KR20060064362A - Structure of combining solenoid of variable induction system - Google Patents

Structure of combining solenoid of variable induction system Download PDF

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Publication number
KR20060064362A
KR20060064362A KR1020040103183A KR20040103183A KR20060064362A KR 20060064362 A KR20060064362 A KR 20060064362A KR 1020040103183 A KR1020040103183 A KR 1020040103183A KR 20040103183 A KR20040103183 A KR 20040103183A KR 20060064362 A KR20060064362 A KR 20060064362A
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South Korea
Prior art keywords
solenoid
bracket
engine
variable intake
fastening
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KR1020040103183A
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Korean (ko)
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KR100655707B1 (en
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이지웅
신창현
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현대자동차주식회사
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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
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/02—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means
    • F02B27/0226—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues the systems having variable, i.e. adjustable, cross-sectional areas, chambers of variable volume, or like variable means characterised by the means generating the charging effect
    • F02B27/0268—Valves
    • 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
    • F02M35/10255—Arrangements of valves; Multi-way valves
    • 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
    • F02M35/1034—Manufacturing and assembling intake systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • 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)
  • Manufacturing & Machinery (AREA)
  • Connection Of Plates (AREA)

Abstract

가변흡기장치의 솔레노이드 체결구조가 개시된다. 개시된 가변흡기장치의 솔레노이드 체결구조는, 엔진의 일측에 브라켓이 이용되며 설치되어 상기 엔진의 회전 및 부하 상태에 따라서 공기 흡입 통로를 조절하여 상기 엔진의 전 운전 영역에서 엔진 출력을 향상키는 가변흡기장치의 솔레노이드에 있어서, 상기 브라켓은, 상기 엔진의 서지탱크와 상기 브라켓을 체결하기 위해 볼트가 체결되는 체결부와, 상기 체결부의 양단부에서 연장되며 형성되어 상기 브라켓의 구조가 보강되도록 한 보강부를 구비하고, 상기 체결부는 상기 체결부의 양단부에서 상기 볼트가 체결되는 중앙을 향하여 일정 각도로 밴딩되며 밴딩각이 형성된 것을 그 특징으로 한다. Disclosed is a solenoid fastening structure of a variable intake device. The solenoid fastening structure of the disclosed variable intake device uses a bracket on one side of the engine and adjusts the air intake passage according to the rotation and load state of the engine to improve the engine output in the entire operating region of the engine. In the solenoid of the device, the bracket includes a fastening portion to which the bolt is fastened to fasten the surge tank of the engine and the bracket, and a reinforcement portion extending from both ends of the fastening portion to reinforce the structure of the bracket. The fastening part may be bent at a predetermined angle toward the center where the bolt is fastened at both ends of the fastening part, and a bending angle may be formed.

본 발명에 따르면, 가변흡기장치의 솔레노이드와 브라켓의 접촉면의 구조를 변경함으로써 가변흡기장치의 솔레노이드 진동을 감소시킬 수 있어 내구성을 향상시킬 수 있는 이점이 있다.According to the present invention, by changing the structure of the contact surface of the solenoid and the bracket of the variable intake apparatus can reduce the solenoid vibration of the variable intake apparatus has the advantage that can improve the durability.

가변흡기장치의 솔레노이드, 서지탱크, 브라켓Solenoid, Surge Tank, Bracket of Variable Intake System

Description

가변흡기장치의 솔레노이드 체결구조{STRUCTURE OF COMBINING SOLENOID OF VARIABLE INDUCTION SYSTEM}Solenoid fastening structure of variable intake device {STRUCTURE OF COMBINING SOLENOID OF VARIABLE INDUCTION SYSTEM}

도 1은 일반적인 엔진을 나타내 보인 도면.1 shows a typical engine.

도 2는 도 2의 A를 보다 상세하게 나타내 보인 도면으로 종래의 기술에 따른 가변흡기장치의 솔레노이드 체결구조의 구성을 개략적으로 나타내 보인 도면.FIG. 2 is a view illustrating A of FIG. 2 in more detail, which schematically illustrates a configuration of a solenoid fastening structure of a variable intake apparatus according to the related art.

도 3도 2의 브라켓의 구조를 보다 상세하게 나타내 보인 도면.Figure 3 shows the structure of the bracket of Figure 2 in more detail.

