baber/WOPTO huggingface dataset:
Patent KR-20200097313-A (KR)
Title: 호이스트의 프레임 구조
Inventor: LAHTEENMAKI ATTE
IPC: B66C9/02
Filed: 2018-12-12
Abstract: 호이스트의 프레임 구조로서, 상기 프레임 구조(1)는 지지 프레임 구조(2)와, 서스펜더들(4)에 의해 상기 지지 프레임 구조(2)에 고정되어 주 지지구조(12) 상에 호이스트를 지지하고 상기 호이스트를 상기 주 지지구조(12) 상에서 이동시키도록 구성되는 베어링 휠 배열(3)을 포함하되, 상기 베어링 휠 배열(3)은, 호이스트의 이동 방향으로, 그 반대 측에 배열된 베어링 휠들(5)을 포함하고, 그리고 상기 지지 프레임 구조(2)에 고정된 상부 도르래 배열(5)을 포함하며, 상기 지지 프레임 구조(2)는 서로 대향하여 일정 거리에 배치된 두 개의 플레이트들(7)을 포함하고, 상기 플레이트의 상부(8)는 서로에 대해 구부러지고, 상기 지지 프레임 구조(2)에는 두 개의 플레이트들(7)을 통과하는 축(10)이 배치되어 있되, 그 축 상에는 도르래가 플레이트들(7) 사이에 배치되고, 그리고 상기 플레이트의 구부러진 상부(8)는 서스펜더들(4)에 의해 상기 지지 프레임 구조(2)의 대향하는 측면들에 배열된 베어링 휠들(5) 사이의 상호 거리를 조절하기 위해 쐐기 잠금장치(29)에 의해 또는 볼트 잠금장치에 의해 상기 서스펜더들(4)에 착탈 가능하게 고정될 수 있다.
Patent KR-20200103041-A (KR)
Title: 오미데네팍의 조합
Inventor: FUWA MASAHIRO
IPC: A61K31/551
Filed: 2018-12-20
Abstract: 본 발명의 목적은, 녹내장 혹은 고안압증의 예방 또는 치료제로서 유용한, 녹내장 혹은 고안압증의 예방 또는 치료약의 조합을 알아내는 것이다. 오미데네팍과 리파수딜 또는 네타수딜을 조합함으로써 안압 하강 작용을 상호 보완 및/또는 증강한다. 투여 형태로서는, 병용 투여하여도 배합제로서 투여하여도 좋다.
Patent KR-20200104905-A (KR)
Title: 모터 및 식품 가공기
Inventor: LIANG XIANTANG
IPC: H02K7/10
Filed: 2018-08-07
Abstract: 모터 및 식품 가공기로서, 가전제품 분야에 관한 것이다. 상기 모터는 선단 커버(11)와  모터 내부 공동으로부터 선단 커버를 뚫고 나오는 출력 회전축을 포함하며, 출력 회전축은 동심으로 배치된 내부 회전축(2)과 외부 회전축(3)을 포함하고, 모터 내부 공동에는 내부 회전축과 외부 회전축을 전동 연결하는 기어 전동 기구가 더 설치된다. 기어 전동 기구를 모터 내부 공동에 수용함으로써, 조립자의 부주의로 인한 부상이나 기어 전동 기구의 파손을 피할 수 있을 뿐만 아니라, 전선과 같은 식품 가공기 내의 다른 부품이 느슨해질 때 기어 전동 조립체에 대한 간섭을 효과적으로 방지할 수 있어, 기어 전동 기구의 신뢰성과 사용 수명을 대폭 제고하는데 유리하고, 더 나아가 식품 가공기의 신뢰성과 사용 수명을 향상시킨다.
Patent KR-20200110707-A (KR)
Title: 조향 서포트 요크
Inventor: SRINIVASAN VEERARAGHAVAN
IPC: C22C21/08
Filed: 2015-06-26
Abstract: 서포트 요크 성형 방법은, 재료 제공 단계; 거친 형태를 성형하기 위하여 재료를 형상화하는 단계, 상기 형상화 단계는 재료의 융점 미만의 온도에서 수행되고; 및 거친 형태의 열처리 단계를 포함한다. 실시태양에서, 열처리 단계는 용체화 및 시효 처리를 포함한다. 실시태양에서, 방법은 기계 가공 단계를 포함한다. 실시태양에서, 서포트 요크는 래크 및 피니언 조립체에 사용된다. 실시태양에서, 서포트 요크는 조향 요크일 수 있다.
