baber/WOPTO huggingface dataset:
Patent KR-20030028262-A (KR)
Title: Reverse shift apparatus of manual transmission
Inventor: LEE HYEON GU
IPC: B60K17/08
Filed: 2001-09-28
Abstract: PURPOSE: A reverse speed change gear of a manual transmission is provided to prevent a rattling noise of a gear caused by a backlash of the gear when a reverse idler gear idles. CONSTITUTION: A reverse speed change gear of a manual transmission includes a reverse speed gear, mounted to an input shaft of the transmission; a reverse idler gear(2), engaged with the reverse speed gear; a reverse output gear, engaged with the reverse idler gear and fixed to an output shaft; an idler shaft(4) rotatably supporting the reverse idler gear; and a rattling noise-preventing unit. The rattling noise-preventing unit makes gear backlash between the reverse idler gear and the matching gear just incase of reverse speed change. Great pitch diameter of the reverse idler gear is formed, to prevent backlash between the reverse idler gear and the engaging gear. Retainers(15), supporting the idler shaft, are disposed on both sides of the idler shaft. Rubber packing(19) is inserted between the idler shaft and the retainer. Accordingly, a rattling noise is prevented.
Patent KR-20020027238-A (KR)
Inventor: KOICHI YASUDA
IPC: C22C38/00
Filed: 2001-10-04
Abstract: PURPOSE: A high heat input submerged arc welding seam in which a welding metal having superior toughness is obtained even when welding a steel product by high heat input submerged arc welding having 150 kJ/cm or more of welding heat input, a method for manufacturing the seam, and steel wire and flux for welding used in the seam are provided. CONSTITUTION: In a submerged arc welding seam which is welding bonded by high heat input submerged arc welding having a welding heat input of 150 kJ/cm or more, the submerged arc welding seam is characterized in that a welding metal of the welding seam comprises 0.03 to 0.15 wt.% of C, 0.10 to 1.00 wt.% of Si, 0.70 to 2.50 wt.% of Mn, 0.003 to 0.030 wt.% of Ti and 0.0050 wt.% or less of N, and a produced amount of grain boundary ferrite in the welding metal is 15.0 area% or less. In a method for manufacturing a submerged arc welding seam which is welding bonded by high heat input submerged arc welding having a welding heat input of 150 kJ/cm or more, the method for manufacturing the submerged arc welding seam is characterized in that a welding metal of the welding seam comprises 0.03 to 0.15 wt.% of C, 0.10 to 1.00 wt.% of Si, 0.70 to 2.50 wt.% of Mn, 0.003 to 0.030 wt.% of Ti and 0.0050 wt.% or less of N, and a produced amount of grain boundary ferrite in the welding metal is 15.0 area% or less. The steel wire for high heat input submerged arc welding comprises 0.03 to 0.10 wt.% of C, 0.0035 wt.% or less of N, 0.40 wt.% or less of Si, 1.00 to 2.50 wt.% of Mn, 0.030 wt.% or more Ti and a balance of Fe and inevitable impurities, wherein Ti/N is 15 to 50. The flux for submerged arc welding comprises 20 to 45 wt.% of atomized iron powder for the total amount of flux, wherein the atomized iron powder contains 0.0030 wt.% of N.
Patent KR-20030028923-A (KR)
Title: Safety valve apparatuspressure container
Inventor: HYUN CHANG SU
IPC: F17C13/04
Filed: 2001-10-04
Abstract: PURPOSE: A safety valve of a pressure container is provided to improve safety by automatically discharging pressure with bending the packing and opening the passage in increasing internal pressure over the reference value. CONSTITUTION: A mount cap(1) is combined with the upper part of a pressure container, and fixing and expanding parts are stepped in an assembling part(1a) of the mount cap. The outside of a packing(5) is pressed and fixed between the fixing part of the mount cap and the upper part of a valve housing(2), and a space part is formed in the expanding part to bend the packing up. Plural protrusions are formed in a protruded part of a stem(3), and discharge passages are formed between protrusions to discharge pressure in bending the packing against overpressure. The upper part of the mount cap is spaced from the protruded part of the stem. The pressure container is used safely by automatically discharging pressure with bending the packing in increasing the internal pressure.
