CN117514549A - Air inlet and exhaust system arrangement structure for arranging air paths of V-shaped engine on same side - Google Patents

Air inlet and exhaust system arrangement structure for arranging air paths of V-shaped engine on same side Download PDF

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Publication number
CN117514549A
CN117514549A CN202311660182.0A CN202311660182A CN117514549A CN 117514549 A CN117514549 A CN 117514549A CN 202311660182 A CN202311660182 A CN 202311660182A CN 117514549 A CN117514549 A CN 117514549A
Authority
CN
China
Prior art keywords
exhaust
air inlet
air
inlet box
row
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
Application number
CN202311660182.0A
Other languages
Chinese (zh)
Inventor
李焕英
张顺利
张伟
李锦华
焦联国
白亚琼
邓聪
徐瑞
王美文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shannxi Diesel Engine Heavy Industry Co Ltd
Original Assignee
Shannxi Diesel Engine Heavy Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shannxi Diesel Engine Heavy Industry Co Ltd filed Critical Shannxi Diesel Engine Heavy Industry Co Ltd
Priority to CN202311660182.0A priority Critical patent/CN117514549A/en
Publication of CN117514549A publication Critical patent/CN117514549A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • 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
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)

Abstract

The utility model provides an advance exhaust system arrangement structure that V type engine gas circuit homonymy was arranged, the gas vent of A row's booster air inlet and B row's booster air inlet intercommunication respectively of A row's booster, be equipped with the suction box assembly that possesses the gas cooling function in the V type space between A row's booster air inlet and the B row's booster air inlet in the A row's the unit, and two upper air inlets of suction box assembly upper end communicate with the gas vent of A row's booster and the gas vent of B row's booster respectively, suction box assembly lower extreme both sides communicate with the cylinder air inlet of corresponding position in A row's booster air inlet respectively with B row's booster air inlet under the same with same side cylinder quantity. According to the invention, through optimizing the positions of the air inlet and outlet pipelines, the air inlet of each cylinder is relatively uniform, the uniformity of working gas is improved, the problems of poor uniformity of the working gas and large width and height dimensions of the whole machine in the traditional structure are solved, and the width and height dimensions of the whole machine are effectively reduced on the premise of ensuring the safe and reliable operation of the engine.

