CN113775448A - Air inlet pipeline used in front of supercharger - Google Patents
Air inlet pipeline used in front of supercharger Download PDFInfo
- Publication number
- CN113775448A CN113775448A CN202111173722.3A CN202111173722A CN113775448A CN 113775448 A CN113775448 A CN 113775448A CN 202111173722 A CN202111173722 A CN 202111173722A CN 113775448 A CN113775448 A CN 113775448A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- pipe body
- supercharger
- ice
- inlet pipe
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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
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
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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
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Supercharger (AREA)
Abstract
The invention provides an air inlet pipeline used in front of a supercharger, which comprises an air inlet pipe body and an ice blocking cover, wherein the ice blocking cover is arranged on the air inlet pipe body, and the inner wall of the ice blocking cover and the outer wall of the air inlet pipe body jointly enclose a cavity; the air inlet pipe body is provided with a plurality of through holes communicated with the cavity; one side of the ice blocking cover far away from the air inlet pipe body is used for being connected with an air outlet of a crankcase ventilation pipe. The ice blocking cover is arranged on the air inlet pipe body, one side, far away from the air inlet pipe body, of the ice blocking cover is connected with the air outlet of the crankcase ventilation pipe, and the ice blocking cover and the air inlet pipe body enclose a cavity, so that even if ice is formed in the crankcase ventilation pipe, the ice can slide into the cavity along the inner wall of the crankcase ventilation pipe after falling off, and ice blocks are not easy to enter the air inlet pipe body due to blocking of the pipe wall of the air inlet pipe body, so that damage to a supercharger is not easy to cause.
Description
Technical Field
The invention belongs to the technical field of engine air inlet systems, and particularly relates to an air inlet pipeline used in front of a supercharger.
Background
With the gradual tightening of emission and oil consumption regulations, supercharged engines become the mainstream of the market, and accordingly, the problem of icing of crankcase ventilation pipes of supercharged engines in winter is concerned more and more.
Because the air outlet of the crankcase ventilation pipe is connected with the air inlet pipeline which is arranged between the air filter and the supercharger and is used in front of the supercharger, when the crankcase ventilation pipe is frozen, serious problems can occur to an engine of a vehicle, such as overhigh pressure of the crankcase, damage to the supercharger due to entering of ice blocks in the air inlet pipeline in front of the supercharger, and the like. The ice blocks entering the air inlet pipeline in front of the supercharger can damage blades of an impeller of a compressor in the supercharger, so that the supercharger is scrapped, and the problem is particularly serious.
In order to solve the problem of icing of the crankcase ventilation pipe, the measures taken by various manufacturers at present are to heat the crankcase ventilation pipe, such as electric heating, water heating, heat preservation wrapping, arrangement close to a supercharger and the like, but the problem of local icing still occurs at the joint of an air inlet pipeline used in front of the supercharger and the crankcase ventilation pipe, and the supercharger is easily damaged after ice blocks fall off.
Disclosure of Invention
The present invention aims to provide an intake line for a supercharger to solve the above technical problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an air inlet pipeline used in front of a supercharger comprises an air inlet pipe body and an ice blocking cover, wherein the ice blocking cover is arranged on the air inlet pipe body, and the inner wall of the ice blocking cover and the outer wall of the air inlet pipe body jointly enclose a cavity; the air inlet pipe body is provided with a plurality of through holes communicated with the cavity; one side of the ice blocking cover far away from the air inlet pipe body is used for being connected with an air outlet of a crankcase ventilation pipe.
Preferably, the ice blocking cover is an annular cover, the ice blocking cover surrounds the circumferential direction of the air inlet pipe body, and the through holes are uniformly distributed in the circumferential direction of the air inlet pipe body.
Preferably, the ice blocking cover is of a U-shaped structure, and an opening of the U-shaped structure faces the air inlet pipe body.
Preferably, the perforations have a diameter of 3mm to 5 mm.
Preferably, the perforations are 4mm in diameter.
