baber/WOPTO huggingface dataset:
Patent KR-20000046081-A (KR)
Title: Producing method of potato stalk sapling grown up from a cutting for solution culture and culture solution composition(cheju a solution) therefor
Inventor: KIM CHEOL KYUN
IPC: B61D33/00
Filed: 1998-12-31
Abstract: PURPOSE: A producing method of potato stalk sapling grown up from a cutting for solution culture and a culture solution composition therefor are provided which produces a sapling by supplying a particular composition of nutrient solution without pollution, secures a large quantities of saplings in a short time, and obtains a good effect of increased yield. CONSTITUTION: A composition of nutrient solution for producing potato stalk sapling grown up from a cutting is composed of NH4NO3, KNO3, KH2PO4, CaCl2. 2H2O, MgSO4. 7H2O as mass elements and Fe-EDTA, H3BO3, MsSO4, MsSO4. 4H2O, ZnSO4. 7H2O, CuSO4. 5H2O, (NH4)6Mo7O24 as trace elements. A producing method of potato stalk sapling grown up from a cutting is composed of the following steps; culturing 3-4 centimeters of sapling by supplying water without the nutrition solution for 5 days after examination of virus; culturing by supplying the nutrient solution; gathering a cultured sapling after 10 days; planting a cutting with the cultured sapling; culturing the sapling grown up from the cutting and a remaining stalk sapling by supplying water without the nutrition solution for 5 days; culturing by supplying the nutrient solution; and gathering the sapling after 15 days.
Patent KR-20000047304-A (KR)
Title: Device and method for packing glass pane
Inventor: RYU GEUN SANG
IPC: B65B35/00
Filed: 1998-12-31
Abstract: PURPOSE: A device and a method are provided to safely pack a glass pane for a short time. CONSTITUTION: While an interval adjuster(4) is advancing when a ride board(41) advances to the right, a glass pane is separated from a settlement stand(21) to make a packing space. A semi-airtight lumber box is packed around the circumference of the plate glass, the front and rear face of the plate glass, and the edge of the box is sealed with steel. A packing box is in contact with a subsidiary strut(23) of a turner of loading base(2) and rotates the loading base turner counterclockwise. Then, the packing box is erected and stored in a storehouse by a transferring device.
Patent KR-19990036278-A (KR)
IPC: B29B17/00
Filed: 1995-08-08
Abstract: The method for shredding wornout tire cases comprises exposing wornout tire cases to the effect of an explosion exerted thereon in a closed circular system so as to establish a directional circulating flow of explosion products. The device for carrying the method into effect comprises a chamber (1, 2) and a piping (3, 4) which forms, together with the chamber, a circular closed system, the chamber has a portion shaped as a cone-frustum shell (1), wherein shredding members (7) and a fixing unit of the explosive (13) are accommodated; a the smaller-diameter portion of the cone-shaped shell (1) communicates with one end of the piping (4) through a valve appearing as, e.g., a grid established by plates (7) in the area of the smaller base of the shell (1), while the other end of the piping (3) communicates with the chamber (1, 2) from the side of the larger-diameter portion of the cone-shaped shell (1). <IMAGE>
Patent KR-19990064110-A (KR)
IPC: D02H1/00
Filed: 1996-10-09
Abstract: PCT No. PCT/EP96/04380 Sec. 371 Date Jun. 1, 1998 Sec. 102(e) Date Jun. 1, 1998 PCT Filed Oct. 9, 1996 PCT Pub. No. WO97/13715 PCT Pub. Date Apr. 17, 1997A bobbin core holder for a bobbin creel. The bobbin core holder includes a sleeve body securable on a creel rod, on which sleeve body a ring socket is fitted so as to be rotatable into at least one predeterminable rotary position by a releasable spring detent mechanism. The bobbin core holder also includes a bearing block on the ring socket having a bore therein for the bobbin core and an additional threaded bore opening into the bobbin core bore for a set screw. The bobbin core bore is open at both ends and is circumferentially closed with its axis extending transversely with respect to the axis of the ring socket. The bobbin core bore has an intermediate longitudinal section which at least partly extends through the ring socket, and the length of the bobbin core bore is approximately the same as the outside diameter of the ring socket. The threaded bore extends approximately radially relative to the ring socket axis.
