baber/WOPTO huggingface dataset:
Patent KR-20210039654-A (KR)
Title: Data processing for detecting outlier method and device thereof
Inventor: WOOSUNG LEE
IPC: G06F16/26
Filed: 2019-10-02
Abstract: According to one embodiment of the present invention, a data processing method comprises: a step of acquiring data to be collected, performing pre-processing on the data to be collected, and detecting normal values, outliers, and missing values; a step of visualizing the detected normal values, outliers and missing values through an interface; and a step of providing, through the interface, metadata information that is a criterion for detecting the outlier in response to a user's request. Therefore, the present invention is capable of enabling augmented analysis from large amounts of raw and unstructured data.
Patent KR-20210039719-A (KR)
Title: Rail mounting structure of the door
Inventor: HUH SONG CHUN
IPC: E06B3/46
Filed: 2019-10-02
Abstract: The present invention relates to a rail coupling structure of a door, and it is possible to prevent damage to a hanger and connect the door to the hanger without using a separate bracket, thereby greatly improving the workability of a worker. The present invention comprises a rail frame; a hanger; and a connection frame.
Patent KR-20210041949-A (KR)
Title: Method for preparing porous material using arrow root
Inventor: KANG GEUN WOO
IPC: B09B3/00
Filed: 2019-10-08
Abstract: The present invention relates to a production method of a porous material using arrowroot, capable of minimizing the cost and time required for a treatment process and, more specifically, to a production method of a porous material using arrowroot, comprising the steps of: obtaining a starch component sample by separating a starch component of the arrowroot; swelling the starch component sample; and crystallizing the swollen starch component sample.
Patent KR-20210042222-A (KR)
Title: Semiconductor device
Inventor: BAE DEOKHAN
IPC: H01L29/423
Filed: 2019-10-08
Abstract: The present invention relates to a semiconductor device, and more particularly, includes: a substrate including a first active area; a first active pattern on the first active area; a gate electrode extending in a first direction while crossing the first active pattern; first source/drain patterns on the first active pattern, in which the first source/drain patterns are adjacent to one side of the gate electrode; a first interlayer insulating layer covering the gate electrode and the first source/drain patterns; and an active contact electrically connected to the first source/drain patterns through the first interlayer insulating layer. From a flat point of view, the active contact extends in the first direction, a top surface of the active contact includes a first protrusion, a second protrusion adjacent to the first protrusion in a second direction, and a first depression between the first and second protrusions, and the second direction intersects the first direction.
Patent KR-20210043850-A (KR)
Title: A portable water sterilization pure bottle
Inventor: LEE JEEHEE
IPC: A47G19/22
Filed: 2019-10-14
Abstract: The present invention relates to a portable water sterilization pure bottle capable of providing clean and safe water to infants. According to the present invention, the portable water sterilization pure bottle includes a bottle body main body, a straw cup handle, a UV module, and a straw cup closure.
Patent KR-20210045212-A (KR)
Title: Used metal plasma treatmemt apparatus and method
Inventor: KANG HONG JAE
IPC: C22B9/22
Filed: 2019-10-16
Abstract: A purpose of the present invention is to provide a used metal plasma treatment apparatus capable of extracting a high value-added high-purity metal (aluminum) resource by treating various kinds of used metal materials (for example, used aluminum) with plasma. According to one embodiment of the present invention, the used metal plasma treatment apparatus includes: a plasma treatment part forming a plasma jet by causing plasma discharge by injecting discharge gas and applying a high voltage; a used metal material supply part supplying a used metal material of a treatment target; a process embodying part formed in a part connecting the plasma treatment part with the used metal material supply part, to embody an oxidation reaction or a reduction reaction to the used metal material supplied to the plasma jet; and a metal resource collection part collecting a high-purity metal resource, which is extracted by removing impurities from the used metal material in the process embodying part, from the process embodying part.
Patent KR-20210045260-A (KR)
Inventor: HEO KI CHEOL
IPC: B60C29/06
Filed: 2019-10-16
Abstract: The present invention is an air pressure backflow prevention system, and the present invention relates to an invention for preventing accidents via early blockage so that compressed air does not flow back into the atmosphere by using the same for a compressed air tube. The present invention includes an air backflow blocking tube (3); and an electrodeposition agent (4).
