KR100396639B1 - Idle Speed Actuator For LPG - Google Patents

Idle Speed Actuator For LPG Download PDF

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Publication number
KR100396639B1
KR100396639B1 KR10-1999-0037540A KR19990037540A KR100396639B1 KR 100396639 B1 KR100396639 B1 KR 100396639B1 KR 19990037540 A KR19990037540 A KR 19990037540A KR 100396639 B1 KR100396639 B1 KR 100396639B1
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South Korea
Prior art keywords
seal portion
discharge
suction
valve
valve seal
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KR10-1999-0037540A
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Korean (ko)
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KR20010026293A (en
Inventor
천동필
임창식
성기호
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주식회사 현대오토넷
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Priority to KR10-1999-0037540A priority Critical patent/KR100396639B1/en
Publication of KR20010026293A publication Critical patent/KR20010026293A/en
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Publication of KR100396639B1 publication Critical patent/KR100396639B1/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
    • F02M3/00Idling devices for carburettors
    • F02M3/08Other details of idling devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D13/00Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0242Variable control of the exhaust valves only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D13/00Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0253Fully variable control of valve lift and timing using camless actuation systems such as hydraulic, pneumatic or electromagnetic actuators, e.g. solenoid valves

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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)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

본 발명은 자동차의 전자식 엔진에서 흡입 공기의 유량을 제어하는 LPG용 아이들 스피드 액츄에이터에 관한 것으로서,The present invention relates to an idle speed actuator for LPG for controlling the flow rate of intake air in an electronic engine of an automobile,

배기량을 제어하도록 밸브시일부(88)가 구비되며, 상기 밸브시일부(88)는 제1시일부(96)와의 틈 크기에 의해서 배기량을 제어하며, 샤프트(82)에 장착된 밸브 조립체(80)와, 스테이터(64)와, 보빈(58)에 의해서 지지되는 코일(54)과, 상기 코일(54)에 전기를 전달하는 터미널(56)과, 상기 보빈(58)의 외측에 설치된 요크(60)를 포함하는 솔레노이드 조립체(50)로 구성된 액츄에이터에 있어서,A valve seal portion 88 is provided to control the displacement, and the valve seal portion 88 controls the displacement by a gap size with the first seal portion 96, and the valve assembly 80 mounted on the shaft 82. ), A stator 64, a coil 54 supported by the bobbin 58, a terminal 56 which transfers electricity to the coil 54, and a yoke provided outside the bobbin 58 In an actuator consisting of a solenoid assembly 50 comprising 60),

흡입관로(164)를 형성하는 흡입벽부(165)는 곡선부(166)로 이루어지고, 배출관로(162)를 형성하는 배출벽부(173)에는 곡선부(178) 및 제1시일부(174)와 상기 곡선부(178) 사이에 직선부(176)가 형성되고, 상기 흡입벽부(165) 및 배출벽부(173), 제2시일부(172) 둘레면 및 밸브시일부(150)에는 비점착성의 성질을 갖는 코팅재로 코팅된다.The suction wall portion 165 forming the suction pipe passage 164 is formed of a curved portion 166, and the curved portion 178 and the first seal portion 174 are formed in the discharge wall portion 173 forming the discharge passage 162. And a straight portion 176 is formed between the curved portion 178 and non-tackiness on the suction wall portion 165, the discharge wall portion 173, the second seal portion 172 circumferential surface, and the valve seal portion 150. It is coated with a coating material having a property of.

이것에 의해서, 카본이 관로에 퇴적되지 않아 밸브시일부와 제1시일부간에 클리언스가 충분히 확보되어, 공기 유량을 최적의 상태로 공급할 수 있게 된다.As a result, carbon is not deposited in the conduit and the clearance is sufficiently secured between the valve seal portion and the first seal portion, so that the air flow rate can be supplied in an optimal state.

