baber/WOPTO huggingface dataset:
Patent KR-19990087440-A (KR)
Title: 반도체레이저디바이스를이용한레이저광발생회로
IPC: H01S5/062
Filed: 1998-03-12
Abstract: 본 발명은 불요복사 규격을 충분히 만족시킨 고주파 발진기를 제공하고, 정합용량을 일의적으로 결정하도록 하며, 발진기의 발진레벨을 낮추고, 불요복사를 저감시킨 고주파 발진기를 얻기 위해, 반도체 레이저(LD1)를 구동시키는 고주파 발진기(CT1)에 있어서, 그 어스 라인에 사용주파수에서 높은 임피던스를 나타내는 인덕터 소자(L5)를 삽입하여, 발진기의 어스 라인과 다른 어스 라인의 사이를 고주파적으로 분리시켰다. 또한, 고주파 발진기(CT1)의 전원단자(Vcc), 반도체 레이저(LD1)의 전원단자(LDD) 및 반도체 레이저의 발광량 확인용 단자(PD)에도 인덕터 소자(L6~L8)를 삽입하고, 상기 각 인덕터 소자를 페라이트 비즈(FB2~FB5)로 구성하였다. 그 페라이트 비즈(FB2~FB5)는 일체로 된 페라이트 비즈 어레이로 했다. 더욱이, 반도체 레이저(LD1)에 근접한 적어도 2주파의 고주파전류를 직류전류에 중첩시켜서 구동시키도록 한 레이저광 발생회로로 하였다.
Patent KR-19990087616-A (KR)
IPC: D21H17/14
Filed: 1997-03-10
Abstract: A dry clay composition consisting of an alkaline earth bentonite is activated by mixing with an aqueous activating solution containing an alkali metal or ammonium salt of a sequestering agent selected from phosphonate, hydroxy carboxylic acids, amino carboxylic acids and di or tri carboxylic acids. Also claimed is a paper-making process comprising forming a cellulosic suspension, mixing an activated bentonite dispersion into the suspension, draining water from the suspension and drying the wet sheet obtained. The bentonite dispersion is made by the above process, optionally followed by dilution.
Patent KR-20000065155-A (KR)
Title: 유도성헤드및자기저항성헤드를이용하는자기데이터판독장치및방법
IPC: G11B5/035
Filed: 1997-04-25
Abstract: 고정 디스크 드라이브 유닛(12)은 유도성 헤드(44)와 자기 저항성 헤드(46)를 모두 구비하는 헤드 어셈블리(28)를 포함한다.  정보가 디스크 면(20)으로부터 판독될 때, 유도성 헤드(44) 및 자기 저항성 헤드(46)로부터의 신호를 결합하여 출력 신호를 제공하도록 함으로써, 두 신호중 어느 한 신호만을 이용할 때의 단점을 극복한다.  자기 저항성 신호 및 유도성 신호의 상대적 이득 기여(MR, IND)는 헤드 어셈블리(28)의 자기 디스크(18)상에서의 방사상 위치에 따라 그리고 판독되는 정보가 데이터 정보(24A)인지 또는 서보 위치 정보(24B)인지의 여부에 따라, 성능을 최적화하도록 변한다.  유도성 신호는 데이터 회복 절차의 헤드 쉬프트 동작(136) 동안 무시된다.
Patent KR-20000016084-A (KR)
Title: Improved microphones for an implantable hearing aid
Inventor: RESHINSKI S JORJI
IPC: H04R25/00
Filed: 1997-05-23
Abstract: PURPOSE: An improved microphone used for an implantable hearing aid is provided that the microphone's diaphragm forms a surface of the electronics module's housing. CONSTITUTION: The implantable sealed microphone (50) includes a diaphragm (52) having a thin central region (54) surrounded by a thicker rim (56). One side of sheet electret material (72) is bonded to the diaphragm (52) while the other side contacts a roughened plate (82). The rim (56) is bonded to a housing (112) thereby hermetically enclosing the electret (72) and the plate (82). The microphone (50) also includes an electrical connector (94) that couples both the plate (82) and the electret (72) to an input of an amplifier (30) included in an implantable hearing aid system (10). Preferably, the microphone(50) is incorporated into a sealed electronics module (100) together with the amplifier (30) and an energy storage device such as a battery that energizes operation of the implantable hearing aid system (10). In such a configuration, an electrical connector (134) couples an output signal from the amplifier (30) to a microactuator (32) of the implantable hearing aid system (10).
