KR100291086B1 - Actuator control apparatus of turbo charger west gate valve - Google Patents

Actuator control apparatus of turbo charger west gate valve Download PDF

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KR100291086B1
KR100291086B1 KR1019970043976A KR19970043976A KR100291086B1 KR 100291086 B1 KR100291086 B1 KR 100291086B1 KR 1019970043976 A KR1019970043976 A KR 1019970043976A KR 19970043976 A KR19970043976 A KR 19970043976A KR 100291086 B1 KR100291086 B1 KR 100291086B1
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chamber
gate valve
actuator
diaphragm
west gate
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KR1019970043976A
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Korean (ko)
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KR19990020514A (en
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라성오
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이계안
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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12—Control of the pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/40—Application in turbochargers
    • 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

PURPOSE: An actuator control apparatus is provided to reduce fuel consumption and a harmful exhaust gas by opening a gate valve to activate an actuator when arriving at an RPM range of a vehicle. CONSTITUTION: An actuator control apparatus forms a first chamber in which a compressor(36) pressure is acted, to one side of a diaphragm(34) of a turbo charger west gate valve actuator(32). A second chamber(42) in which a negative pressure is acted, is formed to the other side of the first chamber(38) while an elastic member(40) for buffering the diaphragm is installed thereto. A rod(44) for activating a gate valve is installed to the diaphragm(34). A vacuum pump(48) is installed to a pipe line connected to the second chamber(42) and by activating the vacuum pump, the second chamber is formed in the negative pressure. A solenoid valve(50) for opening or closing the pipe line is installed to the second chamber to form the negative within an RPM range by the vacuum pump. An electronic control unit(52) controls the solenoid valve to open when arriving at the RPM range of an engine.

Description

터보챠저 웨스트 게이트 밸브의 액츄에이터 제어장치Actuator Control of Turbocharger West Gate Valve

본 발명은 터보챠저 웨스트 게이트 밸브 액츄에이터의 제어장치에 관한 것으로, 더욱 상세하게는 차량의 소정 회전수 범위에 도달할 때 액츄에이터를 작동시켜 웨스트 게이트 밸브를 개구하여 주므로서 연료소비와 유해 배기가스를 저감하는 터보챠저 웨스트 게이트 밸브 액츄에이터의 제어장치에 관한 것이다.The present invention relates to a control device for a turbocharger west gate valve actuator, and more particularly, to reduce fuel consumption and harmful exhaust gas by opening the west gate valve by operating the actuator when a predetermined speed range of the vehicle is reached. It relates to a control device of a turbocharger west gate valve actuator.

도3은 종래기술에 따른 터보챠저를 도시한 도면으로, 부호(2)는 터보챠저를 지칭한다.Figure 3 shows a turbocharger according to the prior art, with reference numeral 2 designating a turbocharger.

상기한 터보챠저(2)는 동일축상의 터빈(4)과 컴프레셔(6) 그리고 액츄에이터(8)로 웨스트 게이트 밸브(10)로 구성되어 있다.Said turbocharger 2 is comprised by the turbine 4, the compressor 6, and the actuator 8 on the same axis as the west gate valve 10. As shown in FIG.

상기한 터빈(4)과 컴프레셔(6)는 휠(12)과 하우징(14)으로 구성되며 휠(12)은 축의 양끝단에 설치되어 있다.The turbine 4 and the compressor 6 are composed of a wheel 12 and a housing 14, the wheel 12 is provided at both ends of the shaft.

상기한 터보챠저(2)는 차량의 주행 상태에 따라 출력을 증가시켜 줄때 엔진부하가 증가하여 스로틀 밸브가 열리면 연소실로 공기와 연료의 공급이 증가된다.When the turbocharger 2 increases the output according to the driving state of the vehicle, the engine load increases, and when the throttle valve is opened, the air and fuel supply to the combustion chamber is increased.

이에 높은 에너지의 배기가스가 더많이 엔진 배기 시스템(16)으로 유입되어 터보챠저(2)의 터빈 하우징(14)을 통과하면서 배기가스 에너지의 일부가 터빈휠(12)의 회전을 증가시켜준다.As a result, more of the high-energy exhaust gas enters the engine exhaust system 16 and passes through the turbine housing 14 of the turbocharger 2 so that some of the exhaust gas energy increases the rotation of the turbine wheel 12.

