CN118517329B - Low-speed air supplementing structure of marine turbocharger - Google Patents
Low-speed air supplementing structure of marine turbocharger Download PDFInfo
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- CN118517329B CN118517329B CN202410971163.8A CN202410971163A CN118517329B CN 118517329 B CN118517329 B CN 118517329B CN 202410971163 A CN202410971163 A CN 202410971163A CN 118517329 B CN118517329 B CN 118517329B
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- venturi nozzle
- air filter
- turbocharger
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- 230000001502 supplementing effect Effects 0.000 title claims abstract description 14
- 230000008602 contraction Effects 0.000 claims abstract 2
- 108090000565 Capsid Proteins Proteins 0.000 claims description 8
- 230000006872 improvement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
-
- 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
- F02M35/02—Air cleaners
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
-
- 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
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
- F02M35/02425—Support structures increasing the stability or stiffness of the filter element
-
- 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
- F02M35/02—Air cleaners
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
- F02M35/042—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices combined with other devices, e.g. heaters ; for use other than engine air intake cleaning, e.g. air intake filters arranged in the fuel vapour recovery system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
Abstract
The invention belongs to the technical field of engines, and particularly provides a low-speed air supplementing structure of a marine turbocharger, which comprises an electric fan, a venturi nozzle, an air filter and a turbocharger, wherein an air outlet end of the electric fan is connected with an air inlet section of the venturi nozzle, one end of the venturi nozzle penetrates through the center of a front shell of the air filter, a contraction section and an air outlet section of the venturi nozzle are both positioned in the air filter, an air inlet net is fixedly connected between the front shell and a rear shell of the air filter, a plurality of matched arc-shaped support plate mounting grooves are formed in one side, opposite to the front shell and the rear shell, of each group of matched support plate mounting grooves, arc-shaped support plates are clamped in each group of matched support plate mounting grooves, an air filter air outlet is formed in the center of the rear shell of the air filter, a connecting sleeve is arranged on the rear shell outside the air filter air outlet, and the air filter is fixedly connected with an inlet position of a compressor section of the turbocharger through a clamping groove formed in the connecting sleeve. With the above arrangement, the intake air amount of the turbocharger at the time of low-speed operation can be greatly improved.
Description
Technical Field
The invention relates to the technical field of engines, in particular to a low-speed air supplementing structure of a marine turbocharger.
Background
With the diversification of the application sites of the engine, the demand of users for engines with different performances is increasing, and the turbocharger is an important component of the engine, which plays a vital role in improving the performances of the engine.
A turbocharger is an air compressor driven by exhaust gas generated by the operation of an internal combustion engine through a structure consisting of two impellers that are coaxial. Exhaust gas discharged by the engine enters a turbine exhaust section of the turbocharger and pushes a turbine impeller of the turbine exhaust section to rotate, so that a compressor impeller at the other side connected with the turbine exhaust section can be driven to rotate simultaneously, the compressor impeller is positioned in the compressor section, air is forcedly sucked in from an air inlet by the compressor impeller, and after being rotationally compressed by blades, the air enters a diffusion channel with larger and larger pipe diameters and flows out, and the compressed air is injected into a cylinder to be combusted.
In the continuous effort of developers, high-pressure-ratio, high-speed turbochargers have been developed and applied to the market, but performance of the turbochargers at low speeds is neglected while high-speed performance is pursued. During low-speed operation, the rotating speed of an impeller of the turbocharger can be reduced, which can influence the capacity of a compressor section for absorbing and compressing air, so that the turbocharger has a plurality of problems of insufficient low-speed air inflow, poor low-speed response and the like in the application process, and the performance of an engine is seriously restricted.
Disclosure of Invention
Aiming at the defects, the invention provides a low-speed air supplementing structure of a marine turbocharger, which can greatly improve the air inflow and low-speed response of a compressor section when the turbocharger runs at a low speed.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a marine turbocharger low-speed air supplementing structure, its characterized in that, includes electric fan, venturi nozzle, air filter, turbo charger, electric fan's air outlet end is connected with the air inlet section of venturi nozzle, the air inlet section of venturi nozzle passes air filter procapsid center department, venturi nozzle's shrink section, air outlet section all are located the inside of air filter, fixedly connected with air inlet net between the procapsid of air filter and the back casing, the opposite one side of procapsid and back casing all is equipped with a plurality of assorted arc backup pad mounting groove, every group assorted all block has curved backup pad in the backup pad mounting groove, air filter back casing center department is equipped with air filter air outlet, be equipped with the adapter sleeve on the back casing in the air filter air outlet outside, air filter passes through adapter sleeve and turbo charger's compressor section import position fixed connection.
