baber/WOPTO huggingface dataset:
Patent KR-20050010432-A (KR)
Inventor: KIM TAI HEUNG
IPC: H01J9/24
Filed: 2003-07-21
Abstract: PURPOSE: A method for manufacturing a cover glass for a display apparatus is provided to increase productivity by reducing a manufacturing procedure. CONSTITUTION: A rod(150) is made of glass and has a round or square shape. The rod is rotated and heated over 1000°C, preferably 1000°C-1500°C, thereby being fused. The rod is heated until it has yellow. The rod being heated is located over a lower case(210) of a metal mold(200). The fused rod is stored in the lower case. The lower case storing the fused rod is covered by an upper cover(220) and them pressed for 1-5 seconds with a pressure of 1-30kg/cm¬2, thereby producing a cover glass. An ITO(Indium Tin Oxide) is coated on the cover glass, thereby forming a transparent conductive layer.
Patent KR-20050011107-A (KR)
Inventor: JEON SEONG DO
IPC: H01L27/115
Filed: 2003-07-21
Abstract: PURPOSE: A method of manufacturing a flash or EEPROM(Electrically Erasable Programmable Read Only Memory) cell is provided to improve on/off properties by arranging a floating gate around a control gate. CONSTITUTION: A control gate oxide layer(102), a control gate electrode(104) and an insulating layer(106) are sequentially formed on a silicon substrate(100). A floating gate oxide layer is formed thereon. A floating gate electrode(108) for surrounding the control gate electrode is formed on the resultant structure by performing predetermined etching processes on a polysilicon layer. A source and drain junction(112) are formed in the substrate to align the gate structure.
Patent KR-20050010621-A (KR)
Inventor: BACK GYE JU
IPC: B21B37/58
Filed: 2003-07-22
Abstract: PURPOSE: To provide a method for preventing misoperation generated in a manual operation by automatically position controlling roll gap and level in programmable logic controller according to division of the continuous casters of work before rolling the work in finishing mill while storing the optimum gap level in respective continuous casters. CONSTITUTION: The method for automatically setting roll gap level in mini mill process comprises first step of storing roll gap level per each continuous caster by receiving FSU(finishing mill set up) value and continuous caster division information from a supervisory control system; second step of calculating the total oil column setting amount by subtracting the received FSU value from an average oil column value stored already when controlling zero point of roll gap; third step of calculating an oil column level by reading a roll gap level storage value of relevant continuous caster if an automatic mode is set up after checking the key operation state by an operator, and calculating a roll gap level by present work side oil column and present drive side oil column after erasing roll gap level storage values of respective continuous casters if a manual mode is set up; and fourth step of executing automatic position control of work side oil column and drive side oil column by respectively calculating a work side oil column setting amount and a drive side oil column setting amount to which the calculated roll gap level is applied.
Patent KR-20050012012-A (KR)
Inventor: CHOI YONG WON
IPC: A47L9/04
Filed: 2003-07-24
Abstract: PURPOSE: A suction head in a vacuum cleaner is provided to prevent the generation of a non-brushed area by a timing belt in an intake port and to prevent the tangling of hairs or strands by resonating an agitator within a certain angle range and rotating repeatedly. CONSTITUTION: A head casing(102) has a storing space therein and an intake port(101) to suck foreign substances. An intake nozzle(103) is formed in the upper part of the intake port to collect sucked dust or the foreign substances through the intake port. An agitator(104) gathers the dusts to be stuck in the bottom by installing in the intake nozzle to be rotatable. A rotation and resonance device of the agitator(105) rotates the agitator within a certain angle range repeatedly by installing around the agitator and resonates the agitator simultaneously. Thereby, hairs or strands are not tangled in a brush.
Patent KR-20050012305-A (KR)
Inventor: KIM HYEON SU
IPC: G08G1/0968
Filed: 2003-07-25
Abstract: PURPOSE: A navigation system with a hard disk drive is provided to remove the inconvenience of a CD upgrade method by easily upgrading a navigation program stored in a hard disk through a JTAG(Joint Test Action Group), a USB(Universal Serial Bus), and an Ethernet. CONSTITUTION: A telematics terminal(200) mounted on the vehicle includes a hard disk drive, a DVD(Digital Versatile Disc) navigation unit, and an operating unit(230). The hard disk drive(210) mounted in the telematics terminal(200) stores a navigation program and updates navigation data by the same method as reading and deleting files on a disk drive of a general PC(Personal Computer). The DVD navigation unit(220) installed in the telematics terminal loads map data from a DVD inserted therein. The operating unit(230) operates the DVD navigation unit by a button or a remote controller, in order to find and guide the navigation path.