Patent KR-20210046342-A (KR)
Title: Battery pack and device including the same
Inventor: CHOI JONGHWA
IPC: H01M10/6551
Filed: 2019-10-18
Abstract: The present invention relates to a battery pack which prevents heat transfer and to a device comprising the same. The battery pack comprises: a battery module frame accommodating a battery cell stack; a battery pack frame to which the battery module frame is mounted; and a battery module mounting part formed on the battery pack frame so that the battery module frame is mounted on the battery pack frame, wherein an insulating member is formed between the battery module mounting part and the battery module frame.
Patent KR-20210050372-A (KR)
Title: Touch display device and touch circuit
Inventor: JANG HYUNG UK
IPC: G06F3/041
Filed: 2019-10-28
Abstract: Embodiments of the present invention relate to a touch display device and a touch circuit, capable of effectively detecting a plurality of pens at the same time within a limited touch frame time (driving time) by simultaneously detecting pen information through pen data and detecting a pen position. The touch display device comprises: a touch panel; and a touch circuit.
Patent KR-20210050863-A (KR)
Title: Monitoring method for weilding process
Inventor: NOH JONG HO
IPC: B23K31/12
Filed: 2019-10-29
Abstract: The present invention relates to a method for monitoring a welding process, which can improve productivity, comprising the steps of: measuring data on a welding condition to collect the same in real time; setting an optimum welding standard; comparing the set optimal welding standard with the data collected in real time; and monitoring the welding condition.
Patent KR-20210051506-A (KR)
Title: IOT Convergence Mobile Smart Mushroom Cultivation Facility and system
Inventor: KUK CHAN HO
IPC: G06Q50/02
Filed: 2019-10-30
Abstract: The present invention relates to an IOT convergence mobile smart mushroom cultivation facility and a system thereof. The facility comprises: a housing; a trail provided in the housing and provided with a plurality of shelves on which a chamber for cultivating mushrooms is seated; a supply means supplying growth conditions necessary for cultivating mushrooms; and a control unit controlling the supply means. The supply means may be configured to include a moisture supply unit for supplying moisture to the mushroom and a lighting unit for irradiating light to the mushroom.
Patent KR-20200050426-A (KR)
Title: Method of manufacturing semiconductor devices and semiconductor devices
Inventor: HAN HUI AN
IPC: H01L29/78
Filed: 2019-10-31
Abstract: The present invention relates to a method of manufacturing a semiconductor device, which comprises: forming a gate dielectric layer over a channel region; forming a first conductive layer over the gate dielectric layer; forming a protective layer in a surface region of the first conductive layer; forming a metallic layer by applying a metal containing gas onto the protective layer; and removing the metallic layer by a wet etching operation using a solution. The protective layer is resistant to the solution of the wet etching operation.
Patent KR-20210053076-A (KR)
Title: Electric motor
Inventor: KIM JONGSU
IPC: H02K11/25
Filed: 2019-11-01
Abstract: The present invention relates to an electric motor. The electric motor includes a housing having an inlet through which a cooling fluid flows and an outlet through which the cooling fluid flows; a stator having a rotor accommodating hole therein, a first movement path formed to allow the cooling fluid to move between the housing and a second movement path formed to allow the cooling fluid to move to the rotor accommodation hole; a rotor rotatably disposed inside the rotor accommodating hole; and a cooling fluid restraining member disposed around the second movement path to suppress movement of the cooling fluid in the first movement path so that the movement of the cooling fluid in the second movement path is increased. Therefore, it is possible to provide an electric motor capable of intensive cooling of the inside of the stator and the rotor.
Patent KR-20210053646-A (KR)
Title: A blender and container thereof
Inventor: HYUNWOO PARK
IPC: A47J43/07
Filed: 2019-11-04
Abstract: The present invention relates to a blender and a blender container, wherein the blender container comprises: a container of which the upper surface is opened and a space for accommodating food is formed therein; a blade module which is mounted to penetrate the bottom surface of the container and includes a plurality of blades for grinding the food by rotation; a main lid which shields the opened upper surface of the container and has a through-hole opened to communicate with the inside of the container; and an auxiliary lid which is inserted into the through-hole and is configured to open and close the through-hole. An air vent is provided between the auxiliary lid and the inner surface of the through-hole for the air inside the container to be discharged to the outside, and an inlet and an outlet of the air vent are arranged on different vertical extension lines with respect to the bottom surface of the container. An objective of the present invention is to provide the blender container and the blender container lid easily removed and having improved usability.