As a further improvement of the invention, the bottom of the electric fan is fixedly connected with an electric fan base.
As a further improvement of the invention, the electric fan is communicated with the air inlet section of the venturi nozzle through a connecting rubber tube.
As a further development of the invention, the outer side of the constriction section, which is adjacent to the air intake section, is fixedly connected to the front housing of the air filter.
As a further improvement of the invention, the opposite sides of the front shell and the rear shell are respectively provided with an air inlet net mounting groove for mounting an air inlet net, and the air inlet net is of a grid structure.
As a further improvement of the invention, an air inlet cavity is arranged between one side of the connecting sleeve and the rear shell, a cavity air inlet is arranged above the air inlet cavity, and an air tap interface is arranged on one side of the lower part of the air inlet cavity.
As a further improvement of the present invention, a plurality of the support plate mounting grooves are arranged in a circumferential array along the centers of the front and rear cases.
The invention has the beneficial effects that:
1. When the turbocharger is in a low-speed state, the air filter is in air inlet through an air inlet net around the air filter, and extra air is provided through air exhaust of the electric fan, so that the air inflow of the inlet position of the compressor section of the turbocharger is increased, and the problem of insufficient air inflow of the turbocharger in a low-speed stage is solved.
2. The air filter is connected to the inlet of the pressure compressor of the turbocharger, so that the air filter can filter air and reduce noise.
3. An air cavity and an air tap interface are arranged at the air outlet of the air filter, the air inflow of the inlet position of the compressor section of the turbocharger can be detected by connecting an air flowmeter, and then the air inflow is controlled by adjusting an electric fan.
4. The air outlet of the electric fan is provided with the Venturi nozzle, the Venturi nozzle can accelerate the air conveyed by the electric fan, the air inflow of the low-speed stage of the turbocharger is improved, meanwhile, the air outlet of the Venturi nozzle can produce injection effect due to higher flow speed, the air around the air filter is adsorbed into the air filter through the air inlet net, and the air is discharged to the compressor section of the turbocharger together with the air from the Venturi nozzle at the air outlet of the air filter. Meanwhile, the high-speed air flow sprayed by the Venturi nozzle and the air flow entering through the air inlet net generate shearing mixing and viscosity effects, so that the high-speed air flow and the air flow entering through the air inlet net are gradually and uniformly mixed to form a wider air flow area.
5. Set up the backup pad between air cleaner procapsid, the back casing can play the supporting role to the air inlet network of air cleaner front and back casing and installation, prevent that it from taking place deformation, the backup pad sets up to arc structure simultaneously and can carry out a preswirl by the air of air inlet network suction, can reduce the ability loss of gas flow in-process.
Drawings
FIG. 1 is a schematic diagram of the entire low-speed air supplementing structure of the marine turbocharger of the present invention;
FIG. 2 is a schematic diagram of an electric fan connected to an electric fan base;
FIG. 3 is a schematic diagram of an air filter structure;
FIG. 4 is a schematic view of the internal structure of the air filter;
FIG. 5 is a schematic view of an air filter internal mounting structure;
fig. 6 is an enlarged view of the portion a in fig. 5.
In the figure: 1-an electric fan base, 100-a first support, 101-a first support column, 102-a shock mount, 103-a second support, 104-a second support column and 105-angle iron;
2-an electric fan; 3-connecting the rubber tube;
4-venturi nozzle, 400-air inlet section, 401-contraction section, 402-air outlet section;
5-air filter, 500-front shell, 501-air inlet net, 502-back shell, 503-air filter air outlet, 504-connecting sleeve, 505-air tap interface, 506-air cavity, 507-air cavity air inlet, 508-support plate, 509-support plate mounting groove;
6-turbochargers.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific examples described herein are for purposes of illustration only and are not intended to limit the scope of the invention. The directional terms mentioned in the following embodiments are, for example: upper, lower, left, right, front or rear, etc., are merely references to the directions of the drawings. Thus, directional terminology is used for the purpose of illustration and is not intended to be limiting of the invention, and furthermore, like reference numerals refer to like elements throughout the embodiments.
