KR100680372B1 - Variable intake device - Google Patents

Variable intake device Download PDF

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Publication number
KR100680372B1
KR100680372B1 KR1020050109100A KR20050109100A KR100680372B1 KR 100680372 B1 KR100680372 B1 KR 100680372B1 KR 1020050109100 A KR1020050109100 A KR 1020050109100A KR 20050109100 A KR20050109100 A KR 20050109100A KR 100680372 B1 KR100680372 B1 KR 100680372B1
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South Korea
Prior art keywords
engine
air
valve
suction hose
inlet
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KR1020050109100A
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Korean (ko)
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이재호
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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
    • 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
    • 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)
  • Characterised By The Charging Evacuation (AREA)

Abstract

A variable intake device is provided to improve engine output by varying the air flow path into the engine in accordance with the operating speed of the engine and the travel speed of a vehicle. A variable intake device comprises a bypass channel(3), a first valve(4), a second valve(5), and an engine control unit. The bypass channel is formed at an air intake hose(2) for guiding air to an air cleaner(1), and has an inlet and an outlet communicated to the air intake hose. The first valve has a smaller diameter than the inlet and the air intake hose, and opens/closes a part of the inlet. The second valve has a diameter equal to or larger than those of the outlet and the air intake hose, and selectively opens/closes the air intake hose and the outlet. The engine control unit controls the valves in accordance with the operating speed and load of an engine.

Description

가변흡기장치{Variable intake device}Variable intake device

도 1은 본 발명에 따른 가변흡기장치의 구성도,1 is a block diagram of a variable intake apparatus according to the present invention,

도 2는 본 발명에 따른 가변흡기장치의 엔진의 고속 운전시의 작동 상태도,2 is an operating state diagram at the high speed of the engine of the variable intake apparatus according to the present invention;

도 3은 본 발명에 따른 가변흡기장치의 엔진의 중. 저속 운전시의 작동 상태도이다.Figure 3 of the engine of the variable intake apparatus according to the present invention. This is an operation state diagram at low speed operation.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

1-에어크리너 2-공기흡입호스1-Air Cleaner 2-Air Suction Hose

3-바이패스통로 4-제1밸브3-bypass passage 4-first valve

5-제2밸브5-second valve

본 발명은 자동차의 가변흡기장치에 관한 것으로, 특히 엔진의 흡기 호스에 설치되어 엔진의 전체 운전 영역에서 흡입되는 공기량을 적절히 제어해서 엔진의 출력을 향상시킬 수 있도록 된 가변흡기장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a variable intake apparatus of a motor vehicle, and more particularly, to a variable intake apparatus installed in an intake hose of an engine so as to appropriately control the amount of air sucked in the entire operating region of the engine to improve the output of the engine.

종래 자동차의 흡기장치는 엔진의 고속 운전시뿐만 아니라 중속 혹은 저속 운전시 엔진으로 흡입되는 흡입 공기에 의한 소음을 줄여주기 위해 엔진의 공기 흡 입 루트에 다수개의 공명기를 설치함에 따라 원가 상승을 유발하고, 또한 상기 공명기가 엔진룸의 많은 공간을 차지하여 엔진룸의 설계시에 제약이 따른다고 하는 어려움이 있었다.The conventional intake device of a vehicle causes a cost increase by installing a plurality of resonators in the air intake route of the engine in order to reduce noise caused by the intake air sucked into the engine not only at high speed but also at medium speed or low speed. In addition, the resonator occupies a large amount of space in the engine room, and there is a difficulty in that the design of the engine room is restricted.

