change type air inlet channel and is connected with a plurality of air inlet manifolds, and one ends of the air inlet manifolds, far away from the capsule type cavity, are connected with a first flange; the first flange is fixedly connected with the second flange, and the second flange is provided with oil injection bases which correspond to the air inlet manifolds one to one; the oil injection base is provided with an oil injection nozzle, and the oil injection nozzle is connected with an air inlet channel of the engine. The combined type engine air inlet pressure stabilizing cabin has the advantages that the structure can reduce fluctuation of air flow, stabilize pressure and flow rate of air inlet flow, improve accelerator response and improve power and torque performance of an engine.
Description
Technical Field
The invention relates to an engine, in particular to a combined type engine air inlet pressure stabilizing cabin.
Background
At present, with the development of the domestic automobile industry, the small formula racing car is rapidly developed and becomes an entertainment and consumer product for more and more people. However, in order to protect the safety of the driver, the power of the engine is often limited by designers, and an intake air flow limiting valve is often used. After the air inlet flow limiting valve is used, the air inlet flow speed of the engine becomes fast, the air flow becomes unstable, air inlet pressure fluctuation is caused, the accelerator response is too slow, the power and the torque are reduced, and the best performance of the racing car is not facilitated to be exerted.
Disclosure of Invention
The invention aims to provide a combined type engine air inlet pressure stabilizing cabin, which can reduce the fluctuation of air flow, stabilize the pressure and flow rate of air inlet flow, improve the response of an accelerator and improve the power and torque performance of an engine.
In order to achieve the above purpose, the solution of the invention is: a combined engine air inlet pressure stabilizing cabin comprises a gradual change type air inlet channel and a capsule type cavity which are integrated with a flow limiting valve;
the pipe diameter of the gradual change type air inlet channel is gradually increased from one end far away from the capsule type cavity to one end connected with the capsule type cavity; the gradual change type air inlet channel is connected with the capsule type cavity part, and the shape and the size of the interfaces of the two parts are consistent; the capsule type cavity is far away from the gradual change type air inlet channel and is connected with a plurality of air inlet manifolds, and one ends of the air inlet manifolds, far away from the capsule type cavity, are connected with a first flange;
the first flange is fixedly connected with the second flange, and the second flange is provided with oil injection bases which correspond to the air inlet manifolds one to one; the oil injection base is provided with an oil injection nozzle, and the oil injection nozzle is connected with an air inlet channel of the engine.
In a preferred embodiment: the flow limiting valve is connected with a throttle valve body through a third flange, and an air filter element is installed on the throttle valve body.
In a preferred embodiment: the number of the intake manifolds is four.
In a preferred embodiment: and the included angles between the air outlets of the four air inlet manifolds and the air inlets at the upper parts of the gradual change type air inlet channels are 123 degrees.
After the structure is adopted, the combined type engine air inlet stabilizing cabin is characterized in that a combined type designed air inlet system is formed by a gradual change type air inlet channel and a capsule type cavity, on one hand, after air flow enters the air inlet system through a flow limiting valve, the air flow speed is increased, and when the cross section area of the gradual change type air inlet channel is gradually increased, the air flow speed can be gradually reduced, so that the air flow speed is stabilized through the gradual change type air inlet channel, and meanwhile, the air flow is prevented from being flocculated; on the other hand, the intermittent and periodic air suction process generates certain amplitude pressure fluctuation at the gradual air inlet channel, the pressure fluctuation forms reciprocating reflection in the spherical cavity of the capsule cavity, and the capsule cavity has the function of supercharging the air inlet of the engine by utilizing the fluctuation effect, so that the air inlet efficiency of the engine is further improved.
The voltage stabilizer has the beneficial effects that: the air inlet system has the advantages that the air inlet system has the functions of stabilizing and boosting the air inlet flow of the engine, meanwhile, the combined design is favorable for the disassembly, the assembly and the maintenance of the air inlet system, the air inlet efficiency of the engine is improved to the maximum extent on the premise of ensuring the light weight, and the power of the engine is improved.
Drawings
FIG. 1 is a schematic structural diagram of a combined engine intake ballast according to the present invention;
fig. 2 is a schematic exploded view of a combined engine intake ballast according to the present invention.
