baber/WOPTO huggingface dataset:
Patent KR-20010100589-A (KR)
Inventor: SHIN YUN CHEOL
IPC: H04L12/58
Filed: 2000-05-04
Abstract: 본 발명은 발송자가 웹서버에 접속하여 3차원 가상공간내에서 아바타를 임의대로 행동시키면서 자신의 메시지를 포함시켜 아바타 행위기록 파일을 생성하고 저장하면 아바타 메시지 서버는 해당 수신자에게 아바타 메시지가 도착하였다는 통보 메일을 일반 이메일 서비스를 이용하여 발송하고, 수신자는 웹서버에 접속하여 발송자가 생성한 아바타 행위기록 파일을 재생하여 정보를 전달받는 아바타행위 기록/재생을 이용한 메시지전달 시스템 및 방법에 관한 것이다. 본 발명은 3차원 공간에서 아바타행위를 기록하는 웹서버, 웹서버에 접속하여 웹서버에 저장된 페이지에 들어가 파일처리를 할 수 있는 웹브라우저가 설치된 발송자, 웹서버에 접속하여 웹서버에 저장된 메시지를 읽을 수 있는 웹브라우저와 일반 메일브라우저가 설치되어 있는 수신자가 인터넷을 통해 연결되어 있는 시스템에서 구현된다. 발송자는 웹서버에 접속하여 아바타를 임의대로 행동시키면서 자신의 메시지를 포함시켜 아바타 행위기록 파일을 생성하고 저장하여 수신자에게 아바타 메시지가 도착하였다는 통보메일을 발송한다. 그러면, 수신자는 웹서버에 접속하여 발송자가 생성한 아바타 행위기록 파일을 재생하여 정보를 전달받게 된다.
Patent KR-20000077312-A (KR)
Title: 신규한 에스테르 화합물
IPC: C07C69/753
Filed: 2000-05-18
Abstract: 하기 화학식 1로 표시되는 에스테르 화합물 또는 그의 거울상 이성질체. 
     
       
         
       
     
     상기 식에서, R 1 은 헤테로 원자를 포함할 수 있는 포화 지환 구조 또는 방향환 구조를 갖는 탄소수 4 내지 40의 n가 탄화수소기를 나타내며, R 2 는 탄소수 1 내지 8의 직쇄상, 분지상 또는 환상의 알킬기 또는 탄소수 6 내지 20의 치환될 수 있는 아릴기를 나타내며, R 3 내지 R 12 는 각각 독립적으로 수소 원자 또는 탄소수 1 내지 15의 헤테로 원자를 포함할 수 있는 1가 탄화수소기를 나타내며, 서로 환을 형성할 수 있으며, 그 경우에는 헤테로 원자를 포함할 수 있는 탄소수 1 내지 15의 2가 탄화수소기를 나타내며, R 3 내지 R 12 는 인접하는 탄소와 결합하는 것 끼리 아무것도 개재시키지 않고 결합하여 이중 결합을 형성할 수 있고, n은 1 내지 8의 정수이다. 
     본 발명의 에스테르 화합물을 배합한 레지스트 재료는 고에너지선에 감응하여 감도, 해상성, 에칭 내성, 보존 안정성이 우수하기 때문에, 전자선 또는 원자외선에 의한 미세 가공에 유용하다.  특히 ArF 엑시머 레이저, KrF 엑시머 레이저의 노광 파장에서의 흡수가 작기 때문에, 미세하며 또한 기판에 대하여 수직인 패턴을 용이하게 형성할 수가 있다는 특징을 갖는다.
Patent KR-20000054292-A (KR)
Inventor: YUN JEONG HYEON
IPC: G06Q50/10
Filed: 2000-05-31
Abstract: PURPOSE: A method for playing a game with a mouse on the network and the recording media are provided so that a plurality of users can enjoy a DDR(Dance Dance Revolution) game using their mouses on the internet and confirm their points and ranking. CONSTITUTION: A user is connected with the homepage of a DDR game site(302) and performs the game(304). If the user finishes playing the game(306), the points and ranks of gamer are displayed(308). If the user was ranked within a required ranking, for example, ranking No. 100, the user's ID and ranking are recorded and updated among the best member top 100. If the user was ranked within a preset ranking to win a gift(310), a congratulation message is displayed(312) and the gift is provided to the user(314).
