baber/WOPTO huggingface dataset:
Patent KR-20090014074-A (KR)
Title: Alphabet inputting system for mobile terminal
Inventor: LEE HO YOUN
IPC: G06F3/023
Filed: 2007-10-02
Abstract: An alphabet input system of mobile communication terminal is provided to make anyone remember easily combination using combination of symbol having a basic shape of alphabet, to input easily and rapidly alphabetic characters. A line and a circle of fixed shape are allocated to square key of a terminal keypad. Alphabetic characters are input according to operation of users into the combination of the inputted circle and the line. A mode conversion key is converted into a direction key mode or a character input mode whenever is pushed one time when the English characters are inputted. A "#" key preforms spacing function when is pushed one time and uppercase/lowercase conversion function or special character display function when is pushed two times. English word including initial letter of English words stored in a database of internal memory is provided to a sub menu screen according to input order if only two or more initial letters are inputted while the English words are inputted by the combination of keypad.
Patent KR-20080031812-A (KR)
Title: Single track layer stator terminal assembly
Inventor: NEET KIRK
IPC: H02K3/46
Filed: 2007-10-04
Abstract: A phase track layer stator terminal assembling body is provided to reduce the thickness and be simply assembled to reduce the performance of electric machines such as the cooling ability of a rectifier. A phase track layer stator terminal assembling body(10) includes a pair of track sets(30,32). The track sets are symmetric to each other. Each of the track sets has at least five electric conductive tracks(12,14,16), a terminal connector(28), and two diode connectors(34). The phase track layer stator terminal assembling body further includes a non-conductive casing. The five electric conductive tracks are located to obtain the electric connection between the lids among the plurality of the lids which are extended from the stator which is located at an arc near a rectifier bridge and an electric motor. The non-conductive casing partly covers the five tracks.
Patent KR-20090034256-A (KR)
Inventor: NO SUNG HEE
IPC: F04D25/08
Filed: 2007-10-02
Abstract: A distant direction electric fan is provided to blow the wind within 360 degree and to connect other product. A distant direction electric fan comprises as follows. The centrifugal force of the wind which is generated when the electric fan rotates is maximized in a conic screw(4) hanging upon the ceiling of a stabilizing network(5) and a snail type wing(3). The wind is radiated to the distant country flavor of figure 360. The vane is rolled up according to the diagonal of figure 45 as the length of the wing pillar to the end part.
Patent KR-20090036245-A (KR)
Title: Speaker apparatus
Inventor: KIM JUNG BUM
IPC: H04R1/02
Filed: 2007-10-09
Abstract: A speaker apparatus is provided to increase satisfaction of a user by mounting a different kind of a diffuser according to a position and a symbol of the user. A speaker unit includes a speaker unit(2), a case(3), and a diffuser. The speaker unit is received in the case. The diffuser is arranged in front of an output unit of the speaker unit. The diffuser includes a reflective unit and a support unit. The support unit supports the reflective unit. A holder(4) supports the diffuser. The support unit is fitted in the holder. The reflective unit becomes larger as the reflective unit becomes far away from the speaker unit. The speaker unit includes a voice coil, a yoke, a diaphragm, an equalizer, and a horn. The voice coil horizontally moves by the reaction with the magnet. The horn diffuses the reproduced sound.
Patent KR-20090036440-A (KR)
Title: Apparatus and method for manufacturing interior or facing panel of a building
Inventor: KIM EUN JA
IPC: E04C2/26
Filed: 2007-10-09
Abstract: An apparatus and method for manufacturing interior or facing panel made of Styrofoam is provided which weight is light and its installation is simple and do not affect a building load. An apparatus for manufacturing interior or facing panel made of Styrofoam comprises a conveying device equipped with a plurality of rollers and a driving device rotating the rollers; a mortar stacking unit(20), housing an Styrofoam body(10), in which an inlet and an outlet are formed; a press unit compressing the top of the Styrofoam body downward; and a frame(40) supporting the conveying device, the mortar stacking unit, and the press unit. The top of the Styrofoam body is three-dimensionally formed. The section type of the inlet and outlet conforms to the Styrofoam body.