Preferably, the ice blocking cover and the air inlet pipe body are of an integrated structure.
Preferably, the number of the ice blocking covers is multiple, each ice blocking cover is sequentially and closely distributed in the axial direction of the air inlet pipe body, and a vent hole is formed in the side wall between every two adjacent ice blocking covers; and the air outlet of the crankcase ventilation pipe is connected with any one of the ice blocking covers.
Preferably, the number of the ice blocking covers is five.
The invention has the beneficial effects that:
according to the air inlet pipeline used in front of the supercharger, the ice blocking cover is arranged on the air inlet pipeline body, one side, far away from the air inlet pipeline body, of the ice blocking cover is connected with the air outlet of the crankcase ventilation pipe, and the ice blocking cover and the air inlet pipeline body enclose a cavity, so that even if ice is frozen in the crankcase ventilation pipe, the ice will slide into the cavity along the inner wall of the crankcase ventilation pipe after falling off, and due to blocking of the pipe wall of the air inlet pipeline body, ice blocks are not easy to enter the air inlet pipeline body, and therefore the supercharger is not easy to damage.
Drawings
In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and the embodiments of the present invention will be further described in detail with reference to the drawings, wherein
FIG. 1 is a schematic diagram of an air intake circuit for use in front of a supercharger according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of an air intake circuit for use in front of a supercharger according to an embodiment of the present invention;
FIG. 3 is a schematic illustration of an air intake circuit for use in front of a supercharger according to another embodiment of the present invention;
fig. 4 is a schematic diagram of an air intake circuit before a supercharger according to another embodiment of the present invention.
In the drawings, the reference numbers:
11. air inlet pipe body 12, perforation 21, ice blocking cover 22 and cavity
31. Crankcase ventilation pipe 41, whole vehicle air inlet 51, air filter 61, supercharger 62, supercharger air inlet pipe 71, cylinder head protective cover 81, and air inlet pipeline used in front of supercharger
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description will be provided with reference to specific embodiments.
As shown in fig. 1, an air intake pipeline 81 used in front of a supercharger is provided in an embodiment of the present invention, and includes an air intake pipe body 11 and an ice blocking cover 21, where the ice blocking cover 21 is disposed on the air intake pipe body 11, and an inner wall of the ice blocking cover 21 and an outer wall of the air intake pipe body 11 together enclose a chamber 22; the air inlet pipe body 11 is provided with a plurality of through holes 12 communicated with the cavity 22; and one side of the ice blocking cover 21, which is far away from the air inlet pipe body 11, is used for being connected with an air outlet of the crankcase ventilation pipe 31.
According to the air inlet pipeline used in front of the supercharger, the ice blocking cover 21 is arranged on the air inlet pipe body 11, one side, far away from the air inlet pipe body, of the ice blocking cover 21 is connected with the air outlet of the crankcase ventilation pipe 31, and the ice blocking cover 21 and the air inlet pipe body 11 enclose the cavity 22, so that even if ice is formed in the crankcase ventilation pipe 31, the ice will slide into the cavity along the inner wall of the crankcase ventilation pipe after falling off, and due to blocking of the pipe wall of the air inlet pipe body 11, ice blocks are not easy to enter the air inlet pipe body 11, and damage to the supercharger is not easy to cause. Meanwhile, the gas in the crankcase ventilation pipe 31 can flow into the air inlet pipe body through the chamber and the through hole, so that the normal work of the air inlet system is ensured.
Further, the ice blocking cover 21 is an annular cover, the ice blocking cover 21 surrounds the air inlet pipe body 11 in the circumferential direction, and the through holes 12 are uniformly distributed in the circumferential direction of the air inlet pipe body 11, so that the space of the cavity 22 is large, more ice cubes can be stored, meanwhile, the through holes can be prevented from being blocked by the ice cubes, and air can be enabled to smoothly enter the air inlet pipe body through the through holes.
Specifically, the ice blocking cover 21 is of a U-shaped structure, and an opening of the U-shaped structure faces the air inlet pipe body.