Patent KR-20000058481-A (KR)
Inventor: O SEUNG HUN
IPC: B65D63/00
Filed: 2000-06-01
Abstract: PURPOSE: A velcro type band strap is provided to easily use a band strap at a low cost and reuse the band strap by using a velcro member. CONSTITUTION: A velcro type band strap includes a bendable strap(1) having a predetermined width and length, an insertion hole(2) formed at one end of the strap so that the other end of the strap is inserted and pierced. One surface of the strap is processed by male velcro member(4) or female velcro member(5) and the other surface is processed by female velcro member or male velcro member attachable thereto at the opposite surface, so that the velcro type band strap winds an object, inserts one end into the insertion hole, and then pressedly contacts one surface of the strap to the opposite surface for fixedly binding.
Patent KR-20010109934-A (KR)
Inventor: SHIN DONG MO
Filed: 2000-06-05
Abstract: 본 발명은 은(Ag)을 도금한 바탕에 파라듐(Pd : Palladium), 로듐(Rh : Rhodium)을 반응시켜 피막을 입히고 탄소(C)의 윤활성을 보완하여 전류의 흐름과 미끄럼을 향상시키도록 하는 은을 이용한 합금흑연의 도금방법에 관한 것이다. 
     전기 기기의 도금된 부위가 경도 및 밀착성과 내마모성에 문제가 있어 은도금면이 손상되며 전기적 열을 발생시키거나 동작이 원활하지 못하였다. 
     따라서 본 발명은 은(Ag) - 50%, 파라듐(Pd) - 10%, 로듐(Rh) - 20%,흑연(C)분말 - 20%를 혼합하여 도금액을 조성한 후 온도 18∼30℃의 상온을 유지하면서 산성타입에서 pH 2∼3이 되도록 하며, 1∼2Å의 전류가 흐르도록 하여 고정측(1)과 가동측(2)의 필요부위 내부를 약 5분동안 도금하여 완성됨을 특징으로 하는 것으로 내식성을 강화하고 마모성을 방지하며 전류와 미끄럼이 좋고 지속성을 향상시키는 것이다.
Patent KR-20010109972-A (KR)
Inventor: KIM GEUN BAE
Filed: 2000-06-05
Abstract: 본 발명은 1전원 2로체 전기로에서 조업의 능률 및 생산성을 향상시킬 수 있도록 각 쉘에 투입된 전력량을 적산 관리할 수 있는 전기로의 전력량 제어장치 및 제어방법에 관한 것이며, 전기로 A쉘 및 B쉘의 조업을 전반적으로 제어하는 조업 제어부, 상기 조업 제어부의 제어에 따라서 교류전력의 공급/차단하며 공급시 공급개시 신호를 발생시키는 스위칭부, 상기 스위칭부가 턴-온되어 상기 교류전력이 공급되면 펄스신호를 주기적으로 발생시키는 펄스변환부, 상기 스위칭부를 통하여 공급되는 교류전력을 정류하는 정류부, 조업 제어부의 제어에 따라 상기 정류부에 의해 정류된 전력을 A쉘 혹은 B쉘로 절환하고 A쉘 절환 신호 혹은 B쉘 절환신호를 발생시키는 전력절환부, 상기 공급개시신호 및 절환신호에 따라 상기 펄스변환부에서 발생되는 펄스를 카운팅하여 실제 투입전력을 산출하여 상기 조업 제어부로 전송하는 전력량 산출 수단을 포함하여 이루어져 조업중 전력량이 리세트 되지 않고 적산됨으로써 실제 투입 전력량을 산출함으로써 정확한 제어가 가능하며, 전력 절감 및 제강시간을 단축시킬 수 있다.
Patent KR-20010112532-A (KR)
Inventor: LEE EUN HEE
Filed: 2000-06-07
Abstract: Optical blocks (L1-BL3) are placed in tandem. The optical block (BL1) receives primary light from a primary light source (L1). Other primary light sources (L2, L3) are placed in recesses formed near the optical blocks (BL1, BL2) to supply primary light to optical blocks (BL2, BL3). Adjacent optical blocks have tongue-shaped overlapping parts (17a, 17b, 27a and 27b) and bandlike overlapping parts (17c, 27c), so as to avoid the lack of luminance that can be caused by the electrodes of both ends of the primary light sources (L2, L3). Optical blocks (BL1-BL3) may be formed integrally with optical plates. The primary light sources (L1-L3) can include electrodes curved at both ends. This compact structure provides a lighting panel that has a wide luminous area.