Patent KR-20000052052-A (KR)
Inventor: LEE SANG JOON
IPC: H04N5/232
Filed: 1999-01-29
Abstract: PURPOSE: A digital image processing system capable of capturing a lattice image and a mobile image is provided to control the synchronization of a pulse laser and a camera. CONSTITUTION: A digital image processing system capable of capturing a lattice image and a mobile image includes an input signal detector(200), a time set, a counter(220), an output and a controller(210). The input signal detector(200) detects whether a synchronous control starting signal for a vertical synchronous signal from the controller and the pulse laser is applied. The time set includes time preset corresponding to the time from the vertical signal application to an oscillation request signal of the pulse laser. The counter(220) is activated when the vertical synchronous signal is applied, and counts clock signal which is applied at a predetermined interval. The output outputs the oscillation request signal to the pulse laser driver. The controller(210) controls the operation time of the counter in order to control the synchronization period.
Patent KR-19990072370-A (KR)
IPC: G06T15/04
Filed: 1999-02-02
Abstract: 본 발명에 따르면, 임의의 형상을 갖는 물체를 포함하는 전경(前景) 화상을 배경(背景) 화상에 합성시키는 화상 합성 방법에 있어서, 합성 화상에 있어서의 전경 물체의 경계 부분에서의 화질을 향상시킨다. 
     전경 화상과 배경 화상의 경계 부분에 걸쳐 배열되는 화소에 대하여, 처리 대상으로 되는 피처리 화소의 형상 데이터를 평활화한 후(단계 410)에, 전경 화상과 배경 화상 사이에서 텍스쳐 데이터의 합성을 실행한다(단계 412).
Patent KR-20000055033-A (KR)
Inventor: LEE YANG SU
IPC: H05K3/04
Filed: 1999-02-02
Abstract: PURPOSE: A method for manufacturing a multi layered metal printed circuit board is to supply a facile radiate heat, thereby improving a quality of product. CONSTITUTION: A method for manufacturing a multi layered metal printed circuit board comprises steps of adhering a copper thin film(1) on a face of a metal board(10) with an insulating adhesive to form a metal single side board having a circuit layer formed of the copper thin film and a base layer formed of a metal, firstly performing a hole-process of the metal single side board to form a connecting hole(11) passing through the copper thin film and the metal board, coating the insulating adhesive on the other side of the metal board to be filled in the connecting hole and adhering the copper thin film on the other face of the metal board to form a metal double side board, secondly performing the hole-process of the metal double side board to form an insulating layer(12) in an inner circumference of the connecting hole, forming a printed pattern on both faces of the metal double side board, and performing a vacuum-pressing process of the metal double side board.
Patent KR-20000055209-A (KR)
Inventor: JEON SI MUN
IPC: D06F35/00
Filed: 1999-02-04
Abstract: PURPOSE: A washing machine having an inclinable washing-tub is provided, which improves washing effect by inclining a washing-tub at regular angle during washing or rinsing automatically and prevents vibration or noises occurred by standing a washing-tub. CONSTITUTION: A washing machine having an inclinable washing-tub comprises; a washing-tub (60) installed to hang in an outer case (51); a pivot member (82)(92), which is installed to an outer case (51) and has a female screw (82a)(92a); a rod (81)(91) which has a male screw (81a)(91b) in gear with a female screw (82a)(92a) of a pivot member (82)(92) and fixes a washing-tub (60); a driving motor (100) which rotates a rod (81)(91).