Patent KR-20030030246-A (KR)
Title: Apparatus of oil pump
Inventor: NOH MUN GI
IPC: F04C2/10
Filed: 2001-10-09
Abstract: PURPOSE: A structure of an oil pump is provided to reduce load on an engine by preventing excessive increase of weight thereof and friction between an internal gear and an external gear even when widths of the internal gear and the external gear is increased. CONSTITUTION: Hollow parts(13) are formed on insides of an internal gear(10) and an external gear(11) to reduce weight of the internal gear and the external gear. Friction between the internal gear and the external gear is reduced thereby so as to improve output of an engine.
Patent KR-20030031574-A (KR)
Title: Consent
Inventor: KIM CHANG SEONG
IPC: H01R35/00
Filed: 2001-10-15
Abstract: PURPOSE: A device for adjusting a direction of extracting a cord of an outlet is provided to prevent a short circuit and bad connection of the cord by preventing the cord from entangling or bending around the outlet. CONSTITUTION: A cord extracting space part(3) is formed at one side of a body part(1) of an outlet having axial holes. A cord extracting direction adjusting element(4) is inserted into the axial holes. One side of a cord(5) extracted from the cord extracting direction adjusting element is connected with inner connection terminals(7,7') of the outlet through a cord extracting hole(6). The other side of the cord is connected with a plug. The extracting direction of the cord is adjustable to match with a direction to which the plug faces, rotatively moving by the cord extracting direction adjusting element.
Patent KR-20030033095-A (KR)
Title: drain pan of ceiling suspension type air-conditioner
Inventor: AHN HYEOK SEONG
IPC: F24F13/22
Filed: 2001-10-18
Abstract: PURPOSE: A drain pan of a ceiling suspension type air conditioner is provided to prevent condensed water from splashing out of the drain pan due to negative pressure of a blower. CONSTITUTION: A drain pan includes a collecting reservoir(100) collecting condensed water generated in a heat exchanger, and having a drain pipe(9) connected thereto and a partition(110) partitioning an inside space of the collecting reservoir into an upper space on which the heat exchanger is supported and a lower space collecting condensed water, and preventing condensed water in the lower space from splashing out due to negative pressure of a blower.
Patent KR-20010111063-A (KR)
Title: 반도체 소자의 이중 게이트 산화막 형성 방법
Inventor: JANG GYU HWAN
Filed: 2001-10-19
Abstract: 반도체 소자의 이중 게이트 산화막 형성 방법을 개시한다. 본 발명에 따르면 산화막을 플라즈마 상태의 수소 가스 및 불소를 포함하는 가스와 화학적으로 반응시킨 후, 어닐링을 실시하여 상기 화학적 반응에 의해 생성된 부산물을 기화시키는 공정을 상기 산화막이 완전히 식각될 때 까지 반복하여 진행하는 단계를 포함함으로써, 산화막의 하부 막질을 손상시키거나 오염시키지 않으면서도 높은 식각 선택비를 갖고 산화막을 패터닝하여 반도체 소자의 이중 게이트 산화막을 형성할 수 있다.
Patent KR-20030033783-A (KR)
Inventor: CHO YUL HWAN
IPC: A23B9/02
Filed: 2001-10-25
Abstract: PURPOSE: A rice storage method is provided to protect the rice from harmful insects without using any fumigant, and to enhance reliability of the rice food product. CONSTITUTION: A rice storage method comprises the steps of: vacuum-packing rice; and sterilizing the rice by heating up to the temperature of 50-140 deg.C, preferably 60-80 deg.C for 40 minutes under the pressure of 1.5-2kg/cm¬2. The rice is pretreated by polishing, steaming, drying to moisture content of 17-20%, washing and re-drying to moisture content of 17-20%, before vacuum-packing it.