Patent KR-20010112568-A (KR)
Title: Fixing fuse device
Inventor: PARK JAE YEOL
IPC: H01H85/20
Filed: 2000-06-09
Abstract: This invention is directed to cyclic and acyclic analogs of hPTH(1-34) and hPTHrP(1-34), to pharmaceutical compositions comprising these peptide compounds, and to a method of treating diseases associated with calcium regulation in the body.
Patent KR-20010111723-A (KR)
Inventor: CHOI YANG DO
IPC: C12N5/10
Filed: 2000-06-13
Abstract: 본 발명은 신규의 자스몬산 메칠화효소(S-adenosyl-L-methionine:jasmonic acid carboxyl methyltransferase) 유전자 및 그로부터 합성되는 신규 자스몬산 메칠화효소 단백질과 상기 유전자를 포함하는 발현벡터로 형질전환된 식물체에 관한 것이다.  상기 효소는 자스몬산과 S-아데노실 메치오닌을 기질로 하여 자스몬산 메칠에스터를 합성하는데 이 물질은 식물체의 성장조절 및 병해충의 침입에 대항하는 반응을 매개하는 것으로 알려져 있다. 꽃에서 특이적으로 발현되는 상기 신규 유전자를 식물체에 도입하여 과다 발현시킴으로써 식물의 성장에는 영향이 없으면서 각종 식물 병해충 및 스트레스에 대한 저항성을 나타내는 형질전환 식물체를 얻을 수 있다.
Patent KR-20010049621-A (KR)
Inventor: CHEN YUANNING
IPC: H01L29/51
Filed: 2000-06-24
Abstract: PURPOSE: A process for manufacturing an oxide is to provide a low coupling density and a low interface trap density and to planarize the interface between the oxide and a substrate, by using silicon that can be oxidized at a critical temperature which is a viscoelastic temperature of a silicon dioxide, as the substrate. CONSTITUTION: The first oxide portion(31) is formed on the substrate(22) at a temperature lower than the critical temperature. The second oxide portion(32) is formed under the first oxide portion at a temperature higher than the critical temperature. The substrate is cooled at a controlled rate at which the first oxide portion functions as a stress sink regarding the second oxide portion.
Patent KR-20020003952-A (KR)
Title: Taxi Marketing& Advertisement
Inventor: NO HYO KYUN
Filed: 2000-06-24
Abstract: PURPOSE: A taxi marketing and advertising business method at an on-line and an off-line being objected to a taxi passenger and using a taxi driver as a marketer is provided to enable a taxi driver to sell and deliver products. CONSTITUTION: Information with respect to a specific commodity which is not obtained through an off-line easily is arranged in an Internet shopping mall and in a taxi. If a commodity is sold by a taxi passenger, the commodity is delivered to a wanted place at a wanted time by a taxi driver as a marketer. Also, an accumulated cashback point in accordance with the commodity purchase may be used in paying a portion of a taxi fare.
Patent KR-20000059050-A (KR)
Inventor: KIM TAE HYEONG
IPC: B01D39/20
Filed: 2000-07-11
Abstract: PURPOSE: A sheet metal for filter and a filtering apparatus are provided to accomplish improvements enabling a large volume of fluid to be filtered without a pressure drop by expanding a contact area between the fluid and a fluid flow groove formed at a filtering ring. CONSTITUTION: A sheet metal comprises a filtering ring(14,23) having at a surface thereof fine fluid flow grooves penetrating an inner end and outer end of the filtering ring, a guide portion having a guide hole formed at a center thereof with respect to the filtering ring, the guide hole for stacking sheet metals, and a connecting plate for connecting the inner end of the filtering ring, wherein the filtering ring is formed along a simple closed curve having a plurality of inflection points.
Patent KR-20020010066-A (KR)
Title: Web Page value-added
Inventor: YU CHOON YEOL
IPC: G06F17/00
Filed: 2000-07-28
Abstract: PURPOSE: A value added web page is provided to enable a user to use value added data. CONSTITUTION: If a user(1) inputs the corresponding URL in a web browser in order for the user(1) to access a specific URL on the Internet, the user is moved to the URL. When data are called by accessing to the corresponding URL and watched to a user(1), other data are called and watched to the user(1). If the user(1) inputs the URL in an address space of the web browser or clicks a linked address, a web site(2) calls data and the data are displayed on the web browser. A notice board and data of notice board data may be called from a server(3) having web data of a notice board. If the user(1) inputs the corresponding URL for a movement, data calling of a URL + other URL must be performed by snapping the corresponding URL. For example, the corresponding URL is a "www.abc.com", if the URL is called, other URL calls data of "www.add.com/abc-cgbin", thus other data must be overlapped on the web data of the "www.abc.com".