Patent KR-19990072654-A (KR)
Title: 안테나스위치회로
IPC: H03K17/687
Filed: 1999-02-12
Abstract: 본 발명은 크로스 모듈레이션 왜곡의 발생을 억제하는 안테나 스위치회로를 제공한다.    안테나 스위치회로는 입력단자 및 출력단자와, 소스전극과 드레인 전극 중 제 1전극은 입력단자와 접속하고 소스전극과 드레인 전극 중 제 2전극은 출력단자와 접속하는 전계효과 트랜지스터와, 전계효과 트랜지스터의 드레인 전극과 소스전극이 각각 제 1 및 제 2 바이어스 소자를 통해 접속되는 제 1제어전원과, 전계효과 트랜지스터의 게이트전극이 제 3바이어스 소자를 통해서 접속되는 제 2제어전원과, 전계효과 트랜지스터의 제 2전극과 게이트전극 사이에서 직렬로 접속되는 위상 시프트 소자와 귀환 저항기를 포함하여 구성된다.    제 1 및 제 2제어전원 중 적어도 하나의 전압을 변경시킴으로써, 전계효과 트랜지스터는 "온"과 "오프" 사이에서 제어된다.
Patent KR-20000047367-A (KR)
Inventor: MIMURA KENJI
IPC: F16D7/00
Filed: 1999-02-19
Abstract: PURPOSE: A generator for friction resistance is provided to used as an instrument for giving random resistance to rotation of mechanisms with friction force and to generate stable friction resistance more efficiently. CONSTITUTION: A rotor(1) and a stator face each other centering on plural rollers(2) in a diameter direction. The angle between the shaft of each roller and the rotary shaft of the rotor is in a range of 5-20 degrees, and the angle between the shaft of each roller and a plane including the rotary shaft of the rotor is within 25-90 degrees. Thus, friction torque is effective and stable all the times and each different friction force are generated depending on the rotational direction of the rotor.
Patent KR-19990078237-A (KR)
Title: 비터비 알고리즘을 구현하는 가산 비교 선택 회로 및 방법
IPC: G06F11/10
Filed: 1999-03-25
Abstract: 본 발명은 비터비(Viterbi) 알고리즘을 이용하는 검출기 시스템에 관한 것으로, 검출기 시스템은 채널 출력 샘플의 관측된 시퀀스에 대해서 최적의 수신 심볼 시퀀스(most likely received symbol sequence)를 결정하는 이중 상태 트렐리스 구조(double-state trellis structure)를 구성하는 장치 및 방법을 포함한다.  이중 상태 트렐리스에 있어서, 동일한 분기 메트릭을 갖고 경로 선택 동안에 동일한 결정을 갖는 상태 쌍이 식별되어, 이들 상태 쌍이 이전 상태 메트릭의 비교 동작에 공유되도록 한다.  따라서, 갱신 또는 현재 상태 메트릭 값을 계산하기 위해서, 가산, 비교 및 선택(ACS) 회로는 이전 상태 메트릭 값만을 비교하여 두 상태 사이에서의 천이에 대한 최소 값을 결정하는 반면, 각 이전 상태 메트릭 값과 그에 대응하는 분기 메트릭을 조합하여 갱신 또는 현재의 상태 메트릭 값을 제공한다.
Patent KR-20000065357-A (KR)
Inventor: OH SEONG WON
IPC: H04B7/155
Filed: 1999-04-02
Abstract: PURPOSE: A method for monitoring the status of a base station in the mobile communication system is provided to easily monitor and log a channel card state, channel element state and call tracking information, which carry out CDMA modulation/demodulation in a base station, through a TSB DM(Transcoder & Selector Bank Diagnostic Monitor) screen subordinated to a base station controller. CONSTITUTION: A receiving signal is inputted from a TSB(S10), a channel card software discriminates whether there is a call tracking request in a time synchronizing signal(S11). If there is the call tracking request, the channel card software collects data stores them in a buffer memory(S12). It is discriminated whether the collected data are normal messages, error messages or logging data(S14-S16). The channel card software, processing each corresponding data according to the messages respectively, stores them in an output buffer(S17) and transmits them to a TSB DM(S18).