Patent KR-20200106436-A (KR)
Title: X-ray inspection apparatus and x-ray inspection method
Inventor: TATSUMI MASAKI
IPC: G01N23/04
Filed: 2019-11-15
Abstract: An objective is to provide an X-ray inspection apparatus capable of enabling data transmission in real time by reducing the volume of data transmitted from a TDI sensor while maintaining a detection capability, and an X-ray inspection method. To achieve the objective, the X-ray inspection apparatus includes: an X-ray source; a specimen moving tool moving a specimen in a specific direction; a TDI sensor; and a TDI calculation part controlling the accumulation and transmission of charges with respect to a plurality of pixels (4g) in the specific direction. The TDI calculation part includes a data transmission part transmitting data of accumulated charges performing the accumulation and transmission of charges to the outside, presets a plurality of lines of line sensors (4l) capable of detecting a specimen as a determination area (4A), and has a function for detecting a specimen from the determination area. The data transmission part designates a row of a pixel detecting the specimen from the determination area and rows around the same row as detection rows, and transmits the data of the accumulated charges to the outside with respect to only pixels in the detection rows.
Patent KR-20210065800-A (KR)
Title: A Device for detecting lesion location by detecting position member
Inventor: YUN WOO JIN
IPC: A61B34/20
Filed: 2019-11-27
Abstract: The present invention provides a device for detecting a lesion position using a position detection unit. The device comprises: a metal position indication unit that is fixed at the patient's lesion position and stops the bleeding from the tissue at the lesion position; a position detection unit that detects the position indication unit; and a receiving unit that is connected to the position detection unit and receives a signal detected from the position detection unit. The position detection unit detects the lesion position using the resonance frequency generated by the position display unit.
Patent KR-20210067354-A (KR)
Title: Mortar composition for wall decoration
Inventor: KIM MIN GYU
IPC: C04B28/06
Filed: 2019-11-29
Abstract: The present invention relates to a mortar composition for wall decoration, and more particularly, to a mortar composition that can decorate a wall with a three-dimensional effect by applying the same to the wall, is maintained firmly in the external environment or impact, and is easy to exhibit decorative functions. The mortar applied to a wall surface comprises: 45 to 50 wt% of Portland cement; 10 to 15 wt% of illumina cement; 20 to 25 wt% of white cement; 5 to 10 wt% of a thickener; and 5 to 9 wt% of additional additives.
Patent KR-20210073236-A (KR)
Title: Substrate supporting module and Apparatus for processing substrate
Inventor: JONG CHONG HWAN
IPC: H01L21/67
Filed: 2019-12-10
Abstract: The present invention relates to a substrate support, which comprises: a susceptor having a pocket groove unit formed with a concave upper surface to allow a substrate to be seated on an upper surface in a circular plate shape in a circumferential direction; a shaft connected to a lower portion of the susceptor to rotate and drive the susceptor; and a satellite seated on the pocket groove units, and having the substrate seated on an upper surface thereof. The satellite includes: a satellite body rotated in a floating state from the pocket groove unit to rotate the substrate seated on a substrate seating unit of an upper surface thereof; a satellite shaft unit extending to a predetermined distance on a lower surface of the susceptor by passing through the pocket groove unit from a lower center of the satellite to transfer rotational power of a lower portion to the satellite body; and a rotation unit generally formed in a pinwheel shape by having a plurality of wing units protruding from the satellite shaft extending to a lower portion of the susceptor. Accordingly, the substrate can be prevented from being separated from the pocket groove unit.
Patent KR-20210075733-A (KR)
Inventor: BAIK JEONG MIN
IPC: C01F17/32
Filed: 2019-12-13
Abstract: The present invention relates to a synthesis method of perovskite oxide, comprising the steps of: (A) forming a first intermediate by mixing a first precursor represented by chemical formula 1: K_3(M^1(CN)_6) and a second precursor represented by chemical formula 2: M^2X_3; (B) adding an oxidizing agent to the first intermediate for an oxidation reaction to form a second intermediate; and (C) heating the second intermediate to form a perovskite oxide. In the above chemical formula 1, the description of M^1 to M^2 and X refers to what is described in the specification.