Patent KR-20090036730-A (KR)
Title: An aluminum cover for protecting a golf course green
Inventor: SONG HONG SIK
IPC: A63B69/36
Filed: 2007-10-10
Abstract: An aluminum cover for the golf green protection is provided, which makes use convenient and improves workability and insulation property. An aluminum cover for the golf green protection comprises: aluminized deposited cloth(10) which is woven from a translucency yarn consisting of the polyethylene and an aluminized yarn in which aluminum is deposited in the translucency yarn and forms the fixed area; a selvage(20) which fixes edge part of the aluminized cloth through a plurality of line of ridges(21) and surrounds the edge part of the aluminized cloth; and a handle(30) of the annular shape which an operator can grip.
Patent KR-20090037677-A (KR)
Title: Method for providing electronic document relay service
Inventor: JANG HEE MOON
IPC: G06F17/21
Filed: 2007-10-12
Abstract: A method for providing electronic document relay service is provided to relay an electronic document between a user terminal and an electronic document repository by using a relay server. An electronic document storage request is received from a terminal of A user(S104). The electronics document storage request includes an electronic signature of the user A, acknowledgement request information of a user B, and an electronic document. An electronic document is stored(S105). It is determined whether acknowledgement request information from another person besides the user A exists in the electronic document. A confirmation of a content of the electronic document is requested based on the acknowledgement request information of the user B to a terminal of the user B(S106). The authentication information is received from the terminal of the user B to confirm the user B(S109). The confirmation of a content of the electronic document is requested to the terminal of the user B. The electronic document is transmitted to the electronic document repository, and it is requested to keep the electronic document(S113). The electronic document includes the electronic signature B of the user B and electronic signature A.
Patent KR-20090039292-A (KR)
Title: The method of preparing pottery of function
Inventor: KIM SANG GIL
IPC: C04B33/04
Filed: 2007-10-18
Abstract: A method for manufacturing functional porcelain is provided to show excellent food storage capability for a long term, which results from powerful anion-generation and far-infrared ray-radiation effects and absorb bad smells while securing antibiosis, adsorption and antifungal effects. A method for manufacturing functional porcelain comprises the following steps of: preparing compositions for the functional porcelain; plasticizing the prepared compositions; compressing the plasticized compositions looking like pieces of stings to make intensive bands; molding the compositions into the functional porcelain; primarily sintering the functional porcelain; applying colored glaze to the functional porcelain; and secondarily sintering the functional porcelain. A composition of the functional porcelain contains 37-43% of fined loess, 14-18% of clay, 13-17% of feldspar, 26-30% of kaolin, 1.5-2.5% of illite and 1-1.55% of monazite. The intensive bands are prepared by compressing the dozens of plasticized compositions looking like pieces of stings together.
Patent KR-20090040714-A (KR)
Title: Printed circuit board exposure apparatus where fine circuit pattern can be formed
Inventor: JO PIL RAE
IPC: H01L21/027
Filed: 2007-10-22
Abstract: A printed circuit board exposure apparatus where fine circuit pattern can be formed, is provided to prevent the deformation of a working sheet, to reduce the failure rate of products, and to reduce the exposure operation time by improving the transmittance of ultraviolet ray. A printed circuit board exposure apparatus(100) exposes a printed circuit board by pressurizing a working film to form circuit patterns. The exposure apparatus comprises a pressing plate(600) made of synthetic resin material installed on a pad of a table(200) where the printed circuit board is installed. The pressing plate is manufactured with the acryl material.
Patent KR-20090041164-A (KR)
Title: Digital image processing appratus and method displaying distribution chart of color
Inventor: KIM EUN YOUNG
IPC: H04N9/04
Filed: 2007-10-23
Abstract: A digital image processing apparatus and a method for displaying distribution chart of color are provided to calculate a color distribution chart of a displayed image and to indicate the color distribution chart in a part of the image. A memory(39-1) stores a color information table. A searching unit(39-2) searches color information matched with an RGB signal of a live view image displayed in a display unit(23) from the memory. A color distribution calculation unit(39-3) calculates a main color signal of the live view image and distribution of sub color signals from the color information searched in the searching unit. A control unit performs a control operation to indicate color distribution of main and sub color signals outputted from the color distribution calculation unit on the display unit.
Patent KR-20080037540-A (KR)
Title: High-pressure injection moulding process for the production of optical components
Inventor: SALEWSKI KLAUS
IPC: B29C45/76
Filed: 2007-10-24
Abstract: A high pressure injection molding process for production of optical components is provided to avoid material-dependency and process-dependency of molded products. A high pressure injection molding process for producing transparent thick-walled components of thermoplastic polymer includes a step of injecting molten polymer into the cavity of a mold(1,2) and filling the cavity, a step of applying hydraulic retention subsequent pressure of 1000 bar(100 MPa) or higher, and a step of maintaining the high pressure action while cooling the molten polymer.