Patent KR-20030034774-A (KR)
Title: Life safety boat propeller
Inventor: KIM NAM KIL
IPC: B63H16/18
Filed: 2001-10-24
Abstract: PURPOSE: A propulsion system for a boat is provided to move the boat conveniently with little force by rotating a propeller in engaging a gear with a chain, and to improve convenience for beginners by attaching and detaching the propulsion systems from both sides of the boat easily. CONSTITUTION: A propulsion system of a boat is composed of a chain box(1), an installation part(2), a handle(3) and a propeller fixing shaft(4), and divided into a chain gear apparatus and a belt gear apparatus. Gears and a chain are made of waterproof plastic, and the small gear rotating unidirectionally and the large gear are rotated by the chain or belt. The boat is moved forward by rotating the propeller connected to the small gear. The propulsion systems are mounted at both sides of the boat by fixing pins, and separated easily for convenience of a user in injecting air to the boat. The boat is moved safely by operating simply with little force, and the propulsion system is lifted up and down in laying the boat to the shore.
Patent KR-20030035318-A (KR)
Title: Apparatus and Method for Controlling Hot Swap
Inventor: JUNG GI CHEON
IPC: G06F1/00
Filed: 2001-10-31
Abstract: PURPOSE: A device and a method for hot swap are provided to protect an internal element in a board from a threshold current when the board is inserted or removed from a system, and to apply the power to the board by receiving an enable signal from a CPU only when the power applied to the board is stabilized. CONSTITUTION: The device comprises a microprocessor(200), a current detector(210), a hot swap controller(220), a bus switch(230), connectors(240-C1,240-C2), a control part(250), a display(260) and a switch(SW). If the board is inserted, the switch(SW) generates a signal corresponding to the board insertion and offers it to the CPU of the system and the control part(250) of the board. The signal corresponding to the board insertion is applied to the CPU and the control part(250) in order to generate a power on signal of the CPU. The CPU confirms that the board is inserted and waited, and makes the board receive the power by generating a CPU enable signal. The hot swap controller(220) applies the power to the board if the control part(250) generates the enable signal, and plays a role of limiting the threshold current.
Patent KR-20010112154-A (KR)
Title: 모발건조기
Inventor: BYUN EUL CHUL
IPC: A45D20/10
Filed: 2001-11-02
Abstract: 본 발명은 '다각형' 방사체(20)를 설치하여 송풍시에 예열된 공기 중에 원적외선과 음이온이 함께 방출되어져 두피의 혈액순환을 원활히 하여 사용하면 할수록 더욱 더 건강한 머릿결이 유지될 수 있도록 특별히 제작되어진 모발건조기(10)에 관한 것이다. 
     본 발명은 케이스(11)내의 구동모터(미 도시됨.)에 의해 구동하는 송풍팬(미 도시됨.)을 설치한 모발건조기(10)에 있어서, 상기 케이스(11)의 선단에 마련되는 송풍구(12)에 송풍관(15)을 삽입하여 결합하고, 
     상기 송풍관(15)의 내측으로 원적외선과 음이온을 방출할 수 있는 '다각형' 방사체(20)를 삽입하여 결합한 특징이 있다. 
     본 발명은 '다각형' 방사체(20)에 의한 원적외선과 음이온이 방출됨으로 하여 두피와 모발의 건강을 지속적으로 유지되게 함과 아울러 모발건조기(10)에 의한 과다한 온풍과 자외선 및 오염된 대기에 의한 손상된 두피 및 모발에 대한 치유효과도 기대할 수 있으며, 두피의 혈액순환을 원활히 하여 사용할수록 더욱 더 건강한 머릿결이 유지됨을 특징으로 하고 있다.