Description

엘피지용 아이들 스피드 액츄에이터 {Idle Speed Actuator For LPG}Idle Speed Actuator For LPG}

본 발명은 자동차의 전자식 엔진에서 흡입 공기의 유량을 제어하는 LPG용 아이들 스피드 액츄에이터에 관한 것으로서, 보다 상세히는 밸브시일부 및 공기유량관로에 카본이 퇴적되지 않도록 한 LPG용 아이들 스피드 액츄에이터에 관한 것이다.The present invention relates to an idle speed actuator for LPG for controlling the flow rate of intake air in an electronic engine of an automobile, and more particularly to an idle speed actuator for LPG in which carbon is not deposited on the valve seal portion and the air flow line.

종래의 경우를 도 1 내지 도 4를 참조하여 설명하기로 한다.A conventional case will be described with reference to FIGS. 1 to 4.

도 1를 참조하면, 일반적인 LPG용 아이들 스피드 액츄에이터가 도시되어 있다. 상기 LPG용 아이들 스피드 액츄에이터는 밸브 조립체(80)와 상기 밸브조립체(80)의 밸브시일부(88)를 제어하는 솔레노이드 조립체(50)로 구성된다.Referring to Figure 1, a typical idle speed actuator for LPG is shown. The idle speed actuator for LPG is composed of a valve assembly 80 and a solenoid assembly 50 that controls the valve seal portion 88 of the valve assembly 80.

상기 밸브 조립체(80)는 공기가 흡입되는 흡입니플(84)과, 공기가 배출되는배출니플(86)이 구비되고, 상기 흡입니플(84)에서 배출니플(86)로의 배기량을 제어하도록 밸브시일부(88)가 구비된다. 상기 밸브시일부(88)는 제1시일부(96)과의 틈 크기에 의해서 배기량을 제어한다. 상기 밸브시일부(88)는 샤프트(82)에 장착된다.The valve assembly 80 includes a suction nipple 84 through which air is sucked in, and a discharge nipple 86 through which air is discharged, and controls the discharge amount from the suction nipple 84 to the discharge nipple 86. A portion 88 is provided. The valve seal portion 88 controls the displacement by the gap size with the first seal portion 96. The valve seal portion 88 is mounted to the shaft 82.

상기 솔레노이드 조립체(50)는 철 성분으로 이루어진 스테이터(64)와, 보빈(58)에 의해서 지지되는 코일(54)과, 상기 코일(54)에 전기를 전달하는 터미널(56)과, 상기 보빈(58)의 외측에 설치된 요크(60)를 포함한다.The solenoid assembly 50 includes a stator 64 made of an iron component, a coil 54 supported by the bobbin 58, a terminal 56 transferring electricity to the coil 54, and the bobbin ( And a yoke 60 provided outside of 58.

상기 솔레노이드 조립체(50)는 엔진컴퓨터(도시 않음)로부터의 신호에 의해서 작동된다. 상기 샤프트(82)의 상부에는 영구자석(120)이 장착된다(도 2참조).The solenoid assembly 50 is actuated by a signal from an engine computer (not shown). A permanent magnet 120 is mounted on the shaft 82 (see FIG. 2).

상기와 같은 구성에 의해서 종래의 LPG용 아이들 스피드 액츄에이터는 다음과 같이 작동된다.By the above configuration, the conventional idle speed actuator for LPG is operated as follows.

외부에서 부하가 인가되지 않은 상태에서는 영구자석(120)의 힘만으로 밸브시일부(88)의 초기 위치가 결정되는데, 영구자석(120)의 N,S극은 스테이터(64)와 가장 가까운 위치에 위치하게 된다.In the state in which no load is applied from the outside, the initial position of the valve seal portion 88 is determined only by the force of the permanent magnet 120. The N and S poles of the permanent magnet 120 are positioned closest to the stator 64. Will be located.

엔진컴퓨터로부터 듀티비에 따른 동작 신호가 입력되어 1-49% 범위일 때에는 샤프트(82)가 반시계방향으로 회전되어 밸브시일부(88)가 크로즈되고, 51-99% 범위일 때에는 시계방향으로 회전되어 밸브시일부(88)가 오픈된다.When the operation signal corresponding to the duty ratio is input from the engine computer and the range is 1-49%, the shaft 82 is rotated counterclockwise to close the valve seal 88, and when the range is 51-99%, clockwise. The valve seal portion 88 is rotated to open.

