CN207634214U - Engine intake passage drag reduction supercharging device - Google Patents
Engine intake passage drag reduction supercharging device Download PDFInfo
- Publication number
- CN207634214U CN207634214U CN201721672673.7U CN201721672673U CN207634214U CN 207634214 U CN207634214 U CN 207634214U CN 201721672673 U CN201721672673 U CN 201721672673U CN 207634214 U CN207634214 U CN 207634214U
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- China
- Prior art keywords
- stator blade
- ontology
- air
- intake passage
- straight
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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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- 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
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a kind of engine intake passage drag reduction supercharging device, it carries out rounding off at turning dead angle, and increase deflector in corner channel, and the diversion division of each stator blade carries out punching processing, to destroy vortex structure at whirlpool A, B, the C tri- occurred in buffering air flue, being allowed to local flow drag losses effectively reduces；In addition, the length of straight air pipe foreshortens to the whirlpool regions D forward position destroys original vortex structure using the high-speed flow in straight air pipe, to solve the power consumption issues of whirlpool D in the prior art, local flow drag losses are further effectively reduced；Above-mentioned air duct structure can be such that charge air flow speed improves, and admission pressure increases, and has reached supercharging purpose, and engine, due to the increase into pneumatic energy, can make oil gas in combustion chamber fully disturb mixing, play the effect of energy-saving and emission-reduction in the slow-speed of revolution.
Description
Technical field
The utility model is related to engine charges to be pressurized field, be pressurized more particularly, to a kind of engine intake passage drag reduction
Device.
Background technology
General automobile, locomotive, ship or grass trimmer are the sources for using for example reciprocating engine of internal combustion engine as power, this
The mode of kind of engine running is after mixing air and fuel, to carry out air inlet, compression, explosion, exhaust etc. four in the cylinder of engine
A program, and then generate the output of power.
And atmosphere pollution caused by fossil fuel storage limited caused energy crisis and burning and exhausting makes the mankind's
Living environment constantly deteriorates.A large amount of with automobile popularize, and the technological innovation of energy-saving and emission-reduction is the main of social sustainable development
Approach.
In engine induction stroke, the inlet channel of air stream into engine will generate inevitable flow losses, should
Loss can be divided into friction loss and local resistance loss, and the irreversible dissipation of this portion of energy will cause engine combustion
Efficiency reduces.In the case where the length of inlet channel is certain, the method for reducing friction loss is limited.And how to reduce office
Portion's drag losses still have many methods desirable and with obvious effects.For this purpose, we analyze first original inlet channel structure and
The main producing cause of its local resistance loss proposes improved though, and pass through Numerical Simulation of Aerodynamics on this basis
It is verified, forms a kind of intake passage structure of remodeling.
As shown in Figure 1 to Figure 3, by speed vector figure this it appears that：There is several typical for original gas channel
Generate the structure of larger local resistance（Whirlpool A, B, C, D）, obviously there is larger vortex in these partial structurtes in figure, these vortex
It is formed such that air-flow over these locations, the irreversible dissipation of mechanical energy causes a large amount of losses into pneumatic energy, can make air inlet
Air velocity reduces, and admission pressure reduces, and has been unable to reach supercharging purpose.
Invention content
The utility model solves the problems, such as it is how to eliminate vortex, and reduce local resistance loss and even be eliminated.
To solve the above problems, the utility model provides a kind of engine intake passage drag reduction supercharging device comprising according to
Secondary connected intake cover, ontology and outlet lid form an air circulation cavity, and body interior is provided with straight air duct and buffering gas
Road, outlet lid are installed with body fits and form a gas chamber；Multiple stator blades are connected on ontology madial wall at equal intervals, it is described to lead
Air guide port is formed between gas piece and ontology madial wall, adjacent air guide port is in staggered, is formed between the adjacent stator blade narrow
Mouthful, the air guide port is connected to form buffering air flue with slot；A straight air pipe, the straight-through gas are provided at the ontology axis
Across intake cover and stator blade to form straight air duct, the outlet side of the straight air pipe is located in the ontology near going out pipe
On the stator blade of gas lid；The stator blade and the fixing position of inner body wall are set as curved corner, and are arranged at curved corner
There is corresponding deflector；One end that the stator blade is located at air guide port is provided with diversion division, and the diversion division is provided with several
Deflector hole.
It is further preferred that the deflector is arc panel, and the arc-shaped concave direction of arc panel and the curved corner
Unanimously.
It is further preferred that the quantity of the gas port is three, it is equally spaced on the diversion division.
It is further preferred that the outlet side of the straight air pipe is higher by 3 millimeters to 10 millimeters of the stator blade.
It is further preferred that the outlet side of the straight air pipe is higher by 5 millimeters of the stator blade.