It may be preferable that the perforation 12 has a diameter of 3mm to 5 mm. By adopting the scheme, the size of the ice blocks entering the air inlet pipe body can be limited by adjusting the diameter of the through hole in the air inlet pipe body, and the test result shows that when the diameter of the through hole is below 5mm, even if a small part of ice blocks with small sizes pass through the through hole 12 and enter the air inlet pipe body 11, the ice blocks cannot damage the supercharger due to the fact that the sizes of the ice blocks are too small.
In particular, the perforations 12 have a diameter of 4 mm.
In order to ensure that the connection between the ice blocking cover 21 and the air inlet pipe body 11 is reliable and the air inlet pipe body has better sealing performance, the ice blocking cover 21 and the air inlet pipe body 11 are of an integrated structure.
As shown in fig. 3, the number of the ice blocking covers 21 is multiple, each ice blocking cover 21 is sequentially and closely distributed in the axial direction of the air inlet pipe body 11, and a vent hole is formed in a side wall between two adjacent ice blocking covers 21; the air outlet of the crankcase ventilation pipe 31 is connected with any one of the ice-blocking covers, so that the air inlet silencer is formed by the plurality of ice-blocking covers and the air inlet pipe body together, and air inlet noise can be effectively reduced. Each through hole 12 can play a role in silencing, and the vent holes can enable two adjacent chambers to be communicated, so that the air inlet pipeline 81 used in front of the supercharger has a silencing effect, and can well prevent ice blocks from entering the air inlet pipe body 11.
Specifically, the number of the ice blocking covers 21 is five. It can be understood that the number of the ice blocking covers 21 can be set according to the actual air intake requirement, so that the better noise elimination effect is achieved while the ice blocks are reduced to enter the air intake pipe body, and the air intake noise is effectively weakened.
As shown in fig. 2 and 4, an embodiment of the present invention provides an air intake system, which includes a vehicle air inlet 41, an air cleaner 51, an air intake pipeline 81 used in front of a supercharger, a supercharger air intake pipe 62, a supercharger 61, a cylinder cover shield 71, and a crankcase ventilation pipe 31 according to any one of the above technical solutions, wherein an air inlet of the air cleaner 51 is connected to the vehicle air inlet 41 through a pipeline, an air outlet of the air cleaner is connected to an air inlet end of the air intake pipeline 81 used in front of the supercharger through a pipeline, an air outlet end of the air intake pipeline 81 used in front of the supercharger is connected to the supercharger 61 through the supercharger air intake pipe 62, the supercharger 61 is connected to the cylinder cover shield 71 through a pipeline, and two ends of the crankcase ventilation pipe 31 are respectively connected to an ice blocking shield 21 and the cylinder cover shield 71 which are disposed on the air intake pipeline used in front of the supercharger. It will be understood that the arrows in the figures indicate the direction of the airflow.
The invention better solves the problem that the blades on the impeller of the supercharger compressor are damaged by ice blocks through lower cost, and provides guarantee for the reliable operation of the vehicle in extremely cold areas. The invention is also suitable for diesel supercharger engine vehicles, especially logistics vehicles which often run at high speed for a long time in winter, and the crankcase ventilation pipe is easy to freeze. The ice blocking cover is integrated on the air inlet pipeline in front of the supercharger, so that the problem that the supercharger is damaged by icing of a crankcase ventilation pipe is better solved, the problem of reliability of the whole vehicle is solved through extremely low cost, and the adaptability of the vehicle in an extremely cold environment is greatly improved.
The above are only preferred embodiments of the present invention, it should be noted that these examples are only for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
Claims (8)
1. An air inlet pipeline used in front of a supercharger is characterized by comprising an air inlet pipe body and an ice blocking cover, wherein the ice blocking cover is arranged on the air inlet pipe body, and the inner wall of the ice blocking cover and the outer wall of the air inlet pipe body jointly enclose a cavity; the air inlet pipe body is provided with a plurality of through holes communicated with the cavity; one side of the ice blocking cover far away from the air inlet pipe body is used for being connected with an air outlet of a crankcase ventilation pipe.