그리고, 엔진의 운전 영역에 따라 엔진으로 유입되는 흡입 공기량을 조절해서 엔진의 출력 향상을 도모하는 가변흡기장치가 사용되고 있는 데, 이러한 가변흡기장치는 엔진의 회전수와 엔진의 부하에 따라 흡기 매니폴더의 길이를 변화시켜 엔진의 전체 운전 영역에서 엔진으로의 흡입 공기량을 조절해서 엔진의 출력을 향상시키게 되어 있다.In addition, a variable intake apparatus is used to adjust the amount of intake air flowing into the engine according to the driving region of the engine to improve the output of the engine. The variable intake apparatus is an intake manifold according to the engine speed and the load of the engine. By varying the length of the engine, the output of the engine is improved by adjusting the amount of intake air to the engine in the entire operating region of the engine.

그런데, 상기와 같은 종래의 가변흡기장치는 흡기 매니폴더에 설치됨에 따라 제작단가가 비싸고, 구성이 복잡하다고 하는 결점이 있었다.However, the conventional variable intake apparatus as described above has a drawback that the manufacturing cost is high and the configuration is complicated as it is installed in the intake manifold.

이에 본 발명은 상기와 같은 사정을 감안하여 안출된 것으로, 엔진의 흡기 호스에 간단한 구조로 설치되어 엔진의 전체 운전 영역에 따라서 호스를 통한 엔진으로의 공기 흡입량을 적절히 조절해서 엔진의 출력 향상을 도모할 수 있을 뿐만 아니라 구조도 간단하여 저렴하게 구성시킬 수 있는 가변흡기장치를 제공함에 그 목적이 있다.Accordingly, the present invention has been devised in view of the above circumstances, and is provided with a simple structure in the intake hose of the engine to improve the output of the engine by appropriately adjusting the air intake to the engine through the hose according to the entire operating area of the engine. In addition, the purpose is to provide a variable intake apparatus that can be configured inexpensively as well as a simple structure.

상기와 같은 목적을 달성하기 위한 본 발명은, 에어크리너로 공기를 유도하는 공기흡입호스에 공기유동경로를 증대시키면서 상기 공기흡입호스와 각각 연통되는 입구부와 출구부를 구비한 바이패스통로와, 상기 입구부와 상기 공기흡입호스의 직경보다 작은 직경을 가지면서 상기 입구부의 일부를 개폐하는 제1밸브, 상기 출구부 및 상기 공기흡입호스의 직경과 동일하거나 큰 직경을 가지면서 상기 공기흡입호스와 상기 출구부를 선택적으로 개폐하는 제2밸브 및, 엔진의 운전속도와 부하에 따라 상기 밸브를 제어하는 엔진제어유니트를 구비하고 있다.In order to achieve the above object, the present invention provides a bypass passage having an inlet and an outlet that communicate with the air suction hose, respectively, while increasing an air flow path in the air suction hose for inducing air to the air cleaner; The air suction hose and the first valve having a diameter smaller than the diameter of the inlet and the air suction hose, the first valve for opening and closing a part of the inlet, the diameter of the outlet and the air suction hose And a second valve for selectively opening and closing the outlet, and an engine control unit for controlling the valve according to the operating speed and load of the engine.

바람직하기로는, 상기 엔진이 고속 및 고부하 운전시에는 상기 제1밸브가 상기 공기흡입호스를 완전히 개방시키면서 상기 입구부의 일부를 막고, 상기 제2밸브는 상기 공기흡입호스를 완전히 개방시키면서 상기 출구부를 완전히 막도록 상기 엔진제어유니트에 의해 제어되는 것을 특징으로 한다.Preferably, when the engine is running at high speed and high load, the first valve completely closes the inlet part while opening the air intake hose, and the second valve completely opens the outlet part while completely opening the air intake hose. It is characterized by being controlled by the engine control unit to prevent.

그리고, 상기 엔진이 저속 및 저부하 운전시에는 상기 제1밸브가 상기 입구부를 완전히 개방시키면서 상기 공기흡입호스의 일부를 막고, 상기 제2밸브는 상기 출구부를 완전히 개방시키면서 상기 공기흡입호스를 완전히 막도록 상기 엔진제어유니트에 의해 제어되는 것을 특징으로 한다.When the engine is operated at a low speed and low load, the first valve completely closes the air intake hose while opening the inlet, and the second valve completely closes the air intake hose while completely opening the outlet. It is characterized by being controlled by the engine control unit.