Patent KR-20200144541-A (KR)
Title: 면역치료요법용 생체표지자로서 프로가스트린
Inventor: JOUBERT DOMINIQUE
IPC: G01N33/574
Filed: 2019-02-27
Abstract: 면역 체크포인트 억제제에 대해 반응성인 환자를 선택하는 방법이 본원에 개시되어 있다. 면역 체크포인트 억제제를 사용하여 암 환자를 치료하는 방법이 또한 제공된다.
Patent KR-20200135967-A (KR)
Title: 경화막 형성 조성물, 배향재 및 위상차재
Inventor: ITO JUN
IPC: C08F220/06
Filed: 2019-03-26
Abstract: [과제] 우수한 액정배향성과 밀착성을 구비한 경화막을 형성하는 경화막 형성 조성물, 그 경화막, 그 경화막을 사용하여 형성되는 광학필름, 배향재 및 위상차재를 제공한다. 
[해결수단] (A)광배향성기와, 하이드록시기와, C=C이중결합을 포함하는 중합성기를 갖는 폴리머, (B)가교제, 및 (C)가교촉매를 함유하는 경화막 형성 조성물, 이 경화막 형성 조성물로부터 형성되는 경화막, 이 경화막을 사용하여 형성되는 광학필름, 배향재 및 위상차재.
Patent KR-20200127239-A (KR)
Title: 무선 리소스의 구성
Inventor: RUGELAND PATRIK
IPC: H04W12/00
Filed: 2019-02-11
Abstract: 무선 디바이스에 의해 실행되는 방법(1300)이 설명된다.  그 방법은 무선 디바이스에서 무선 리소스를 관리하기 위한 것으로, 무선 디바이스에 의해 사용될 무선 베어러를 구성하는 메시지를 수신하는 단계(1302), 무선 베어러에 대한 암호화를 활성화 또는 비활성화하는 암호화 구성 설정에 대해 메시지를 점검하는 단계(1304), 및 수신된 메시지에 따라 무선 베어러에 대한 암호화를 활성화 또는 비활성화하는 것 중 적어도 하나를 실행하는 단계(1306)를 포함한다. 
또한, 무선 디바이스에 의해 사용될 무선 리소스를 구성하기 위해 기지국에 의해 실행되는 방법(1500), 무선 디바이스(1400), 사용자 장비, 및 기지국(1600)이 설명된다.
Patent KR-20200123842-A (KR)
Inventor: KURAMOCHI TAICHI
IPC: C07K16/30
Filed: 2012-10-31
Abstract: CH1과 CL의 계면에 존재하는 아미노산을 전하를 갖는 아미노산으로 치환함으로써 CH1과 CL의 회합을 억제할 수 있고, CH3에 knob와 hole을 단독으로 도입하는 개변을 사용하는 것보다도 효율적으로 헤테로 분자가 형성되는 것을 발견하였다.
Patent KR-20200123293-A (KR)
Inventor: NARENDRNATH KADTHALA RAMAYA
IPC: H01L21/683
Filed: 2013-08-22
Abstract: 기판들을 접합하는 방법들, 상기 방법들을 이용하여 제조되는 조립체들과 더불어, 상기 조립체들을 리퍼비싱하기 위한 개선된 방법들이 개시되며, 이들은 조립체들의 제조, 성능 및 리퍼비시(refurbishment)를 개선하기 위해, 2개의 기판들을 결합시키는 데에 사용되는 접착제(adhesive) 내에 형성되는 적어도 하나의 채널을 이용한다.  일 실시예에서, 조립체는 접착 층에 의해 제 2 기판에 고정되는 제 1 기판을 포함한다.  조립체는, 접착 층에 의해 경계가 지어지는(bounded) 적어도 하나의 측면을 가지며 그리고 조립체의 외부로 노출되는 배출구를 가지는 채널을 포함한다.
Patent KR-20210005685-A (KR)
Title: 행동 영향 활동이 사용자의 건강 수준에 미치는 영향을 판정하는 방법 및 장치
Inventor: ZANON MATTIA
IPC: G16H40/63
Filed: 2018-05-02
Abstract: 사용자의 건강 수준에 대한 사용자의 활동의 영향을 판정하는 방법 및 장치가 개시된다. 이는 심박 센서(10)를 사용하여 사용자의 심박 신호를 측정하고, 사용자의 심박수 변동성에 따라 사용자의 건강 수준(H)을 계산하는 것을 기반으로 한다. 또한, 가속도 센서(16)를 사용하여 사용자의 움직임 신호를 측정한다. 여러 활동 파라미터(P i )가 계산된다. 제1 활동 파라미터(P 1 )는 사용자의 수면 양에 의존한다. 제2 활동 파라미터(P 2 )는 사용자가 취한 걸음 수의 양에 의존한다. 추가 활동 파라미터를 사용할 수 있다. 이 데이터로부터 피팅 함수는 건강 수준(H)이 각 활동 파라미터에 얼마나 강하게 의존하는지를 나타내는 계수(C i )를 판정하는데 사용된다. 심박 센서(10)는 광 반사 센서를 포함할 수 있다.