Patent KR-20050015699-A (KR)
Inventor: CHUNG BO SUN
IPC: D06F33/02
Filed: 2003-08-07
Abstract: PURPOSE: A washing method of a washing machine is provided to restrict performance deterioration caused by the breakdown of an electrode sensor by re-setting properly a washing algorism and to use a hardness value memorized in a microcomputer in a preliminary washing course to set the algorism. CONSTITUTION: A washing method of a washing machine is composed of steps for detecting the amount of the laundry received in a washing tub(S1); starting washing the laundry by supplying the water into the tub according to the detected amount of the laundry(S2,S3); judging whether a temperature sensor for detecting the temperature of the water is broken down(S4); judging whether an electrode sensor for detecting conductivity of the water is broken down when the temperature sensor is operated normally(S5); stopping the electrode sensor and loading a hardness value of the water memorized in a preliminary washing course when the electrode sensor is broken down(S7,S8); and executing the washing course by setting a washing algorism with the temperature of the water detected by the temperature sensor and the loaded hardness value(S9,S10).
Patent KR-20040063755-A (KR)
Inventor: TANAKA AKIRA
IPC: H01M8/00
Filed: 2003-08-13
Abstract: PURPOSE: Provided is a fuel cell, which has a simple structure and prevents the degradation of output caused by the contact resistance between a cathode member and/or anode member and an anode. CONSTITUTION: The direct type fuel cell comprises an electrolytic membrane/electrode assembly(4) for generating electric power by supplying fuel and oxygen, a cathode member(5) for supplying oxygen to the electrolytic membrane/electrode assembly(4), and an anode member(6) for supplying fuel to the electrolytic membrane/electrode assembly(4). In the fuel cell, the electrolytic membrane/electrode assembly(4) is supported by the cathode member(5) and the anode member(6). The cathode member(5) and the anode member(6) are bonded by a bonding element to provide the electrolytic membrane/electrode assembly(4) with surface pressure.
Patent KR-20040018985-A (KR)
Inventor: TAKIKURA KOJI
IPC: A01K89/01
Filed: 2003-08-26
Abstract: PURPOSE: To provide an oscillating mechanism for a spinning reel, intended to simplify the anti-slip-off structure of a guide shaft and reduce the design limitations of the reel body. CONSTITUTION: The oscillating mechanism 17 for a spinning reel works to make an axial reciprocating movement of a spool mounted on the spinning reel body interlockingly with the turning of a handle and comprises a slider member 16, a gear member and a guide shaft 35, wherein the slider member is mounted at least axially immovably on a spool shaft with the spool attached onto the tip, the gear member functions to make an axial reciprocating movement of the slider member interlockingly with the turning of the handle, and the guide shaft 35, which is supported on the reel body at two points on the outer circumferential surface and has a circular groove with an axially one-way anti-slip-off mechanism, functions to guide the slider member toward a direction substantially parallel to the spool shaft.
Patent KR-20050022649-A (KR)
Inventor: CHO BYONG YEON
IPC: H01L23/48
Filed: 2003-08-29
Abstract: PURPOSE: A method of manufacturing an array type lead frame package and a lead frame used for the same are provided to enhance the arrangement of lands by forming directly inner lands on a side of a frame pad. CONSTITUTION: A lead frame(40) includes a lead frame pad, a plurality of inner lands and a plurality of outer lands. The lead frame pad(41) has at least one or more sides. The plurality of inner lands(42b) are protruded from each side of the lead frame pad to the outside. The inner lands are spaced apart from each other. The inner lands are enclosed with the plurality of outer lands(42a). The outer lands are also spaced apart from each other.
Patent KR-20050023628-A (KR)
Inventor: KIM YOUNG GYU
IPC: G01K13/04
Filed: 2003-09-01
Abstract: PURPOSE: A method for detecting a friction temperature by a frictional resistance is provided to automatically detect the friction temperature by using the Archard theory. CONSTITUTION: If a pressing roll and a pressed member pressed by the pressing roll are set in a pressing process, thermal conductivities, specific heat, density and temperature conductivities are determined(101). The pressing speed of the pressing roll is compared with the general speed of the pressing roll(102). If the pressing speed of the pressing roll is at least 60% of the general speed of the pressing roll, pressing conditions required for a normal pressing process are input(103). If the pressing speed of the pressing roll is 60% or less of the general speed of the pressing roll, data detected in the pressing roll are not used.