또한, 듀티비가 50%일때에는 밸브시일부(88)가 초기위치로 오게 된다.In addition, when the duty ratio is 50%, the valve seal portion 88 comes to the initial position.

따라서 밸브시일부(88)의 위치는 듀티비에 비례하여 각도의 변위를 발생하게 되고, 이 밸브의 각도 변위에 따라 공기의 통로 면적이 변하게 된다. 공기의 유량은 밸브시일부(88)와 제1시일부(96)의 간극에 따라 변하게 된다.Therefore, the position of the valve seal portion 88 generates an angle displacement in proportion to the duty ratio, and the passage area of the air changes according to the angle displacement of the valve. The flow rate of the air is changed depending on the gap between the valve seal portion 88 and the first seal portion 96.

도 3을 참조하면, 도 1의 B-B선 단면도로서, 흡입관로(124)를 형성하는 흡입벽부(122)는 직각형이고, 배출관로(126)를 형성하는 배출벽부(130)에는 오목부(132)가 형성되어 있다.Referring to FIG. 3, a cross-sectional view taken along the line BB of FIG. 1, in which the suction wall 122 forming the suction pipe 124 is rectangular, and the recess 132 is formed in the discharge wall 130 forming the discharge pipe 126. ) Is formed.

이러한 관로 구조로 인하여, 도 4에서와 같이, 흡입벽부(122), 배출벽부(130) 및 제2시일부(88)의 둘레면에 퇴적물(140)이 흡착된다. 상기 밸브 시일부(88)에 흡착된 퇴적물로 인하여 제1시일부(96)와의 클리언스가 부족하게 된다. 솔레노이드에 의해서 회전운동을 하는 밸브시일부(88)가 클리언스 부족으로 부하를 받아 제1시일부(96)에 고착이 되면 유량을 제어할 수 없게 되고, 이로 인하여 아이들 상태의 흡기 유량을 제어할 수 없게되며, 아이들 스피드의 제어가 불가능하게 되는 문제점이 발생된다.Due to this pipeline structure, as shown in FIG. 4, the deposit 140 is adsorbed on the circumferential surfaces of the suction wall 122, the discharge wall 130, and the second seal portion 88. Due to the deposit adsorbed on the valve seal portion 88, the clearance with the first seal portion 96 is insufficient. When the valve seal portion 88 that rotates by the solenoid is fixed due to the lack of clearance and is fixed to the first seal portion 96, the flow rate cannot be controlled, thereby controlling the intake flow rate in the idle state. A problem arises in that it becomes impossible to control the idle speed.

본 발명은 상술한 종래의 문제점을 극복하기 위한 것으로서, 본 발명의 목적은 밸브시일부와 바디 시일부에 비점착성 물질로 코팅하여 카본의 흡착을 방지하고, 관로의 구조를 변경하여 공기 유량을 원할하게 하는 LPG용 아이들 스피드 액츄에이터를 제공하는데 있다.The present invention is to overcome the above-mentioned conventional problems, an object of the present invention is to coat the valve seal and the body seal with a non-stick material to prevent the adsorption of carbon, and to change the structure of the pipe to the air flow rate To provide an idle speed actuator for LPG.

상기 본 발명의 목적을 달성하기 위한 본 발명에 따른 LPG용 아이들 스피드 액츄에이터의 일예로써,As an example of the idle speed actuator for LPG according to the present invention for achieving the object of the present invention,

공기가 흡입되는 흡입니플과, 공기가 배출되는 배출니플이 구비되고, 상기 흡입니플에서 배출니플로의 배기량을 제어하도록 밸브시일부가 구비되며, 상기 밸브시일부는 제1시일부와의 틈 크기에 의해서 배기량을 제어하며, 샤프트에 장착된 밸브 조립체와,A suction nipple for sucking air and a discharge nipple for discharging air are provided, and a valve seal part is provided to control the discharge amount of the discharge nipple from the suction nipple, and the valve seal part has a gap size with the first seal part. To control the displacement, the valve assembly mounted to the shaft,