이하 본 발명의 실시예를 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1에는 본 발명에 따른 가변흡기장치의 구성이 단면으로 도시되어 있는 데, 즉 엔진으로 흡입되는 공기를 정화시키는 에어크리너(1)에는 공기흡입호스(2)가 연결되어 있고, 상기 공기흡입호스(2)에는 대체로 ㄷ자 형상을 한 바이패스통로(3)가 형성되어 있다.1 is a cross-sectional view of a configuration of a variable intake apparatus according to the present invention, that is, an air suction hose 2 is connected to an air cleaner 1 for purifying the air sucked into the engine, and the air suction hose In (2), a bypass passage 3 having a substantially U shape is formed.

상기 바이패스통로(3)의 입구부의 면적을 조절하는 제1밸브(4)와, 상기 바이패스통로(3)의 출구부 및 상기 공기흡입호스를 개폐시키는 제2밸브(5)가 각각 회전축(4a,5a)을 매개로 회전가능하게 설치되어 있다.The first valve 4 for adjusting the area of the inlet of the bypass passage 3 and the second valve 5 for opening and closing the outlet of the bypass passage 3 and the air suction hose are respectively rotated shafts ( 4a, 5a) are rotatably installed.

상기 각 회전축(4a,5a)은 엔진제어유니트(ECU)에 의해 제어되는 모터와 연결되어, 상기 모터에 의해 시계방향 혹은 반시계 방향으로 회전하게 되어 있고, 상기 엔진제어유니트(ECU)는 엔진의 회전수와 부하 및 자동차의 운행 속도를 각각 감지하여 미리 프로그램된 제어 루트나 혹은 제어 데이터에 따라서 제어신호를 상기 모터에 인가하여 상기 각 밸브의 회전을 제어해서 각 통로의 단면적을 조절하게 되어 있다.Each of the rotary shafts 4a and 5a is connected to a motor controlled by an engine control unit (ECU), and rotates in a clockwise or counterclockwise direction by the motor, and the engine control unit (ECU) is connected to the engine. The rotation speed and the load and the driving speed of the vehicle are respectively sensed, and a control signal is applied to the motor according to a pre-programmed control route or control data to control the rotation of each valve to adjust the cross-sectional area of each passage.

도 2에는 엔진의 고속 및 고부하 운전시에 상기 공기흡입호스를 통한 공기의 유동경로가 단면으로 도시되어 있는 바, 즉 상기 엔진제어유니트가 엔진의 고속 운전 및 고부하를 감지하면, 상기 제1밸브(4)를 모터를 매개로 반시계 방향으로 회전시켜 상기 바이패스통로(3)의 입구부를 일부 막도록 조절하는 반면에 상기 제2밸브(5)를 모터를 매개로 회전시켜 상기 바이패스통로(3)의 출구부를 전부 막도록 조절하게 된다.2 is a cross-sectional view of a flow path of air through the air suction hose during high speed and high load operation of the engine, that is, when the engine control unit senses high speed operation and high load of the engine, the first valve ( 4) is rotated counterclockwise via a motor to block a portion of the inlet of the bypass passage 3, while the second valve 5 is rotated via a motor to bypass the bypass passage (3). ) So as to block all of the outlets.

이에 따라, 상기 공기흡입호스의 내부는 상기 각 밸브에 의해 단면적이 줄어들지 않게 되어, 공기흡입호스의 전체 단면적을 이용해서 보다 많은 양의 공기가 짧은 경로로 상기 에어크리너를 거쳐서 엔진으로 유입됨에 따라 엔진의 출력이 향상되게 된다.Accordingly, the inside of the air intake hose is not reduced in cross-sectional area by the respective valves, and by using the entire cross-sectional area of the air intake hose, a larger amount of air enters the engine through the air cleaner through the air cleaner in a short path. Output is improved.