Patent KR-20050024973-A (KR)
Inventor: KIM BONG GI
IPC: G11B7/085
Filed: 2003-09-05
Abstract: PURPOSE: An optical pickup device of an optical disk drive is provided to guide one end of an optical pickup unit on a main guide by a sliding bearing, and to slide other end thereof by contacting a receiving groove with a supplementary guide, thereby reducing a frictional force generated during a reciprocating motion. CONSTITUTION: An optical pickup unit(30) disposed in an optical pickup device(100) is connected to a main guide(43) by a sliding bearing(31). A supplementary guide receiving groove portion(101) is linearly contacted with a supplementary guide(102), and guides a path for the optical pickup unit(30) accessing to and being estranged from a turn table(20). By protruding a sliding projection(101a) in a position opposed to the supplementary guide(102), an external side of the supplementary guide(102) is linearly contacted.
Patent KR-20050025405-A (KR)
Title: Emergency refuging ladder
Inventor: AN JUNG GIL
IPC: E06C9/02
Filed: 2003-09-08
Abstract: An emergency ladder is provided to use as substitute for a guardrail at ordinary times by installing on a guardrail and having a foldaway foothold and to climb up a ladder safely in emergency. The emergency ladders(100,200,300) are composed of vertical bars(101,201,301) and horizontal bars(102,202,302) and installed to a guardrail of a balcony. To make each ladder placed in the outermost ladder(100) and located inward in order from the outermost part, each vertical bar(101,201) of ladders(100,200) except the innermost ladder(300) contains guide grooves(103,203) where other ladders(200,300) located inward are slid, each ladder(100,200,300) contains stoppers respectively to fix adjacent ladders not to fall out, locking devices are installed on both upper ends of the outermost ladder(100) and a locking bar(303) is formed on the upper end of the innermost ladder(300) to lock up the locking device selectively, one side of the vertical bar(101) of the outermost ladder(100) is fixed to one side of the guardrail of a balcony, and a foothold(500) is installed on one side of the ladder(100,200,300) at the same height as the ladders(100,200,300) to be coupled to the guardrail of a ladder and the vertical bar(101) of the outermost ladder(100). The foothold(500) contains a square frame(501) installed into a balcony slab, a foothold member(502) hinged on the inside of the frame(501) to be rotatable, and a guardrail member(503) hinged on the foothold member(502) to be rotatable.
Patent KR-20050027658-A (KR)
Title: Broadcasting system and method using gatekeeper in voice over internet protocol network
Inventor: LEE YOUNG SIN
IPC: H04L12/66
Filed: 2003-09-16
Abstract: A broadcast system and method using a gate keeper in a VoIP network are provided to reduce a cost for installation of a line according to setting a port between switching systems and the amount of operation of a system manager according to setting/expanding/changing of a system. A gate keeper sets a broadcast group with respect to gateways registered for the gate keeper under the control of a broadcast management module(S30). When the gate keeper receives a call setup request from an origination gateway which has been registered for an origination MSC(Mobile Switching Center)(S31), the gate keeper checks whether the corresponding call setup request is an office line call setup request or a broadcast call setup request(S32). If the call setup request is the broadcast call setup request, the gate keeper performs broadcast signaling by using multicast under a control of a multipoint of a multipoint controller(S33).