Patent KR-20090045972-A (KR)
Inventor: BECK JONG MIN
IPC: G06Q50/10
Filed: 2007-11-05
Abstract: 본 발명은 각기 다른 기준을 통해 산출된 추천 결과를 하나로 통합하여 제공하기 위한 추천 통합 시스템 및 방법에 관한 것이다. 
     본 발명은 추천 통합 서버의 전체적인 동작을 제어하는 제어부; 타 서버와 정보를 송수신하는 정보 송수신부; 추천 통합 서버 상에서 이전에 추천된 결과를 저장하고, 포털 서비스를 제공하는 서버로부터 전송되는 추천 조건을 포함하는 추천 요청 메시지를 수신하면, 제어부의 제어에 따라 이전의 추천 결과로부터 추천 조건에 매칭되는 추천 결과가 존재하는지 여부를 확인하고, 존재하는 경우, 해당 추천 결과를 포털 서비스 서버로 제공하는 추천 결과 저장부; 추천 조건을 복수의 추천 엔진으로 전송하여, 추천 조건을 기준으로 한 추천 결과를 요청하고 추천 대상별 유사도 정보를 포함하는 추천 결과를 수신하면, 추천 엔진별 추천 결과와 추천 엔진에 대해 기 설정된 가중치를 이용하여 추천 결과를 통합 처리하도록 하는 추천 처리 중계부; 및 추천 처리 중계부로부터 전송되는 추천 결과와 추천 엔진별 가중치를 기 설정된 통합 조건에 적용하여 통합된 추천 결과를 산출하고, 이를 포털 서비스 서버로 전송하는 추천 통합 처리부;를 포함하여, 서로 다른 기준을 통해 산출된 복수의 추천 결과를 하나로 통합하여 제공하기 때문에, 하나의 기준을 통해 산출된 종래의 추천 결과에 비해 보다 다양한 기준이 적용된 추천 결과를 사용자에게 제공할 수 있다는 장점이 있다.
Patent KR-20090047809-A (KR)
Inventor: JEE KWANG KOO
IPC: F16F15/00
Filed: 2007-11-08
Abstract: 본 발명은 구조물의 진동을 흡수하는 효과가 뛰어난 방진 구조체에 관한 것으로서, 본 발명은 구조물에 고정되도록 설치되며 진동시 상기 구조물의 진폭보다 큰 진폭으로 진동하는 진동 제어 매개체와, 상기 진동 제어 매개체 또는 이로부터 연장된 댐퍼 지지체에 헐겁게 구속되어 상기 진동 제어 매개체와 독립적으로 진동함으로써 상기 진동 제어 매개체의 진동 주파수와는 다른 진동 주파수를 갖는 댐퍼 (damper)를 포함하여 이루어진 것을 특징으로 하는 방진 구조체를 제공한다. 
       
     진동 흡수, 댐퍼, 금속 판재, 진동 제어 매개체
Patent KR-20090049260-A (KR)
Inventor: JEON JAE HEE
IPC: F04B39/10
Filed: 2007-11-13
Abstract: 본 발명은 진공 펌프용 기어에 관한 것이고, 더욱 상세하게는 클러치가 장착된 진공 펌프용 클러치 기어에 관한 것이다. 
     본 발명은, 진공 펌프의 베인에 회전력을 전달하기 위한 기어에 있어서, 진공 펌프의 베인과 동축상으로 연결된 회전축과, 상기 회전축에 회전력을 공급하는 기어와, 상기 회전축과 상기 기어 사이에는, 상기 기어의 회전력이 전달되도록 상기 기어의 내주면과 억지끼워맞춤으로 구비되는 외부 회전링, 상기 회전축으로 회전력이 전달되도록 상기 회전축의 외주면과 억지끼워맞춤으로 구비되는 내부 회전링, 및 상기 외부 회전링과 내부 회전링 사이에 구비되어 회전력을 전달 또는 슬립하는 클러치로 구성된 클러치 베어링을 포함하는 것을 특징으로 한다.
