CN113818976B - Air inlet flow dividing device of vehicle engine - Google Patents

Air inlet flow dividing device of vehicle engine Download PDF

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Publication number
CN113818976B
CN113818976B CN202111182659.XA CN202111182659A CN113818976B CN 113818976 B CN113818976 B CN 113818976B CN 202111182659 A CN202111182659 A CN 202111182659A CN 113818976 B CN113818976 B CN 113818976B
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China
Prior art keywords
air
air inlet
filter
air filter
main
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CN202111182659.XA
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Chinese (zh)
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CN113818976A (en
Inventor
娄宇
李乾芳
宫克长
张发家
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Liankong Technologies Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Geely Automobile Research Institute Ningbo Co Ltd
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Priority to CN202111182659.XA priority Critical patent/CN113818976B/en
Publication of CN113818976A publication Critical patent/CN113818976A/en
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Publication of CN113818976B publication Critical patent/CN113818976B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10006Air 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
    • F02M35/10013Means upstream of the air filter; Connection to the ambient air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/024Air cleaners using filters, e.g. moistened
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/1015Air intakes; Induction systems characterised by the engine type
    • F02M35/10157Supercharged engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10242Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10268Heating, cooling or thermal insulating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10242Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10295Damping means, e.g. tranquillising chamber to dampen air oscillations

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

The invention relates to an air inlet shunting device of an automobile engine, wherein a junction of a main air inlet pipeline of an air filter and a cooling pipeline of an automobile ECU is arranged at an air inlet of the air filter, two independent channels are established through a first shunting part and a second shunting part, and air flow of the main air inlet pipeline and air flow of the cooling pipeline parallelly pass through a filter element of the air filter and then are converged at an air outlet of the air filter. Compared with the prior art, the invention has the advantages of avoiding the turbulence generated by the intersection of high-speed airflow, ensuring the uniformity of the airflow, reducing the air intake resistance and the air intake noise, and the like.