Patent KR-20030037411-A (KR)
Title: Manufacture method of core for motor
Inventor: LEE TA GYEONG
IPC: H02K15/14
Filed: 2001-11-05
Abstract: PURPOSE: A motor core making method is provided to be capable of maintaining an exact circularity and a more tight joining with a housing through shaft crush before coating. CONSTITUTION: A core piece is formed by pressing a metal thin plate by a press mold. A core stack body is formed by sequentially stacking a plurality of core pieces. The core stack body is cleaned using a cleaning solution, and a shaft(50) is press-fitted in a coupling part of the core stack body. An electron coating process is carried out with respect to the core stack body.
Patent KR-20030037897-A (KR)
Title: Method for priority interrupt
Inventor: CHOI JUN HO
IPC: G06F9/46
Filed: 2001-11-07
Abstract: PURPOSE: An interrupt processing method based on a priority is provided to perform a comparison operation from the highest to the lowest bit of priority data of interrupt requesting sources in order to find the interrupt source having the highest priority when plural interrupt sources request interrupts at the same time. CONSTITUTION: The method comprises several steps. Interrupt sources, requesting interrupt services, are selected(S10, S11). Among the selected interrupt sources, the interrupt sources whose "ith" bits of priority data are in the first logic state, are selected. In a case that the "ith" bits of the priority data are all in the first logic state and in the second logic state, all the interrupt sources are selected again. The interrupt source selection operation for all the bits of the priority data is repeated from the highest to the lowest bit(S12-S21). The interrupt request from the finally selected interrupt source is transmitted to a processor(S22).
Patent KR-20030042744-A (KR)
Title: Leadframe guide apparatus for singulation tool
Inventor: HWANG JAE SEOK
IPC: H01L23/495
Filed: 2001-11-23
Abstract: PURPOSE: A device for guiding a lead frame of a singulation tool is provided to cut a lead at the exact position, keeping a lead frame stable by using a guiding part formed on a stripper plate and die during a singulation process. CONSTITUTION: A lead frame is prepared on a die(7), which is fixed by a stripper plate(6). A guiding part(20) is composed of inserting parts(21) and projections(22) of the stripper plate and grooves(23) of the die for the projections. As lead connection parts(14) formed on both ends of the lead frame are fixed by the guiding part and thus the leads are being kept stable, they are cut accurately without any disturbance.
Patent KR-20030043370-A (KR)
Title: Changeable cooling fan clutch apparatus
Inventor: KIM TAE WAN
IPC: F01P5/02
Filed: 2001-11-28
Abstract: PURPOSE: A clutch apparatus is provided to achieve improved cooling performance of the cooling fan and cooling efficiency of radiator, while reducing vibration and noise caused due to resistance. CONSTITUTION: A clutch apparatus comprises a plurality of sliding guides(5) fixed at an engine in such a manner that the sliding guides are rotatable, and protruded toward a radiator; a clutch assembly(2) arranged to be movable in forward and rearward directions along the sliding guides; a plurality of cooling fans(1) mounted at the front end of the clutch assembly; and a clutch position set unit which opens outward by the centrifugal force and pulling the clutch assembly in such a manner that the clutch assembly moves to the rear of the engine when an engine RPM increases. The clutch position set unit includes a return spring(15) for pushing the clutch assembly toward the radiator during the low speed operation.
Patent KR-20030048532-A (KR)
Title: Drum brake having dust remover
Inventor: CHOI GANG JIN
IPC: F16D65/00
Filed: 2001-12-12
Abstract: PURPOSE: A drum brake having a dust remover is provided to prevent braking noise from accumulation of dust and lowering of braking efficiency by eliminating iron among dust collected in the lower part of the drum with sticking iron to a magnetic body. CONSTITUTION: A drum brake comprises a socket(12) separably mounted in an installation hole formed in a back plate(5), and composed of a through hole including an internal thread part; a plug(14) combined with the socket by an external thread part, and composed of a magnetic body insertion groove; and a magnetic body(10) protruded inside the back plate and fitted to the magnetic body insertion groove of the plug. Iron is stuck to the magnetic body in operating the brake, and dust is eliminated from the magnetic body by releasing the plug.