Patent KR-20020011537-A (KR)
Title: X-ray protective circuit
Inventor: KIM BYEONG HAK
IPC: H05G1/54
Filed: 2000-08-02
Abstract: PURPOSE: An X-ray protection circuit is provided to form a circuit for dropping an input voltage of an X-ray by using a dropping effect of a supply voltage in a temporary power failure. CONSTITUTION: A voltage applied to the third wire of an FBT(303) is rectified by a diode(D1). The rectified voltage is smoothened by a capacitor(C1). The smoothened voltage is divided by sizes of division resistances(R1,R2). A horizontal oscillation portion(300) generates a horizontal drive signal to a horizontal drive portion(301) when a voltage of a minus input terminal of a comparator(306) is higher than the voltage of a plus input terminal of the comparator(306). The horizontal oscillation portion(300) is not operated and an X-ray protection circuit is operated when the voltage of the minus input terminal of the comparator(306) is lower than the voltage of the plus input terminal of the comparator(306).
Patent KR-20020010421-A (KR)
Title: A digital circuit breaker system
Inventor: KIM YOUNG KWAN
IPC: H01H83/00
Filed: 2000-08-05
Abstract: PURPOSE: A digital circuit breaking device is provided to protect the power transmission line and load in an effective manner by integrating a circuit breaker, switch and electric relay into a single system. CONSTITUTION: A digital circuit breaking device comprises a fixed contact(15a) arranged onto a power transmission line; a movable contact(15b) for opening/closing the power transmission line by selectively contacting the fixed contact; a current sensor(12) connected to the power transmission line, and which senses the current flowing at the line; a control unit(11) for comparing the signal input from the current sensor and the reference value, judging whether an abnormality exists in the power transmission line, and generating a contact driving signal; an actuator(13) for allowing the movable contact to selectively contact the fixed contact by driving the movable contact in accordance with the contact driving signal output from the control unit; a support(10) arranged inside of the circuit breaking device; and a closing bar(16) hinge-coupled to the support so as to support the movable contact.
Patent KR-20020012911-A (KR)
Title: A chemical liquid supply system for fabricating semiconductor
Inventor: YOON BYEONG TAE
IPC: H01L21/027
Filed: 2000-08-09
Abstract: PURPOSE: An apparatus for supplying chemical liquid for manufacturing a semiconductor is provided to prevent a defect of a development process when the spray of the chemical liquid is stopped, by periodically and automatically exhausting bubbles accumulated in a filter. CONSTITUTION: The chemical liquid pressured in a chemical liquid tank(1) is filtered in a filter(10), and the filtered chemical liquid is selectively supplied to the surface of a wafer(6) when a valve turns on/off. A bubble exhaust unit which periodically and automatically exhausts the bubble of the chemical liquid accumulated in the filtering process of the chemical liquid, is attached to the filter.
Patent KR-20010070018-A (KR)
Title: Rotation-transmitting mechanism and Apparatus for rolling or unrolling a flexible sheet for a greenhouse using the same
Inventor: HOSHINO TAKASHI
IPC: A01G9/24
Filed: 2000-08-10
Abstract: PURPOSE: Provided are a rotation-transmitting mechanism and an apparatus for winding a flexible sheet for a greenhouse using them. CONSTITUTION: The side edge faces(43a and 43b) of an actuation piece(43) on the input side of an input shaft(40) arranged to be positioned between the inner faces of individual hooked parts(31),(32) formed on a coil spring(30) to be arranged in a casing, are formed so that they may push the positions more inside than the hooked positions of the hooked parts(31 and 32) toward the inside face of the hooked parts(31 and 32). Thus, the transfer loss of rotary power can be reduced, as the coil spring(30) on the side edge faces(43a and 43b) of the actuation piece(43) on the input side is quickly wound up toward the inner faces of the hooked parts(31 and 32) and can shrink the diameter with the resistance of the spring decreased.