Description

Air inlet and exhaust system arrangement structure for arranging air paths of V-shaped engine on same side
Technical Field
The invention belongs to the technical field of engine air inlet and exhaust systems, and particularly relates to an air inlet and exhaust system arrangement structure for arranging air paths of a V-shaped engine on the same side.
Background
The main function of the air intake and exhaust system is to input clean fresh air or combustible mixed gas into the air cylinder and exhaust the combustion waste gas to the atmosphere, thereby ensuring the continuous operation of the engine and directly affecting the dynamic property, economical efficiency and emission characteristic of the engine. In order to improve the power and reduce the emission, a supercharging air cooling system is generally arranged in an air inlet and exhaust system. The exhaust gas turbocharger mainly comprises a turbine, a compressor and the like. When designing an engine, matching selection and arrangement of a supercharger and an air cooler are generally carried out according to the structure of an exhaust pipe, the power size, the installation space and the like.
In general, the V-type engine A, B is provided with separate parts such as a supercharger, an air cooler, an air inlet pipe, an exhaust pipe and the like, and high-temperature gas exhausted by each exhaust cylinder directly enters the exhaust turbine of the supercharger, and drives the compressor to compress and cool fresh air for the exhaust cylinders. For a V-shaped engine, the arrangement mode of an air inlet and outlet system consisting of a supercharger and an air cooler directly influences the width and the height of the engine, determines the overall dimension of the whole engine, and has the following problems that although A, B air inlet and outlet systems are relatively independent and have no mutual influence on performance: (1) the working uniformity is poor, and the problems of large differences of combustion pressure, exhaust temperature and the like of each cylinder between two rows can exist; (2) each row is provided with an independent air inlet and outlet pipe which is connected with the row of superchargers (in particular radial flow superchargers) and the air cooler, so that the width and height dimensions of the engine are limited to be further reduced; with the development of the engine industry and the progress of technology, the engine is developed towards high power density and light weight, so that the problems are unfavorable for further reducing the overall dimension of the whole machine, reducing the weight of the whole machine and not improving the competitiveness of the product, and therefore, the improvement is needed for the problems.
Disclosure of Invention
The invention solves the technical problems that: the utility model provides an advance exhaust system arrangement structure that V type engine gas circuit homonymy was arranged, through optimizing advance exhaust line position, make it be in homonymy and lie in the V type space between A exhaust cylinder unit and the B exhaust cylinder unit, and make A exhaust cylinder unit and B exhaust cylinder unit share an air inlet box assembly, it is relatively even to make each jar admit air, improve the working gas homogeneity, the problem that traditional structure working gas homogeneity is poor and complete machine width, high size are big has been solved, under the prerequisite of guaranteeing engine safe and reliable operation, the width of complete machine has effectively been reduced, high size, provide the reference for follow-up V type engine advances exhaust system design work.
The invention adopts the technical scheme that: the utility model provides an advance exhaust system arrangement structure that V type engine gas circuit homonymy was arranged, includes A exhaust cylinder unit and B exhaust cylinder unit, the gas vent of A exhaust cylinder unit and B exhaust cylinder unit communicates with the air inlet of A row's booster and the air inlet of B row's booster respectively, be equipped with the inlet box assembly that possesses the gas cooling function in the V type space between A exhaust cylinder unit and the B exhaust cylinder unit, and two upper air inlets of inlet box assembly upper end communicate with the gas vent of A row's booster and the gas vent of B row's booster respectively, a plurality of lower gas vents that inlet box assembly lower extreme both sides and homonymy cylinder quantity are the same communicate with the cylinder air inlet of corresponding position in A exhaust cylinder unit and the B exhaust cylinder unit respectively.
The air inlet box assembly comprises an upper air inlet box, an air cooler and a lower air inlet box, wherein the lower port of the upper air inlet box corresponds to the upper port of the air cooler in position and is fixedly connected with the upper port of the lower air inlet box in position, the lower end of the lower air inlet box is fixed on a machine body of the machine, two upper air inlets communicated with the inside are formed in the end faces of the same side ends of the upper air inlet box, the A row of superchargers and the B row of superchargers, and a plurality of lower air outlets are formed in the two side walls of the length direction of the lower air inlet box.