Patent KR-20050028421-A (KR)
Title: Ramification valve
Inventor: JUNG IN SEEK
IPC: F16K11/00
Filed: 2003-09-18
Abstract: A branch valve is provided to improve assembling performance by combining an elastic member to an elastic member-seating groove and successively combining an opening and closing shaft member and a fitting nipple to a combining part and to facilitate separation of a tube by installing a blade to the outer peripheral surface of a cap. A branch valve comprises a valve body(10) having a passage formed from one side to the other side, and a combining part(12) formed in the perpendicular direction to branch the passage; a fitting nipple(20) having one end combined to the combining part; an opening and closing shaft member(30) having a combining groove formed to the upper part; a collet(40) situated on the top of the opening and closing shaft member; and a cap(50) combined to the outside of the fitting nipple. The valve body has an elastic member-seating groove formed in the combining part. A hermetic part protruded inward is formed to the lower part of the fitting nipple. An opening and closing O-ring(31) is combined to the combining groove. The lower part of the opening and closing shaft member is inserted and slid in a communicating hole formed in the valve body. Plural passage grooves(33) are formed to the middle part of the opening and closing shaft member. The opening and closing shaft member opens and closes branch passages while moving up and down by a connection tube(60) inserted. The collet has plural elastic blades(42) having fitting projections(41) formed to the edge of the lower end to hold the surface of the connection tube. A through hole(51) is formed in the top of the cap and the cap combines and removes the connection tube.
Patent KR-20050029055-A (KR)
Title: Acid-modified novolak resin, manufacturing method thereof and positive photoresist composition containing the same
Inventor: CHA HYUK JIN
IPC: C08F14/04
Filed: 2003-09-20
Abstract: Provided are an acid-modified novolac resin whose dissolution velocity to an alkali developer is controlled according to the acid modification rate, its preparation method, and a positive type photoresist composition containing the resin which is improved in development, resolution and residual film rate. The acid-modified novolac resin is represented by the formula 1, wherein A is an aldehyde derivative; R1 to R4 are independently H or a C1-C6 alkyl group; n is an integer of 0-3; and R is an anhydride derivative selected from the group consisting of phthalic anhydride, succinic anhydride and maleic anhydride. Preferably the acid modification rate of the novolac resin is 5-90 %. The method comprises the steps of reacting the novolac resin represented by the formula 2 with at least one anhydride selected from the group consisting of phthalic anhydride, succinic anhydride and maleic anhydride in the presence of a basic catalyst.
Patent KR-20050030760-A (KR)
Title: Field emission display device
Inventor: CHANG DONG SU
IPC: H01J1/304
Filed: 2003-09-26
Abstract: A field emission display device is provided to prevent an electrode shorting by permitting an anode electrode and a metal mesh grid to endure against an overload even when the anode electrode and the metal mesh grid are over loaded. A field emission display device comprises a first substrate(6) and a second substrate(8) opposed with each other and joined with each other by a sealing member(4) so as to form a vacuum container; an electron emitting source formed on the first substrate; a phosphor screen(26) including red, green and blue phosphor layers formed on the second substrate; an anode electrode(20) formed on at least one surface of the phosphor screen; and a short prevention unit arranged all over the interior and exterior of the vacuum container and connected to the anode electrode such that the short prevention unit prevents a shorting caused due to the contact between the sealing member and the anode electrode.
Patent KR-20040000364-A (KR)
Inventor: KIM JIN WOO
IPC: G09G3/36
Filed: 2003-09-30
Abstract: PURPOSE: A system for managing a material information data base used in a computer simulation analysis of a liquid crystal display and a method for the same are provided to effectively analyze the computer simulation by unifying the file structure and the material information management method. CONSTITUTION: A system for managing a material information data base used in a computer simulation analysis of a liquid crystal display includes a material information management module(100) and a user environment(200). The material information management module(100) includes a material information file stack module(111), a material information file storage module(112), a material generation module(113), a material cancellation module(121), a material adding module(122), a material information update module(123). The user environment(200) includes a material title output module(210), a material information output module and a material information path name management module(230).
Patent KR-20050032864-A (KR)
Title: Device for treating leak water
Inventor: PARK SUNG HOO
IPC: H01L21/304
Filed: 2003-10-02
Abstract: An apparatus for processing a leakage solution of a CMP(chemical mechanical polishing) apparatus for fabricating a semiconductor is provided to prevent the periphery of equipment from being contaminated by a leakage solution by preventing the leakage solution generated from the equipment from overflowing to the outside of the equipment and by immediately draining the overflowed leakage solution. A leakage solution is accepted by a pan(20) installed under a leakage solution detecting apparatus. A detection unit detects whether the leakage solution flows to the pan. An exhaust unit is controlled by a signal of the detection unit and exhausts the leakage solution collected in the pan, connected to the lower part of the pan.