Referring to fig. 1, the invention provides a low-speed air supplementing structure of a marine turbocharger, which comprises an electric fan base 1, an electric fan 2, a connecting rubber tube 3, a venturi nozzle 4, an air filter 5 and a turbocharger 6.
Referring to fig. 1 and 2, an electric fan base 1 includes a first bracket 100 and a second bracket 103, the first bracket 100 and the second bracket 103 are formed by a sheet metal process, and weight reducing grooves are formed on the first bracket 100 and the second bracket 103. The four corners of the first bracket 100 are provided with straight slot-shaped base fixing holes. The first bracket 100 is fixedly connected with the second bracket 103 through a plurality of bolts and nuts, and shock absorbing seats 102 are sleeved on the bolts. One end at second support 103 top is equipped with first support column 101, and first support column 101 is "worker" style of calligraphy, and first support column 101's bottom fixed connection is on second support 103, and first support column 101's top passes through bolt fixed connection with the one end of electric fan 2 bottom.
The second support column 104 is arranged on two sides of the other end of the second support 103, the bottom of the second support column 104 is fixedly connected to the second support 103, and the upper portion of the second support column 104 is fixedly connected with the middle portions of two sides of the electric fan 2 through bolts. The side of the second support column 104 far away from the first support column 101 is fixedly connected with an angle iron 105, and the bottom of the angle iron 105 is fixedly connected to the second support 103.
As a further explanation of the present embodiment, the electric fan 2 fixedly mounted on the electric fan base 1 is a gas supply device of a low-speed air supplementing structure, and provides an extra amount of air when the turbocharger 6 is running at a low speed, thereby making up for the problem of insufficient intake air amount at the low-speed stage of the turbocharger 6.
Referring to fig. 1 and 3, a venturi nozzle 4 is disposed at an air outlet of the electric fan 2, and the venturi nozzle 4 includes an air inlet section 400, a constriction section 401, and an air outlet section 402. The outer cover of the air inlet section 400 of the Venturi nozzle 4 is provided with a connecting rubber tube 3, and the air inlet section 400 of the Venturi nozzle 4 is mutually communicated with the air outlet of the electric fan 2 through the connecting rubber tube 3. The outlet section 402 of the venturi nozzle 4 is then connected to the interior of the air filter 5.
As a further explanation of the present embodiment, the venturi nozzle 4 may accelerate the air sent from the electric blower 2, and the increase of the intake air amount is achieved by increasing the flow rate.
Referring to fig. 1,3, 4 and 5, the air filter 5 includes a front housing 500, an air intake net 501 and a rear housing 502. The middle part of the front shell 500 is provided with a venturi nozzle inlet, the venturi nozzle 4 passes through the venturi nozzle inlet to be tightly matched with the air filter 5, the outer part of the constriction section 401 of the venturi nozzle 4 is provided with a thread fixing hole, and the venturi nozzle 4 is tightly and fixedly connected with the front shell 500 through a bolt. The inlet section 400 of the venturi nozzle 4 is located outside the air filter 5, and the convergent section 401 and the outlet section 402 of the venturi nozzle 4 are located inside the air filter 5 between the front housing 500 and the rear housing 502.
The opposite side of the front shell 500 and the rear shell 502 is provided with an air inlet net mounting groove, an air inlet net 501 is fixedly connected in the air inlet net mounting groove, the air inlet net 501 fixedly connects the front shell 500 and the rear shell 502, the air inlet net 501 is of a grid structure, and the air inlet net 501 is wrapped around the air inlet net 501 mounting groove.
A plurality of support plate mounting grooves 509 are formed in the inner opposite sides of the front shell 500 and the rear shell 502, the support plate mounting grooves 509 on the front shell 500 and the rear shell 502 are matched with each other, a plurality of arc-shaped support plate mounting grooves 509 are arranged in a circumferential array along the center of the shell, and the support plate mounting grooves 509 are grooves with a certain radian in the middle. A plurality of support plates 508 are arranged between the front shell 500 and the rear shell 502, and two ends of the support plates 508 are respectively clamped in support plate mounting grooves 509 matched with the front shell 500 and the rear shell 502. A support plate 508 (not shown in its entirety) is engaged in each set of mating support plate mounting slots 509.