Compared with prior art, the utility model has the following advantages：
1, the utility model carries out rounding off at turning dead angle, and increases deflector in corner channel, and respectively leads
The corner of gas piece carries out punching processing, be eliminated buffering air flue vortex structure to eliminate whirlpool A, B, C in the prior art, into
And vortex structure at three occurred in buffering air flue can be eliminated, being allowed to local flow drag losses effectively reduces；
2, before the length of straight air pipe is foreshortened to whirlpool D generations by the utility model, the outlet side of straight air pipe in structure
It is placed in ontology, and is not passed through in outlet lid across intrinsic stator blade and outlet side, to utilize the height in straight air pipe
Fast air-flow destroys original vortex, to eliminate whirlpool D in the prior art, further effectively reduces local flow drag losses；
3, gas channel structure can be such that charge air flow speed improves in the utility model, and admission pressure increases, and has reached supercharging
Purpose, and engine, due to the increase into pneumatic energy, can make oil gas in combustion chamber fully disturb mixing, play in the slow-speed of revolution
The effects of energy-saving and emission-reduction.
Description of the drawings
Fig. 1 is prior art pressure cloud atlas；
Fig. 2 is prior art speed cloud atlas；
Fig. 3 is prior art speed vector figure；
Fig. 4 is the utility model embodiment structural schematic diagram；
Fig. 5 is Fig. 4 front views；
Fig. 6 is the utility model pressure cloud atlas；
Fig. 7 is the utility model speed cloud atlas；
Fig. 8 is the utility model speed vector figure.
Specific implementation mode
As shown in Figure 1 to Figure 3, by speed vector figure this it appears that：There is several typical for original gas channel
Generate the structure of larger local resistance（Whirlpool A, B, C, D）, obviously there is larger vortex in these partial structurtes in figure, these vortex
It is formed such that air-flow over these locations, the irreversible dissipation of mechanical energy causes a large amount of losses into pneumatic energy, can make air inlet
Air velocity reduces, and admission pressure reduces, and is unable to reach ideal supercharging purpose.
In view of the above technical problems, by the analysis to reason, constantly research finds that a kind of engine charge is logical to inventor
The technical solution of road drag reduction supercharging device comprising intake cover, ontology and the outlet lid being sequentially connected form an air stream cavity
Body, body interior is provided with straight air duct and buffering air flue, outlet lid are installed with body fits and form a gas chamber；On the inside of ontology
Multiple stator blades are connected on wall at equal intervals, form air guide port between each stator blade and ontology madial wall, adjacent stator blade is led
Gas port is staggered, and slot is formed between the adjacent stator blade, and the air guide port is connected to form buffering air flue with slot；It is described
A straight air pipe is provided in ontology, to form straight air duct；
It is both provided at each air guide port except whirlpool flow-guiding structure and each stator blade corresponds to and offers gas port at the end of air guide port,
Form the structure for eliminating buffering air flue vortex；
The straight air pipe is arranged in intake cover and intrinsic stator blade, and the inlet end of straight air pipe is placed in intake cover
And its outlet side is located within the body, and forms the structure for eliminating straight air duct vortex being vortexed in outlet side impact outlet lid.
In conjunction with shown in Fig. 6 to Fig. 7, by removing whirlpool flow-guiding structure in buffering air flue in above structure, to eliminate existing skill
Whirlpool A, B, C in art, and then vortex structure at three occurred in buffering air flue can be eliminated, it is allowed to local flow drag losses and effectively drops
It is low；In addition, before the length of straight air pipe is foreshortened to whirlpool D generations by the utility model, the outlet side of straight air pipe passes through in structure
Intrinsic stator blade and outlet side is placed in ontology, and be not passed through in outlet lid, to utilize the high speed gas in straight air pipe
Stream, destroys original vortex structure, to solve the power consumption issues of whirlpool D in the prior art, further effectively reduces part
Fluid resistance loss；
And then buffer in said structure, straight-through gas channel structure can be such that charge air flow speed improves, admission pressure increases,
Supercharging purpose is reached, and engine, due to the increase into pneumatic energy, can be such that oil gas in combustion chamber fully disturbs in the slow-speed of revolution
Mixing, plays the effect of energy-saving and emission-reduction.
Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment：
As shown in Fig. 4 to Fig. 5, a kind of engine intake passage drag reduction supercharging device, including intake cover 3, ontology 2 and outlet
Lid 1.