도 4는 종래의 문제점을 설명하기 위해 나타내 보인 도면.4 is a view showing for explaining a conventional problem.

도 5는 본 발명에 따른 가변흡기장치의 솔레노이드 체결구조의 구성을 개략적으로 나타내 보인 도면.5 is a view schematically showing the configuration of the solenoid fastening structure of the variable intake apparatus according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

20. 브라켓20. Bracket

21. 체결부21. Fasteners

22. 보강부22. Reinforcement

30. 보강부재30. Reinforcement member

40. 볼트40. Bolt

본 발명은 가변흡기장치의 솔레노이드 체결구조에 관한 것으로서, 보다 상세하게는 가변흡기장치의 솔레노이드의 흔들림을 방지하기 위한 가변흡기장치의 솔레노이드 체결구조에 관한 것이다.The present invention relates to a solenoid fastening structure of a variable intake device, and more particularly, to a solenoid fastening structure of a variable intake device for preventing shaking of the solenoid of the variable intake device.

가변 흡기장치(VIS; Variable Induction System)는, 엔진의 회전영역에 따라 공기의 흡입저항이 달라지며 이는 엔진성능에 직접적인 영향을 미친다. 일반적으로 저속에서는 흡기관 내의 흡기 유속을 빠르게 하기 위하여 흡기관의 직경은 작고 길이는 길게 하는 것이 유리하다. 그리고 고속에서는 흡기저항을 줄이기 위해 가능한 흡기관의 직경을 크게, 길이는 짧게 하는 것이 유리하다.In the variable induction system (VIS), the suction resistance of air varies according to the rotational area of the engine, which directly affects engine performance. In general, at low speeds, it is advantageous to make the diameter of the intake pipe small and long in order to speed up the intake air flow rate in the intake pipe. At high speeds, it is advantageous to make the diameter of the intake pipe as large and short as possible to reduce the intake resistance.

따라서 각 회전영역에서 최대의 효율을 낼 수 있도록 흡기 다기관의 길이나 단면적을 저속과 고속에 각각 유리한 치수로 변경시키는 방법으로 가변흡기장치가 적용되고 있다.Therefore, the variable intake apparatus has been applied to change the length or cross-sectional area of the intake manifold to a size that is advantageous for low speed and high speed so as to achieve maximum efficiency in each rotation region.

상기와 같은 가변흡기장치는 도 1의 'A'의 원 내에 나타내 보인 가변흡기장치의 솔레노이드는, 엔진(10)의 일측에 설치되어 엔진(10)의 회전 및 부하 상태에 따라서 공기 흡입 통로를 조절하여 엔진(10)의 전 운전 영역에서 엔진 출력을 향상시키는 장치로 이용된다.The above described variable intake device is a solenoid of the variable intake device shown in the circle of 'A' of Figure 1, is installed on one side of the engine 10 to adjust the air intake passage in accordance with the rotation and load state of the engine 10 It is used as a device for improving the engine output in the entire operating region of the engine 10.

그리고 도 2에 도시된 바와 같이, 이 가변흡기장치의 솔레노이드(11)의 브라켓(12)과의 장착면이 평형성을 잃어 흔들림으로써 서지탱크(SURGE TANK)(13)로부터의 진동을 가변흡기장치의 솔레노이드(11) 단품으로 배가시켜 사양(SPEC.)을 초과하는 현상을 발생시킨다.As shown in FIG. 2, the mounting surface of the variable intake apparatus with the bracket 12 of the solenoid 11 loses the balance and shakes the vibration from the surge tank 13 to the vibration intake of the variable intake apparatus. The solenoid 11 is doubled to produce a phenomenon that exceeds the specifications.

이와 같이 평형성을 잃음으로써 흔들림이 발생하여 상기 서지탱크(13)로부터의 진동이 배가된다.As a result of the loss of equilibrium, vibrations occur and the vibration from the surge tank 13 is doubled.