Patent KR-20050033709-A (KR)
Title: Method for manufacturing hot rolled steel strip by continuous hot rolling equipment
Inventor: JANG YOUNG SANG
IPC: B21B1/26
Filed: 2003-10-07
Abstract: To provide a method for bonding both rolled strips at an even temperature by clearing a temperature difference between a tail end of preceding hot rolled strip and a top end of waiting hot rolled strip in continuous hot rolling process, and a continuous hot rolling apparatus for improving rolling efficiency by installing a heating unit between a coil box and a bonding machine. A hot rolling apparatus for continuous rolling comprises: a roughing mill(1) for rough rolling a heated slab; a coil box(10) for storing the coils and supplying the hot rolled strip to a succeeding process after coiling a hot rolled strip(5) rough rolled in the roughing mill into a plurality of coils; a heating unit(30) installed between the coil box and the bonding machine to heat a tail end of preceding hot rolled strip(9) according to control of a heating controller in a process of moving the uncoiled coil after continuously uncoil the coil; a bonding machine(20) for bonding a tail end of the heated preceding hot rolled strip and a top end of succeeding hot rolled strip(7) to each other; and a finishing mill(50) for continuously finish rolling the bonded hot rolled strip.
Patent KR-20050038341-A (KR)
Inventor: LEE JUN HEE
IPC: H04N5/781
Filed: 2003-10-22
Abstract: 본 발명은 디지털 비디오 저장 시스템의 녹화 방법에 관한 것으로, 특히 카메라들의 비디오 신호들을 입력받아 기준 카메라 채널의 비디오 데이터량 및 I 프레임 영상 값을 기준으로 다른 카메라 채널들의 비디오 데이터량과 I 프레임 영상 값을 비교하고, 그 비교 결과에 따라 상관도가 높은 순서대로 카메라 채널 순서로 카메라들의 비디오 신호들을 멀티플렉싱, 압축한 후에 HDD에 기록한다.  그러므로 본 발명은 녹화(REC)시 기준 카메라 채널의 비디오 데이터와 다른 카메라들에서 촬영된 비디오 데이터들의 상관도가 높은 순서에 따라 멀티플렉싱하여 압축한 후에 기록하기 때문에 데이터 압축 효율을 높여 HDD의 데이터 저장공간을 여유롭게 할 수 있다.
Patent KR-20050040033-A (KR)
Inventor: CHOO DAE HO
IPC: B05C5/00
Filed: 2003-10-27
Abstract: 막의 균일성을 확보하기 위한 유기막 형성장치 및 방법이 개시된다. 유기막 형성장치의 분사장치는 제1 내지 제n 열에 각각 배열되고, 이전열에 대하여 제1 거리만큼 시프트된 위치에 형성되는 제1 내지 제n 헤드 유닛을 포함하며, 유기물질을 기판상에 분사하며, 이송장치는 기판을 유기막 인쇄방향으로 이송한다. 따라서, 분사된 유기물질의 드롭간의 간격을 줄일 수 있어 균일한 막 특성을 가지는 유기막을 형성할 수 있다.
Patent KR-20050041416-A (KR)
Inventor: LEE SANG ICK
IPC: H01L21/44
Filed: 2003-10-31
Abstract: 본 발명은 반도체 소자의 제조방법을 개시한다. 개시된 본 발명의 방법은, 반도체 기판 상에 상부에 하드마스크 질화막을 구비한 게이트들을 형성하는 단계와, 상기 게이트들 사이의 기판 표면에 접합영역을 형성하는 단계와, 상기 게이트들을 덮도록 기판 결과물 상에 제1BPSG막을 형성하는 단계와, 상기 게이트의 하드마스크 질화막이 노출되도록 산화막 대 질화막의 연마선택비가 우수한 산성 슬러리를 사용하여 상기 제1BPSG막을 CMP하는 단계와, 상기 CMP된 제1BPSG막 및 게이트 상에 제2BPSG막을 형성하는 단계와, 상기 제2 및 제1BPSG막을 식각하여 게이트 및 게이트들 사이의 접합영역 표면을 동시에 노출시키는 랜딩플러그콘택(landing plug contact)을 형성하는 단계와, 상기 랜딩플러그콘택을 매립하도록 기판 결과물 상에 폴리실리콘막을 증착하는 단계와, 상기 게이트들 사이에 접합영역들과 서로 분리되어 각각 콘택하는 랜딩플러그폴리들이 형성되도록 산성 슬러리를 사용하여 상기 폴리실리콘막과 제2BPSG막 및 게이트 하드마스크 질화막을 CMP하는 단계를 포함한다. 본 발명에 따르면, 층간절연막 물질인 BPSG막과 플러그 물질인 폴리실리콘막에 대한 CMP 공정을 질화막과의 연마선택비가 우수한 산성 슬러리를 사용하여 수행함으로써 셀영역과 주변영역간의 단차 제거를 통해 공정상의 번거로움을 해결할 수 있으며, 또한, 디싱 발생을 억제 또는 최소화시켜 소자 수율 저하를 방지할 수 있다.