Patent KR-20010082513-A (KR)
Title: Novel Onium Salts, Photoacid Generators for Resist Compositions, Resist Compositions and Patterning Process
Inventor: KUSAKI WATARU
IPC: C07C309/71
Filed: 2000-08-14
Abstract: PURPOSE: Provided are a novel onium salts suitable for use in a resist composition, such that the resist composition ensures a high resolution and a well-defined pattern profile after development and minimizes defects(residues) left after development and resist removal, a photoacid generator for resist compositions, a resist composition comprising the onium salt, and a patterning method using the same. CONSTITUTION: The onium salt is represented by general formula(1). In the formula(1), R1 is a 1-10C straight-chain, branched or cyclic substituted or unsubstituted alkyl group or 6-14C substituted or unsubstituted aryl group; R2 may be the same or different and denotes hydrogen atom, a 1-6C straight-chain, branched or cyclic substituted or unsubstituted alkyl group; p is an integer of 1-5, and q is an integer of 0-4, and p+q=5; R3 may be the same or different and denotes a 1-10C straight-chain, branched or cyclic substituted or unsubstituted alkyl group or a 6-14C substituted or unsubstituted aryl group; M is sulfur atom or iodine atom, provided that when M is sulfur atom, a is 3, and when M is iodine atom, a is 2.
Patent KR-20010030126-A (KR)
Title: Organic Electroluminescent Device
Inventor: FUJIKAWA HISAYOSHI
IPC: C07D491/16
Filed: 2000-08-24
Abstract: PURPOSE: To improve color purity of the emitting light particularly in a green color area, and to improve light emitting efficiency and durability by including a coumarin derivative. CONSTITUTION: A coumarin derivative included in an organic EL element is expressed by the formula. In the formula, R1 to R4 respectively independently represent an alkyl group or an alkoxy group, R5, to R8 respectively independently represent a hydrogen atom, a cyano group, a nitro group, a carboxyl group, an aryl group, an alkyl group, an alkoxy group, a heterocyclic group or a polycyclic aromatic hydrocarbon radical, the heterocyclic group may have a substituent, and R5 to R8 may form a condensed ring. Since many of this coumarin derivative have an emission maximum in a visible area having a wave length shorter than a wavelength of 600 nm, particularly, a green color area in the vicinity of a wavelength of 530 nm and form a stable thin film in a glass state, these are extremely useful as a light emitting agent for an organic EL element.
Patent KR-20020025379-A (KR)
Inventor: LEE JIN YEONG
IPC: H01M10/0525
Filed: 2000-09-28
Abstract: PURPOSE: A lithium secondary battery is provided, to improve the physical properties and ion conductivity of a separator and the adhesive power between an electrolyte and an electrode plate by forming the organosilane self-assembly layer on the surface of a separator. CONSTITUTION: The lithium secondary battery comprises a cathode containing a lithium complex oxide; an anode containing a carbon material or a graphite material; a separator placed between the cathode and the anode; and an electrolyte solution containing a lithium salt and an organic solvent, wherein the separator comprises a polymer having a OH group, and the organosilane self-assembly layer is formed on the surface of the separator. The polymer having a OH group is a homopolymer, a copolymer or their blending polymer having a repeating unit selected from the group consisting of acrylate, methacrylate, ethylene glycol bismethacrylate, ethoxylated bisphenol A dimethacrylate, vinyl acetate and vinyl alcohol. The organosilane forming the self-assembly layer is at least one selected from the group consisting of aminopropylmethyldimethoxysilane, aminopropylmethyltriethoxysilane and alkyltrichlorosilane.
Patent KR-20010070130-A (KR)
Title: Non-volatile semiconductor device and non-volatile semiconductor memory device for storing multi-value information
Inventor: SUZUKI KAZUTERU
IPC: H01L27/112
Filed: 2000-10-07
Abstract: PURPOSE: To decrease the number of times of switching gate voltage by decreasing the number of required thresholds, to eliminate the need for pre-charge technology in operation reading multi-level data from a non-volatile memory, and to reduce transient difficulty of design of a non-volatile semiconductor storage device using a multi-level technology. CONSTITUTION: This memory is provided with first and second gate electrodes arranged on a channel region between diffused layers forming a source and a drain of a transistor, first and second channel sections opposing to these electrodes, when one value is read from a non-volatile memory in which a threshold is written in each of the first and the second channel sections, after thresholds written in the first and the second channel sections are discriminated, combination of the discriminated thresholds of the first and the second channel sections is outputted as one value.