Patent KR-20210078587-A (KR)
Title: Handover Time Determination Method of Train Autonomous Driving Terminal
Inventor: JUNE HO BANG
IPC: B61L27/04
Filed: 2019-12-18
Abstract: The present invention relates to a method for determining the handover time of an autonomous on-train terminal, which can optimize the handover time of an on-train terminal performing autonomous driving, thereby increasing the communication reliability of the on-train terminal at the communication area boundary surface between wireless access points. The method comprises: a first step of receiving information on the current traveling speed of a train and the reference signal strength of source and target wireless access points from an autonomous on-train terminal; a second step of predicting the remaining time until the autonomous on-train terminal arrives at the communication area boundary surface between the source and target wireless access points by using the information on the traveling speed and the reference signal strength; and a third step of designating a handover start time at which the autonomous on-train terminal is connected to the target wireless access point based on the predicted remaining time.
Patent KR-20210083416-A (KR)
Title: Novel Indirubin-based N-Hydroxybenzamides, N-Hydroxypropenamides and N-Hydroxyheptanamides and its use
Inventor: HAN SANG BAE
IPC: C07D209/34
Filed: 2019-12-26
Abstract: The present invention relates to novel indirubin-based N-hydroxybenzamide, N-hydroxypropanamide and N-hydroxyheptanamide compounds as histone deacetylase (HDAC) inhibitors, and an anticancer composition comprising the same as an active component. More specifically, the compound according to the present invention has strong HDAC inhibitory activity, thereby being able to be used as a proliferation inhibitor for various cancer cells. Therefore, it is expected that the compound according to the present invention can be developed as an active component of a powerful anticancer agent.
Patent KR-20210082678-A (KR)
Title: Pump Tower of Liquefied Gas Storage Tank
Inventor: LEE HUI JUNG
IPC: B05B1/20
Filed: 2019-12-26
Abstract: Disclosed is a pump tower of a liquefied gas storage tank. The pump tower of the liquefied gas storage tank in accordance with the present invention comprises: a dome housing which is a structure mounted on a dome provided in the form of an opening on an upper portion of the liquefied gas storage tank, has a hollow inside, and includes a closed upper portion to seal the opening; and a charging pipe which is a pipe introducing liquefied gas from the outside into the liquefied gas storage tank, penetrates the dome housing, extends into the liquefied gas storage tank, and has a lower end portion directly fixed to a base support installed at the bottom of the liquefied gas storage tank so as to serve as a main support for a load acting on the pump tower. The charging pipe is designed to have a diameter larger than an actual fluid flow capacity to serve as the main support. In the charging pipe, a certain upper portion of the charging pipe is provided in a double pipe structure, and an outer pipe of the charging pipe is used as a spraying pipe to form a path for spraying the liquefied gas into the liquefied gas storage tank. A complex structure around the dome is simplified, thereby increasing productivity.
Patent KR-20210084918-A (KR)
Title: Scented air purifier
Inventor: CHOI EO JIN
IPC: A61L9/12
Filed: 2019-12-30
Abstract: The present invention relates to an air cleaner emitting a fragrance and purifying the air and, more specifically, to an air cleaner capable of purifying the air through traditional Korean paper and a HEPA filter, being manufactured of wood while equipped with additional LED lighting, having an anion dust collector installed therein to purify the air, and emitting a fragrance. According to the present invention, an anion generator installed in the air cleaner with traditional Korean paper emitting a fragrance electrically charges fine dust or the like in indoor air through the emission of a large amount of anions and suctions the indoor air, in which the fine dust or the like is electrically charged, into the air cleaner to collect the same with electrostatic gravitation, thereby bringing about an effect of increasing the efficiency of electric dust collection. Moreover, since the filter is dually manufactured with a HEPA filter and traditional Korean paper, a cycle of the HEPA filter can be extended by about three months only through the replacement of the traditional Korean paper, which can lead to an advantage of facilitating maintenance, and the body made of cypress and the traditional Korean paper can bring about beneficial effects such as deodorization, stress reduction, stabilization, refreshment, immunity enhancement and the like.