As a further explanation of this embodiment, the support plate 508 is disposed between the front housing 500 and the rear housing 502 to play a supporting role, and meanwhile, the support plate 508 is designed to be arc-shaped, when air enters the air filter 5 from the air inlet net 501, the air is subjected to the arc-shaped surface of the support plate 508 to generate a pre-rotation, so that energy loss in the air flowing process can be reduced.
Referring to fig. 3 and 5, an air filter air outlet 503 is disposed at the center of the rear housing 502, the air filter air outlet 503 extends toward a side far from the front housing 500 and contracts inwards, and the air outlet of the venturi nozzle 4 is level with the inner side of the air filter air outlet 503. A connecting sleeve 504 is arranged on the rear shell 502 outside the air outlet 503 of the air filter, and a supercharger clamping groove is formed on one side of the connecting sleeve 504 away from the rear shell 502. The air filter 5 is fixedly connected with the inlet position of the compressor section of the turbocharger 6 through a turbocharger clamping groove.
As a further explanation of this embodiment, by arranging the connecting sleeve 504 to be fixedly connected with the inlet position of the compressor section of the turbocharger 6, a closed gas channel is formed between the rear housing 502 of the air filter 5 and the inlet position of the compressor section of the turbocharger 6, so as to ensure that the air intake at the inlet position of the compressor section of the turbocharger 6 is all from the air filter 5.
Referring to fig. 3, 5 and 6, an air cavity 506 is disposed between one side of the connecting sleeve 504 and the rear housing 502, and an air cavity air inlet 507 is disposed above the air cavity 506. One side of the lower part of the air cavity 506 is contracted inwards, the outer side of the contracted part is provided with an air tap interface 505 communicated with the inside of the air cavity 506, and the air tap interface 505 is arranged on the connecting sleeve 504.
As a further explanation of the present embodiment, an air flow meter (which is an existing device) may be connected to the outside of the air tap interface 505, through which the amount of air taken into the compressor section inlet position of the turbocharger from the air filter air outlet 503 may be detected, and then the amount of air taken into the turbocharger 6 in the low speed state may be controlled by adjusting the amount of air discharged from the electric fan 2. The air tap interface 505 is also connected with a pressure sensor (which is the existing equipment), and the pressure value of the inlet position of the compressor section of the turbocharger 6 can be detected through the pressure sensor.
The working principle and the use flow of the embodiment are as follows:
The electric fan 2 is fixedly connected above the electric fan base 1, then an air outlet of the electric fan 2 is fixedly connected with one end of the connecting rubber tube 3, the other end of the connecting rubber tube 3 is fixedly connected with the air inlet section 400 of the venturi nozzle 4, the constriction section 401 and the air outlet section 402 of the venturi nozzle 4 are inserted into the air filter 5 from a venturi nozzle inlet in the middle of the front shell 500 and are fixed, and then a connecting sleeve 504 arranged on the rear shell 502 is fixedly connected with the inlet position of the air compressor section of the turbocharger 6 in a matching manner.
The turbocharger 6 comprises a turbine exhaust section and a compressor section, when the turbocharger 6 works, exhaust gas of the engine enters the turbine exhaust section of the turbocharger 6 to push a turbine impeller of the turbine exhaust section to rotate, so that the compressor impeller on the other side connected with the turbine impeller can be driven to rotate simultaneously, the compressor impeller is positioned in the compressor section, and the compressor impeller forcibly sucks air from an air inlet (in the prior art).
When the turbocharger 6 is in a low speed state, the exhaust gas discharged from the engine in the turbine exhaust section entering the turbocharger 6 is reduced, and the rotation speed of the turbine wheel and the compressor wheel connected with the turbine wheel is reduced, so that the air flow sucked in the compressor section is reduced, and the air inflow entering the compressor section needs to be supplemented at the moment.