2. The intake pipe used before the supercharger as recited in claim 1, wherein the ice blocking cover is an annular cover, the ice blocking cover surrounds the intake pipe body in the circumferential direction, and the perforations are uniformly distributed in the circumferential direction of the intake pipe body.
3. The intake pipe used before the supercharger as recited in claim 2, wherein the ice blocking cover is of a U-shaped structure, and an opening of the U-shaped structure faces the intake pipe body.
4. The intake conduit before a supercharger of claim 1, wherein the perforations are 3mm to 5mm in diameter.
5. The intake conduit before a supercharger of claim 4, wherein the perforations are 4mm in diameter.
6. The intake conduit before a supercharger as recited in claim 1, wherein the ice blocking cover and the intake pipe body are of an integral structure.
7. The intake pipeline used before the supercharger as claimed in any one of claims 1 to 6, wherein the number of the ice blocking covers is multiple, each ice blocking cover is sequentially and closely distributed in the axial direction of the intake pipe body, and a vent hole is formed in a side wall between every two adjacent ice blocking covers; and the air outlet of the crankcase ventilation pipe is connected with any one of the ice blocking covers.
8. The air intake pipeline used before the supercharger as claimed in claim 7, wherein the number of the ice blocking covers is five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111173722.3A CN113775448B (en) | 2021-09-30 | 2021-09-30 | Air inlet pipeline used in front of supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111173722.3A CN113775448B (en) | 2021-09-30 | 2021-09-30 | Air inlet pipeline used in front of supercharger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113775448A true CN113775448A (en) | 2021-12-10 |
| CN113775448B CN113775448B (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111173722.3A Active CN113775448B (en) | 2021-09-30 | 2021-09-30 | Air inlet pipeline used in front of supercharger |
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| Country | Link |
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| CN (1) | CN113775448B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320677A (en) * | 2022-01-14 | 2022-04-12 | 安徽江淮汽车集团股份有限公司 | Low pressure EGR water heating structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202900451U (en) * | 2012-10-19 | 2013-04-24 | 东风汽车有限公司 | EGR mixer for EGR engine |
| CN206035684U (en) * | 2016-08-31 | 2017-03-22 | 昆山市易泰汽车科技有限公司 | Engine respiratory tube anti -freezing device |
| CN106640268A (en) * | 2016-11-09 | 2017-05-10 | 昆山三动力有限公司 | Ventilation device for engine crankcase and engine |
| CN108071445A (en) * | 2016-11-11 | 2018-05-25 | 上海汽车集团股份有限公司 | Crankcase anti-icing equipment, crankcase ventilation system, engine and automobile |
| CN212508474U (en) * | 2020-07-14 | 2021-02-09 | 长城汽车股份有限公司 | Crankcase ventilation system and car |
-
2021
- 2021-09-30 CN CN202111173722.3A patent/CN113775448B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202900451U (en) * | 2012-10-19 | 2013-04-24 | 东风汽车有限公司 | EGR mixer for EGR engine |
| CN206035684U (en) * | 2016-08-31 | 2017-03-22 | 昆山市易泰汽车科技有限公司 | Engine respiratory tube anti -freezing device |
| CN106640268A (en) * | 2016-11-09 | 2017-05-10 | 昆山三动力有限公司 | Ventilation device for engine crankcase and engine |
| CN108071445A (en) * | 2016-11-11 | 2018-05-25 | 上海汽车集团股份有限公司 | Crankcase anti-icing equipment, crankcase ventilation system, engine and automobile |
| CN212508474U (en) * | 2020-07-14 | 2021-02-09 | 长城汽车股份有限公司 | Crankcase ventilation system and car |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320677A (en) * | 2022-01-14 | 2022-04-12 | 安徽江淮汽车集团股份有限公司 | Low pressure EGR water heating structure |
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| Publication number | Publication date |
|---|---|
| CN113775448B (en) | 2022-08-26 |
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