이와 같은 원인을 설명하면, 도 3 및 도 4에 도시된 바와 같이, 상기 가변흡기장치의 솔레노이드(11) 단품 상에 브라켓(12)과 서지탱크(13) 체결을 위한 볼트(Bolt)(14)를 용접하는 과정에서 솔레노이드(11)와 브라켓(12) 장착면이 변형되어 평형성 잃게 된다.3 and 4, bolts 14 for fastening the bracket 12 and the surge tank 13 on the solenoid 11 unit of the variable intake apparatus are illustrated. In the process of welding the solenoid 11 and the bracket 12 mounting surface is deformed to lose balance.

한편, 도 4의 참조부호 12a는 서지탱크(13) 체결용 볼트(14)의 용접 퇴적물을 나타내 보인 것이고, 도 4의 화살표는 상기 용접 퇴적물(12a)로 인해 좌우 흔들림 발생을 나타내 보인 것이다.On the other hand, reference numeral 12a of FIG. 4 shows the weld deposits of the bolt 14 for fastening the surge tank 13, the arrow of FIG. 4 shows the left and right shake caused by the weld deposits (12a).

상기와 같은 문제점을 해결하기 위해 볼트(14)의 부착 방법을 다음과 같이 개선하였다.In order to solve the above problems, the attachment method of the bolt 14 was improved as follows.

우선, 상기 볼트(14)와 브라켓(12)을 전면 용접하였다. 이러한 방법은 접촉성 내구 및 강도는 좋으나, 브라켓(12)의 면 평형성을 흐트러트려 흔들림을 발생시킨다. 즉, 진동이 배가된다. First, the bolt 14 and the bracket 12 were welded to the front. This method has good contact durability and strength, but disturbs the surface flatness of the bracket 12 to cause shaking. That is, the vibration is doubled.

그리고 다른 방법으로, 3점 코킹(caulking)을 실시하였다. 상기한 바와 같이 전면 용접을 함으로써 생긴 흔들림 현상을 방지키 위해 3점 코킹을 하였으나, 흔들림 현상은 개선되지 않았으며, 전면 용접시보다 접촉점 강도 저하되어 내구성 문제가 발생하였다.And another way, 3-point caulking was performed. As mentioned above, the three-point caulking was performed to prevent the shaking phenomenon caused by the front welding. However, the shaking phenomenon was not improved, and the durability of the contact point was lowered due to the lower contact point strength than the front welding.

본 발명은 상기와 같은 문제점을 해결하기 위하여 창출된 것으로서, 가변흡 기장치의 솔레노이드와 브라켓의 접촉면의 구조를 변경하여 가변흡기장치의 솔레노이드 진동을 감소되도록 함으로써 내구성이 향상되도록 한 가변흡기장치의 솔레노이드 체결구조를 제공하는데 그 목적이 있다.The present invention was created to solve the above problems, by changing the structure of the contact surface of the solenoid and the bracket of the variable intake device so as to reduce the vibration of the solenoid of the variable intake device so that the durability is improved solenoid of the variable intake device The purpose is to provide a fastening structure.

상기와 같은 목적을 달성하기 위한 본 발명의 가변흡기장치의 솔레노이드 체결구조는, 엔진의 일측에 브라켓이 이용되며 설치되어 상기 엔진의 회전 및 부하 상태에 따라서 공기 흡입 통로를 조절하여 상기 엔진의 전 운전 영역에서 엔진 출력을 향상키는 가변흡기장치의 솔레노이드에 있어서, 상기 브라켓은, 상기 엔진의 서지탱크와 상기 브라켓을 체결하기 위해 볼트가 체결되는 체결부와, 상기 체결부의 양단부에서 연장되며 형성되어 상기 브라켓의 구조가 보강되도록 한 보강부를 구비하고, 상기 체결부는 상기 체결부의 양단부에서 상기 볼트가 체결되는 중앙을 향하여 일정 각도로 밴딩되며 밴딩각이 형성된 것을 그 특징으로 한다.Solenoid fastening structure of the variable intake apparatus of the present invention for achieving the above object, the bracket is used on one side of the engine is installed to adjust the air intake passage in accordance with the rotation and load state of the engine to run the entire engine In the solenoid of the variable intake apparatus to improve the engine output in the region, the bracket, the fastening portion to which the bolt is fastened to fasten the surge tank and the bracket of the engine, and is formed extending from both ends of the fastening portion The bracket has a reinforcing part for reinforcing the structure, and the fastening part is bent at a predetermined angle toward the center where the bolt is fastened at both ends of the fastening part, and a bending angle is formed.