Patent KR-20090050168-A (KR)
Inventor: YOO JAE HYEONG
IPC: F02B37/00
Filed: 2007-11-15
Abstract: 본 발명의 목적은 엔진에 연결시켜 사용하는 터보차저에 있어서, 임펠러(Impeller)와, 터빈과, 상기 임펠러와 상기 터빈을 연결하는 회전축과, 상기 터빈의 배면에 설치되어 상기 실린더에서 배출되는 고온의 배기가스에 의해 상기 회전축에 설치되는 베어링 및 상기 회전축이 파손되는 것을 방지하도록 원심력의 공압을 발생시키는 보조 임펠러를 구비한 회전체; 및 공기가 유입되는 흡입구와, 상기 임펠러가 설치되고 상기 임펠러에 의해 상기 흡입구로부터 유입된 공기를 압축하여 상기 엔진에 공급하는 압축실과, 상기 터빈이 설치되고 상기 엔진에서 연소한 고온 고압의 배기가스가 상기 터빈에 의해 흡입되는 터빈실과, 상기 터빈실에 흡입된 배기가스가 배출되는 배기구와, 상기 압축실과 상기 터빈실을 연결하고 상기 회전축 및 상기 베어링을 설치하는 설치관이 형성된 본체;를 포함하는 것을 특징으로 하는 원심력을 이용한 고온가스 차폐 장치를 갖는 터보차저에 의해 달성된다. 이에 따라, 고온 고압의 배기가스로부터 터보차저에 설치된 회전축 및 베어링을 보호하고, 터보차저의 성능을 향상시킬 수 있다. 
       
     터보차저, 터보차저 터빈, 차폐 장치
Patent KR-20090050392-A (KR)
Inventor: CHOI SEOK HOON
IPC: H04W4/08
Filed: 2007-11-15
Abstract: 본 발명은 이동 통신 시스템에서 컨텐츠 송수신 시 그룹 선호도 관리 방법 및 장치에 관한 것으로, 특정 그룹 구성원이 요청한 맞춤형 컨텐츠를 다른 사용자에게 전송하기 위한 사용자 정보(User Profile)의 선호도(preference) 공유하는 이동 통신 시스템에서 컨텐츠 송수신 시 그룹 선호도 관리 방법 및 장치에 관한 것이다. 
     본 발명의 실시 예에 따른 이동 통신 시스템에서 컨텐츠 수신 방법은 이동 통신 시스템에서 단말에서의 컨텐츠 수신 방법에 있어서, 그룹 사용자 정보의 업데이트 사항이 발생되면, 상기 업데이트 사항을 반영한 그룹 사용자 정보를 포함한 그룹 사용자 정보 업데이트 요청 메시지를 서버로 전송하는 과정과, 상기 서버로부터 업데이트 사항이 반영된 그룹 사용자 정보 응답 메시지를 수신하는 과정과, 상기 그룹 사용자 정보 응답 메시지에 포함된 그룹 사용자 정보를 저장하는 과정과, 상기 서버로부터 상기 업데이트 사항이 반영된 컨텐츠를 수신하는 과정을 포함한다. 
       
      이동 통신 시스템, 클라이언트, 서버, 맞춤형 컨텐츠 전송
Patent KR-20090050431-A (KR)
Inventor: JOO YOUNG CHANG
IPC: H01L21/66
Filed: 2007-11-15
Abstract: 일렉트로마이그레이션 특성을 측정하는 장치가 개시된다.  본 발명에 따른 일렉트로마이그레이션 측정 장치는 복수개의 시편(DUT1~DUT20)이 상호 직렬 연결되어 있어서 복수개의 시편(DUT1~DUT20)에 대하여 동시에 일렉트로마이그레이션 측정이 가능한 장치로서, 복수개의 시편(DUT1~DUT20) 각각에는 측정 과정 중에 시편 단락시 전체 회로의 오픈을 방지해 주는 스위치(BPSW1~BPSW20) 및 저항(R1~R20)이 병렬 연결되어 있는 것을 특징으로 한다. 