Patent KR-20200140939-A (KR)
Title: 컨쥬게이트의 제조방법
Inventor: FISHKIN NATHAN
IPC: A61K47/68
Filed: 2012-02-15
Abstract: 본 발명은 세포 결합제와 약물(세포독성 화합물 등)의 컨쥬게이트를 제조하는 방법에 관한 것이다.  이 방법은 세포독성 화합물의 세포 결합제와의 효과적인 컨쥬게이션을 가능하게 하는 이민 반응성 화합물의 용도를 포함한다.
Patent KR-20210021468-A (KR)
Title: 활성화가능한 사이토카인 폴리펩타이드 및 이의 사용 방법
Inventor: WINSTON WILLIAM
IPC: C07K14/55
Filed: 2019-05-14
Abstract: 본 개시내용은 관심 있는 사이토카인의 조건부로 활성인 변이체인 융합 단백질을 특징으로 한다. 일 양태에서, 본 발명의 전장 폴리펩타이드는 기능적 사이토카인 폴리펩타이드를 함유하는 경우에도 감소된 또는 최소의 사이토카인-수용체 활성화 활성을 갖는다. 예를 들어, 차단 모이어티, 예를 들어 입체 차단 폴리펩타이드를, 활성 사이토카인에 대한 서열에 연결하는 링커의 절단에 의해 활성화시에, 사이토카인은 그 수용체에 결합하고 신호전달에 영향을 미칠 수 있다. 전형적으로, 융합 단백질은 종양 미세환경에서 사이토카인으로부터 절단될 수 있는 생체내 반감기 연장 요소를 추가로 포함한다.
Patent KR-20220099143-A (KR)
Title: Semiconductor devices
Inventor: LEE DO HYUN
IPC: H01L29/423
Filed: 2021-01-04
Abstract: A semiconductor device according to an embodiment of the present invention comprises: an active region extending in a first direction on a substrate; a plurality of channel layers arranged on the active region to be vertically spaced apart from each other; gate electrodes extending in a second direction crossing the active region and the plurality of channel layers on the substrate and surrounding the plurality of channel layers; a source/drain region arranged on the active region on at least one side of the gate electrodes and in contact with the plurality of channel layers; and a contact structure extending in a vertical direction between the gate electrodes and in contact with the source/drain region, wherein the source/drain region includes a recess region recessed from the top, the contact structure includes a metal-semiconductor layer arranged to fill the recess region and a contact plug arranged on the metal-semiconductor layer, and a lower surface of the metal-semiconductor layer may be positioned at a level lower than the uppermost channel layer among the plurality of channel layers.
Patent KR-20210008123-A (KR)
Inventor: LEE HYUN TAEK
IPC: G06Q40/04
Filed: 2021-01-12
Abstract: The present invention provides an FX margin transaction rent transaction method, which comprises: a first step of setting a rental fee for each divided long position and divided short position; a second step of guiding the rental fee for each divided long position and divided short position, and presenting a rental start time, stop position, and limit position; a third step of confirming a rental transaction contract for each of the divided long positions and the divided short positions for which the rental fee has been paid in advance; a fourth step of determining whether the divided long position and the divided short position rented to the company server reach the stop position or the limit position; and a fifth step of settling the rental fee as a loss when disqualified for damage and calculating the profit from reaching the limit position when realizing a profit. By performing the FX margin trading in a structure in which the general public acquires the divided long position and the divided short position and re-rents to the company, an individual can share profits with a third party.