Patent KR-20030049244-A (KR)
Inventor: DOO BYEONG MAN
IPC: F02B37/24
Filed: 2001-12-14
Abstract: PURPOSE: A turbine wheel of a turbo charger for an internal combustion engine is provided to improve the performance of an engine and the fuel efficiency by precisely controlling the turbo charge pressure of the intake air and the air-fuel ratio for the engine. CONSTITUTION: A turbine wheel of a turbo charger includes a nozzle vane consisting of a first vane(40) and a second vane(42) combined adjacent to the tail portion of the first vane. To control the flow velocity of the exhaust gas for rotating a turbine blade, the inclination angle of the first vane and the inclination angle of the second vane are controlled differently. Therefore, the flow velocity of the exhaust gas is controlled precisely.
Patent KR-20030049556-A (KR)
Title: Method for forming the capacitor cell of semiconductor device
Inventor: PARK WON GYU
IPC: H01L21/8242
Filed: 2001-12-15
Abstract: PURPOSE: A method for manufacturing a capacitor in a semiconductor device is provided to be capable of improving the capacitance by using a PE(Plasma Enhanced)-oxide layer having low step coverage. CONSTITUTION: After forming the first interlayer dielectric(215) having a plug(210) on a substrate(200), a barrier layer(225) and a PE-oxide layer(230) are sequentially formed on the resultant structure. After cleaning the resultant structure, the first doped poly and the second interlayer dielectric(245) are sequentially formed. By dry etching of the second interlayer dielectric and the first doped poly, a lower electrode(255) is formed. A sidewall electrode(260) made of the second doped poly is formed at both sidewalls of the lower electrode and the second interlayer dielectric. The second interlayer dielectric(245) and the PE-oxide layer(230) are removed. After growing an MPS(Metastable Poly-Silicon) layer on the lower electrode and the sidewall electrode, an upper electrode is then formed.
Patent KR-20030050039-A (KR)
Inventor: KIM IL UNG
IPC: B60R19/02
Filed: 2001-12-18
Abstract: PURPOSE: A bumper of a truck is provided to reduce fuel consumption from reduction of effort during traveling on the normal road, and to prevent breakage of the bumper during traveling on the uneven road by varying the height of the bumper according to travel condition of the road. CONSTITUTION: A bumper of a truck is composed of a bracket(100) having a front plate(110) having a guide hole(111) formed vertically, upper and lower plates(120,130), and a side plate(140) fixed in the bumper cover; a side member(200) installed longitudinally in the lower part of the vehicle, and composed of a cutting groove(210) formed longitudinally in the upper part and a through hole(220) formed in the portion crossing the guide hole; and a bumper cover moving unit(300) inserted between the bracket and the side member to move the bumper cover up and down according to travel condition. Fuel consumption is decreased, and breakage of the bumper is prevented by varying the height of the bumper according to travel condition.
Patent KR-20030051016-A (KR)
Title: Method for forming a gate electrode in semiconductor device
Inventor: KIM TAE U
IPC: H01L29/78
Filed: 2001-12-20
Abstract: PURPOSE: A method for fabricating a gate electrode of a semiconductor device is provided to improve reliability and yield by filling a gate spacer undercut region through a selective epitaxial silicon growth method and by eliminating an undercut region through a dry etch method. CONSTITUTION: A predetermined thickness of a gate oxide layer(14) is formed on a semiconductor substrate(12) having a field oxide layer(11). A gate is formed on the gate oxide layer. The first spacer(17) is formed on one side of the gate through an etch process. The second spacer(18) is formed on the other side of the gate through an etch process. Impurity ions are implanted into the semiconductor substrate in the outside of the first and second spacers to form a source/drain(19). An annealing process for activating the impurities is performed and a cleaning process is performed. A salicide layer(20) is deposited on the resultant structure.
