CN117418973A - V-shaped engine integrated air inlet system - Google Patents

V-shaped engine integrated air inlet system Download PDF

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Publication number
CN117418973A
CN117418973A CN202311430405.4A CN202311430405A CN117418973A CN 117418973 A CN117418973 A CN 117418973A CN 202311430405 A CN202311430405 A CN 202311430405A CN 117418973 A CN117418973 A CN 117418973A
Authority
CN
China
Prior art keywords
air inlet
air
cavity
pipe
engine
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
CN202311430405.4A
Other languages
Chinese (zh)
Inventor
尹玉婷
李亚芬
于宝金
徐洋
王雄
王辉
杨旭
宋春燕
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.)
China North Engine Research Institute Tianjin
Original Assignee
China North Engine Research Institute Tianjin
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 China North Engine Research Institute Tianjin filed Critical China North Engine Research Institute Tianjin
Priority to CN202311430405.4A priority Critical patent/CN117418973A/en
Publication of CN117418973A publication Critical patent/CN117418973A/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
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • 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
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10026—Plenum chambers
    • F02M35/10052—Plenum chambers special shapes or arrangements of plenum chambers; Constructional details
    • 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
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10268—Heating, cooling or thermal insulating means

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Supercharger (AREA)

Abstract

The invention provides an integrated air inlet system of a V-shaped engine, which comprises the following components: the cooling shell is arranged on the inner side of a V-shaped included angle of the V-shaped engine body, and a cooling cavity is arranged in the cooling shell; the intercooler core is arranged at the inner side of the cooling cavity and divides the cooling cavity into an air inlet cavity and an air outlet cavity; the cooling shell is provided with an air inlet communicated with the air inlet cavity, the cooling shell is fixedly provided with an air inlet pipe communicated with the air outlet cavity, and the air inlet pipe is communicated with the air cylinder. An air inlet connecting pipe communicated with the air cylinder is fixedly arranged on the cylinder cover of the V-shaped engine, and the air inlet pipe is communicated with the air inlet connecting pipe through an air inlet insertion pipe. The invention has the beneficial effects that: external air enters the air inlet cavity through the air inlet holes, and the air enters the air outlet cavity after being cooled by the medium cooling core, so that compared with the main air inlet pipe, the air outlet cavity has the effect of stabilizing the air pressure, the volume and the pressure of the air entering each air inlet pipe are the same, the air inlet resistance is reduced, the power of the engine is improved, and the structure is compact and the space is saved.