Patent KR-20000066572-A (KR)
Inventor: LEE SANG HO
IPC: B66C13/06
Filed: 1999-04-19
Abstract: PURPOSE: A crane is provided to prevent a weight hung on a rope from swaying by an automatic shake arrester system. CONSTITUTION: A driver of a crane controls the speed of a trolley for unloading container boxes. The crane receives a speed value from the driver and the length of a weight fixing portion(200) from a rope length measurer(110). Then, the crane controls the rope by accelerating or decelerating the trolley and the controlled value is transmitted to a main control board in a local network. A shake after a first acceleration is offset by secondarily accelerating the trolley.
Patent KR-20000005628-A (KR)
Title: Grill device
Inventor: KURACHI YAMASHU
IPC: A47J37/06
Filed: 1999-04-21
Abstract: PURPOSE: A grill device is provided to efficiently cool a grill fan with a small amount of air. CONSTITUTION: The grill chamber(2) having an entrance on the front part and contacted with an exhaust pipe on the rear part consists of:a heating source on the; a grill fan(4) freely incoming and outgoing; a gridiron(5) for putting a cooking material on the upper part of the grill fan(4); and an aspirator for introducing the outer air to the gill chamber(2) from the front part of a grill door(3) when closing the entrance with the grill door(3).
Patent KR-19990064691-A (KR)
Title: 이온수를 사용한 쌀의 세척방법
IPC: A47J43/24
Filed: 1999-04-29
Abstract: 본 발명은 이온수를 사용한 쌀의 세척방법에 관한 것으로서, 
     종래에는 이온수가 아닌 수돗물을 사용하였기 때문에 세척하더라도 살균효과가 없고 강과 이물질이 그대로 묻어 있으며 단기간에 변질이 되는 결점이 있었다. 
     본 발명은 예시도2와 같이 연삭기(8), 정미기(9), 색채선별기(11) 등을 순차적으로 거쳐 쌀을 생산함에 있어서, 
     제1차 연미기(15)와 제2차연미기(16)에서 산성이온수와 알카리 이온수로 쌀을 세척하여 백미탱크(13)로 이송함을 특징으로 하는 이온수를 사용한 쌀의 세척방법이다.
Patent KR-19990083595-A (KR)
Title: 반사식액정표시장치
IPC: G02F1/1335
Filed: 1999-04-29
Abstract: 액정 셀, 편광부(2) 및 적어도 하나의 지연층(13)으로 구성되어 있고, 액정 셀은 투명 전극(12)을 가진 제 1 기판(8) 및 반사 전극(10)을 가진 제 2 기판(7)을 포함하고, 액정(9)이 그들 사이에, 이 액정이 무 전압 상태에서(16) 또한 전압이 인가된 상태에서도(17) 이중굴절 효과를 나타내도록, 봉입되어 있는 반사식 액정 표시 장치가 추천되어 있다. 본 발명에 따라, 액정(9)과 지연층(13)은, 액정에 의한 또한 지연층에 의한 이중굴절의 파장 의존성이 서로 실질적으로 보상되도록, 배치되고 서로 조화되어 있다.
Patent KR-20000073040-A (KR)
Inventor: KO CHANG BOK
IPC: B01D46/10
Filed: 1999-05-04
Abstract: PURPOSE: A plate shape scrabber dust collecting device which is efficiently collects dusts of exhaust gas discharged from a burning furnace is provided. CONSTITUTION: The device comprises: (i) a distributing plate(3) having many rectangular holes which is fixed on a discharge inflow hole(2) of a moving body of a dust collecting device(1); (ii) a fluid route area control plate(5) having a saw-toothed fluid route area control stopper(6) which is installed on the lower part of the distributing plate to pass the saw-toothed fluid route area control stopper(6) through a distributing plate hole(3). In the device, the exhaust gas fluid route area of the distributing plate hole is regulated to eliminate pollutants in the distributing plate hole.