Patent KR-20220103486-A (KR)
Inventor: SEOK JUNG MIN
IPC: F02C7/22
Filed: 2021-01-15
Abstract: The present invention relates to a combustor with multiple tubes, which mixes compressed air, supplied from a compressor section, with fuel, burns the mixture, and supplies the generated combustion gas to a turbine section, and a gas turbine including the same. The combustor comprises: a nozzle casing for receiving compressed air from the compressor section and receiving fuel from the outside; a liner connected to the nozzle casing, and having a combustion chamber in which the mixture of the fuel and the compressed air injected from the nozzle casing is burned; a transition piece connected to the liner, and for supplying combustion gas, generated in the liner, to the turbine section; a plurality of fuel nozzles disposed in a nozzle tube provided inside the nozzle casing, and having hollow portions; a plurality of compressed air supply pipes connected to the plurality of fuel nozzles, and for supplying the compressed air into the plurality of fuel nozzles; center bodies having ends connected to the nozzle base of the nozzle casing and disposed to extend into the hollow portions of the fuel nozzles, and the other ends having fuel injection holes through which the fuel is injected; and an opening and closing valve provided in the plurality of compressed air supply pipes to open and close the compressed air supply pipes. The fuel and the compressed air are mixed inside the plurality of fuel nozzles. The plurality of fuel nozzles are divided into a plurality of divided groups. In response to initial combustion and load conditions, the mixture of the fuel and the compressed air is injected from the divided groups. Therefore, the combustor can be operated to more dynamically deal with generation of combustion vibration.
Patent KR-20220108998-A (KR)
Title: Parking fee payment device with qr code
Inventor: KIM DAE HOON
IPC: G06K9/00
Filed: 2021-01-28
Abstract: The present invention relates to an unmanned parking settlement machine linked to a mobile simple payment system through a QR code. More specifically, the present invention relates to the unmanned parking settlement machine linked to the mobile simple payment system through the QR code that connects to a parking fee payment system, inside a vehicle, by photographing an external QR code with a smartphone of a driver, and enables a parking fee to be paid on the smartphone. According to the present invention, there is an effect for which a vehicle driver can pay the parking fee even in an isolated state from an external environment in which fine dust or viruses exist.
Patent KR-20220118242-A (KR)
Title: Electronic device and method for controlling thereof
Inventor: TOMA ANAS MAHMOUD
IPC: G10L15/08
Filed: 2021-02-18
Abstract: The present disclosure relates to an electronic device and a control method therefor. The electronic device of the present disclosure may include: a microphone; a memory; and a processor which acquires a plurality of voice segments by inputting a first user voice input through the microphone to a first model trained to divide a voice based on a word boundary, acquires a language type of each of the plurality of voice segments by inputting the plurality of voice segments to a second model trained to identify the language type of the voice, acquires a plurality of text segments corresponding to each of the plurality of voice segments by inputting each of the plurality of voice segments to an ASR model corresponding to the language type of each of the plurality of voice segments among a plurality of ASR models, and acquires text corresponding to a first user voice based on the plurality of text segments. The present invention has an effect of accurately acquiring text corresponding to the user voice with a plurality of mixed languages.
Patent KR-20210106381-A (KR)
Inventor: JEONG JIN HYUN
IPC: A61K31/28
Filed: 2021-02-19
Abstract: The present application can provide a method for synthesizing an organic selenium compound in which a selenopyrano pyrazolone derivative, one of the organic selenium compounds, can be synthesized in a simple and excellent yield while being environmentally friendly at a low temperature and capable of being obtained in a high yield. The present invention relates to the method for synthesizing the organic selenium compound represented by chemical formula 2 comprising a step of reacting the compound represented by chemical formula 1 with selenium.
Patent KR-20220123826-A (KR)
Title: Apparatus for cyber education, Cyber education method with cyber education apparatus
Inventor: YU JEA WAN
IPC: H04N5/77
Filed: 2021-03-02
Abstract: The present invention relates to a distance education apparatus allowing a user to readily perform distance education and a distance education method performed by the distance education apparatus, which comprises: a case having an opening/closing structure and an accommodation room formed therein; a plurality of image information acquisition units accommodated inside the case to acquire image information; a control unit accommodated inside the case to manage the image information transmitted by an image information acquisition means; and a display device accommodated within the case to display the image information and the management information transmitted to the control unit.
Patent KR-20220129957-A (KR)
Title: Car sterilizing apparatus and method
Inventor: LEE JUNE SEUNG
IPC: B60H3/00
Filed: 2021-03-17
Abstract: The present invention relates to a device and method for manually or automatically sterilizing a specific space inside a vehicle, such as a vehicle trunk or a vehicle cargo box. According to one embodiment of the present invention, the device for sterilizing a vehicle comprises: at least one VUV lamp performing sterilization by generating VUV; a blower circulating the air sterilized by the VUV lamp; a contamination sensor measuring an air contamination degree; and a controller configured to control the VUV lamp to be turned on and off and control a VUV emission intensity, control driving and rotating speed of the blower, and perform a control function to calculate the contamination degree by receiving a signal from the contamination sensor.