As shown in Fig. 4 to Fig. 5, intake cover 3 is the pedestal intake cover for offering air admission hole；Preferably：The intake cover
Bottom surface be penetrating grid surface, and air admission hole is opened on grid surface and can be docked and connected with straight air pipe 6.In particular, institute
Filter screen can be provided with by stating intake cover, and the connection type of the filter screen and intake cover is the company of the filter screen and intake cover
Connect mode be detachable connection or integration connection manufacture formed, the detachable connection mode include plug-in connection or
Person's screw type connects.The filter screen is used to filter the air into ontology 2, to keep the air into combustion chamber of engine dry
Only.
As shown in Fig. 4 to Fig. 5, ontology 2, is tubular body and its both ends is respectively inlet end and outlet side, aforementioned air inlet
Lid 3 is installed on the inlet end of ontology 2, which is internally provided with straight air duct and buffering air flue；Specifically：2 inside of ontology
It is provided with multiple stator blades 21 being intervally arranged on wall, air guide port 22, phase are formed between 2 madial wall of the stator blade 21 and ontology
The air guide port 22 of adjacent stator blade 21 is staggered, and slot 4, the air guide port 21 and slot are formed between the adjacent stator blade 21
4 connections form buffering air flue；The straight air pipe 6 of a connection intake cover air inlet and gas chamber is provided in the ontology 2, to be formed
Straight air duct.The middle part of aforementioned each stator blade 21 offers the through-hole 24 of cooperation installation straight air pipe 6, on multiple stator blades 21
Through-hole forms the accommodating slot of accommodating straight air pipe 6.
Preferably：As shown in Fig. 4 to Fig. 5, the stator blade 21 and the airflow direction of buffering air flue inversely tilt certain angle
Degree, with buffer gas flow.And 21 one end of each stator blade is fixed on 2 madial wall of ontology and the whole direction of stator blade 21 in the present embodiment
1 direction of intake cover is obliquely installed, and air guide port 22 above-mentioned is formed between 2 madial wall of 21 other end of stator blade and ontology, and is set
The stator blade 21 being placed in ontology 2 is tilted towards a direction so that forming a clip cavity between adjacent stator blade 21, and the clip cavity one end is horizontal
It is provided with slot 4 at the minimum of section, and air is entered to from air guide port 22 in the clip cavity that adjacent stator blade 21 is formed and to slot 4
Export, then enter clip cavity and to export from slot 4 from next air guide port 22, the channel of slot 4 and its both sides forms venturi effect,
It is effectively increased air velocity.
More preferably：As shown in Fig. 4 to Fig. 5, aforementioned each stator blade 21 is bent to form close to the end of 22 side of air guide port
Hook-shaped end；Effective air guide effect is realized along air-flow direction.In more detail：Each stator blade 21 is obliquely installed
Sheet body, section can be "-" type or S-shaped shape or zigzag etc., and in the present embodiment by section in "-" type sheet body for into
Row explanation, but it is not limited only to the sheet body of "-" type.
As shown in Fig. 4 to Fig. 5, outlet lid 1, for the funnel-form vent cap of unicom can be coordinated with car engine air inlet,
The 1 heavy caliber one end of outlet lid and the outlet side of ontology 2, which coordinate, installs and is formed a gas chamber 5, engine described in small-bore one end
The gas outlet of power assisting device, and be connected to the cooperation of car engine air inlet.Outlet lid 1 or polygon or hemispherical or circle
The shell of taper.
As shown in Fig. 4 to Fig. 5, the structure of injection molding can be integrated and can also be by being built-in with the ontology 2 of multiple stator blades 21
Be broken down into two parts and two parts carry out injection molding and assembly is integrated, and in the present embodiment with ontology be divided into two parts into
Row explanation；The ontology 2 splices integral frame including two mutual pieces of energy, and each stator blade by two sheet body splicings and
At wherein each sheet body is fixed on the inside of corresponding frame；Specifically：It is provided with convenient for bottle on the docking side of each frame
The raised line of dress, the raised line can be engaged with another frame and mutually bond, to form the structure for being easily installed and assembling.When
So, the material such as copper, aluminium etc. that the ontology 2 can also be made of aluminum alloy materials or other thermal diffusivities are good is made, to obtain
Better radiating and cooling effect is obtained, the ontology 2 is round or polygon tubular body, and the shape of intake cover 3 and 2 phase of ontology
Adaptation.