상기한 터빈휠(12)과 컴프레셔휠(18)은 동일축으로 연결되어 있기 때문에 컴프레셔휠(18)의 회전증가로 흡입공기를 압축하여 흡기 매니폴드(20)를 통해 스로틀 보디로 과급의 혼합기를 연소실로 보내어 폭발 행정시에 더 높은 출력을 발생시킨다.Since the turbine wheel 12 and the compressor wheel 18 are connected to the same axis, the turbocharger 18 compresses the intake air by increasing the rotation of the compressor wheel 18, and the supercharger is introduced into the throttle body through the intake manifold 20. Sent to the combustion chamber to produce higher output during the explosion stroke.

상기 흡기 매니폴드(20)의 압력은 도시 생략한 전자제어장치에 내장되어 있는 맵센서가 감지하여 액츄에이터(8)를 작동시켜 웨스트 게이트 밸브(10)를 개구하므로서 배기가스의 일부를 터빈휠(12)로 직접 통과시키지 않고 바이패스시켜 터빈의 회전속도를 감속한다.The pressure of the intake manifold 20 is sensed by a map sensor embedded in an electronic control unit (not shown) to operate the actuator 8 to open the west gate valve 10, thereby discharging a part of the exhaust gas to the turbine wheel 12. Bypass without directly passing through) decreases the rotational speed of the turbine.

일반적으로 자연흡기식 엔진은 혼합기의 양을 늘림으로서 총배기량이 증가하여 출력을 높혀주나 터보챠져(2)는 이러한 총배기량의 변화없이 혼합기의 양과 출력을 증가시킨다.In general, a naturally-aspirated engine increases the total amount of exhaust by increasing the amount of mixer, thereby increasing the output, but the turbocharger 2 increases the amount and output of the mixer without changing the total amount of exhaust.

이에 따라 터보챠져(2)의 엔진은 과급조건에서 공기 연료의 사용증가에 적합한 배기 상태가 이루어지도록 하고 있다.Accordingly, the engine of the turbocharger 2 is configured to achieve an exhaust state suitable for increasing the use of air fuel under supercharging conditions.

상기한 종래기술은 중속에서도 웨스트 게이트 밸브를 열어주어 중속이후 정격 회전수 도달 때까지의 연료 소비와 유해 배기가스가 발생하는 문제점이 있다.The prior art has a problem in that fuel consumption and harmful exhaust gas are generated until the rated speed is reached after the medium speed by opening the west gate valve even at the medium speed.

그리고 연료소비와 유해배기 가스 저감을 위해 웨스트 게이트 밸브를 열어주어 터빈의 회전속도를 감속시키지만 탄성부재의 탄성력과 초기장력만으로 웨스트 게이트 밸브를 개구 작동시키는 액츄에이터를 컨트롤하기에는 한계가 있다.And while opening the west gate valve to reduce fuel consumption and harmful exhaust gas to reduce the rotational speed of the turbine, there is a limit to control the actuator for opening the west gate valve only by the elastic force and the initial tension of the elastic member.

상기한 바와 같이 이루어지는 종래기술의 문제점을 해소하기 위하여 안출된 본 발명의 목적은 차량의 소정 회전수 범위에 도달할 때 액츄에이터를 작동시켜 웨스트 게이트 밸브를 개구하여 주므로서 연료소비와 유해 배기가스를 저감하는 터보챠저 웨스트 게이트 밸브 액츄에이터의 제어장치에 관한 것이다.An object of the present invention devised to solve the problems of the prior art made as described above is to reduce fuel consumption and harmful exhaust gas by opening the west gate valve by operating the actuator when reaching a predetermined speed range of the vehicle It relates to a control device for a turbocharger west gate valve actuator.