Description

Air inlet flow dividing device of vehicle engine
Technical Field
The invention relates to the technical field of automobiles, in particular to an air inlet flow dividing device of an automobile engine.
Background
The air intake system (generally including an air cleaner assembly, an air cleaner intake, a muffler, and an engine intake hose) is an important component of an automobile, and was defined primarily to remove suspended particulate impurities contained in the air entering the engine.
Along with the demand of customers on high power and multiple functions of automobiles, parts in the engine room are more and more compact, the multifunctional integration of parts becomes a trend, the functions of the air inlet system are redefined, including filtering, noise reduction, cooling, crankcase gas interaction, pressure relief valve gas introduction, carbon tank desorption gas interaction and the like, the functions relate to more than two air flows to be intersected, and the current design adopts a structure similar to a three-way pipe, so that the gas is finally converged into a main pipeline and enters an engine to be combusted.
However, most of the existing engines are turbocharged engines, the intake air flow of the engines is large, which results in high flow speed in an intake system, and high-speed air flow is easy to generate turbulence when meeting, which results in:
(1) The uniformity of the air flow is poor, and a flow sensor of the air inlet system does not detect the air flow.
(2) The air intake resistance and the air intake noise are increased, and the dynamic property and the comfort of the whole vehicle are influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an air inlet flow dividing device of an engine for a vehicle.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an automobile-used engine diverging device that admits air, includes main admission line, cooling line, first reposition of redundant personnel portion and the second reposition of redundant personnel portion of empty filter, car ECU is connected to cooling line's one end, first reposition of redundant personnel portion pegs graft with main admission line and cooling line respectively to with empty filter joint, second reposition of redundant personnel portion locates in the empty filter.
Empty filter includes casing and locates empty filter core between the two under casing and the empty filter from empty filter upper housing, empty filter, the bottom of casing is equipped with the air inlet under the empty filter, first reposition of redundant personnel portion with the air inlet joint, second reposition of redundant personnel portion locates in the empty filter inferior valve is internal.
The first flow dividing part comprises a shell connected with the air inlet in a clamped mode, a main air inlet pipeline insertion hole which is arranged in a penetrating mode and used for being connected with a main air inlet pipeline is formed in the upper portion of the shell, a containing cavity which is separated from the main air inlet pipeline insertion hole is formed in the lower portion of the shell, and an air receiving channel which is used for being connected with a cooling pipeline is formed in the bottom of the containing cavity in a penetrating mode.
The second flow dividing part is in interference fit with the air filter element.
The second flow dividing part is of a protection plate structure provided with an arc surface, the arc surface is arranged above the structure, a connecting plate which horizontally extends out and is used for being welded with the inner part of the lower shell of the air filter is arranged at the bottom of the structure, two sides of the arc surface are welded with the lower shell of the air filter, and the arc surface and the edge of the lower shell of the air filter and the containing cavity form an independent space for keeping gas entering the cooling pipeline to be independently fed.
Further, the height of the second flow dividing part is the same as that of the lower housing of the air filter.
Further, the upper air filter shell is connected with the lower air filter shell through screws.
Furthermore, the air inlet setting direction of the main air inlet pipeline insertion hole is the horizontal direction, and the air inlet direction of the air receiving passage is the vertical direction.
Furthermore, the shape and the size of the main air inlet pipeline insertion hole are matched with the shape and the size of the cross section of the joint of the main air inlet pipeline, and bayonets for realizing stable connection with the main air inlet pipeline are arranged on the corresponding shells on the left side and the right side of the main air inlet pipeline insertion hole.
Furthermore, the air receiving passage is of a hollow cylindrical pipeline structure, the shape and the size of the cross section of the air receiving passage are matched with those of the cooling pipeline, and a buckle used for realizing stable connection with the cooling pipeline is arranged on a corresponding shell on the outer side of a connecting port of the air receiving passage.
Compared with the prior art, the invention arranges the junction of the main air inlet pipeline of the air filter and the cooling pipeline of the automobile ECU at the air inlet of the air filter; establish two independent passageways through first reposition of redundant personnel portion, second reposition of redundant personnel portion, the parallel empty filter core that passes through of air current and the cooling line's of main inlet duct, then converge at empty filter gas outlet, can effectually avoid the turbulent flow to solve the turbulent flow problem that high-speed air current meets and produces, and when can guaranteeing the air current homogeneity, reduce the air resistance and admit air the noise.