상기와 같은 경우에 상기 바이패스통로의 입구부는 상기 제1밸브에 의해 완전히 막히지 않고 일부가 개방되어 있는 반면에 상기 바이패스통로의 출구부는 완전히 막혀 있으므로, 상기 바이패스통로가 공명기 역할을 해서 흡기 소음을 줄여주게 된다.In such a case, since the inlet portion of the bypass passage is not completely blocked by the first valve but is partially opened, while the outlet portion of the bypass passage is completely blocked, the bypass passage acts as a resonator and thus intake noise. Will reduce.

도 3에는 엔진이 저속 및 저부하 운전시의 상기 공기흡입호스 및 바이패스통로를 통한 공기유동경로가 도시되어 있는 바, 즉 상기 엔진제어유니트가 엔진의 저속 운전 및 저부하를 감지하면, 상기 제1밸브(4)를 모터를 매개로 시계방향으로 회전시켜 상기 바이패스통로(3)의 입구부를 완전히 개방하도록 조절하는 반면에 상기 제2밸브(5)를 모터를 매개로 반시계 방향으로 회전시켜 상기 바이패스통로(3)의 출구부를 완전히 개방하면서 상기 공기흡입호스의 밀폐시키도록 조절하게 된다.3 shows an air flow path through the air suction hose and the bypass passage when the engine operates at low speed and low load, that is, when the engine control unit senses the low speed operation and low load of the engine, 1 valve (4) is rotated clockwise through the motor to adjust the inlet of the bypass passage (3) to fully open, while the second valve (5) is rotated counterclockwise through the motor It is adjusted to seal the air suction hose while completely opening the outlet portion of the bypass passage (3).

이에 따라, 상기 공기흡입호스를 통해 유입된 공기는 상기 바이패스통로의 입구부를 통해 바이패스통로로 유입된 다음에 바이패스통로의 출구부를 통해 에어크리너를 거쳐서 엔진으로 유입되게 된다.Accordingly, the air introduced through the air suction hose is introduced into the bypass passage through the inlet portion of the bypass passage and then to the engine through the air cleaner through the outlet portion of the bypass passage.

그러므로, 흡입 공기의 유동 경로가 길어지게 되면서 흡입 관성력이 증가하여 흡입 효율이 향상됨에 따라 엔진의 출력이 증대되게 되고, 또한 상기 제1밸브(4)와 제2밸브(5)사이의 공기흡입호스의 통로는 공명기 역할을 하여 흡기 소음을 줄여주게 된다.Therefore, as the flow path of the intake air becomes longer, the intake inertia force increases and the intake efficiency is improved, so that the output of the engine is increased, and the air intake hose between the first valve 4 and the second valve 5 is increased. The passage of the to act as a resonator to reduce the intake noise.

이상 설명한 바와 같이 본 발명에 따른 가변흡기장치에 의하면, 엔진의 운전 속도와 부하 및 자동차의 운행 속도에 따라 엔진으로 유입되는 공기유동경로를 가변시켜 엔진의 출력을 효과적으로 향상시킬 수 있을 뿐만 아니라 엔진으로 유입되는 공기의 흡입 소음도 적절히 저감시킬 수 있고, 공기흡입호스에 설치되어 구조도 간단하여 저렴하게 구성시킬 수 있으면서 엔진룸의 사용 공간도 확장시킬 수 있는 등의 효과가 있게 된다.According to the variable intake apparatus according to the present invention as described above, by varying the air flow path flowing into the engine in accordance with the operating speed and load of the engine and the driving speed of the vehicle can not only effectively improve the output of the engine but also to the engine The intake noise of the inflow air can be appropriately reduced, and the structure is also simple and inexpensive because it is installed in the air intake hose, and the use space of the engine room can be expanded.