In the figure: the air inlet valve comprises an air inlet filter element-1, a throttle valve body-2, a flow limiting valve-3, a gradual change type air inlet channel-4, a capsule type cavity-5, a first flange-6, a second flange-7, an oil injection seat-8, an air inlet manifold-9, an oil injection nozzle installation seat-10 and a third flange-11.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
A combined type engine air inlet ballast stabilizing chamber is shown in figures 1-2 and comprises a gradual change type air inlet channel 4 and a capsule type cavity 5 which are hermetically connected, wherein the pipe diameter of the gradual change type air inlet channel 4 is gradually reduced from one end (namely an air outlet end) to the other end (namely an air inlet end), a flow limiting valve 3 is arranged at one end (namely the air inlet end) with a smaller pipe diameter of the gradual change type air inlet channel 4, one end (namely the air outlet end) with a thicker pipe diameter of the gradual change type air inlet channel 4 is connected with the capsule type cavity 5 through a bolt, the capsule type cavity 5 is provided with a flange connected with the air outlet end of the gradual change type air inlet channel 4, and the opening size of the capsule type cavity 5 is consistent with the pipe diameter of the corresponding end of the gradual change type air inlet channel 4, so that the capsule type. The flow limiting valve 3 is connected with a throttle valve body 2 through a flange 2, and an air inlet filter element 1 used for improving the cleanliness of air sucked by the engine and the air quality is installed on the throttle valve body 2.
After the structure is adopted, the combined type engine air inlet pressure stabilizing cabin is characterized in that the gradient type air inlet channel 4 and the capsule type cavity 5 form an integrally designed air inlet system, the gradient type air inlet channel 4 serving as a pressure stabilizing device is additionally arranged behind the flow limiting valve 3, and the capsule type cavity 5 can reduce the fluctuation of air flow, stabilize the pressure and the flow rate of air inlet flow, improve the accelerator response and improve the power and the torque performance of an engine. The concrete expression is as follows: after the airflow enters the air inlet system through the flow limiting valve 3, the airflow speed becomes high, and when the cross section area of the upper part 4 of the pressure stabilizing cavity becomes large, the airflow speed can be made to become slow gradually, so that the airflow speed is stabilized through the gradual change type air inlet channel 4, and meanwhile, the airflow is prevented from being flocculated; the intermittent and periodic air suction process generates certain pressure fluctuation at the gradual change type air inlet 4, the pressure fluctuation forms reciprocating reflection in the capsule cavity of the capsule cavity 5, and the capsule cavity 5 has the function of supercharging the air inlet of the engine by utilizing the fluctuation effect, thereby further improving the air inlet efficiency of the engine.
Therefore, the invention has the advantages that the invention has the functions of stabilizing and pressurizing the inlet airflow of the engine, simultaneously, the integrated design is beneficial to the sealing of the inlet system, the air leakage is prevented, and the inlet efficiency of the engine is improved to the maximum extent on the premise of ensuring the light weight.
The invention is connected with the engine of the automobile, and also comprises the following structure: the capsule type cavity 5 is installed on the gradual change type air inlet channel 4 through bolts, the installation reliability is improved, and sealing glue is filled in a gap between the capsule type cavity 5 and the end of the gradual change type air inlet channel 4, so that the capsule type cavity 5 and the gradual change type air inlet channel 4 are sealed.
The oil injection base 8 and the second flange 7 are fixed together, the air outlet of the air inlet manifold 9 of the capsule type cavity 5 and the first flange 6 are integrally formed by 3D printing, 8 corresponding through holes are formed in the two flanges, the first flange 6 and the second flange 7 are fixed through bolts, and then sealant is coated between the two flanges to ensure the sealing performance of the two flanges. An oil nozzle mounting seat 10 is arranged on the oil injection seat 8. The fuel injector mount 10 is used to mount a fuel injector, which is connected to an intake duct of an engine.
In this embodiment, the included angle between the air outlets of the four air inlet manifolds and the air inlet at the upper part of the gradual change type air inlet channel is 123 degrees.
Further, this integral type engine steady voltage cabin of admitting air uses industrial grade nylon materials 3D to print and forms, and weight is lighter, improves the lightweight degree of engine.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (4)
1. A combined engine intake ballast, comprising: a gradual change type air inlet channel and a capsule type cavity of the integrated flow limiting valve;
the pipe diameter of the gradual change type air inlet channel is gradually increased from one end far away from the capsule type cavity to one end connected with the capsule type cavity; the gradual change type air inlet channel is connected with the capsule type cavity part, and the shape and the size of the interfaces of the two parts are consistent; the capsule type cavity is far away from the gradual change type air inlet channel and is connected with a plurality of air inlet manifolds, and one ends of the air inlet manifolds, far away from the capsule type cavity, are connected with a first flange;
the first flange is fixedly connected with the second flange, and the second flange is provided with oil injection bases which correspond to the air inlet manifolds one to one; the oil injection base is provided with an oil injection nozzle, and the oil injection nozzle is connected with an air inlet channel of the engine.