이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 5에는 본 발명에 따른 가변흡기장치의 솔레노이드 체결구조의 구성을 개략적으로 나타낸 구성도가 도시되어 있다.Figure 5 is a schematic diagram showing the configuration of the solenoid fastening structure of the variable intake apparatus according to the present invention.

본 발명에 따른 가변흡기장치의 솔레노이드 체결구조는, 엔진의 일측에 도 5와 같은 브라켓(20)이 이용되며 설치되어 엔진의 회전 및 부하 상태에 따라서 공기 흡입 통로를 조절하여 엔진의 전 운전 영역에서 엔진 출력을 향상키는 가변흡기장치의 솔레노이드를 체결하여 이 솔레노이드의 진동 치수를 감소시키기 위한 것이 다.Solenoid fastening structure of the variable intake apparatus according to the present invention, the bracket 20 as shown in Figure 5 is used on one side of the engine is installed in the entire operating region of the engine by adjusting the air intake passage in accordance with the rotation and load state of the engine The solenoid of the variable intake system that improves the engine power is tightened to reduce the vibration dimension of the solenoid.

이를 보다 구체적으로 설명한다.This will be described in more detail.

상기 브라켓(20)은, 엔진의 서지탱크와 브라켓(20)을 체결하기 위해 볼트(40)가 체결되는 체결부(21)와, 이 체결부(21)의 양단부에서 연장되며 형성되어 브라켓(20)의 구조가 보강되도록 한 보강부(22)를 구비하고, 이때 상기 체결부(21)는 체결부(21)의 양단부에서 볼트(40)의 몸체부(41)가 상방으로 향한 상태에서 볼트(40)의 헤드(42)가 밀착되며 체결되는 중앙을 향하여 일정 각도로 밴딩되며 밴딩각(θ)이 형성된다.The bracket 20 is a fastening portion 21 to which the bolt 40 is fastened to fasten the surge tank and the bracket 20 of the engine, and extends from both ends of the fastening portion 21 to form the bracket 20. Reinforcing part 22 is provided so that the structure of the reinforcement, wherein the fastening portion 21 is a bolt (with the body portion 41 of the bolt 40 facing upwards at both ends of the fastening portion 21) The head 42 of the 40 is in close contact and is bent at a predetermined angle toward the center to be fastened, and a bending angle θ is formed.

상기 밴딩각(θ)은 10∼15도로 형성된다.The bending angle θ is formed between 10 and 15 degrees.

그리고 상기 체결부(21)의 상면 양단에는 브라켓(20)을 보강하기 위한 보강부재(30)가 설치되는데, 이 보강부재(30)는 용접되며 설치된다.And both ends of the fastening portion 21 is provided with a reinforcing member 30 for reinforcing the bracket 20, the reinforcing member 30 is welded and installed.

상기한 바와 같은 구성을 갖는 본 발명에 따른 가변흡기장치의 솔레노이드 체결구조의 작용을 설명하면 다음과 같다.Referring to the operation of the solenoid fastening structure of the variable intake device according to the present invention having the configuration as described above are as follows.

도 2 및 도 3을 참조하여 전술한 바와 같이 종래에는 가변흡기장치의 솔레노이드(11)의 브라켓(12)과의 장착면은 최초에 평형하게 설계되어 볼트(14) 용접시 조금이라도 변형될 경우 평형성을 잃어 흔들리게 되었다.As described above with reference to FIGS. 2 and 3, in the related art, the mounting surface of the solenoid 11 of the variable intake apparatus with the bracket 12 is initially designed to be equilibrated so that even when the bolt 14 is deformed even a little, the balance may be balanced. Lost and shaken.

그러나, 도 5에 도시된 바와 같은 본 발명에 따른 가변흡기장치의 솔레노이드 체결구조는, 가변흡기장치의 솔레노이드 설계시 브라켓(20)의 양단을 안쪽으로 밴딩각(θ)을 주어 볼트(40) 용접시 변형에 대비하여 안착성을 개선하여 진동을 줄인다.However, the solenoid fastening structure of the variable intake device according to the present invention as shown in Figure 5, when the solenoid design of the variable intake device, the two ends of the bracket 20 to give the bending angle (θ) inward to weld the bolt 40 Reduce vibration by improving seating in preparation for deformation.