Patent KR-19990088350-A (KR)
IPC: H02M7/5387
Filed: 1999-05-18
Abstract: 각각의 트랜지스터 쌍이 전원 및 접지 간에 직렬로 접속되는 3쌍의 트랜지스터를 포함하는 전원 인버터를 활성화하는 방법이 개시되어 있으며, 상기 각각의 트랜지스터 쌍에서의 제1 트랜지스터의 활성화는 전압을 3상 부하의 3개의 부분 중 하나에 인가시키며, 각각의 연속하는 일련의 주기 동안 상기 제1 트랜지스터의 활성화 선택 및 기간은 6개의 비제로 벡터 및 두개의 제로 벡터 U0, U60, U120, U180, U240, U300 및 두개의 제로 벡터 O(000), O(111)로 표현된다. 
     상기 방법은 우선 상기 두개의 비제로 벡터 중 제1 벡터에 대한 제1 기간, 상기 두개의 비제로 벡터 중 제2 벡터에 대한 제2 기간 및 상기 제1 더하기 제2 기간과 주기 간의 차이인 상기 제로 벡터 중 임의의 것에 대한 제3 기간을 포함하는 상기 주기 동안 적절한 전압을 상기 3상 부하에 인가시키도록 두개의 비제로 공간 벡터를 결정하는 단계를 포함한다.  그 다음, 상기 제1 트랜지스터는 상기 제1 기간의 절반 동안 상기 제1 비제로 벡터에 따라 활성화된다.  그 다음, 상기 제1 트랜지스터는 상기 제2 기간의 절반 동안 상기 제2 비제로 벡터에 따라 활성화된다.  그 다음, 상기 제1 트랜지스터는 상기 제3 기간 동안 상기 제로 벡터에 따라 활성화된다.  상기 제1 트랜지스터는 상기 제2 기간의 절반 동안 상기 제2 비제로 벡터에 따라 활성화된다.  마지막으로, 상기 제1 트랜지스터는 상기 제1 기간의 절반 동안 상기 제1 비제로 벡터에 따라 활성화된다. 
     상기 벡터 트랜지스터의 활성화는 대칭적이다.  상기 트랜지스터의 활성화는 상기 주기에 대해 집중되어 위상 전류 하모닉 왜곡을 최소화시킨다.
Patent KR-19990068548-A (KR)
Filed: 1999-06-01
Abstract: 본 발명에서는 고분자화합물의 열분해시 촉매로서 [점토]에 산화금속 및 다공질성형제(목제가루, 가연성 유기물분말)을 혼합 성형, 건조, 소결하여 촉매로 사용했을 때 사슬형 탄화수수를 가진 탄화수소(이성질체;ISOMER)로 개질이 가능하며, 탈염소반응의 우수한 촉매효과를 얻을 수 있다. 염산에 녹지 않아 연속사용이 가능하다.
Patent KR-20010001206-A (KR)
Inventor: KIM SEUNG JUN
IPC: H01L21/76
Filed: 1999-06-02
Abstract: PURPOSE: A method for manufacturing a shallow trench for isolating a semiconductor device is provided to intensify a leakage current characteristic in a corner portion of the trench, by implanting ions into a silicon wafer using a patterned nitride layer as a mask, and by diffusing the implanted ions to the corner portion through an annealing process after etching the trench. CONSTITUTION: After a silicon wafer(11) is thermally oxidized to grow a pad oxidation layer(12), a nitride layer(13) is evaporated on the pad oxidation layer. The nitride layer and the pad oxidation layer are patterned to form a nitride layer pattern for a trench etch. Ions are injected into the entire surface of the silicon wafer by using the nitride layer pattern as a mask. A predetermined depth of the exposed silicon wafer by using the nitride layer pattern is etched to form a trench, and the silicon wafer is annealed. The silicon wafer is thermally oxidized to grow a liner oxidation layer on an inner wall of the trench. An atmospheric pressure chemical vapor deposition(APCVD) process is performed regarding the entire surface of the silicon wafer to form a thick oxidation layer for filling the trench. The oxidation layer is planarized by a chemical mechanical polishing(CMP) process using the nitride layer pattern as a buffer layer. The nitride layer pattern is eliminated by wet etching.