As shown in Fig. 4 to Fig. 5, it is both provided at above-mentioned each air guide port 22 except whirlpool flow-guiding structure 7 and the correspondence of each stator blade 21
It is equipped with diversion division at the end of air guide port 22, and offers gas port 8 on diversion division, forms the structure for eliminating buffering air flue vortex；
Specifically：The whirlpool flow-guiding structure 7 that removes includes curved corner 71 and deflector 72, each stator blade 21 and 2 inner wall of ontology
It is connected and is formed by corner and does fillet processing, to form curved corner 71, and is provided with a deflector at each curved corner 71
72, each deflector 72 is arc panel, and the arc-shaped concave of each deflector 72 is arranged towards corresponding stator blade 21.Specifically
It says：It is in hook solid at the end of the correspondence air guide port 22 of each stator blade 21, is towards outlet at the hook solid end of stator blade 21
1 direction of lid is bent, and the gas port 8 is opened in the bending place of each stator blade 21；In the present embodiment, the gas port 8
Quantity is three, and each stator blade 21 that is set to that three gas ports 8 are spaced corresponds at the end of air guide port 22.
As shown in Fig. 4 to Fig. 5, the straight air pipe 6 is arranged in the stator blade 21 in intake cover 3 and ontology 2, straight air pipe
6 inlet end is placed in intake cover 3 and its outlet side is located in ontology 2, forms the elimination being vortexed in outlet side impact outlet lid 1
The structure of straight air duct vortex.Specifically：The tapping that 6 one end of the straight air pipe is located at intake cover 3 forms straight-through air inlet
Structure, and the other end of straight air pipe 6 is outlet side and is placed in ontology 2 across multiple stator blades 21, is formed and leads directly to outlet
Structure, and then impact in outlet lid 1 and be formed by vortex to realize elimination vortex.
In conjunction with shown in Fig. 4 to Fig. 8, improve front and back pressure and VELOCITY DISTRIBUTION comparison：
It is compared by taking 1.6L discharge capacities as an example, and comparison table is as follows, 1500 turns of engine speed, intake velocity
7.05m/s
Conclusion：
Charge air flow speed can be made to improve using the intake passage structure of the utility model structure, admission pressure increases, and reaches
It has arrived supercharging purpose, and engine is in the slow-speed of revolution, due to the increase into pneumatic energy, oil gas can have been made in combustion chamber fully to disturb mixed
It closes, plays the effect of energy-saving and emission-reduction.
Although the utility model is disclosed as above with preferred embodiment, its be not for limiting the utility model, it is any
Those skilled in the art without departing from the spirit and scope of the utility model, can make possible variation and modification, because
This scope of protection of the utility model should be subject to the range that the utility model claims are defined.
Claims (5)
1. engine intake passage drag reduction supercharging device comprising intake cover, ontology and the outlet lid being sequentially connected are formed
Air-flow cavity body, body interior is provided with straight air duct and buffering air flue, outlet lid are installed with body fits and form a gas chamber；
Multiple stator blades are connected on ontology madial wall at equal intervals, form air guide port between the stator blade and ontology madial wall, it is adjacent
Air guide port is in staggered, slot is formed between the adjacent stator blade, the air guide port is connected to form buffering air flue with slot；
A straight air pipe is provided at the ontology axis, the straight air pipe passes through intake cover and stator blade to form straight air duct,
It is characterized in that：
The outlet side of the straight air pipe is located in the ontology on the stator blade of outlet lid；
The stator blade and the fixing position of inner body wall are set as curved corner, and corresponding water conservancy diversion is provided at curved corner
Plate；
One end that the stator blade is located at air guide port is provided with diversion division, and the diversion division is provided with several deflector holes.
2. engine intake passage drag reduction supercharging device according to claim 1, it is characterised in that：The deflector is
Arc panel, and the arc-shaped concave direction of arc panel is consistent with the curved corner.
3. engine intake passage drag reduction supercharging device according to claim 1, it is characterised in that：The number of the gas port
Amount is three, is equally spaced on the diversion division.
4. engine intake passage drag reduction supercharging device according to claim 1, it is characterised in that：The straight air pipe
Outlet side is higher by 3 millimeters to 10 millimeters of the stator blade.
5. engine intake passage drag reduction supercharging device according to claim 4, it is characterised in that：The straight air pipe
Outlet side is higher by 5 millimeters of the stator blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721672673.7U CN207634214U (en) | 2017-12-05 | 2017-12-05 | Engine intake passage drag reduction supercharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721672673.7U CN207634214U (en) | 2017-12-05 | 2017-12-05 | Engine intake passage drag reduction supercharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634214U true CN207634214U (en) | 2018-07-20 |
Family
ID=62855931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721672673.7U Expired - Fee Related CN207634214U (en) | 2017-12-05 | 2017-12-05 | Engine intake passage drag reduction supercharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806381A (en) * | 2017-12-05 | 2018-03-16 | 郭文浩 | Engine intake passage drag reduction supercharging device |
-
2017
- 2017-12-05 CN CN201721672673.7U patent/CN207634214U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806381A (en) * | 2017-12-05 | 2018-03-16 | 郭文浩 | Engine intake passage drag reduction supercharging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20191205 |