철성분으로 이루어진 스테이터와, 보빈에 의해서 지지되는 코일과, 상기 코일에 전기를 전달하는 터미널과, 상기 보빈의 외측에 설치된 요크를 포함하는 솔레노이드 조립체로 구성된 액츄에이터에 있어서,An actuator comprising a stator made of an iron component, a coil supported by a bobbin, a terminal for transmitting electricity to the coil, and a solenoid assembly including a yoke provided on the outside of the bobbin,

흡입관로를 형성하는 흡입벽부는 곡선부로 이루어지고, 배출관로를 형성하는 배출벽부에는 곡선부 및 제1시일부와 상기 곡선부 사이에 직선부가 형성되고,The suction wall portion forming the suction pipe passage is formed of a curved portion, the discharge wall portion forming the discharge pipe is formed with a curved portion and a straight portion between the first seal portion and the curved portion,

상기 흡입벽부 및 배출벽부, 제2시일부 둘레면 및 밸브시일부에는 비점착성의 성질을 갖는 코팅재로 코팅된다.The suction wall part and the discharge wall part, the second seal part circumferential surface and the valve seal part are coated with a coating material having a non-adhesive property.

도 1은 종래의 LPG용 아이들 스피드 액츄에이터를 도시한 단면도1 is a cross-sectional view showing a conventional idle speed actuator for LPG

도 2는 도 1의 A-A선에 따른 단면도2 is a cross-sectional view taken along the line A-A of FIG.

도 3은 도 1의 B-B선에 따른 단면도3 is a cross-sectional view taken along the line B-B of FIG.

도 4는 종래의 밸브 구조에서 카본 퇴적물이 퇴적된 상태를 도시한 단면도4 is a cross-sectional view showing a state in which carbon deposits are deposited in a conventional valve structure;

도 5는 본 발명에 따른 밸브 구조체의 단면도5 is a cross-sectional view of the valve structure according to the present invention.

도 6은 본 발명에 따른 밸브 구조체의 분해 단면도6 is an exploded cross-sectional view of the valve structure according to the present invention.

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

50 : 솔레노이드 조립체 52 : 케이스50: solenoid assembly 52: case

54 : 코일 56 : 터미널54: coil 56: terminal

58 : 보빈 60 : 요크58: bobbin 60: York

62 : 코어 64 : 스테이터62: core 64: stator

80 : 밸브조립체 81 : 바디부80: valve assembly 81: body portion

82 : 샤프트 84 : 흡입니플82: shaft 84: suction nipple

86 : 배출니플 88, 150 : 밸브시일부86: discharge nipple 88, 150: valve seal portion

96, 174 : 제1시일부 120 : 영구자석96, 174: part of the first hour 120: permanent magnet

122, 165 : 흡입벽부 124, 164 : 흡입관로122, 165: suction wall 124, 164: suction pipe passage

126, 162 : 배출관로 130, 173 : 배출벽부126, 162: discharge line 130, 173: discharge wall

132 : 오목부 136, 172 : 제2시일부132: recess 136, 172: second seal part

140 : 퇴적물 150 : 밸브시일부140: sediment 150: valve seal portion

152 : 코팅부 176 : 직선부152: coating portion 176: straight portion

178 : 곡선부178: curved portion

이하, 본 발명의 실시예를 첨부한 도면을 참조하여 설명하기로 한다.Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

도 5를 참조하면, 도 1의 B-B선 단면도로서, 흡입관로(164)를 형성하는 흡입벽부(165)는 곡선부(166)로 이루어지고, 배출관로(162)를 형성하는 배출벽부(173)에는 곡선부(178) 및 제1시일부(174)와 상기 곡선부(178) 사이에 직선부(176)가 형성되어 있다.Referring to FIG. 5, a cross-sectional view taken along line BB of FIG. 1, wherein the suction wall 165 forming the suction pipe 164 includes a curved portion 166 and the discharge wall 173 forming the discharge pipe 162. The straight portion 176 is formed between the curved portion 178 and the first seal portion 174 and the curved portion 178.