Patent KR-20010002433-A (KR)
Inventor: YANG YEONG MO
IPC: B60H1/00
Filed: 1999-06-15
Abstract: PURPOSE: An apparatus is provided to prevent fuel waste and accident by allowing an air conditioner to be automatically turned on/off within a set time range. CONSTITUTION: An apparatus comprises an air conditioner on/off switch(S1) for turning an air conditioner mounted to a vehicle, a timer setting unit(1) for setting different time zone, a time selection switch unit(2) having a plurality of switches(S2-S4) for selecting time by turning the timer setting unit on, a controller(3) for controlling the operation of the air conditioner in accordance with on/off operation of the air conditioner on/off switch, and outputting a control signal of a predetermined width during the time period selected by the time selection switch unit, and a transistor(Q) turned on/off in accordance with the control signal output from the controller so as to drive the air conditioner. When the air conditioner on/off switch is turned on, and the switch selected from those of the time selection switch unit is turned on, the air conditioner is repeatedly turned on/off within the time range set by the timer setting unit.
Patent KR-20000006380-A (KR)
Inventor: HUANGSI CHIN
IPC: B22D27/04
Filed: 1999-06-23
Abstract: PURPOSE: A cast super alloy product is provided to have a more than 150um primary dendrites arm space and the one way crystalline structure without defect. CONSTITUTION: The cast super alloy product comprises the steps of:injecting melted super alloy metal inside a preheated mold; retreating the mold that has the super alloy metal melted by sufficient returning speed to solidify the melted metal, into a liquid cooling tank from a heated area; and cooling the mold to contain a cast uni-crystal or a cast multi-crystal without defect.
Patent KR-20010004359-A (KR)
Inventor: YANG U SEOK
IPC: H01L27/10
Filed: 1999-06-28
Abstract: PURPOSE: A method for a ferroelectric memory device for preventing hydrogen diffusion using oxygen plasma is provided to effectively prevent a ferroelectric characteristic from being deteriorated by hydrogen diffusion, by performing a plasma process using oxygen before forming an interlayer dielectric, an insulating layer between metal lines and a passivation layer. CONSTITUTION: A capacitor composed of a storage electrode, a ferroelectric layer and a plate electrode is formed on a semiconductor substrate in which a transistor is formed. A plasma process using oxygen is performed to leave oxygen atoms and ions on the entire structure. The first interlayer dielectric is formed on the entire structure.
Patent KR-20010004686-A (KR)
Title: Output driver
Inventor: NAM JONG GI
IPC: H03K17/00
Filed: 1999-06-29
Abstract: PURPOSE: An output driver is provided which prevents a threshold voltage from raising due to back bias effect and reduces a variation in the swing width of an output voltage with respect to a change in an external power supply voltage to improve immunity to noises. CONSTITUTION: In an output driver including an NMOS pull-up device and NMOS pull-down device, a first switch is selectively turned on by an enable signal for controlling driving to connect the bulk of the pull-up device to its source. A switch selectively connect the voltage of the bulk of the pull-up device to the ground based on the state of the enable signal. The bulk of the pull-up device is a triple well structure configured of P-wells. The first and second switches are configured of NMOSs.
Patent KR-20010009259-A (KR)
Inventor: JONG SUN JO
IPC: H01Q1/24
Filed: 1999-07-08
Abstract: PURPOSE: An antenna for mobile telephone is provided to improve appearance and avoid inconvenience in use by having an on-board multi-layer structure of the antenna within a case of the telephone while maintaining transmitting/receiving ability. CONSTITUTION: An antenna having an on-board multi-layer structure comprises a multi-layer board(10) and a connector(20) underlying the multi-layer board(10). The multi-layer board(10) includes a top plate(11), a base plate(14) overlying the connector(20) and metal plates between the top and base plates(11,14). The metal plates are adhered by an epoxy resin to form a dielectric body(12). Middle patterns(13) are formed on the metal plates by an etching to form a coil configuration when the metal plates are contacted together. A dielectric antenna is constructed to have a resonant point correctly in the central band of a transmitting/receiving frequency.