       
     일렉트로마이그레이션(electromigration), 측정
Patent KR-20090053621-A (KR)
Inventor: KIM YOUNG KYU
IPC: C05F9/04
Filed: 2007-11-23
Abstract: 본 발명은 음식쓰레기의 자원회수 및 자연 친화능력을 높여 재활용성 확대와 처리기간을 단축시킬 수 있고, 안정된 고농도 유기물 함량과 다양한 유용 산물질을 함유하는 고품질의 퇴비를 제조할 수 있는 음식쓰레기를 이용한 퇴비의 제조방법에 관한 것으로서, 더욱 상세하게는 수분함량이 5~10%인 멸균상태의 음식쓰레기 100중량부에 유용 미생물 20~30중량부를 투입한 후 수분함량을 35~45%로 조정하여 35~40℃에서 혐기성 발효시키는 1차 발효단계와; 상기 1차 발효된 발효물 100중량부에 유용 미생물군 5~15 중량부를 혼합한 후 25~30℃에서 혐기성 발효시키는 2차 발효단계;를 포함하여 이루어지는 것을 특징으로 하는 음식쓰레기를 이용한 퇴비의 제조방법에 관한 것이다. 
     음식쓰레기, 퇴비, 미생물, 발효
Patent KR-20090054690-A (KR)
Title: Air conditioner for automobile
Inventor: YUN JUNG HWAN
IPC: B60H1/00
Filed: 2007-11-27
Abstract: A car air-conditioner is provided to improve the heating-cooling efficiency and to reduce the time for reaching to the preset temperature. A car air-conditioner comprises a duct(10), a console box(20) and a console box opening and closing door(30). The duct has an opening(12) and a guide plate(14) installed to be separated from the opening. A door is mounted on the lower one side of the console box with a rotating part. The door has a cover(32) extended from the inner side. The cover opens and closes the opening of the duct. The cooled air is guided to a gap opened from the opening of the duct with a guide plate in the door open.
Patent KR-20090055377-A (KR)
Title: Apparatus for controlling of fishing lamp and method thereof
Inventor: LEE JONG RYULL
IPC: A01K85/01
Filed: 2007-11-28
Abstract: A fishing lamp control device and a control method thereof are provided, which detects the fish collection state by manual or automatic operation. A fishing lamp control method comprises: a step(S101) for supplying driving power to the fishing lamp control device; a step(S103) for controlling the brightness of the fishing lamp; a step(S105) for detecting the fish collection state in the state of lightening the fishing lamp; a step(S107) for analyzing the detection signal of the fish collection state; a step(S109) for confirming whether it is the fish collection state or not; a step(S111) for controlling the brightness of the fishing lamp; a power switching-off step(S113); and a step(S115) for turning off the fishing lamp.
Patent KR-20090056455-A (KR)
Title: Chemical reproduction device and reproduction method
Inventor: JANG BUM GWON
IPC: H01L21/02
Filed: 2007-11-30
Abstract: A chemical reproduction device and a reproduction method is provided to minimize harmful object while reducing material costs by collecting chemical and reusing it without disposal. A collection tank(10) collects chemical discharged from each process of a semiconductor apparatus and perform a first purification of it. A filling tank(20) receives the chemical from the collection tank and performs a second purification of it. A degas chamber degas gas from the purified chemical, and a filter unit removes a foreign material from the chemical from the degas chamber. At this time, a bubble sensor(23) is installed in a filling tank, which senses a bubble state within the filling tank.
Patent KR-20090059347-A (KR)
Title: System and method for providing estimation for tourist
Inventor: NOH CHU YOUNG
IPC: G06Q50/14
Filed: 2007-12-06
Abstract: A system for making/offering an estimate for a traveler and a method thereof are provided to enable a user to immediately confirm the travel estimation by clicking a total-bill function button after connecting to an estimation calculating server. A user computer(100) is connected to the Internet. When a user connects to an estimation calculating server(200) by using the user computer, the server provides cost calculation items for the estimation calculating. After selecting detailed matters of each cost calculation item, when the user requests the total amount, the server provides information about the total amount and features related to the specific destination. When the user transmits the detailed matters, total amount and features to a manager, a management server(300) stores/manages the transmitted information.
Patent KR-20090060844-A (KR)
Title: A skates blade of ice
Inventor: CHO DONG PYO
IPC: A63C1/30
Filed: 2007-12-10
Abstract: A skate blade is provided, which makes contact area with the ice small, improves the speed, and increases the frictional force on the ice. A skate blade comprises: a rotation axis(12) protruded to the center of the disk(11); a projection(13) formed in the outer circumference of the disk; and a sawtooth part providing the frictional force formed in the outer circumference of the projection. A round section is formed in the outer circumference of the projection in order to make the torque good. An inner side incline is formed at the inner side of the projection in order to improve directivity in the outer circumference of the disk. An outer inclined plane is formed in the outside direction of the projection to make directivity good.