이를 실현하기 위한 본 발명은 터보차져 웨스트 게이트 밸브 액츄에이터의 다이어프램 일측에 콤프레셔압이 작용하는 제1쳄버와,The present invention for realizing this, and the first chamber in which the compressor pressure acts on one side of the diaphragm of the turbocharger west gate valve actuator,

상기 제1쳄버의 타측에 다이어프램을 탄지하는 탄성부재가 설치되면서 부압이 작용하는 제2쳄버와,A second chamber under which negative pressure acts while an elastic member for supporting the diaphragm is installed on the other side of the first chamber,

상기 제2쳄버에 연결되는 관로에 시동과 더불어 작동하여 제2쳄버에 부압을 형성하게 설치한 진공펌프와,A vacuum pump installed in the pipeline connected to the second chamber to operate under startup to form a negative pressure in the second chamber;

상기 진공펌프에 의한 부압이 소정 회전수 범위에서 제2쳄버에 형성되게 관로를 개폐 작동시키는 솔레노이드 밸브와,A solenoid valve for opening and closing the pipe so that the negative pressure by the vacuum pump is formed in the second chamber in a predetermined rotation speed range;

상기 솔레노이드 밸브 작동을 기설정된 엔진의 소정 회전수 범위에서 제어하는 전자제어장치를 포함하여 이루어지는 터보챠저 웨스트 게이트 밸브 액츄에이터의 제어장치를 제공하는데 있다.It is to provide a control device for a turbocharger west gate valve actuator comprising an electronic control device for controlling the solenoid valve operation in a predetermined speed range of the engine.

도1은 본 발명에 따른 터보챠저 웨스트 게이트 밸브의 액츄에이터 제어장치를 를 도시한 도면.1 is a view showing an actuator control device of a turbocharger west gate valve according to the present invention;

도2는 본 발명에 따른 액츄에이터 제어장치의 작용을 도시한 도면.Figure 2 shows the action of the actuator control device according to the present invention.

도3은 종래 기술에 따른 터보챠저를 도시한 도면.Figure 3 shows a turbocharger according to the prior art.

이하, 본 발명의 바람직한 일 실시예를 첨부한 도면에 의하여 더욱 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in more detail.

도1은 본 발명에 따른 터보챠저 웨스트 게이트 밸브 액츄에이터의 제어장치를 를 도시한 도면으로, 부호(30)는 액츄에이터 제어장치를 지칭한다.1 is a view showing a control device of a turbocharger west gate valve actuator according to the present invention, wherein reference numeral 30 denotes an actuator control device.

상기한 액츄에이터 제어장치(30)는 터보차져 웨스트 게이트 밸브 액츄에이터(32)의 다이어프램(34) 일측에 콤프레셔(36)압이 작용하는 제1쳄버(38)를 형성하고 있다.The actuator control device 30 forms a first chamber 38 in which the compressor 36 pressure acts on one side of the diaphragm 34 of the turbocharger west gate valve actuator 32.

상기 제1쳄버(38)의 타측에는 다이어프램(34)을 탄지하는 탄성부재(40)가 설치되면서 부압이 작용하는 제2쳄버(42)를 형성하고 있다.On the other side of the first chamber 38, the elastic member 40 holding the diaphragm 34 is installed and a second chamber 42 acting under negative pressure is formed.

상기한 다이어프램(34)에는 웨스트 게이트 밸브를 작동시키는 로드(44)가 설치되고 있다.The diaphragm 34 is provided with a rod 44 for operating the west gate valve.

그리고 상기한 제2쳄버(42)에 연결되는 관로(46)에 시동과 더불어 작동하여 제2쳄버(42)에 부압이 형성되게 하는 진공펌프(48)를 설치하고 있다.In addition, a vacuum pump 48 is installed in the pipe line 46 connected to the second chamber 42 so as to operate under startup to form a negative pressure in the second chamber 42.

상기한 진공펌프(48)에 의한 부압이 소정 회전수 범위에서 제2쳄버(42)에 형성되게 관로(46)를 개폐 작동시키는 솔레노이드 밸브(50)를 설치하고 있다.The solenoid valve 50 which opens and closes the pipe line 46 is provided so that the negative pressure by the said vacuum pump 48 may be formed in the 2nd chamber 42 in the predetermined rotation speed range.