Patent KR-19990077162-A (KR)
IPC: A61P3/10
Filed: 1996-12-18
Abstract: Compounds represented by general formula (I) or salts thereof, a process for producing the same, and intermediates therefor, wherein R represents hydrogen or methyl; R<1> represents hydrogen, hologeno, hydroxy, benzyloxy, amino, or hydroxymethyl; R<2> represents hydrogen, hydroxymethyl, NHR<3>, SO2NR<4>R<4>, or nitro; R<6> represents hydrogen or lower alkyl; and X represents nitrogen, oxygen, sulfur, or methylene, provided that when X represents nitrogen, oxygen, or sulfur, then R<9> represents hydrogen, one of R<7> an R<8> represents hydrogen, and the other thereof represents hydrogen, amino, acetylamino, or hydroxy, and when X represents methylene, then R<7> and R<8> each represents hydrogen and R<9> represents hydrogen, amino, etc. They have a  beta -3 adrenaline receptor agonist and are useful as drugs for the treatment and prevention of diabetes, obesity, hyperlipemia, etc. <CHEM>
Patent KR-19990082338-A (KR)
Title: 가용성 음료의 향기부여 방법
IPC: A23L2/39
Filed: 1997-01-28
Abstract: 주입기내에서 향기를 함유한 기질을 가용성 음료 분말에 혼합시키는 방법으로서, 여기서 상기 가용성 음료 분말은 주입기에 채워진다.   상기 가용성 음료 분말은  주입기에 유입되어, 가동 베드 형태로 유동하도록 되어 있다.   주입기내에서, 또한 가용성 음료 분말이 용기내에 채워지기 전에, 향기를 함유한 기질이 가동 베드상으로 분무된다.   이에 따라, 가용성 음료 분말에 대해 거의 일정한 비율의 향기를 함유한 기질을 갖는 가용성 음료 분말과 향기를 함유한 기질의 혼합물이 용기내에 제공된다.
Patent KR-19990087108-A (KR)
Title: 정극활물질 및 그 제조방법과 상기 정극활물질을 사용한 리튬이온 2차전지
IPC: C01G51/04
Filed: 1997-09-26
Abstract: 균질한 조성의 정극활물질을 쉽게 량산성 좋게 얻을수 있는 제조방법과 이 제조방법으로 얻어진 정극활물질 및 이 정극활물질을 사용한 리튬이온 2차전지이다. 
     질산리튬,질산코발트,주석산의 각 수용액을 제작해서,  이를 활물질의 화학량론비가 되도록 용액 혼합한후 분무건조에 의해 수분을 제거해서 전구체를 얻어,  이 전구체를 소성한다. 
     얻어진 정극활물질을 정극에 사용함으로써 고성능의 리튬이온2차 전지가 얻어진다.
Patent KR-20000010808-A (KR)
Title: Controlling apparatus for establishing position of billet-supporting element
Inventor: MOERBALT KARL
IPC: B22D11/128
Filed: 1997-05-07
Abstract: PURPOSE: The control apparatus is provided to safely obtain the position establishment of a strand supporting element for strand guiding in a fixed density. CONSTITUTION: The control apparatus has a hydraulic pressure control cylinder(12) contacted with a supporting stand(9,10) having other strand supporting element(6) contacted with a strand supporting element(5). The movement of the strand supporting element(5) is detected through a position sensor(17), and is controlled by an automatic controller(26). A user can drive the hydraulic pressure control cylinder(12) by laying a direction control valve(21A,21B) for enabling converting through a 3-level controller (26) to safely obtain the position of the strand guide.
Patent KR-20000010962-A (KR)
Title: Composition and method for inhibiting the deposition of protein on contactlens
Inventor: HEILER DAVID J
IPC: A61L12/14
Filed: 1997-04-30
Abstract: PURPOSE: A composition and method used as in-the-eye and/or out-of-eye inhibitors of proteinaceous deposits on hydrophilic contact lenses is provided by including moderately charged polyquaternium polymers that selectively bind to hyderophilic contact lenses to block the binding of proteinaceous materials. CONSTITUTION: The composition is a solution for hydrophilic contact lenses, which comprises 0.01wt.% to 5wt.% of at least one moderately charged polyquaternium polymer having a molecular weight of 5000 to 50000 and about 10mol% to 45mol% of net quaternary-amine-functional repeat units. The composition may be used in multipurpose cleaning solutions for contact lenses and formulated together with a solution for wetting, immersing, cleansing, conditioning and mixtures thereof. By treating a contact lens with the composition, lenses can be cleaned and used without rubbing or using an enzymatic cleaners and the like for removing proteinaceous materials.