구체적으로는, 상기 브라켓(20)의 체결부(21) 양단을 안쪽으로 밴딩각(θ)을 10∼15도를 줌으로써 양단이 브라켓(20)을 지지하여 전면 용접시에도 흔들림 현상 전혀 없으며, 강도 및 내구성 역시 향상시키게 된다.Specifically, by providing a bending angle θ of 10 to 15 degrees to both ends of the fastening portion 21 of the bracket 20, both ends support the bracket 20, and there is no shaking phenomenon even when welding the front surface, and strength And durability is also improved.

그리고 도 5의 원 'B'에 도시된 바와 같이, 상기 보강부재(30)와 체결부(21)의 가장자리(Edge)가 맞닿음으로써 가변흡기장치의 솔레노이드의 흔들림이 방지된다.And as shown in the circle 'B' of Figure 5, the edge of the reinforcing member 30 and the fastening portion 21 abuts to prevent shaking of the solenoid of the variable intake device.

상술한 바와 같이 본 발명에 따른 가변흡기장치의 솔레노이드 체결구조는 다음과 같은 효과를 갖는다.As described above, the solenoid fastening structure of the variable intake apparatus according to the present invention has the following effects.

가변흡기장치의 솔레노이드와 브라켓의 접촉면의 구조를 변경함으로써 가변흡기장치의 솔레노이드 진동을 감소시킬 수 있어 내구성을 향상시킬 수 있다.By changing the structure of the contact surface between the solenoid and the bracket of the variable intake device, the vibration of the solenoid of the variable intake device can be reduced, thereby improving durability.

본 발명은 도면에 도시된 일 실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 당해 기술 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 보호 범위는 첨부된 특허청구범위에 의해서만 정해져야 할 것이다.Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (4)

엔진의 일측에 브라켓이 이용되며 설치되어 상기 엔진의 회전 및 부하 상태에 따라서 공기 흡입 통로를 조절하여 상기 엔진의 전 운전 영역에서 엔진 출력을 향상키는 가변흡기장치의 솔레노이드에 있어서,In the solenoid of the variable intake device is used to install the bracket on one side of the engine to improve the engine output in the entire operating region of the engine by adjusting the air intake passage in accordance with the rotation and load of the engine, 상기 브라켓은, 상기 엔진의 서지탱크와 상기 브라켓을 체결하기 위해 볼트가 체결되는 체결부와, 상기 체결부의 양단부에서 연장되며 형성되어 상기 브라켓의 구조가 보강되도록 한 보강부를 구비하고,The bracket includes a fastening part to which bolts are fastened to fasten the surge tank of the engine and the bracket, and a reinforcement part extending from both ends of the fastening part to reinforce the structure of the bracket, 상기 체결부는 상기 체결부의 양단부에서 상기 볼트가 체결되는 중앙을 향하여 일정 각도로 밴딩되며 밴딩각이 형성된 것을 특징으로 하는 가변흡기장치의 솔레노이드 체결구조.The fastening part is a solenoid fastening structure of the variable intake device, characterized in that the bending at a predetermined angle toward the center of the bolt is fastened at both ends of the fastening portion is formed. 제1항에 있어서,The method of claim 1, 상기 밴딩각은 10∼15도로 된 것을 특징으로 하는 가변흡기장치의 솔레노이드 체결구조.The bending angle of the solenoid fastening structure of the variable intake device, characterized in that the 10 to 15 degrees. 제1항에 있어서,The method of claim 1, 상기 체결부의 상면 양단에는 상기 브라켓을 보강하기 위한 보강부재가 설치된 것을 특징으로 하는 가변흡기장치의 솔레노이드 체결구조.Solenoid fastening structure of a variable intake device, characterized in that the reinforcing member for reinforcing the bracket is installed on both ends of the upper surface of the fastening portion. 제3항에 있어서,The method of claim 3, 상기 보강부재는 용접되며 설치된 것을 특징으로 하는 가변흡기장치의 솔레노이드 체결구조.The reinforcing member is welded solenoid structure of the variable intake device, characterized in that installed.
KR1020040103183A 2004-12-08 2004-12-08 Structure of combining solenoid of variable induction system KR100655707B1 (en)

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