The electric fan 2 is started, the air is discharged from the air outlet of the electric fan 2, the discharged air is accelerated by the Venturi nozzle 4, high-speed air flow is formed at the air filter air outlet 503, the high-speed air flow enables the air filter air outlet 503 to form injection effect, the air outside the air inlet net 501 is driven to flow into the air filter 5, the air sprayed by the Venturi nozzle 4 and the air sucked by the air inlet net 501 outside the air filter 5 are collected at the air filter air outlet 503, at the moment, the high-speed air flow sprayed by the Venturi nozzle 4 and the air flow entering by the air inlet net 501 generate shearing mixing and viscosity effect, so that the high-speed air flow and the air flow entering by the air filter air outlet 503 are gradually and uniformly mixed, a wider air flow flowing area is formed, the air flow is discharged to the air compressor section of the turbocharger 6 by the air filter air inlet 503, and the air inflow of the air compressor section of the turbocharger 6 is supplemented under the low-speed state.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above implementation measures, and all technical solutions belonging to the concept of the present invention belong to the scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (5)
1. The utility model provides a marine turbocharger low-speed air supplementing structure, its characterized in that includes electric fan (2), venturi nozzle (4), air cleaner (5), turbo charger (6), the air-out end of electric fan (2) is connected with air inlet section (400) of venturi nozzle (4), air inlet section (400) of venturi nozzle (4) pass air cleaner (5) procapsid (500) center department, constriction section (401) of venturi nozzle (4), air outlet section (402) all are located the inside of air cleaner (5), fixedly connected with air inlet network (501) between procapsid (500) and back casing (502) of air cleaner (5), one side that procapsid (500) and back casing (502) are opposite all is equipped with and are used for installing air inlet network (501) air inlet network mounting groove, air inlet network (501) are grid structure, one side that procapsid (500) and back casing (502) are opposite all are equipped with a plurality of assorted arc backup pad mounting groove (509), a plurality of backup pad mounting groove (509) are along procapsid (500) and back casing (502) are the equal arc of circumference of matching in the backup pad (508) and are set up in the equal circumference of the arc of each backup pad (509), an air filter air outlet (503) is formed in the center of the rear shell (502) of the air filter (5), an air outlet of the Venturi nozzle (4) is leveled with the inner side of the air filter air outlet (503), a connecting sleeve (504) is arranged on the rear shell (502) on the outer side of the air filter air outlet (503), and the air filter (5) is fixedly connected with an inlet position of a compressor section of the turbocharger (6) through the connecting sleeve (504).
2. The low-speed air supplementing structure of the marine turbocharger according to claim 1, wherein an electric fan base (1) is fixedly connected to the bottom of the electric fan (2).
3. The low-speed air supplementing structure of the marine turbocharger according to claim 1, wherein the electric fan (2) is communicated with the air inlet section (400) of the venturi nozzle (4) through a connecting rubber tube (3).
4. The low-speed air supplementing structure of the marine turbocharger according to claim 1, wherein one side of the outer portion of the contraction section (401) close to the air intake section (400) is fixedly connected with a front housing (500) of the air filter (5).
5. The low-speed air supplementing structure of the marine turbocharger according to claim 1, wherein an air cavity (506) is arranged between one side of the connecting sleeve (504) and the rear shell (502), an air cavity air inlet (507) is formed above the air cavity (506), and an air tap interface (505) is arranged on one side of the lower part of the air cavity (506).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410971163.8A CN118517329B (en) | 2024-07-19 | 2024-07-19 | Low-speed air supplementing structure of marine turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410971163.8A CN118517329B (en) | 2024-07-19 | 2024-07-19 | Low-speed air supplementing structure of marine turbocharger |
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|---|---|
| CN118517329A CN118517329A (en) | 2024-08-20 |
| CN118517329B true CN118517329B (en) | 2024-10-08 |
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| JP5863720B2 (en) * | 2013-07-10 | 2016-02-17 | 三菱重工業株式会社 | Silencer for turbocharger |
| JP6223859B2 (en) * | 2014-02-24 | 2017-11-01 | 三菱重工業株式会社 | Supercharger and motor cooling method |
| DE102015014550A1 (en) * | 2015-11-11 | 2017-05-11 | Man Diesel & Turbo Se | Intake system for an exhaust gas turbocharger and turbocharger |
| CN208487058U (en) * | 2018-07-09 | 2019-02-12 | 大同北方天力增压技术有限公司 | A kind of compressor volute structure for turbocharger low speed tonifying Qi |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080008664A (en) * | 2006-07-20 | 2008-01-24 | 현대중공업 주식회사 | Silencer for turbocharger & supercharger |
| CN107630772A (en) * | 2016-07-19 | 2018-01-26 | 曼柴油机和涡轮机欧洲股份公司 | Intake muffler |
| CN108757584A (en) * | 2018-07-09 | 2018-11-06 | 大同北方天力增压技术有限公司 | A kind of turbocharger muffler and its supplementing method for air |
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| CN118517329A (en) | 2024-08-20 |
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