Description

V-shaped engine integrated air inlet system
Technical Field
The invention belongs to the technical field of diesel engine supercharging and intercooling, and particularly relates to an integrated air inlet system of a V-shaped engine.
Background
The modern high-power diesel engine generally adopts a supercharging intercooling technology to improve the power performance of the diesel engine, reduce the thermal load of the diesel engine and improve the emission of the diesel engine. The high-power diesel engine is generally a V-shaped diesel engine, the cylinders are divided into a left row and a right row, and the pressurized air enters an intercooler for cooling through a pipeline and is distributed to air inlet pipe parts of each cylinder through an air inlet main pipe, and finally enters a cylinder cover.
The current V-shaped diesel engine air inlet system is complex, large in size and heavy in weight, so that the height and width of the diesel engine are increased to different degrees, the integration degree of the whole engine is low, and the manufacturing cost of the engine is increased.
Disclosure of Invention
In view of the foregoing, the present invention is directed to an integrated intake system for a V-type engine, which is designed to solve at least one of the above-mentioned problems.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
in one aspect, the present invention provides an integrated intake system for a V-engine, comprising:
the cooling shell is arranged on the inner side of a V-shaped included angle of the V-shaped engine body, and a cooling cavity is arranged in the cooling shell;
the intercooler core is arranged at the inner side of the cooling cavity and divides the cooling cavity into an air inlet cavity and an air outlet cavity; the cooling shell is provided with an air inlet communicated with the air inlet cavity, the cooling shell is fixedly provided with an air inlet pipe communicated with the air outlet cavity, and the air inlet pipe is communicated with the air cylinder.
Further, an air inlet connecting pipe communicated with the air cylinder is fixedly arranged on the air cylinder cover of the V-shaped engine, and the air inlet pipe is communicated with the air inlet connecting pipe through an air inlet insertion pipe.
Further, the air inlet pipe and the air inlet insertion pipe are sealed through a rubber ring.
Further, the air inlet cannula and the air inlet connecting pipe are sealed through a rubber ring.
Further, the number of the air inlet pipes is matched with that of the cylinders of the V-shaped engine, and each cylinder is correspondingly provided with one air inlet pipe.
The invention further provides a V-shaped diesel engine, which comprises a V-shaped engine body and an air inlet system communicated with a cylinder, wherein the air inlet system is the V-shaped engine integrated air inlet system.
Compared with the prior art, the integrated air inlet system of the V-shaped engine has the following beneficial effects:
(1) According to the integrated air inlet system of the V-shaped engine, external air enters the air inlet cavity through the air inlet holes, and the air enters the air outlet cavity after being cooled by the intercooler core, compared with a main air inlet pipe, the air outlet cavity has the effect of stabilizing air pressure, so that the volume and the pressure of the air entering each air inlet pipe are the same, the air inlet resistance is reduced, the power performance of the engine is improved, and the integrated air inlet system is compact in structure and saves space.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of an air intake system according to an embodiment of the present invention;
fig. 2 is a schematic top view of an air intake system according to an embodiment of the invention.
Reference numerals illustrate:
1. a V-shaped engine block; 2. an intercooler core; 3. an air outlet cavity; 4. an air inlet pipe; 5. an air inlet cannula; 6. an air inlet connecting pipe; 7. a cylinder head; 8. a rubber ring; 9. an air inlet; 10. and an air inlet cavity.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Embodiment one:
an integrated V-engine air intake system comprising:
the cooling shell is arranged on the inner side of a V-shaped included angle of the V-shaped engine body 1, and a cooling cavity is arranged in the cooling shell;
an intercooler core 2, which is installed inside the cooling cavity and divides the cooling cavity into an air inlet cavity 10 and an air outlet cavity 3; an air inlet 9 communicated with an air inlet cavity 10 is formed in the cooling shell, an air inlet pipe 4 communicated with the air outlet cavity 3 is fixedly arranged on the cooling shell, and the air inlet pipe 4 is communicated with the air cylinder.
The intercooler core 2 adopts, but is not limited to, the existing intercooler core 23626715 of the Kangji K19/38 diesel engine component.
An air inlet connecting pipe 6 communicated with an air cylinder is fixedly arranged on a cylinder cover 7 of the V-shaped engine, and the air inlet pipe 4 is communicated with the air inlet connecting pipe 6 through an air inlet insertion pipe 5.
The air inlet pipe 4 and the air inlet insertion pipe 5 are sealed through a rubber ring 8. The rubber ring 8 improves the tightness between the air inlet pipe 4 and the air inlet insertion pipe 5.
The air inlet cannula 5 and the air inlet connecting pipe 6 are sealed through the rubber ring 8, and the rubber ring 8 improves the tightness between the air inlet cannula 5 and the air inlet connecting pipe 6.
The number of the air inlet pipes 4 is matched with that of the cylinders of the V-shaped engine, and each cylinder is correspondingly provided with one air inlet pipe 4.
The number of air inlet pipes 4 is 6 in some embodiments; in other embodiments the number of air inlet pipes 4 is 8; the air inlet pipes 4 have the same length and are respectively positioned at two sides of the cooling shell, and the intervals between the adjacent air inlet pipes 4 are the same.
The working process comprises the following steps:
when the scheme is implemented, as shown in fig. 1 and 2, arrows in the diagram indicate the flowing direction of air, external air enters the air inlet cavity 10 through the air inlet holes, and the air enters the air outlet cavity 3 after being cooled by the medium cooling core, so that compared with the total air inlet pipe 4, the air outlet cavity 3 has the effect of stabilizing the air pressure, the volume and the pressure of the air entering each air inlet pipe 4 are the same, the air inlet resistance is reduced, the engine power is improved, and the structure is compact and the space is saved.
Embodiment two:
a V-shaped diesel engine comprises a V-shaped engine body 1 and an air inlet system communicated with a cylinder, wherein the air inlet system is the V-shaped engine integrated air inlet system.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the claims and description.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (6)

1. An integrated V-engine air intake system, comprising:
the cooling shell is arranged on the inner side of a V-shaped included angle of the V-shaped engine body (1), and a cooling cavity is arranged in the cooling shell;
the intercooler core (2) is arranged on the inner side of the cooling cavity and divides the cooling cavity into an air inlet cavity (10) and an air outlet cavity (3); an air inlet (9) communicated with an air inlet cavity (10) is formed in the cooling shell, an air inlet pipe (4) communicated with the air outlet cavity (3) is fixedly arranged on the cooling shell, and the air inlet pipe (4) is communicated with the air cylinder.
2. The integrated air intake system of claim 1, wherein: an air inlet connecting pipe (6) communicated with an air cylinder is fixedly arranged on a cylinder cover (7) of the V-shaped engine, and the air inlet pipe (4) is communicated with the air inlet connecting pipe (6) through an air inlet insertion pipe (5).
3. The integrated V-engine air intake system of claim 2, wherein: the air inlet pipe (4) and the air inlet insertion pipe (5) are sealed through a rubber ring (8).
4. The integrated V-engine air intake system of claim 2, wherein: the air inlet insertion pipe (5) and the air inlet connecting pipe (6) are sealed through a rubber ring (8).
5. The integrated air intake system of claim 1, wherein: the number of the air inlet pipes (4) is matched with that of the cylinders of the V-shaped engine, and each cylinder is correspondingly provided with one air inlet pipe (4).
6. The utility model provides a V type diesel engine, includes V type engine block (1), the air intake system who communicates with the cylinder, its characterized in that: the air intake system is the V-type engine integrated air intake system of any one of claims 1-5.
CN202311430405.4A 2023-10-31 2023-10-31 V-shaped engine integrated air inlet system Pending CN117418973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311430405.4A CN117418973A (en) 2023-10-31 2023-10-31 V-shaped engine integrated air inlet system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311430405.4A CN117418973A (en) 2023-10-31 2023-10-31 V-shaped engine integrated air inlet system

Publications (1)

Publication Number Publication Date
CN117418973A true CN117418973A (en) 2024-01-19

Family

ID=89530957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311430405.4A Pending CN117418973A (en) 2023-10-31 2023-10-31 V-shaped engine integrated air inlet system

Country Status (1)

Country Link
CN (1) CN117418973A (en)

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