Further, go up the box structure that the inlet box is lower extreme open-ended form, the border department of last inlet box lower extreme open position is fixed with the square frame, and the frame edge of air cooler upper port passes through bolt fixed connection with the square frame, the gas vent of A row booster and the gas vent of B row booster pass through the pipeline and communicate with two air inlets respectively.
Further, a plurality of baffles which are parallel to the width direction of the baffles and are used for separating a plurality of lower exhaust ports on the long side of the lower air inlet box are fixed inside the lower air inlet box, the frame edge of the upper port of the lower air inlet box is fixedly connected with the frame edge of the lower port of the air cooler into a whole through bolts, the edge of the lower end of the lower air inlet box is fixed with an outwards protruding box edge plate, and the box edge plate is fixed on the machine body through bolts.
Further, the exhaust port of the A exhaust cylinder unit is communicated with the air inlet of an A exhaust turbine in an A exhaust supercharger through an A exhaust pipe assembly, the exhaust port of the B exhaust cylinder unit is communicated with the air inlet of a B exhaust turbine in a B exhaust supercharger through a B exhaust pipe assembly, the exhaust port of an A exhaust compressor coaxially arranged with the A exhaust turbine in the A exhaust supercharger is communicated with one of the upper air inlets, and the exhaust port of a B exhaust compressor coaxially arranged with the B exhaust turbine in the B exhaust supercharger is communicated with the other upper air inlet.
Compared with the prior art, the invention has the advantages that:
1. according to the technical scheme, the positions of the air inlet and outlet pipelines are optimized, so that the air inlet and outlet pipelines are positioned on the same side and in the V-shaped space between the A exhaust cylinder unit and the B exhaust cylinder unit, convenience is brought to arrangement of the air inlet and outlet pipelines, and the width and height of the whole machine are greatly reduced;
2. according to the technical scheme, the A exhaust cylinder unit and the B exhaust cylinder unit share the air inlet box assembly, so that air inlet of each cylinder is relatively uniform, the uniformity of working gas is improved, and the problem of poor uniformity of the working gas in the traditional structure is solved;
3. the technical scheme has the advantages of simple structure, novel design and compact installation structure, effectively reduces the size of the whole engine on the premise of ensuring the safe and reliable operation of the engine, and provides reference for the design work of the air inlet and outlet system of the subsequent V-shaped engine.
Drawings
FIG. 1 is a block diagram of an arrangement of the present invention;
FIG. 2 is a schematic view of the layout of the inlet box assembly of the present invention;
FIG. 3 is a schematic view of the upper inlet box structure of the present invention;
FIG. 4 is a schematic view of the lower inlet box of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In this context, unless otherwise indicated, it is to be understood that: the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The arrangement structure of an air inlet and exhaust system of the V-shaped engine, which is arranged on the same side of an air path, comprises an A exhaust cylinder unit 1 and a B exhaust cylinder unit 2, wherein exhaust ports of the A exhaust cylinder unit 1 and the B exhaust cylinder unit 2 are respectively communicated with air inlets of an A exhaust supercharger 3 and air inlets of a B exhaust supercharger 4, an air inlet box assembly 5 with a gas cooling function is arranged in a V-shaped space between the A exhaust cylinder unit 1 and the B exhaust cylinder unit 2, two upper air inlets 5-5 at the upper end of the air inlet box assembly 5 are respectively communicated with the exhaust ports of the A exhaust supercharger 3 and the exhaust ports of the B exhaust supercharger 4, and a plurality of lower exhaust ports 5-6 with the same number of cylinders on the same side at the two sides of the lower end of the air inlet box assembly 5 are respectively communicated with cylinder air inlets at corresponding positions in the A exhaust cylinder unit 1 and the B exhaust cylinder unit 2; in the structure, the positions of the air inlet and outlet pipelines are optimized to be positioned on the same side and in the V-shaped space between the A exhaust cylinder unit 1 and the B exhaust cylinder unit 2, so that convenience is brought to arrangement of the air inlet and outlet pipelines, and the width and height of the whole machine are greatly reduced; the A exhaust cylinder unit 1 and the B exhaust cylinder unit 2 share one air inlet box assembly 5, so that relatively uniform air inlet pressure and temperature are provided for each cylinder, and the working uniformity is improved; the air inlets and the air outlets of the A cylinder unit 1 and the B cylinder unit 2 are positioned on the same side, the air inlets are positioned below, and the air outlets are positioned above, so that convenience is brought to the arrangement of the air inlet and the air outlet pipes.