Patent KR-20030051034-A (KR)
Title: Method of manufacturing a semiconductor device
Inventor: HO WON JUN
IPC: H01L21/24
Filed: 2001-12-20
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of restraining the leakage current generated at a junction region by thinly forming a silicide layer on a gate electrode and a source/drain region using the second spacer. CONSTITUTION: A plurality of isolation layers(102) are formed at a semiconductor substrate(100). The first and second gate electrode(110,112) are formed on the semiconductor substrate. The first spacer(116) is formed at both sidewalls of the first and second gate electrode. Then, a source/drain region are formed at both sides of the first and second gate electrode in the semiconductor substrate. The second spacer(122) is formed at an exposed portion of the semiconductor substrate, wherein the exposed portion is formed by excessively etching the isolation layer while forming the first spacer. Then, a silicide layer(124) is formed on the gate electrode and the source/drain region.
Patent KR-20030054204-A (KR)
Title: Biosensor equipped with sample introducing part which enables quick introduction of a small amount of sample
Inventor: CHA GEUN SIK
IPC: G01N33/49
Filed: 2001-12-24
Abstract: PURPOSE: An electrochemical biosensor is provided, which is provided with a sample introducing part to improve the reproducibility and the precision and to reduce the measuring time. CONSTITUTION: The biosensor comprises a sample introducing part(100) comprising a sample introduction path part(101) and a venting part(102) which are crossed, and a projection part(103) formed at the point where the sample introduction path part and the venting part meet each other. Preferably the width ratio of the sample introduction path part(101) and the venting part(102) is 1/2 or less, and the angle between the sample introduction path part(101) and the venting part(102) is 45-135 degree. Preferably the biosensor comprises a bottom substrate(400) comprising an operation electrode(104) where an electron transfer medium and an oxidation enzyme and a reference electrode(105); an intermediate substrate(200) comprising the sample introducing part(100); and an upper substrate(300) which is formed on the intermediate substrate(200) for preventing the sample introducing part(100) from being exposed.
Patent KR-20030054538-A (KR)
Title: Device for removing error part of strip
Inventor: HAN BOK RYEOL
IPC: B21C47/00
Filed: 2001-12-26
Abstract: PURPOSE: A defect part removing apparatus for a cold rolled strip is provided to improve productivity and to ensure a safety of a worker by easily moving defect parts of a cold rolled strip. CONSTITUTION: A defect part removing apparatus includes a strip guide section and a strip winding section. The strip guide section comprises first and second iron skins, which are fixed to each other. A cover shaft is fixed to an end of the first iron skin through a bearing block. A bracket is connected to the bearing block. The cover shaft is connected to a motor shaft of a motor through a coupling. A sealing ring is inserted into the first iron skin. The strip winding section includes a cylinder(80) fixed to a floor by means of a fixing bracket(84). The cylinder(80) is connected to a sliding main shaft(57) through a coupling(81). The sliding main shaft(57) passes through an inner portion of a connecting device pipe(76), a bearing(77), a fixing ring(78) and a sealing ring(79).
Patent KR-20030054751-A (KR)
Title: Cover of apparatus for manufacturing semiconductor device
Inventor: CHOI SUN HO
IPC: H01L21/02
Filed: 2001-12-26
Abstract: PURPOSE: A cover of a semiconductor fabrication apparatus is provided to prevent the contamination of a semiconductor substrate in a fabricating process of a semiconductor device by forming a slope portion on the cover. CONSTITUTION: A cover of a semiconductor fabrication apparatus includes an external cover(50) having a slope portion and a plurality of internal covers(52) formed in a constant interval. The internal covers are formed by arraying plural sub covers. In the internal covers, a bottom portion of an upper sub cover is overlapped on a top portion of a lower sub cover. The cover inclines to both sides of the external cover and the internal cover. A plurality of stripy grooves are formed on inner faces of the internal covers. A plurality of stripy grooves are formed on external faces of the internal covers.