Drawings
FIG. 1 is a schematic structural diagram of an intake air flow divider of a vehicle engine according to an embodiment;
FIG. 2 is an exploded view of a hollow filter of an intake manifold of an automobile engine according to an embodiment;
FIG. 3 is a front view of a first flow dividing part of the intake flow dividing device of the vehicle engine according to the embodiment;
FIG. 4 is a rear view of the first flow-dividing portion of the intake flow-dividing device of the vehicle engine according to the embodiment;
FIG. 5 is a schematic structural view of a lower housing of a hollow filter of the intake air flow-dividing device of the vehicle engine in the embodiment;
FIG. 6 is a schematic top view of a lower case of a hollow filter in an intake air distribution device of an exemplary embodiment of the present invention;
FIG. 7 is a schematic structural view of a second flow dividing portion of the intake flow dividing device of the vehicular engine in the embodiment;
the reference numbers in the figures indicate:
1. the air filter comprises a main air inlet pipeline, 2, a cooling pipeline, 3, an air filter, 4, a first split part, 41, a shell, 42, a main air inlet pipeline plug hole, 43, an accommodating cavity, 44, a bayonet, 45, an air connecting pipeline, 46, a buckle, 5, an air filter lower shell, 51, an air inlet, 6, a second split part, 61, an arc surface, 62, a connecting plate, 7, an air filter core and 8, an air filter upper shell.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
The invention relates to an air inlet shunting device of an engine for a vehicle, which comprises a first shunting part 4, a second shunting part 6, an air filter 3, a main air inlet pipeline 1 of the air filter 3 and a cooling pipeline 2. One end of the cooling pipeline 2 is connected with an automobile ECU. As shown in fig. 1, the first branch portion 4 of the present invention is inserted into the other end of the main air intake duct 1 and the other end of the cooling duct 2, respectively, and is engaged with the air filter 3.
As shown in fig. 3 and 4, the first flow dividing portion 4 includes a housing 41, a main intake duct insertion hole 42 penetrating the housing 41 is provided above the housing 41, the shape and size of the main intake duct insertion hole 42 are matched with the shape and size of the cross section of the joint of the main intake duct 1, and bayonets 44 for fixedly connecting with the main intake duct 1 are provided on the positions of the housing 41 on the left and right sides of the main intake duct insertion hole 42. The connection port of the main air inlet pipe 1 is connected with the main air inlet pipe insertion hole 42 through the installation of a corresponding buckle and the matching with the bayonet 44.
An accommodating cavity 43 is arranged below the housing 41, and the accommodating cavity 43 is not connected with and communicated with the main air inlet pipeline plug hole 42. The bottom that holds chamber 43 runs through to be equipped with be used for with cooling pipeline 2 interconnect be vertical direction set for connect gas channel 45, connect gas channel 45 to be hollow cylinder pipeline structure, the shape of its cross-section, the shape of size and cooling pipeline 2, the size phase-match, and connect to be equipped with on the corresponding casing 41 position in the outside of gas channel 45's connector to be used for realizing fixed connection's buckle 46 with cooling pipeline 2, the bayonet socket is corresponded through the installation in cooling pipeline 2's connector department, through the cooperation with buckle 46 realize with connect gas channel 45 be connected.
In the present embodiment, the air inlet setting direction of the main air inlet duct insertion hole 42 is preferably the horizontal direction, and the air inlet direction of the air receiving duct 45 is preferably the vertical up-down direction.
As shown in fig. 2 and 5, the air filter 3 includes an upper air filter housing 8, an air filter element 7, and a lower air filter housing 5, which are sequentially disposed from top to bottom.
The bottom of the lower air filter housing 5 is provided with an air inlet 51, the air inlet 51 is clamped with the housing 41, and the size and the shape of the air inlet 51 are matched with those of the housing 41. The second flow dividing part 6 is arranged in the air filter lower shell 5, specifically, as shown in fig. 6 and 7, the second flow dividing part 6 is a protective plate structure provided with an arc surface 61, the upper part of the structure is the arc surface 61, the bottom of the structure is provided with a connecting plate 62 horizontally extending for welding with the inside of the air filter lower shell 5, two sides of the arc surface 61 are welded with the air filter lower shell 5, and the arc surface 61, the edge of the air filter lower shell 5 and the accommodating cavity 43 form an independent space for maintaining independent air supply of the gas entering from the cooling pipeline 2 again.
The height of the second flow-dividing portion 6 is the same as the height of the lower case 5 of the air cleaner. Empty filter core 7 is placed under empty filter on casing 5, and casing 8 relies on the screw to be connected with empty filter casing 5 down on the empty filter to compress tightly empty filter core 7, realize empty filter core 7's connecting hole and the interference fit of second reposition of redundant personnel portion 6, the two realizes zero distance cooperation.