Patent KR-20190015474-A (KR)
Title: 열질탄의 개질 방법, 및 코크스의 제조 방법, 그리고 선철의 제조 방법
Inventor: YOSHIDA TAKUYA
IPC: C21B5/00
Filed: 2017-06-13
Abstract: 본 발명의 열질탄의 개질 방법은, 열질탄을 환원 처리하는 것에 요지를 갖는다.  또한, 본 발명의 코크스의 제조 방법은, 열질탄의 개질 방법에 의해 개질탄을 제조하고, 이 개질탄을 건류하는 것에 요지를 갖는다.  추가로, 본 발명의 선철 제조 방법은, 당해 코크스의 제조 방법으로 코크스를 제조하고, 얻어진 코크스를 석회석 및 철광석과 함께 고로에 투입하고, 철광석의 환원을 하는 것에 요지를 갖는다.  본 발명에 따르면, 저비용으로 고강도를 갖는 코크스의 제조에 유용한 열질탄의 개질 방법, 코크스의 제조 방법 및 선철의 제조 방법을 제공할 수 있다.
Patent KR-20190039398-A (KR)
Title: 무선 통신 시스템에서 상향링크 송수신 방법 및 이를 위한 장치
Inventor: PARK JONGHYUN
IPC: H04W52/14
Filed: 2018-05-04
Abstract: 무선 통신 시스템에서 상향링크 송수신 방법 및 이를 위한 장치가 개시된다. 구체적으로, 무선 통신 시스템에서 사용자 장치(UE: User Equipment)가 상향링크 전송하는 방법에 있어서, 기지국으로부터 사운딩 참조 신호(SRS: Sounding Reference Signal) 설정 정보를 수신하는 단계에서 있어서, 상기 SRS 설정 정보는 SRS 자원 세트 별로 SRS의 전력 제어를 위한 파라미터 세트를 포함하고, 상기 SRS 자원 세트는 하나 이상의 SRS 자원을 포함하는 단계 상기 SRS의 전력 제어를 위한 파라미터 세트를 기반으로 상기 SRS의 전송 전력(transmission power)을 결정하는 단계 및 상기 SRS를 상기 기지국에게 전송하는 단계를 포함할 수 있다.
Patent KR-20190042547-A (KR)
Title: 액체의 살균 도포를 위한 비살균 재사용 가능한 장치를 갖는 일회용 장치 및 디바이스
Inventor: BOLD THOMAS
IPC: A61B17/00
Filed: 2017-06-09
Abstract: 본 발명은 비살균 재사용 가능한 장치의 살균 처리를 위한 일회용 장치가 제공되는 것에 관한 것이다. 일회용 장치는 살균 상측부 및 밑면을 갖는 필름 및 살균 상측부 및 밑면을 갖는 적어도 하나의 어댑터를 포함하며, 어댑터의 살균 상측부는 살균 도포 디바이스를 수용하기에 적합하다. 본 발명의 장치는 어댑터의 밑면이 필름의 밑면과 비가역적인 기밀 연결을 형성하는 것을 특징으로 한다. 게다가, 살균 도포용 디바이스 및 비살균 재사용 가능한 장치의 살균 커버링을 위한 방법이 제공된다.
Patent KR-20190033567-A (KR)
Title: 신축성 전기전도성 접착 테이프
Inventor: CHOI JEONGWAN
IPC: C09J9/02
Filed: 2017-07-27
Abstract: 신축성 전도성 접착 테이프는 서로 반대편에 있는 제1 주 표면 및 제2 주 표면을 갖는 전기전도성 감압 접착제 층을 포함한다.  전기전도성 감압 접착제 층은 중합체 매트릭스 내에 배치된 전기전도성 신축성 천 및 전기전도성 입자를 포함한다.  전기전도성 감압 접착제 층은 모든 방향으로 전기전도성이다.  탄성 배킹이 전기전도성 감압 접착제 층의 제1 주 표면 상에 배치된다.
Patent KR-20190027931-A (KR)
Title: 조성물, 막, 근적외선 차단 필터, 패턴 형성 방법, 적층체, 고체 촬상 소자, 화상 표시 장치, 카메라 모듈 및 적외선 센서
Inventor: SAMEJIMA Suguru
IPC: G03F7/032
Filed: 2017-08-22
Abstract: 내열성 및 내광성이 우수한 막을 형성 가능한 조성물, 막, 근적외선 차단 필터, 패턴 형성 방법, 적층체, 고체 촬상 소자, 화상 표시 장치, 카메라 모듈 및 적외선 센서를 제공한다. 650~1000nm의 범위에 극대 흡수 파장을 갖는 근적외선 흡수 화합물과 유기 용제와 수지를 포함하고, 근적외선 흡수 화합물은, 피롤로피롤 화합물, 릴렌 화합물, 옥소놀 화합물, 스쿠아릴륨 화합물, 크로코늄 화합물, 아연 프탈로사이아닌 화합물, 코발트프탈로사이아닌 화합물, 바나듐프탈로사이아닌 화합물, 구리 프탈로사이아닌 화합물, 마그네슘프탈로사이아닌 화합물, 나프탈로사이아닌 화합물, 피릴륨 화합물, 아줄레늄 화합물, 인디고 화합물 및 피로메텐 화합물로부터 선택되는 적어도 1종이며, 또한 25℃의 프로필렌글라이콜메틸에터아세테이트에 대한 용해도가 0.01~30mg/L인 조성물.