Claims (3)

에어크리너로 공기를 유도하는 공기흡입호스에 공기유동경로를 증대시키면서 상기 공기흡입호스와 각각 연통되는 입구부와 출구부를 구비한 바이패스통로와, 상기 입구부와 상기 공기흡입호스의 직경보다 작은 직경을 가지면서 상기 입구부의 일부를 개폐하는 제1밸브, 상기 출구부 및 상기 공기흡입호스의 직경과 동일하거나 큰 직경을 가지면서 상기 공기흡입호스와 상기 출구부를 선택적으로 개폐하는 제2밸브 및, 엔진의 운전속도와 부하에 따라 상기 밸브를 제어하는 엔진제어유니트를 구비한 가변흡기장치.A bypass passage having an inlet and an outlet portion communicating with the air suction hose while increasing an air flow path to the air suction hose for inducing air to the air cleaner, and a diameter smaller than the diameter of the inlet portion and the air suction hose. A first valve for opening and closing a part of the inlet part, a second valve for selectively opening and closing the air suction hose and the outlet part, having an diameter equal to or larger than that of the outlet part and the air suction hose, and an engine; Variable intake apparatus having an engine control unit for controlling the valve in accordance with the operating speed and load. 제 1항에 있어서, 상기 엔진이 고속 및 고부하 운전시에는 상기 제1밸브가 상기 공기흡입호스를 완전히 개방시키면서 상기 입구부의 일부를 막고, 상기 제2밸브는 상기 공기흡입호스를 완전히 개방시키면서 상기 출구부를 완전히 막도록 상기 엔진제어유니트에 의해 제어되는 것을 특징으로 하는 가변흡기장치.The air conditioner of claim 1, wherein, when the engine is operated at high speed and high load, the first valve closes a part of the inlet part while completely opening the air suction hose, and the second valve completely opens the air suction hose. Variable intake apparatus, characterized in that controlled by the engine control unit to completely block the part. 제 1항에 있어서, 상기 엔진이 저속 및 저부하 운전시에는 상기 제1밸브가 상기 입구부를 완전히 개방시키면서 상기 공기흡입호스의 일부를 막고, 상기 제2밸브는 상기 출구부를 완전히 개방시키면서 상기 공기흡입호스를 완전히 막도록 상기 엔진제어유니트에 의해 제어되는 것을 특징으로 하는 가변흡기장치.2. The air intake apparatus of claim 1, wherein, when the engine operates at a low speed and low load, the first valve completely closes the air intake hose while opening the inlet portion, and the second valve completely opens the outlet portion. Variable intake apparatus characterized in that controlled by the engine control unit to completely block the hose.
KR1020050109100A 2005-11-15 2005-11-15 Variable intake device KR100680372B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8562726B2 (en) 2011-11-14 2013-10-22 Hyundai Motor Company Chamber air cleaner and an intake apparatus for engine including the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63160326U (en) 1987-04-10 1988-10-20
JPH01124335U (en) * 1988-02-18 1989-08-24
JPH10122072A (en) 1996-10-23 1998-05-12 Daihatsu Motor Co Ltd Variable intake pipe
KR19980074829A (en) * 1997-03-27 1998-11-05 김영귀 Automobile fresh air duct device having variable length and control method thereof
KR200147461Y1 (en) 1994-09-26 1999-06-15 정몽규 Variable valve for intake manifold

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63160326U (en) 1987-04-10 1988-10-20
JPH01124335U (en) * 1988-02-18 1989-08-24
KR200147461Y1 (en) 1994-09-26 1999-06-15 정몽규 Variable valve for intake manifold
JPH10122072A (en) 1996-10-23 1998-05-12 Daihatsu Motor Co Ltd Variable intake pipe
KR19980074829A (en) * 1997-03-27 1998-11-05 김영귀 Automobile fresh air duct device having variable length and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8562726B2 (en) 2011-11-14 2013-10-22 Hyundai Motor Company Chamber air cleaner and an intake apparatus for engine including the same

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