Patent KR-20000016329-A (KR)
Title: Filter sheet and method for refining photoresist composition using filter sheet
Inventor: HOW KENETH C
IPC: B01J47/12
Filed: 1997-07-30
Abstract: PURPOSE: A method for refining a photoresist solution is provided to remove ionic impurities by passing the photoresist solution by passing a filter sheet. CONSTITUTION: A filter sheet and a method for refining a photoresist composition using the filter sheet remove an ionic pollutant from a photoresist composition by using the filter sheet containing a matrix of self-supply fiber having an assistant material of a corpuscular filter and a resin for shifting a corpuscular ion fixed inside. The assistant material of the corpuscular filter and the resin for shifting the ion is uniformly distributed by passing the whole section of a matrix. A resin for shifting a cation is used the sulfonated phenol-formaldehyde condensate, the sulfonated phenol-benzaldehyde, and the sulfonated styrene-divinyl benzene copolymer. The assistant material of the corpuscular filter is used the diatomite, the magnesia, the perlite, the clay and the mixture thereof.
Patent KR-20000050633-A (KR)
Inventor: JEONG SANG OH
IPC: H04N7/14
Filed: 1999-01-13
Abstract: PURPOSE: A video telephone with detachable camera and an image data transmission method using the same is provided to control the distance between the camera and the user. CONSTITUTION: A video telephone with detachable camera includes a camera lens(202), a data transmitter(204). The wireless camera outputs a control for controlling the camera operation. The control signal transmitter includes a control signal receiver(110), and a data processor(112). The data transmitter(204) transmits wireless of the radio frequency broadcasting. The signal from the camera is received through the control transmitter. The image data is received from the camera to the image data. The camera(110) outputs an input image data through the pixel data.
Patent KR-20000051380-A (KR)
Inventor: PARK KEUN SIK
IPC: H01L21/8239
Filed: 1999-01-21
Abstract: PURPOSE: A method for fabricating a semiconductor memory is provided which can form a side wall of a MOS transistor on a peripheral circuit region using a polycrystalline silicon deposited in forming a plug. CONSTITUTION: A method for fabricating a semiconductor memory includes the steps of: defining a memory cell region(10) where a memory cell is fabricated and a peripheral circuit region(20) where a peripheral circuit driving the semiconductor memory is to be formed; forming a cell transistor having a lightly doped source and drain and a plug(3) connected to the lightly doped source and drain; and forming a MOS transistor(TR) having a source and drain of LDD(Lightly Doped Drain) structure having a thick gate side wall on the peripheral circuit region. The gate side wall of the MOS transistor on the peripheral circuit region is formed by depositing an oxide film deposited in forming a gate side wall of a cell transistor(CELL TR) and the polycrystalline silicon deposited in forming the plug in sequence, and after dry-etching the polycrystalline silicon, by oxidizing the polycrystalline silicon remained after etching.
Patent KR-20000055596-A (KR)
Inventor: HA IN SU
IPC: H01L21/335
Filed: 1999-02-08
Abstract: PURPOSE: Gate electrode forming method of polycide structure provides the prevention of silicide film on insulating film spacer of gate electrode. CONSTITUTION: Gate electrode forming method of polycide structure comprises a polysilicone film for a gate electrode formed on front of semiconductor substrate(100) by a common vapor deposit in between a gate oxide film on the substrate(100) defined active region and nonactive region, a poly silicone film pattern(102) is formed by etching the polysilicone film with a mask, low concentration impurity ion doped in the substrate(100) on both side of pattern(102). a silicone nitride film(SiN) formed on the substrate(100). an insulation film spacer(104) is formed on the both side wall of the conductor pattern(102), a source/drainage region(106) are formed in the substrate(100) on the both side of the insulated film spacer(104). The etching process of the polysilicone film pattern(102) are performed using selecting ratio of etching of the insulated film spacer(104) and polysilicone film, then top portion of the insulated film spacer(104) are protruded on the polysilicone film pattern(102) and the active region of the doped substrate are etched with etching of polysilicone film;
Patent KR-19990072725-A (KR)
Title: 압전세라믹조성물
IPC: C04B35/495
Filed: 1999-02-18
Abstract: 본 발명은 하기 화학식; 
     
       
     
     으로 나타내는 조성물을 주성분으로 함유하는 압전 세라믹 조성물을 제공하며, 
     상기 식에서, M1은 Bi와 같은 3가 금속 원소를 나타내고; M2는 K, Na 또는 Li와 같은 1가 금속 원소를 나타내고; M3은 Ti, Zr, Sn 또는 Hf와 같은 4가 금속 원소를 나타내고, x, y, z, m, n은 하기 조건들; 
     0.1≤x, y≤0.3, x+y＜0.75, 0≤z≤0.3, 0.98≤m≤1.0, 0＜n＜0.1 
     을 만족시킨다.