The specific structure of the intake box assembly 5 is as follows: the air inlet box assembly 5 comprises an upper air inlet box 5-1, an air cooler 5-2 and a lower air inlet box 5-3, wherein the lower port of the upper air inlet box 5-1 is corresponding to the upper port of the air cooler 5-2 in position and is fixedly connected, the lower port of the air cooler 5-2 is corresponding to the upper port of the lower air inlet box 5-3 in position and is fixedly connected, the lower end of the lower air inlet box 5-3 is fixed on a machine body of the equipment, two upper air inlets 5-5 communicated with the inside are formed in the end faces of the same side ends of the upper air inlet box 5-1, the A row of superchargers 3 and the B row of superchargers 4, and a plurality of lower air outlets 5-6 are formed in two side walls of the length direction of the lower air inlet box 5-3; in the structure, the A exhaust cylinder unit 1 and the B exhaust cylinder unit 2 share the air inlet box assembly 5, so that air inlet of each cylinder is relatively uniform, the uniformity of working gas is improved, and the problem of poor uniformity of the working gas in the traditional structure is solved;
the upper inlet box 5-1 has the following specific structure: the upper air inlet box 5-1 is of a box-type structure with an opening at the lower end, a square frame 5-4 is fixed at the edge of the opening at the lower end of the upper air inlet box 5-1, the frame edge of the upper port of the air cooler 5-2 is fixedly connected with the square frame 5-4 through bolts, and the exhaust port of the row A supercharger 3 and the exhaust port of the row B supercharger 4 are respectively communicated with the two upper air inlets 5-5 through pipelines.
The specific structure of the lower inlet box 5-3 is as follows: the inside of the lower air inlet box 5-3 is fixedly provided with a plurality of partition plates 5-8 which are arranged in parallel with the width direction of the lower air inlet box and are used for separating a plurality of lower exhaust ports 5-6 on the long side of the lower air inlet box 5-3, the frame edge of the upper port of the lower air inlet box 5-3 and the frame edge of the lower port of the air cooler 5-2 are fixedly connected into a whole through bolts, the edge of the lower end of the lower air inlet box 5-3 is fixedly provided with a box edge plate 5-7 protruding outwards, the box edge plate 5-7 is fixed on a machine body through bolts, wherein the lower port of the lower air inlet box 5-3 is of an opening structure and is used for mixing fuel oil/fuel gas with compressed air; in the structure, the plurality of partition plates 5-8 which are arranged in parallel with the width direction of the lower air inlet box 5-3 are fixed in the lower air inlet box, so that two adjacent lower air outlets 5-6 are effectively separated, the air inlet uniformity of each cylinder is ensured, and the difference of the combustion pressure and the exhaust temperature of each cylinder between two rows is effectively reduced.
The exhaust port of the A-exhaust cylinder unit 1 is communicated with the air inlet of an A-exhaust turbine 3-1 in an A-exhaust supercharger 3 through an A-exhaust pipe assembly 6, the exhaust port of the B-exhaust cylinder unit 2 is communicated with the air inlet of a B-exhaust turbine 4-1 in a B-exhaust supercharger 4 through a B-exhaust pipe assembly 7, the air outlet of an A-exhaust compressor 3-2 coaxially arranged with the A-exhaust turbine 3-1 in the A-exhaust supercharger 3 is communicated with one of the upper air inlets 5-5, and the air outlet of a B-exhaust compressor 4-2 coaxially arranged with the B-exhaust turbine 4-1 in the B-exhaust supercharger 4 is communicated with the other upper air inlet 5-5.
The working principle is as follows: exhaust gas discharged after the cylinders of the A exhaust cylinder unit 1 and the B exhaust cylinder unit 2 do work enters an A exhaust pipe assembly 6 and a B exhaust pipe assembly 7 into an A exhaust turbine 3-1 in the A exhaust supercharger 3 and a B exhaust turbine 4-1 in the B exhaust supercharger 4 respectively, and the exhaust gas energy is utilized to push the turbines in the corresponding rows to rotate, so that an A exhaust gas compressor 3-2 coaxially arranged with the A exhaust turbine 3-1 and a B exhaust gas compressor 4-2 coaxially arranged with the B exhaust gas turbine 4-1 are driven to boost fresh air; the air after the pressurization of the exhaust air compressor A3-2 and the exhaust air compressor B4-2 enters the shared upper air inlet box 5-1, then enters the air cooler 5-2 from the upper air inlet box 5-1 for cooling, finally enters the exhaust air cylinder unit A1 and the exhaust air cylinder unit B2 through the lower air inlet box 5-3 according to the ignition sequence, and is mixed with fuel oil/fuel gas for combustion to push the engine to do work outwards; wherein, the air cooler 5-2 adopts a fin type air cooler.