Patent KR-20210033454-A (KR)
Title: Charging device and aerosol generating system including the same
Inventor: LEE SEUNG WON
IPC: H02J50/10
Filed: 2021-03-18
Abstract: A charging device includes: a transmitting coil which transmits power by generating a magnetic field according to a flow of a current; and a control unit which controls the current flowing through the transmitting coil to transmit power to an induction coil of an aerosol generating device including the induction coil which performs a heating operation for heating a susceptor and a charging operation for receiving power for charging a power supply unit according to the applied magnetic field. Accordingly, the aerosol generating device may be simplified and miniaturized.
Patent KR-20220132099-A (KR)
Title: GPS location data transmission and reception device
Inventor: MIN GYU LEE
IPC: G01S19/30
Filed: 2021-03-22
Abstract: The present invention relates to a device for transmitting and receiving GPS location data, and more particularly, to a device for transmitting and receiving GPS location data which reduces the expression range of unnecessary location information data and encodes and transmits only the amount of change in some of location information data. The present invention can greatly reduce the size of the location information data by reducing the range of the location information data and encoding the same so as to calculate only the amount of change. The present invention calculates the amount of change in the data and transmits only the changed data such that the size of the substantially transmitted location information data can be greatly reduced and the transmission to a server can be performed quickly. In addition, the present invention can transmit the location information data at predetermined time intervals instead of real-time, thereby further reducing the size of the location information data. The device for transmitting and receiving GPS location data comprises: a terminal generating the real-type location information data and deleting or rounding the data below the decimal point of the generated real-time location information data so as to convert the same into integer-type data; and a sever receiving and processing the encoded data from the terminal.
Patent KR-20220132965-A (KR)
Title: silicon handel
Inventor: LEE HYUN SUK
IPC: A47J45/06
Filed: 2021-03-24
Abstract: The present invention is to safely use a cooling tool made of stainless steel. Conventionally, housewives are prone to burns while using kitchen tools that need to handle fire, but oven gloves are slippery and cumbersome in coping with the tools. However, if only a silicone handle is fitted, the cooking tools can be used without being slippery and hot. Silicone can be attached to all-stainless-steel frying pans, all-stainless-steel ladles, whisks, forks, flips, etc. If colorful silicone is added to the color of the stainless steel in the kitchen, freshness is added to the kitchen, and a character-shaped handle further shows cuteness. Also, in the case in which only the lower part of the ladle remains since a plastic handle is missing, silicone formed like the plastic handle can be easily inserted so that the ladle can be reused like a new one.
Patent KR-20220133630-A (KR)
Title: Electronic device comprising camera and method for controlling the same
Inventor: JUNG KI OH
IPC: H04N5/232
Filed: 2021-03-25
Abstract: According to an aspect of an embodiment of the present disclosure, an electronic device comprises: at least one camera module including at least one lens; a first sensor detecting a movement of the electronic device; and at least one processor, wherein the at least one processor carries out a first focusing operation of determining a target position of the at least one lens by focusing processing on a subject and moving the at least one lens to the target position, and carries out, when it is determined that a first condition, in which a photographing distance, which is a distance to the subject, is less than a distance reference value and a value of the depth of field is less than or equal to a depth reference value, is met, a second focusing operation of calculating a movement value in an optical axis direction from a detection value of the first sensor, calculating a focusing correction value for correcting the movement value in the optical axis direction, and additionally driving the at least one lens on the basis of the focusing correction value. It is possible to improve the shooting quality.
Patent KR-20220134146-A (KR)
Title: Portable minute ultrasonic quarantine
Inventor: CHO SEONG KUK
IPC: A61L2/22
Filed: 2021-03-26
Abstract: The present invention relates to a portable type micro-ultrasonic quarantine device to block infectious diseases viruses such as SARS, MERS, and corona and, more particularly, to a potable type micro-ultrasonic quarantine device which can improve the effectiveness of counteracting and blocking the spread of viruses in the field without installation, removal, and recovery work in places to urgently block the spread of viruses by simplifying a structure such that the installation of the quarantine device is convenient and can be easily and conveniently moved, installed, handled, and stored regardless of installation conditions and environments such as entrances and event halls of quarantine buildings with frequent human traffic. To this end, the portable type micro-ultrasonic quarantine device comprises: a main body provided with an upper case and a lower case; an ultrasonic generating unit accommodated and fixed within the main body; a blowing unit forcibly discharging the fine chemicals generated by the ultrasonic generating unit; a drug container coupled to the upper part of the main body and supplying the drug to the ultrasonic generating unit; and an induction unit coupled to the upper part of the main body and inducing the fine chemicals generated by the ultrasonic generating unit.