Patent KR-20000056444-A (KR)
Inventor: JEONG MU YEONG
IPC: G06F3/0354
Filed: 1999-02-22
Abstract: PURPOSE: A mouse for computer is provided to allow precise pointing by using sensitive finger movements, to prevent imprecise movements caused by dust clog when using the mouse for an extended period, and to enable the mouse to be used in a confined space. CONSTITUTION: A mouse for computer is composed of finger penetration, installation, operation, and generation. A hole(10a) is formed on top of the case(10) and a finger insertion section(16) enables the movement in X-Y direction within the case(10) and finger penetration through the hole. Left button(11), right button(12), and a circuit plate(15) are installed on each sides of the hole. Switches(13)(14) are pressed by the right and left and signal generator(20) is installed on the circuit plate and it is operated by the finger insertion section to generate X-Y signals.
Patent KR-20000060036-A (KR)
Inventor: MUN SEONG HAK
IPC: G09G3/36
Filed: 1999-03-11
Abstract: PURPOSE: A plasma address LCD and a method for driving the same are provided to reduce a voltage of a driving pulse by dividing a high voltage pulse into the predetermined voltage levels in a positive and negative electrodes, and make a fast driving speed by reducing the driving voltage. CONSTITUTION: A plasma address LCD occurs a plasma discharge by applying a voltage to positive and negative electrodes mounted in a discharge cell divided by a barrier wall. A predetermined negative voltage is sequentially applied to the negative electrode, and the predetermined positive voltage is applied to the positive electrode. A negative driver sequentially drives a predetermined negative voltage to a negative line. A positive scanning driver applies a predetermined positive voltage to a positive line, when applying the negative voltage. Thereby, the plasma address LCD reduces a voltage of a driving pulse by dividing a high voltage pulse into the predetermined voltage levels in a positive and negative electrodes, and makes a fast driving speed by reducing the driving voltage.
Patent KR-20000060234-A (KR)
Inventor: SHIN JI YEON
IPC: H04L12/24
Filed: 1999-03-12
Abstract: PURPOSE: A method for processing an instruction using a graphic user interface of a base station manager is provided to integrate a same process method as one method for logically performing an instruction process and conveniently operate a remote operator instruction by directly accessing a BSM(Base Station Manager) system for being remotely accessed to an operation instruction from a BSM operator and the BSM and processing an operation instruction from a remote operator in a same software using a graphic user interface(GUI). CONSTITUTION: When a BSM operator is connected to a BSM, a menu bar for performing a processing function of an input instruction through a GUI(Graphic User Interface) and a text window for performing a process function of an input instruction using a keyboard are generated(ST11,ST14). When a remote operator is connected to the BSM, it is checked whether the connected remote operator is a registered operator and the menu bar and the text window are generated when the connected remote operator is the registered operator(ST12-ST14). When a key is inputted into the generated text window, the inputted key is checked and the key is continuously received until a return key for performing a transmission of an instruction is inputted(ST15,ST16). When the return key is inputted, the inputted instruction is transmitted to a semantics/syntax analyzing software for performing semantics/syntax analyzing function(ST16-ST23). It is checked as to whether a kind of instruction inputted from an operator through the GUI in the generated menu bar(ST24) A corresponding pull-down menu is generated when the inputted instruction is a request for a format screen process or a request for an instruction batch process and the inputted instruction is transmitted to a semantics/syntax analyzing process(ST25-ST29). If the inputted instruction is an operator management instruction, an operator management menu for processing a management instruction is generated and operator information is managed(S30-S34).
Patent KR-19990077921-A (KR)
Title: 폴리카보네이트계난연성수지조성물
IPC: C08L71/12
Filed: 1999-03-16
Abstract: 본 발명의 목적은 높은 내열성 및 내충격성과 우수한 난연성을 갖고 연소시에 부식성 또는 유독성 가스를 발생하지 않는 폴리카보네이트계 난연성 수지 조성물을 제공하는 것이다. 본 발명은 폴리카보네이트계 난연성 수지 조성물로서, 방향족 폴리카보네이트(A), 스티렌계 수지(B), 인산에스테르 화합물(C), 유기인 화합물(D), 및 임의로 플루오로카본 수지(E) 또는 폴리페닐렌 에테르계 수지(F)를 포함하고, 수지 조성물 중의 유기인 화합물(D)의 인 농도 대 인산에스테르 화합물(C)의 인 농도의 비 P D /P C 가 2 미만으로서 실질적으로 0을 포함하지 않는 폴리카보네이트계 난연성 수지 조성물을 제공한다.