Patent KR-20050047334-A (KR)
Inventor: LEE JUNG HOON
IPC: B60R11/02
Filed: 2003-11-17
Abstract: 본 발명은 시트커버가 구비되는 영상시스템 휴대 및 설치용 케이스에 관한 것으로서, 케이스(100)와, 차량의 시트(110)에 장착되는 시트커버(112)를 상호 결합시킬 수 있는 부착수단(120)이 형성되는 것을 특징으로 한다. 따라서 시트커버가 같이 구비되는 케이스를 차량의 시트에 직접 탈, 장착시킴으로서, 설치가 용이하다. 또한, 다양한 색상과 종류의 시트커버를 구비할 수 있어 장식효과를 높일 수 있는 효과가 있다.
Patent KR-20050047705-A (KR)
Inventor: HWANG SEONG TAEK
IPC: H01S3/00
Filed: 2003-11-18
Abstract: 본 발명에 따른 반사형 반도체 광증폭기 광원은, 증폭된 자발 방출광을 생성 및 증폭하기 위한 투과형 반도체 광증폭기와; 상기 반도체 광증폭기로부터 출력된 증폭된 자발 방출광을 반사시켜서 상기 반도체 광증폭기로 입력시키기 위한 반사기와; 상기 반도체 광증폭기와 상기 반사기 사이에 개재되며, 그 사이로 진행하는 증폭된 자발 방출광의 파장 대역을 제한하기 위해 기설정된 투과파장 대역을 갖는 대역통과 필터를 포함한다.
Patent KR-20050047728-A (KR)
Inventor: KIM KI HYEOK
IPC: B60J1/18
Filed: 2003-11-18
Abstract: 본 발명은 테일게이트  글라스의 케이싱 설치구조에 관한 것으로, 테일게이트 글라스(1)에 볼트(2)가 관통되고, 이 테일게이트 글라스(1) 내측으로 부싱(20)이 결합되어 설치되는 케이싱(10)에 있어서, 상기 부싱(20)은 외주면에 단부가 상기 케이싱(10)에 일정부분 오버랩되도록 안착되는 날개부(21)가 형성되어 이 날개부(21)가 차체 진동에 의한 케이싱(10)의 진동을 잡아주어 그 떨림을 최소화할 수 있는 것이다. 
     따라서, 주행중 발생되는 케이싱(10)의 떨림에 의한 소음 및 케이싱(10)과 테일게이트 글라스(1)간의 접촉에 의한 소음을 최소화 하여 승차감을 증대시킬 수 있는 매우 유용한 발명인 것이다.
Patent KR-20050047952-A (KR)
Inventor: PARK MIN GYU
IPC: F02B33/34
Filed: 2003-11-18
Abstract: 본 발명은 디젤엔진 차량의 매연 저감 시스템으로서, 그 구성은 엔진에 흡입되는 공기 중의 먼지를 제거하기 위한 필터기능을 하는 에어크리너; 상기 에어크리너의 전단에 연결 설치되어, 엔진으로의 공기흡입을 위한 제1공기흡기관과 내부에 팬이 설치된 제2공기흡기관; 상기 제2공기흡기관 내부에 설치된 팬을 작동시키기 위한 DC모터; 상기 DC모터의 구동을 위해 전원공급을 위한 전원부; 및 차량의 배기머플러 출구측에 설치되어, 차량의 시동과 동시에 발광하는 발광다이오드와 상기 발광다이오드의 조사광량의 변화를 감지하는 수광포토다이오드로 구성되어, 상기 수광포토다이오드의 전압값을 ECU에서 입력 받아 매연이 다량으로 발생되는 조건인 경우에 상기 DC모터의 구동으로 팬을 작동시켜 공기공급이 이루어지도록 하는 것을 특징으로 한다.