Patent KR-20010000608-A (KR)
Inventor: JEONG HYUNG DONG
IPC: H02N3/00
Filed: 2000-10-09
Abstract: PURPOSE: A generator converting a kinetic energy into an electric energy is provided to be used in an electric circuit instead of a battery by charging an electric energy which is generated by a moving means. CONSTITUTION: A cover(12) covers an opening of a case. A plurality of moving elements(20) include magnet rods(22) and carbon rods(24) having predetermined thickness and disposed alternately. Magnet rods(26) are disposed above and below the respective moving elements(20). The moving elements(20) move up and down parallel with each other. Each stator(30) includes a coil wound around a flange(34). The stator(30) generates an induced electromotive force by converting a kinetic energy into an electric energy by a line of magnetic force output from the magnet of the moving element(20). Electrical insulating plates(40) are mounted between the respective stators(30). Each stator(30) is disposed at the middle of each moving element(20). An insulating pipe(50) surrounds each moving element(20).
Patent KR-20020028484-A (KR)
Title: Method for reading out data of a memory cell
Inventor: CHOI SEUNG UK
IPC: G11C11/22
Filed: 2000-10-10
Abstract: PURPOSE: A method of reading out information in memory cell is provided to judge an information state by sensing a variation of a drain voltage. CONSTITUTION: The first voltage is applied to a control gate of a flash memory cell in the stat that a voltage lower than a power supply voltage is applied to a drain of the flash memory cell and that a source and a bulk thereof are grounded(10). A voltage variation amount of the drain is detected so as to read out information based on the voltage variation(20). If no drain voltage variation arises, the second voltage is applied to the control gate of the flash memory cell(50). A voltage variation amount of the drain is detected so as to read out information based on the voltage variation(60).
Patent KR-20020028543-A (KR)
Title: Method and device for display use of washing machine
Inventor: CHO SEONG JIN
IPC: D06F33/02
Filed: 2000-10-10
Abstract: PURPOSE: A method and a device for indicating user's manual of a washing machine are provided to allow a user to refer to the manual at any time that the user wants to see the manual. CONSTITUTION: A device for indicating user's manual of a washing machine includes a display part(40), a memory(30) and a control part(20). The display part has a plurality of menus for guiding a user about all laundry strokes by each step to help the user's laundry strokes and about use methods for use of the menu selected by the user. The memory stores data of use methods of all menus displayed on the display part. The control part controls to display the data of use methods stored in the memory on the display part.
Patent KR-20010007881-A (KR)
Inventor: HEO YOUNG KUK
IPC: G06F17/00
Filed: 2000-10-16
Abstract: PURPOSE: An internet service method is provided to enable an internet user to download or install a character operation program in a terminal, and call the character and request a help to the character when the user faces a problem during a web surfing. CONSTITUTION: An internet service method comprises the steps of a user accessing a character service web site, the user selecting a sort of the character in the web site, the user interacting with the selected character in the web site, the user performing a member subscription process, downloading a character operation program to a user terminal, installing the character operation program to the user terminal, making a character activation icon at a bottom tool bar in the user terminal, calling the character by clicking the character activation icon or inputting a name of the character, making the character explain each step or difficulty in proceeding a web surfing, and completing the character operation.
Patent KR-20020030354-A (KR)
Title: Air supply system for exhaust gas recirculation
Inventor: JANG GYEONG IK
IPC: F02M25/07
Filed: 2000-10-17
Abstract: PURPOSE: An auxiliary air supply apparatus of an EGR(Exhaust gas recirculation) system and a control method thereof are provided to improve performance of an engine by installing a smoke filtering unit in an EGR passage, and to reduce harmful exhaust gas by supplying remaining air from an air compressor to the EGR system. CONSTITUTION: An auxiliary air supply device of an EGR system is composed of an air compressor(54) connected to an air pipe(66) to supply air to a recirculation pipe(36) between an EGR valve(38) and an EGR cooler(44); a turbo charging pressure sensor(56) detecting supercharge pressure of air from the air pipe; a governor(58) installed in the air pipe to discharge air; an air tank(62) divided into branch pipes to charge air in the air pipe; a 2-way valve(60) installed in the air pipe to supply air to a recirculation pipe; a check valve(64) regulating supply of air to the recirculation pipe; and an electronic control unit(48) connected to a direction change valve, the EGR valve, the turbo charging pressure sensor and the 2-way valve electrically to detect the signal and transmit the control signal. Harmful exhaust gas is reduced with using remaining air from the air compressor, and performance of the engine is improved with installing the smoke filtering unit in the EGR passage.