상기 흡입벽부(165) 및 배출벽부(173)에는 비점착성의 성질을 갖는 코팅재로 코팅된다. 또한, 제2시일부(172) 둘레면 및 밸브시일부(150)에도 비점착성의 성질을 갖는 코팅재로 코팅된다.The suction wall part 165 and the discharge wall part 173 are coated with a coating material having a non-tacky property. In addition, the circumferential surface of the second seal portion 172 and the valve seal portion 150 are also coated with a coating material having a non-adhesive property.

상기와 같은 구성에 의해서 본 발명에 따른 LPG용 아이들 스피드 액츄에이터는 다음과 같이 기능된다.By the above configuration, the idle speed actuator for LPG according to the present invention functions as follows.

흡입관로(164)의 흡입벽부(165)가 곡선부(166)로 이루어지므로, 공기 유량과 흡입벽부(165)간의 마찰력이 저하되고, 흡입벽부(165)에 비점착성 코팅재가 코팅되어 있어, 카본이 흡입벽부(165)에 흡착되지 않는다.Since the suction wall portion 165 of the suction pipe passage 164 is formed of the curved portion 166, the frictional force between the air flow rate and the suction wall portion 165 is reduced, and the non-adhesive coating material is coated on the suction wall portion 165, so that the carbon It is not adsorbed by the suction wall portion 165.

또한, 배출관로(162)의 배출벽부(173)가 곡선부(178) 및 직선부(176)로 형성되어 공기 유량에 와류가 발생하지 않고, 배출벽부(173)에 비점착성 코팅재가 코팅되어 있어, 카본이 배출벽부(173)에 흡착되지 않는다.In addition, the discharge wall portion 173 of the discharge pipe 162 is formed of a curved portion 178 and a straight portion 176, so that no vortex occurs in the air flow rate, and the non-adhesive coating material is coated on the discharge wall portion 173. Carbon is not adsorbed to the discharge wall portion 173.

상기 흡입벽부(165) 및 배출벽부(173)에는 비점착성의 성질을 갖는 코팅재로 코팅된다. 또한, 제2시일부(172)의 둘레면 및 밸브시일부(150)에도 비점착성의 성질을 갖는 코팅재로 코팅된다.The suction wall part 165 and the discharge wall part 173 are coated with a coating material having a non-tacky property. In addition, the circumferential surface of the second seal portion 172 and the valve seal portion 150 are also coated with a coating material having a non-adhesive property.

상술한 바와같이, 본 발명에 따른 LPG용 아이들 스피드 액츄에이터는 카본이 관로에 퇴적되지 않아 밸브시일부와 제1시일부간에 클리언스가 충분히 확보되어, 공기 유량을 최적의 상태로 공급할 수 있게 된다.As described above, in the idle speed actuator for LPG according to the present invention, since carbon is not deposited in the pipeline, a clearance is sufficiently secured between the valve seal portion and the first seal portion, so that the air flow rate can be optimally supplied.

이상에서 설명한 것은 본 발명에 따른 LPG용 아이들 스피드 액츄에이터를 실시하기 위한 하나의 실시예에 불과한 것으로서, 본 발명은 상기한 실시예에 한정되지 않고, 이하의 특허청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자가라면 누구든지 다양한 변경 실시가 가능할 것이다.What has been described above is just one embodiment for implementing the idle speed actuator for LPG according to the present invention, the present invention is not limited to the above embodiment, the gist of the invention claimed in the following claims Various modifications can be made by those skilled in the art without departing from the scope of the present invention.