Patent KR-20010009364-A (KR)
Inventor: KIM BO YEAN
IPC: G06F1/16
Filed: 1999-07-09
Abstract: PURPOSE: An office system inside a vehicle using a notebook is provided to use an inside space of the vehicle as an office space containing a peculiar function of the vehicle, to be able to install and release the notebook and to use a keyboard as a sun visor. CONSTITUTION: An internal device(200) stores and withdraws a notebook(110) inside an instrument panel(100) according to a user's purpose. An external device fixes the internal device(200) outside the instrument panel(100) and varies a position of the internal device(200). A keyboard installing device(400) installs a keyboard(120) in a steering wheel(130) to control the notebook(110) in the instrument panel(100) and use the keyboard as a sun visor when the keyboard is not used. The notebook(110) is installed and released in the internal device(200) and the external device according to a user's selection.
Patent KR-20010009369-A (KR)
Inventor: KWON YEONG SU
IPC: F04B39/00
Filed: 1999-07-09
Abstract: PURPOSE: A refrigerant compression structure is provided to prevent noise and simplify the structure as a whole by eliminating a suction valve and a discharge valve. CONSTITUTION: A suction hole(8a) and a discharge hole(8b) are formed at predetermined portions of an outer periphery of a cylinder(8A). A refrigerant hole(10a) is formed within a piston(10A) which slidably reciprocates within the cylinder, in such a manner that the refrigerant hole is selectively communicated to a compression space(S) arranged between the cylinder and the piston, the suction hole or the discharge hole. The refrigerant sucked through the suction hole is compressed by the reciprocal movement of the piston, and discharged through the discharge hole. When the piston reaches the bottom dead center, the outlet of the refrigerant hole is arranged to be matched to the suction hole of the cylinder while at the same time closing the discharge hole. When the piston reach the top dead center, the outlet of the refrigerant hole is arranged to be matched to the discharge hole of the cylinder while at the same time closing the suction hole.
Patent KR-20000011611-A (KR)
Inventor: BUIENKE BURNARD
IPC: F23D14/62
Filed: 1999-07-09
Abstract: PURPOSE: A method for processing products with the heating gas is provided to obtain the equal distribution of temperature of the heating gas without the pressure loss in a channel. CONSTITUTION: The method for processing products with the heating gas contains the steps of:mixing the burner gas with the colder mixed gas, comparing with the combustion gas by passing a mixer(56)(57); heating the added mixed gas in a compression side surface of a ventilator(55) by passing a guide path of the mixed gas; using the openings on an outer tube(57) and a lead tube(56) as a mixer for the burner gas and the added mixed gas; and equalizing the mixing with the colder gas by descending the temperature of the mixture made up of the burner gas and the added mixed gas lower than the burner gas and increasing the capacity of the mixture.
Patent KR-20000047440-A (KR)
Inventor: CHOI YONG WOON
IPC: C02F3/02
Filed: 1999-07-21
Abstract: PURPOSE: A treating method of wastewater using aeration is provided, which is characterized in that intermitted aeration and gradual decreasing aeration are used. CONSTITUTION: A method is composed of the first and the second reaction tank(6), a pump well, and ventilating room. The first and the second reaction tanks(6,10) are divided by a partition wall(7), and the flow can be controlled by the wall. The volume of the reaction tank is 1 - 2.5 times of the quantity of wastewater. Wastewater flows into the first reaction tank(6) which dissolved oxygen is highly concentrated, and transferred to the second reaction tank(10) which concentration of dissolved oxygen is low. Wastewater is aerated with intermittence, and after the aeration process, settling is proceeded for an hour in anaerobic condition.