Patent KR-20080055664-A (KR)
Title: Improvements in fuel oil compositions
Inventor: CAPROTTI RINALDO
IPC: C10L10/14
Filed: 2007-12-12
Abstract: Improvement methods of fuel oil compositions and fuel oil compositions are provided to contain detergent species and be susceptible to the formation of wax at low temperatures, wherein low temperature properties of the fuel containing a wax anti-settling additive and a polyamine detergent can be restored by the additional presence of a third co-additive species. As a method of improving low temperature properties of a fuel oil composition comprising a major amount of a fuel oil and minor amounts of (a) at least one polar nitrogen compound effective as a wax anti-settling additive and (b) at least one polyamine detergent, the method comprises adding (c) at least one acidic organic species to the composition. The at least one polar nitrogen compound comprises an oil-soluble polar nitrogen compound having one or more, preferably two or more, substituents of the formula >NR^13, where R^13 represents a hydrocarbyl group containing 8 to 40 atoms, wherein the substituent or one or more of the substituents may be formed in the form of a cation derived therefrom. The at least one polar nitrogen compound comprises an amide-amine salt formed by reacting one molar proportion of phthalic anhydride with one molar proportion of dihydrogenated tallow amine. The at least one polyamine detergent comprises a reaction product of a poly(isobutene) substituted succinic anhydride acylating agent and a polyamine or a mixture of polyamines. The acidic organic species comprises an unsaturated monocarboxylic acid having 8 to 30 carbon atoms, preferably 12 to 22 carbon atoms.
Patent KR-20090062491-A (KR)
Title: Lane keeping assist system(lkas) considering the influence of tire pressure
Inventor: SHIN DONG HO
IPC: B60W30/12
Filed: 2007-12-13
Abstract: A lane maintenance auxiliary system is provided to improve the stability of vehicle driving and the ride comfort of passengers by considering the pneumatic pressure of tires. A lane maintenance auxiliary system comprises a sensor unit(20) which measures the side slip angle of vehicle under driving, the measured yaw rate, the angle of departure of vehicle, the distance of departure of vehicle, the curvature of vehicle and the speed of vehicle; a tire sensor unit(30) which measures the pneumatic pressure of the tire of the front wheel and the pneumatic pressure of the tire of the back wheel; a control unit(10) which produces the demanded forward angle of vehicle so as to allow the side slip angle of vehicle under driving, the measured yaw rate, the angle of departure of vehicle and the distance of departure of vehicle to converge to 0 by using the measured value transferred from the sensor part and the pneumatic pressure of tires transferred from the tire sensor part, and produces the operation signal to this; and a drive part(40) which changes the driving direction of vehicle according to the operation signal transferred from the control part.
Patent KR-20090062572-A (KR)
Title: The requlate df brightnees to pilot lamp
Inventor: KO KWANG HOON
IPC: F21V9/40
Filed: 2007-12-13
Abstract: An indicative lamp for controlling brightness thereof is provided to identify easily a traveling state thereof by preventing disturbance in a traveling state thereof. An indicative lamp(1) for controlling brightness thereof includes a main body(10) and a front cover(20). The main body has a light source(11) such as an LED lamp and a filament bulb. The front cover is positioned on a surface of a light source of the main body. The front cover is used for protecting the light source. A first planarizing filter(12) is fixed on the surface of the light source of the main body. A second planarizing filter(21) is positioned on an upper surface of the first planarizing filter in order to fix the polarizing filter on the front cover.
Patent KR-20090064131-A (KR)
Title: Baffle plate structure of rocker cover for engine
Inventor: KIM DONG JUN
IPC: F01M13/00
Filed: 2007-12-15
Abstract: A baffle plate structure of a rocker cover for an engine is provided to improve the pre-filtering efficiency of blow-by gas by making blow-by gas in contact with many blades several times while moving along an extraction passage of a rocker cover, thereby filtering oil particles among blow-by gas several times. In a baffle plate structure of a rocker cover for an engine for pre-filtering oil among extracted blow-by gas, many blades(220) for hindering the flow of extracted blow-by gas are installed on the top of a baffle plate(200) opposed to the inside of a rocker cover, wherein the blades are formed to be arranged successively from an inlet(210) of the baffle plate to an extraction tube and projected alternately on two sides of the baffle plate.