Patent KR-19990078012-A (KR)
Title: 삽입부재를갖춘인플레이터의이니시에이터
IPC: B60R21/26
Filed: 1999-03-18
Abstract: 본 발명은 운송수단내의 인플레이터에 이용되는 이니시에이터 조립체를 제공한다.  상기 이니시에이터 조립체는 이니시에이터 조립체에 절연재로 사출성형되는 일체로 형성되며 단일편(one-piece)인 삽입부재를 포함한다.  상기 삽입부재는 이니시에이터 조립체가 점화되기 전후에 인플레이터 하우징에 대하여 적절한 위치에서 상기 이니시에이터 조립체를 적절하게 고정시키기 위한 이니시에이터 어댑터에 맞물려진다.  상기 삽입부재는 다수의 다른 실시예들을 포함할 수 있으며, 상기 각각의 실시예에서는 이니시에이터 어댑터와 맞물리는 쇼울더의 길이가 비교적 짧은 것을 특징으로 한다.
Patent KR-20000065739-A (KR)
Inventor: LEE YEONG JU
IPC: G11B7/1362
Filed: 1999-04-08
Abstract: PURPOSE: A micro-mirror device and optical pick-up apparatus using the device precisely controls a position of an optical data storing unit between data track pitches, and improves an integrating level of the optical data storing unit. CONSTITUTION: A micro-mirror device(20) comprises a mirror driving portion formed on a substrate(21), and a mirror portion(22) moved upward and downward in parallel by the mirror driving portion. In the device, the mirror driving portion comprises a piezoelectric actuator displaced responding to an input signal, a connecting portion connected with the mirror portion and the piezoelectric actuator to transmit a displacement of the actuator to the mirror portion and moving the mirror portion. An optical pick-up apparatus using the device comprises an optical module for generating light, a concentrating portion for concentrating the light from the optical module on a surface of an optical data recording medium, an optical detecting portion for converting the light reflected by the optical data recording medium into an electric signal, an optical separating portion positioned between the optical module and the concentrating portion to transmit the light from the optical module to the concentrating portion and transmit the light through the concentrating portion to the optical detecting portion.
Patent KR-19990083079-A (KR)
Title: 접히는 루프를 가지는 컨버터블 차량용 트렁크 덮개
IPC: B62D25/10
Filed: 1999-04-09
Abstract: 본 발명에 따른 접히는 루프를 가지는 컨버터블 차량용 트렁크 덮개는, 한편으로는 접힌 루프(2)를 트렁크(3) 내에 챙겨 넣기 위해 그리고 다른 한편으로는 짐싣기를 위한 트렁크(3)로의 접근이 가능하도록 그 트렁크 덮개(1)를 열기 위한 수단을 구비하며, 좌측에서 우측으로의 회전 또는 그 반대방향으로의 회전에 의해 열릴 수 있도록, 트렁크 덮개(1)는 트렁크(3)의 일측면상에서 차량의 차체의 일부분(4)과 관절로 연결된다.
Patent KR-20000065890-A (KR)
Inventor: HWANG YEONG SU
IPC: F16K31/06
Filed: 1999-04-10
Abstract: PURPOSE: A solenoid valve is provided to rapidly form and to release a vacuum in a hydraulic circuit for supplying a vacuum. CONSTITUTION: In a component adsorbing step, air blows through a secondary vacuum pipe(27) and a vacuum from a vacuum chamber(29) is supplied to a component suction nozzle(31). Then, the vacuum lower than a main vacuum is applied to the nozzle as the vacuum chamber. In a component installing step, the main vacuum is released and a solenoid valve(28) is converted to a second position. Then, the vacuum chamber and the component suction nozzle are connected. Thereby, a component is rapidly installed in a certain position.
Patent KR-19990064570-A (KR)
Title: 석재 패널의 부착구조
Filed: 1999-04-08
Abstract: [과제] 
     석재 패널의 강도를 유지하면서, 박형화 및 경량화할 수가 있고, 작업성을 향상시킬 수 가 있음과 동시에 비용 절감을 도모할 수 있는 석재 패널의 부착구조를 제공한다. 