상기한 솔레노이드 밸브(50)를 기설정된 엔진의 회전수 범위일 때 개구 제어하는 전자제어장치(52)를 포함하여 이루어지고 있다.It includes the electronic control device 52 for controlling the opening when the solenoid valve 50 is in the preset engine speed range.

상기한 바와 같이 이루어지는 본 발명의 작용은 기설정되어 차량의 중속이후 소정의 엔진 회전수 범위에 도달함을 판단하면 전자제어장치(52)가 솔레노이드 밸브(50)를 작동시켜 관로(46)를 개구한다.When the operation of the present invention made as described above is determined to reach a predetermined engine speed range after the medium speed of the vehicle, the electronic controller 52 operates the solenoid valve 50 to open the conduit 46. do.

상기한 솔레노이드 밸브(50)의 작동으로 관로(46)가 개구됨에 따라 액츄에이터(32)의 제2쳄버(42)에는 작동중인 진공펌프(48)에 의해 부압이 형성된다.As the pipeline 46 is opened by the operation of the solenoid valve 50, a negative pressure is formed in the second chamber 42 of the actuator 32 by the vacuum pump 48 in operation.

상기한 제2쳄버(42)에 부압이 형성되면 다이어프램(34)은 순간적으로 로드(44)를 푸쉬하여 웨스트 게이트 밸브를 개구 작동시켜 배기가스를 바이패스시켜 터빈휠 감속시킨다.When the negative pressure is formed in the second chamber 42, the diaphragm 34 momentarily pushes the rod 44 to open the west gate valve to bypass the exhaust gas to decelerate the turbine wheel.

이에 따라 엔진의 주행중 도달하는 소정 회전수 범위에서 공기와 연료의 공급을 저감시키게 된다.As a result, the supply of air and fuel is reduced in a predetermined rotation speed range reached while the engine is running.

본 발명은 엔진의 소정 회전수 범위에서 연소실로 공급되는 연료와 공기를 저감시켜줌으로서 유해 배기가스의 저감과 연료소비를 줄일 수 있는 발명이다.The present invention is to reduce the harmful exhaust gas and to reduce fuel consumption by reducing the fuel and air supplied to the combustion chamber in the predetermined rotation range of the engine.

Claims (1)

터보차져 웨스트 게이트 밸브 액츄에이터의 다이어프램 일측에 콤프레셔압이 작용하는 제1쳄버와,A first chamber in which the compressor pressure acts on one side of the diaphragm of the turbocharger west gate valve actuator; 상기 제1쳄버의 타측에 다이어프램을 탄지하는 탄성부재가 설치되면서 부압이 작용하는 제2쳄버와,A second chamber under which negative pressure acts while an elastic member for supporting the diaphragm is installed on the other side of the first chamber, 상기 제2쳄버에 연결되는 관로에 시동과 더불어 작동하여 제2쳄버에 부압을 형성하게 설치한 진공펌프와,A vacuum pump installed in the pipeline connected to the second chamber to operate under startup to form a negative pressure in the second chamber; 상기 진공펌프에 의한 부압이 소정 회전수 범위에서 제2쳄버에 형성되게 관로를 개폐 작동시키는 솔레노이드 밸브와,A solenoid valve for opening and closing the pipe so that the negative pressure by the vacuum pump is formed in the second chamber in a predetermined rotation speed range; 상기 솔레노이드 밸브 작동을 기설정된 엔진의 소정 회전수 범위에서 제어하는 전자제어장치를 포함하여 이루어짐을 특징으로 하는 터보챠저 웨스트 게이트 밸브 액츄에이터의 제어장치.And an electronic controller for controlling the solenoid valve operation within a predetermined rotational speed range of the engine.
KR1019970043976A 1997-08-30 1997-08-30 Actuator control apparatus of turbo charger west gate valve KR100291086B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952135U (en) * 1982-09-30 1984-04-05 いすゞ自動車株式会社 Internal combustion engine with exhaust turbocharger

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952135U (en) * 1982-09-30 1984-04-05 いすゞ自動車株式会社 Internal combustion engine with exhaust turbocharger

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