Due to the design of the first flow dividing part 4 and the second flow dividing part 6, first, the gas in the main intake duct 1 and the gas in the cooling line 2 are separated by the first flow dividing part 4 and enter the air filter lower case 5. The interior of the lower shell 5 of the air filter is also divided into two independent channels by the second flow dividing part 6, the second flow dividing part 6 is communicated to the position of the air filter element 7, two air flows upwards almost in parallel after being filtered by the air filter element 7, and finally the two air flows out at the air outlet of the upper shell 8 of the air filter.
The invention arranges the junction of the air inlet pipe (main air inlet pipeline) of the air filter and the cooling pipeline of the automobile ECU at the air inlet of the air filter. Through establishing two independent passageways, the parallel empty filter core that passes through of air current of main inlet duct and cooling line's air current, then converge at empty filter gas outlet, can effectually avoid the turbulent flow to solve the turbulent flow problem that high-speed air current meets and produces, and when can guarantee the air current homogeneity, reduce air resistance and air inlet noise.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. The air inlet shunting device of the vehicle engine is characterized by comprising an air filter (3), a main air inlet pipeline (1) of the air filter (3), a cooling pipeline (2), a first shunting part (4) and a second shunting part (6), wherein one end of the cooling pipeline (2) is connected with an automobile ECU (electronic control Unit), the first shunting part (4) is respectively spliced with the main air inlet pipeline (1) and the cooling pipeline (2) and is clamped with the air filter (3), and the second shunting part (6) is arranged in the air filter (3);
the first flow dividing part (4) comprises a shell (41) clamped with an air inlet (51), a main air inlet pipeline insertion hole (42) which is arranged in a penetrating mode and used for being connected with a main air inlet pipeline (1) is formed in the upper portion of the shell (41), an accommodating cavity (43) which is separated from the main air inlet pipeline insertion hole (42) is formed in the lower portion of the shell (41), an air receiving channel (45) which is used for being connected with a cooling pipeline (2) is formed in the bottom of the accommodating cavity (43) in a penetrating mode, the air inlet setting direction of the main air inlet pipeline insertion hole (42) is the horizontal direction, and the air inlet setting direction of the air receiving channel (45) is the vertical direction;
the air filter (3) comprises an upper air filter shell (8), a lower air filter shell (5) and an air filter element (7) arranged between the upper air filter shell and the lower air filter shell, an air inlet (51) is formed in the bottom of the lower air filter shell (5), the first shunting part (4) is clamped with the air inlet (51), and the second shunting part (6) is arranged in the lower air filter shell (5);
the gas in main inlet line (1) and the gas in cooling line (2) can be separated by first reposition of redundant personnel portion (4), get into casing (5) under the empty filter in, two independent passageways are separated into by second reposition of redundant personnel portion (6) in casing (5) under the empty filter equally, second reposition of redundant personnel portion (6) lead to empty filter core (7) department, two strands of gas after empty filter core (7) filter are the nearly parallel upward outflow, finally on empty filter casing (8) gas outlet department intersection and flow.
2. The vehicle engine intake air flow distribution device according to claim 1, wherein the second flow distribution portion (6) is interference-fitted with the air filter element (7).
3. The vehicle engine intake air flow distribution device according to claim 2, wherein the second flow distribution portion (6) is a guard plate structure provided with an arc surface (61), the arc surface (61) is arranged above the guard plate structure, the bottom of the guard plate structure is provided with a horizontally extending connecting plate (62) for welding with the inside of the air filter lower case (5), two sides of the arc surface (61) are welded with the air filter lower case (5), and the arc surface (61) and the accommodating cavity (43) at the edge of the air filter lower case (5) enclose an independent space for keeping independent air supply of the air entering from the cooling pipeline (2).
4. The vehicle engine intake air branching device according to claim 2, characterized in that the height of the second branching portion (6) is the same as the height of the air filter lower case (5).
5. The engine intake air flow distribution device for a vehicle according to claim 1, wherein the air filter upper case (8) is connected to the air filter lower case (5) by screws.
6. The intake manifold for the vehicle engine according to claim 1, wherein the shape and size of the main intake duct insertion hole (42) are matched with the shape and size of the cross section of the joint of the main intake duct (1), and bayonets (44) for stably connecting with the main intake duct (1) are provided on the corresponding housings (41) on the left and right sides of the main intake duct insertion hole (42).
7. The vehicle engine intake air flow dividing device according to claim 1, wherein the air receiving duct (45) is a hollow cylindrical pipe structure, the shape and size of the cross section of the air receiving duct (45) are matched with those of the cooling pipeline (2), and a buckle (46) for realizing stable connection with the cooling pipeline (2) is arranged on a corresponding shell (41) outside a connecting port of the air receiving duct (45).
CN202111182659.XA 2021-10-11 2021-10-11 Air inlet flow dividing device of vehicle engine Active CN113818976B (en)