2. The modular engine intake ballast of claim 1, wherein: the flow limiting valve is connected with a throttle valve body through a third flange, and an air filter element is installed on the throttle valve body.
3. The modular engine intake ballast of claim 1, wherein: the number of the intake manifolds is four.
4. The modular engine intake ballast of claim 1, wherein: and the included angles between the air outlets of the four air inlet manifolds and the air inlets at the upper parts of the gradual change type air inlet channels are 123 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370054.6A CN110939535A (en) | 2019-12-26 | 2019-12-26 | A combined engine intake pressure chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911370054.6A CN110939535A (en) | 2019-12-26 | 2019-12-26 | A combined engine intake pressure chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110939535A true CN110939535A (en) | 2020-03-31 |
Family
ID=69913307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911370054.6A Pending CN110939535A (en) | 2019-12-26 | 2019-12-26 | A combined engine intake pressure chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110939535A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145328A (en) * | 2020-10-22 | 2020-12-29 | 河北工业大学 | Oil spout base that FSAE race car was used |
| CN114738150A (en) * | 2022-04-29 | 2022-07-12 | 哈尔滨东安汽车动力股份有限公司 | Bi-stable-pressure cavity intake manifold assembly for uniformly distributing EGR waste gas |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202732168U (en) * | 2012-08-24 | 2013-02-13 | 华南理工大学 | Air inlet system of FSAE (formula-society of automotive engineers) racing car |
| CN105020069A (en) * | 2015-07-31 | 2015-11-04 | 武汉理工大学 | FSAE racing car air intake system with variable-length air intake manifolds |
| CN205225519U (en) * | 2015-12-18 | 2016-05-11 | 浙江大学城市学院 | Improve variable resonance air intake system of equation motorcycle race circulation air input |
| CN205400948U (en) * | 2016-03-10 | 2016-07-27 | 南京理工大学 | FSAE cycle racing chamber of admitting air |
| CN105909434A (en) * | 2016-06-17 | 2016-08-31 | 武汉理工大学 | FSAE air intake system with inlaid intake header pipes |
| CN109058005A (en) * | 2018-07-18 | 2018-12-21 | 太原理工大学 | A kind of university student's equation motorcycle race engine intake duct and its method of controlling security |
| CN211422802U (en) * | 2019-12-26 | 2020-09-04 | 华侨大学 | Combined type engine air inlet pressure stabilizing cabin |
-
2019
- 2019-12-26 CN CN201911370054.6A patent/CN110939535A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202732168U (en) * | 2012-08-24 | 2013-02-13 | 华南理工大学 | Air inlet system of FSAE (formula-society of automotive engineers) racing car |
| CN105020069A (en) * | 2015-07-31 | 2015-11-04 | 武汉理工大学 | FSAE racing car air intake system with variable-length air intake manifolds |
| CN205225519U (en) * | 2015-12-18 | 2016-05-11 | 浙江大学城市学院 | Improve variable resonance air intake system of equation motorcycle race circulation air input |
| CN205400948U (en) * | 2016-03-10 | 2016-07-27 | 南京理工大学 | FSAE cycle racing chamber of admitting air |
| CN105909434A (en) * | 2016-06-17 | 2016-08-31 | 武汉理工大学 | FSAE air intake system with inlaid intake header pipes |
| CN109058005A (en) * | 2018-07-18 | 2018-12-21 | 太原理工大学 | A kind of university student's equation motorcycle race engine intake duct and its method of controlling security |
| CN211422802U (en) * | 2019-12-26 | 2020-09-04 | 华侨大学 | Combined type engine air inlet pressure stabilizing cabin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145328A (en) * | 2020-10-22 | 2020-12-29 | 河北工业大学 | Oil spout base that FSAE race car was used |
| CN114738150A (en) * | 2022-04-29 | 2022-07-12 | 哈尔滨东安汽车动力股份有限公司 | Bi-stable-pressure cavity intake manifold assembly for uniformly distributing EGR waste gas |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20200331 |