Patent KR-20220139613-A (KR)
Inventor: YONGRAK JUNG
IPC: F25D23/02
Filed: 2021-04-08
Abstract: The present invention relates to a refrigerator. The refrigerator includes: a cabinet including a storage space; a drawer door including a door part forming a front side and a drawer part in which food is stored; a control panel mounted on an upper side of the door part to display or control settings of the storage space; and a wire guide module connecting the cabinet with the rear side of the door part, and guiding a wire on the cabinet side to be connected to the control panel, wherein the wire guide module includes: a mounting plate mounted on the bottom surface of the storage space; a rotary connection member mounted onto the mounting plate to be rotatable; a guide head coupled to the rear side of the door part; and a connecting member connecting the rotary connection member with the guide head, and allowing the wire to be moved into or out of the inside thereof. Therefore, the present invention is capable of increasing user convenience.
Patent KR-20220141594-A (KR)
Inventor: LEE JONG KYUNG
IPC: H01M50/583
Filed: 2021-04-13
Abstract: According to the present invention, the entire battery pack, starting with a wire, can be damaged by fire due to a short circuit of a battery sensing wire. In addition, when using the sensing wire, a fuse must be installed to protect a system when an overcurrent occurs due to an accident, and a physical accident can occur due to a defective fuse and the lifespan of the fuse. Therefore, in order to prevent a physical accident of the sensing wire, the prevent invention electrically connects a sensor and a battery using a PCB pattern and replaces a fuse for accident prevention.
Patent KR-20220142740-A (KR)
Inventor: PARK GA YOUNG
IPC: A47C9/00
Filed: 2021-04-15
Abstract: The present invention relates to a simple swivel chair, which allows a user to take a rest or enjoy the user's daily life comfortably in a correct posture at a simple restaurant or a rest area. The simple swivel chair of the present invention is configured in such a way that a seat plate is installed on a top plate of a support base to rotate freely, the height of the swivel chair is generally high, an area of the seat plate is wide, a curved protrusion is formed on a front edge of the seat plate, protrusions are formed on the side rear and back edges, and curved recesses having shapes similar to the shapes of the buttocks and thighs are formed on relatively central portion and front sides of the seat plate. Accordingly, the present invention is designed to comfortably wrap around the buttocks and both thigh areas when a user sits on the chair, make rotation of the seat plate easy, and specifically, allows the user to sit on the chair in a correct posture when using the swivel chair since having an inward protrusion formed on the central inner surface of the protrusion formed on the back edge.
Patent KR-20220143235-A (KR)
Inventor: SONG TAI SIK
IPC: B08B9/049
Filed: 2021-04-15
Abstract: According to an embodiment of the present invention provides a propulsion nozzle for a water pipe cleaning apparatus, which is light and can generate strong propulsion. Here, the propulsion nozzle for a water pipe cleaning apparatus is coupled to a water pipe cleaning apparatus, generates propulsion by injecting high-pressure water, supplied to the water pipe cleaning apparatus, backward so that the water pipe cleaning apparatus moves forward from the inside of a water pipe, and comprises a housing and a core. The housing is connected to the water pipe cleaning apparatus, and has: an inlet hole into which high-pressure water, supplied to the water pipe cleaning apparatus, flows; and a spray hole formed therein in the direction of the central axis, connected to the inlet hole, and for spraying high-pressure water flowing into the inlet hole. The core is provided in the spray hole, has a gap formed between the core and the inner circumferential surface of the spray hole in the circumferential direction of the spray hole, and allows high-pressure water from the inlet hole to be sprayed through the gap while having a ring-shaped cross-sectional shape.
Patent KR-20220143481-A (KR)
Inventor: SHIN DONG HOON
IPC: F28F1/40
Filed: 2021-04-16
Abstract: The present invention relates to a suction pipe for a refrigerator equipped with a groove capable of improving heat exchange efficiency by forming a spiral groove on an inner wall surface of the suction pipe to increase a heat transfer surface area. According to the present invention, a cooler and a compressor are connected, and a flow path is formed inside to allow a refrigerant to pass through, wherein a groove is formed on an inner surface of the suction pipe in which the flow path is formed to widen the heat transfer surface area.