The technical scheme has the advantages of simple structure, novel design and compact installation structure, effectively reduces the size of the whole engine on the premise of ensuring the safe and reliable operation of the engine, and provides reference for the design work of the air inlet and outlet system of the subsequent V-shaped engine.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1.V formula engine gas circuit homonymy arranges advances exhaust system arrangement structure, including A exhaust gas jar unit (1) and B exhaust gas jar unit (2), its characterized in that: the air inlet and the air outlet of the A exhaust cylinder unit (1) and the air outlet of the B exhaust cylinder unit (2) are positioned on the same side, the air inlet is positioned below, the air outlet is positioned above, the air outlets of the A exhaust cylinder unit (1) and the B exhaust cylinder unit (2) are respectively communicated with the air inlet of the A exhaust supercharger (3) and the air inlet of the B exhaust supercharger (4), an air inlet box assembly (5) with a gas cooling function is arranged in a V-shaped space between the A exhaust cylinder unit (1) and the B exhaust cylinder unit (2), two upper air inlets (5-5) at the upper end of the air inlet box assembly (5) are respectively communicated with the air outlet of the A exhaust supercharger (3) and the air outlet of the B exhaust supercharger (4), and a plurality of lower air outlets (5-6) with the same number of cylinders on the same side are respectively communicated with air inlets of cylinders at corresponding positions in the A exhaust cylinder unit (1) and the B exhaust cylinder unit (2).
2. The intake and exhaust system arrangement structure of the V-type engine air path same-side arrangement according to claim 1, characterized in that: the air inlet box assembly (5) comprises an upper air inlet box (5-1), an air cooler (5-2) and a lower air inlet box (5-3), wherein the lower port of the upper air inlet box (5-1) is in corresponding and fixed connection with the upper port of the air cooler (5-2), the lower port of the air cooler (5-2) is in corresponding and fixed connection with the upper port of the lower air inlet box (5-3), the lower end of the lower air inlet box (5-3) is fixed on a machine body, two upper air inlets (5-5) communicated with the inside are formed in the end faces of the same side ends of the upper air inlet box (5-1) and the row A of superchargers (3) and the row B of superchargers (4), and a plurality of lower air outlets (5-6) are formed in two side walls of the length direction of the lower air inlet box (5-3).
3. The intake and exhaust system arrangement structure of the V-type engine air path same-side arrangement according to claim 2, characterized in that: the upper air inlet box (5-1) is of a box-type structure with an opening at the lower end, a square frame (5-4) is fixed at the edge of the opening at the lower end of the upper air inlet box (5-1), the frame edge of the upper port of the air cooler (5-2) is fixedly connected with the square frame (5-4) through bolts, and the exhaust port of the row A supercharger (3) and the exhaust port of the row B supercharger (4) are respectively communicated with the two upper air inlets (5-5) through pipelines.
4. The intake and exhaust system arrangement structure of the V-type engine air path same-side arrangement according to claim 3, wherein: the air cooler is characterized in that a plurality of partition plates (5-8) which are arranged in parallel with the width direction of the lower air inlet box (5-3) and used for separating a plurality of lower air outlets (5-6) on the long side of the lower air inlet box (5-3) are fixed inside the lower air inlet box (5-3), the frame edge of the upper port of the lower air inlet box (5-3) is fixedly connected with the frame edge of the lower port of the air cooler (5-2) into a whole through bolts, an outwards protruding box edge plate (5-7) is fixed at the edge of the lower end of the lower air inlet box (5-3), and the box edge plate (5-7) is fixed on a machine body through bolts.
5. The intake and exhaust system arrangement structure of the V-type engine air path same-side arrangement according to any one of claims 1 to 4, wherein: the exhaust port of the A exhaust cylinder unit (1) is communicated with the air inlet of an A exhaust turbine (3-1) in the A exhaust supercharger (3) through an A exhaust pipe assembly (6), the exhaust port of the B exhaust cylinder unit (2) is communicated with the air inlet of a B exhaust turbine (4-1) in the B exhaust supercharger (4) through a B exhaust pipe assembly (7), the air outlet of an A exhaust compressor (3-2) coaxially arranged with the A exhaust turbine (3-1) in the A exhaust supercharger (3) is communicated with one of the upper air inlets (5-5), and the air outlet of a B exhaust compressor (4-2) coaxially arranged with the B exhaust turbine (4-1) in the B exhaust supercharger (4) is communicated with the other upper air inlet (5-5).
CN202311660182.0A 2023-12-06 2023-12-06 Air inlet and exhaust system arrangement structure for arranging air paths of V-shaped engine on same side Pending CN117514549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311660182.0A CN117514549A (en) 2023-12-06 2023-12-06 Air inlet and exhaust system arrangement structure for arranging air paths of V-shaped engine on same side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311660182.0A CN117514549A (en) 2023-12-06 2023-12-06 Air inlet and exhaust system arrangement structure for arranging air paths of V-shaped engine on same side

Publications (1)

Publication Number Publication Date
CN117514549A true CN117514549A (en) 2024-02-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311660182.0A Pending CN117514549A (en) 2023-12-06 2023-12-06 Air inlet and exhaust system arrangement structure for arranging air paths of V-shaped engine on same side

Country Status (1)

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