Patent KR-20190026969-A (KR)
Title: 전력 게이팅 영역의 온도 및 프로세스 코너 감지 제어를 위한 시스템, 방법 및 장치
Inventor: LOVETT SIMON J
IPC: G11C7/06
Filed: 2017-08-16
Abstract: 전력 게이팅 영역의 온도 및 프로세스 코너 감지 제어를 위한 장치 및 방법이 기술된다. 예시적 장치는 내부 회로; 전력 공급선; 및 제어 신호의 제1 상태에서 제2 상태로의 제1 변화에 적어도 부분적으로 응답하여 전력 공급선으로부터 내부 회로로 전력 공급 장치 전압의 공급을 개시하고, 제어 신호의 제2 상태로부터 제1 상태로의 제2 변화로부터 적어도 타임아웃 기간 동안 전력 공급선으로부터 내부 회로로의 전력 공급 장치 전압 공급을 계속하는 전력 게이팅 제어 회로를 포함하고, 타임아웃 기간은 온도 의존성을 나타낸다.
Patent KR-20190034695-A (KR)
Title: 표면 실장 릴레이용 액정성 수지 조성물 및 이것을 이용한 표면 실장 릴레이
Inventor: FUKATSU HIROKI
IPC: C08K7/02
Filed: 2017-12-11
Abstract: 내열성이 우수하고, 블리스터의 발생 및 필러의 탈이가 억제되어 접착제에 의해 높은 접착 강도로 접착할 수 있는 성형품을 부여하는 표면 실장 릴레이용 액정성 수지 조성물, 및 이것을 이용한 표면 실장 릴레이용 부품 및 표면 실장 릴레이를 제공한다. 
본 발명에 따른 표면 실장 릴레이용 액정성 수지 조성물은, (A) 액정성 폴리머와, (B) 섬유상 충전제를 포함하고, 상기 (A) 액정성 폴리머는, 필수 구성 성분으로서 소정량의 다음 구성단위 (I)~(VI)로 이루어지는, 용융시에 광학적 이방성을 나타내는 전방향족 폴리에스테르아미드이고, 상기 (B) 섬유상 충전제는, 중량 평균 섬유 길이가 50~170㎛, 섬유 길이 20~200㎛의 획분의 함유율이 70질량% 이상이고, 상기 표면 실장 릴레이는, 베이스와, 상기 베이스로부터 돌출되는 단자를 구비하고, 상기 단자를 프린트 기판에 납땜하도록 한 표면 실장 릴레이인 액정성 수지 조성물.
Patent KR-20190042683-A (KR)
Title: 연료 전지 시스템
Inventor: OHGURI Nobuaki
IPC: H01M8/04701
Filed: 2018-02-26
Abstract: 연료 전지로부터의 배출 가스의 냉각을 효율적이며 또한 간이한 구성으로 실현할 수 있는 연료 전지 시스템을 제공한다. 주기계실(11)에는 연료 전지(20)가 설치된다. 보조 기계실(12)에는 냉각 공기를 취입하는 냉각 기기(40)가 설치된다. 천장 구멍부(13)는 보조 기계실(12)에 마련되며, 냉각 기기(40)에 의해 보조 기계실(12)에 취입된 냉각 공기를 외부에 배기한다. 배출 가스 유도관(30)은 연료 전지(20)로부터의 배출 가스를 주기계실(11)로부터 보조 기계실(12)을 거쳐 천장 구멍부(13)까지 유도하며, 천장 구멍부(13)보다 상방으로 돌출한다. 제1 방해판(62)은 천장 구멍부(13)보다 상방에서 배출 가스 유도관(30)을 둘러싸도록 배치된다. 제2 방해판(63)은 천장 구멍부(13)보다 상방에서 배출 가스 유도관(30)의 선단에 대향하도록 배치된다.