Claims (1)

공기가 흡입되는 흡입니플(84)과, 공기가 배출되는 배출니플(86)이 구비되고, 상기 흡입니플(84)에서 배출니플(86)로의 배기량을 제어하도록 밸브시일부(88)가 구비되며, 상기 밸브시일부(88)는 제1시일부(96)와의 틈 크기에 의해서 배기량을 제어하며, 샤프트(82)에 장착된 밸브 조립체(80)와,A suction nipple 84 through which air is sucked in, and a discharge nipple 86 through which air is discharged, and a valve seal portion 88 is provided to control an amount of discharge from the suction nipple 84 to the discharge nipple 86. The valve seal portion 88 controls the displacement by the size of the gap with the first seal portion 96, and the valve assembly 80 mounted to the shaft 82, 철성분으로 이루어진 스테이터(64)와, 보빈(58)에 의해서 지지되는 코일(54)과, 상기 코일(54)에 전기를 전달하는 터미널(56)과, 상기 보빈(58)의 외측에 설치된 요크(60)를 포함하는 솔레노이드 조립체(50)로 구성된 액츄에이터에 있어서,A stator 64 made of iron, a coil 54 supported by the bobbin 58, a terminal 56 for transmitting electricity to the coil 54, and a yoke provided outside the bobbin 58 An actuator comprised of a solenoid assembly 50 comprising a 60, 흡입관로(164)를 형성하는 흡입벽부(165)는 곡선부(166)로 이루어지고, 배출관로(162)를 형성하는 배출벽부(173)에는 곡선부(178) 및 제1시일부(174)와 상기 곡선부(178) 사이에 직선부(176)가 형성되고,The suction wall portion 165 forming the suction pipe passage 164 is formed of a curved portion 166, and the curved portion 178 and the first seal portion 174 are formed in the discharge wall portion 173 forming the discharge passage 162. And a straight portion 176 is formed between the curved portion 178, 상기 흡입벽부(165) 및 배출벽부(173), 제2시일부(172) 둘레면 및 밸브시일부(150)에는 비점착성의 성질을 갖는 코팅재로 코팅되는 것을 특징으로 하는 LPG용 아이들 스피드 액츄에이터.Idle speed actuator for LPG, characterized in that the suction wall portion 165 and the discharge wall portion (173), the second seal portion 172, the circumferential surface and the valve seal portion 150 is coated with a coating material having a non-adhesive property.
KR10-1999-0037540A 1999-09-04 1999-09-04 Idle Speed Actuator For LPG KR100396639B1 (en)

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KR100362968B1 (en) * 1999-10-06 2002-11-29 주식회사 케피코 Actuator for controlling air flow rate supplied to vehicle engine idling
KR20010070933A (en) * 2001-06-14 2001-07-27 윤장진 Idle speed actuator for automobile
KR20030045523A (en) * 2001-12-04 2003-06-11 대동모벨시스템 주식회사 Coating method of impurities accumulation prevention layer for a automobile idle speed control actuator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60147731U (en) * 1984-03-12 1985-10-01 日本電子機器株式会社 Drainage device for idle speed control valve
JPS63134145U (en) * 1987-02-25 1988-09-02
JPH01160144A (en) * 1987-12-17 1989-06-23 Nec Corp Demodulating circuit
JPH0454975U (en) * 1990-09-17 1992-05-12
KR930016504A (en) * 1992-01-07 1993-08-26 휘트포드 프래스틱스 리미티드 Non-stick Coating Composition
KR980003114A (en) * 1996-06-27 1998-03-30 강원석 Conduction Gas Shutoff Valve
KR20010002551A (en) * 1999-06-15 2001-01-15 김영환 Purge control solenoid valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60147731U (en) * 1984-03-12 1985-10-01 日本電子機器株式会社 Drainage device for idle speed control valve
JPS63134145U (en) * 1987-02-25 1988-09-02
JPH01160144A (en) * 1987-12-17 1989-06-23 Nec Corp Demodulating circuit
JPH0454975U (en) * 1990-09-17 1992-05-12
KR930016504A (en) * 1992-01-07 1993-08-26 휘트포드 프래스틱스 리미티드 Non-stick Coating Composition
KR980003114A (en) * 1996-06-27 1998-03-30 강원석 Conduction Gas Shutoff Valve
KR20010002551A (en) * 1999-06-15 2001-01-15 김영환 Purge control solenoid valve

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