     [해결수단] 
     직사각형 판상을 이루는 석재 패널(11)의 단면에는 계합 홈(12)이 마련되어 있다. 부착 플레이트(14)는 스테인리스 강판을 소정 위치에서 절곡함으로써 계합 홈(12)과 석재 패널의 이면(11a)에 계합되도록 형성되어 석재 패널(11)의 상하 양단에 부착되어 있다. 그리고 석재 패널(11)은 부착 플레이트(14)를 통하여 연결 부재(19)에 연결되고, 구조 구체(23)에 고정되어 있다. 연결 부재(19)는 연결 볼트(20)와 다보 볼트(21)와 위치 결정 플레이트(22)를 구비하고, 이것에 의해 위치 조절수단이 형성되어 있다. 그리고 다보 볼트(21)를 회동시킴으로써 인접하는 석재 패널(11) 사이의 간격을 조정할 수 있도록 되어있다.
Patent KR-20000066475-A (KR)
Inventor: KWON YOUNG SOO
IPC: A01G9/24
Filed: 1999-04-16
Abstract: PURPOSE: An automatic apparatus for opening and closing the cover of a house is provided, to prevent a rope from being taken out of. CONSTITUTION: The apparatus is such that the first rope(41) which interlocks a cover(12) and an offset drum(30) by a mash clutch, is rolled and unrolled; the second winding drum(40-1) is raced, thereby a cover(12) is spread when the first offset drum(40) winds the first rope(41); the first rope(41) is unwound from an offset drum(30) and the second rope(41-1) is wound to the outer side of the cover(12) by an interlocking part(50) when the second winding drum(40-1) is interlocked and draws the second rope(41-1); and a cover(12) is spread when the second rope(41-1) is drawn. A guide(70) is formed in the outer circumference of the offset drum(30) to prevent a rope from being taken out of at the winding groove of the offset drum(30).
Patent KR-20000066614-A (KR)
Inventor: EUM GUG BEA
IPC: F03G7/00
Filed: 1999-04-19
Abstract: PURPOSE: A reciprocating engine is provided to prevent environmental contamination by eliminating generation of exhaust gas, and obtain a power higher than that of an electric motor car. CONSTITUTION: A reciprocating engine comprises upper and lower electromagnetic force generating units(10,20), a reciprocating member unit(110) having an iron core(80) and a guide coupling member(100) formed at both blades of the reciprocating member unit, a main body unit(120) having a guide rod(90) coupled with the guide coupling member of the reciprocating member unit, the guide rod being arranged to be slidable, the first connecting rod(50) and the second connecting rod for connecting a crank arm and the reciprocating member unit, and a control unit for supplying and distributing a power to the upper and lower electromagnetic force generating units.
Patent KR-19990087942-A (KR)
Title: 배수밸브개폐제어장치
IPC: H02K7/06
Filed: 1999-04-20
Abstract: 배수밸브 개폐동작의 확실성과 기구를 더욱 더 단순화하는 것을 목적으로 함과 동시에 배수밸브의 폐쇄동작시에 충격음의 문제를 대폭으로 개선하고 또한 저원가화도 가능하게 하는 것을 그 과제로 한다. 
     이를 해결하기 위한 수단으로 이 배수밸브 개폐제어장치는 완전폐쇄상태로의 복귀력을 받는 배수밸브를 배수밸브 개폐구동원(1)의 회전력을 이용하여 개폐동작시킨다.  그리고 배수밸브 개폐구동원(1)의 회전력이 전달되는 출력축(9)과 출력축(9)의 회전력을 받아 회전하고, 그 회전력을 직선적인 왕복운동으로 하여 출력함으로써 배수밸브의 개폐조작을 하는 밸브개폐 조작부(10)와, 출력축(9)의 회전력을 밸브개폐 조작부(10)에 대해 접속 분리가 가능하도록 전달하는 원웨이 클러치기구를 갖고, 밸브개폐 조작부(10)는 배수밸브를 개방상태로 할 때는 원웨이 클러치에 의해 출력축(9)의 회전력이 전달되어 일방향으로 회전하고, 소정각도 회전한 위치에서 배수밸브를 완전개방상태로 하는 동작을 행하며, 그 상태로부터 배수밸브를 완전폐쇄상태로 할 때는 출력축(9)의 회전과 함께 회전을 재개하여 소정의 회전위치에 도달하면 원웨이 클러치에 의해 출력축(9)에서의 회전력 전달이 해제되고, 배수밸브가 갖는 완전폐쇄상태로의 복귀력에 의해 회전하여 배수밸브를 완전폐쇄상태로 하는 동작을 하도록 하고 있다.