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Application Number Priority Date Filing Date Title
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CN113818976B true CN113818976B (en) 2022-12-09

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2343163A (en) * 1998-10-28 2000-05-03 Rover Group Combined air filter and electronic control unit (ECU) housing providing cooling for the ECU
CN201170145Y (en) * 2008-02-02 2008-12-24 四川正升能源技术服务有限公司 Engine noise reduction empty filter
US9062639B1 (en) * 2014-04-16 2015-06-23 GM Global Technology Operations LLC Dual inlet air induction system with panel filter for vehicle engine
CN206206033U (en) * 2016-11-18 2017-05-31 广州汽车集团股份有限公司 Air cleaner assy
CN206753770U (en) * 2017-03-24 2017-12-15 北京汽车研究总院有限公司 The air feeder structure and automobile of a kind of automobile exhaust system
CN207393351U (en) * 2017-07-19 2018-05-22 北京汽车股份有限公司 Air filter assembly and vehicle
CN108716442A (en) * 2017-04-12 2018-10-30 通用汽车环球科技运作有限责任公司 The gas handling system of passive management hood and the feeding of pressurising room with the pollutant characteristics of management in parallel
CN109578184A (en) * 2018-09-05 2019-04-05 广东恒勃滤清器有限公司 A kind of air cleaner for motorcycle
CN112228258A (en) * 2019-07-15 2021-01-15 福特全球技术公司 Air intake system for engine
CN212898740U (en) * 2020-08-12 2021-04-06 重庆长安汽车股份有限公司 Air filter air inlet pipe and radiator arrangement structure

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2343163A (en) * 1998-10-28 2000-05-03 Rover Group Combined air filter and electronic control unit (ECU) housing providing cooling for the ECU
CN201170145Y (en) * 2008-02-02 2008-12-24 四川正升能源技术服务有限公司 Engine noise reduction empty filter
US9062639B1 (en) * 2014-04-16 2015-06-23 GM Global Technology Operations LLC Dual inlet air induction system with panel filter for vehicle engine
CN206206033U (en) * 2016-11-18 2017-05-31 广州汽车集团股份有限公司 Air cleaner assy
CN206753770U (en) * 2017-03-24 2017-12-15 北京汽车研究总院有限公司 The air feeder structure and automobile of a kind of automobile exhaust system
CN108716442A (en) * 2017-04-12 2018-10-30 通用汽车环球科技运作有限责任公司 The gas handling system of passive management hood and the feeding of pressurising room with the pollutant characteristics of management in parallel
CN207393351U (en) * 2017-07-19 2018-05-22 北京汽车股份有限公司 Air filter assembly and vehicle
CN109578184A (en) * 2018-09-05 2019-04-05 广东恒勃滤清器有限公司 A kind of air cleaner for motorcycle
CN112228258A (en) * 2019-07-15 2021-01-15 福特全球技术公司 Air intake system for engine
CN212898740U (en) * 2020-08-12 2021-04-06 重庆长安汽车股份有限公司 Air filter air inlet pipe and radiator arrangement structure

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Effective date of registration: 20240506

Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District

Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd.

Country or region after: China

Patentee after: Zhejiang liankong Technology Co.,Ltd.

Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District

Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd.

Country or region before: China

Patentee before: GEELY AUTOMOBILE RESEARCH INSTITUTE (NINGBO) Co.,Ltd.