baber/WOPTO huggingface dataset:
Patent KR-102267145-B1 (KR)
Title: Electric road sweeper with self-generating function
Inventor: KIM HYE KYOUNG
IPC: B60L15/20
Filed: 2021-01-21
Granted: 2021-06-21
Abstract: The present invention relates to a self-generation-type electric cleaning vehicle. A purpose thereof is to provide a self-generation-type electric cleaning vehicle capable of enabling smooth power generation without causing damage to a generator by varying a speed increase ratio of a speed increaser installed between the generator and a driving shaft of a vehicle in response to a driving speed of the vehicle. To achieve the purpose, the electric vehicle, including a suctioning device, a brush, a cyclone dust collector, an electric dust collector and a blower, includes: a self-generation system operated by receiving power from a driving shaft of the vehicle; a speed detector detecting rpm of the driving shaft; a speed increaser installed between the driving shaft and the self-generation system and having a two-step speed increase ratio; and a controller controlling the speed increase ratio of the speed increaser based on the rpm of the driving shaft detected by the speed detector and a pre-inputted reference speed, wherein the brush comprises two front brushes installed on both left and right sides of a bottom part of the front of the vehicle, and two rear brushes installed on both left and right sides of a bottom part of the rear of the vehicle, and the suctioning device comprises a scattering dust suction nozzle placed to suction dust scattered by the rotation of the front brushes from the front brushes installed on the left and right sides of the vehicle and the back of a space between the front brushes, and a floor suction nozzle installed in the bottom part of the rear of the vehicle to collect rubbish on a road surface collected into a center part of the vehicle by the front and rear brushes while housing the rear brushes therein.
Patent KR-102311175-B1 (KR)
Title: Multisupporter for fishing
Inventor: JIN SUNG MI
IPC: A01K97/10
Filed: 2021-01-26
Granted: 2021-10-08
Abstract: The present invention relates to a multipurpose holder for fishing capable of easily holding bait and a fishing tool when fishing; allowing the user to replace the bait without bending the waist; and being conveniently used by being simply carried and handled. By implementing a new type of a holder comprising a folding support on which various fishing tools are placed, and a pipe bracket and a pin bracket which enable to conveniently install the support in a square or circular pipe and a rod for a bare ground, the present invention provides a multipurpose holder for fishing which is capable of easily holding the bait and the fishing tool, allows the user conveniently to replace the bait without bending the waist, is conveniently carried and stored by being folded in half when being normally stored, is easily manufactured with a simple structure, and reduces manufacturing costs.
Patent KR-102481214-B1 (KR)
IPC: B60C23/00
Filed: 2021-01-27
Granted: 2022-12-26
Abstract: 본 발명은 자동차의 휠에 장착되어 타이어의 공기압을 측정할 수 있도록 한 자동차의 TPMS 휠모듈 장착용 지그에 관한 것으로서 종래에는 TPMS 휠모듈의 연결봉을 밀어주는 지그의 밀핀이 마모되었을 경우 연결봉과 밀핀의 접촉성이 저하되면서 TPMS 휠모듈의 조립성이 떨어지는 문제점이 있었다. 
따라서 본 발명은 지그의 밀핀이 마모된 상태에서 TPMS 휠모듈의 센서를 지그의 휠모듈 거치대에 장착하면 TPMS 휠모듈의 무게에 의해 스프링의 장력을 받는 로워플레이트가 일정거리 하강되면서 TPMS 휠모듈이 그만큼 하향으로 내려와 연결봉이 마모된 밀핀에 자연스럽게 접촉된 상태를 유지하여 밀핀이 마모되었다 하더라도 밀핀과 연결봉이 접촉된 상태에서 밀핀이 연결봉을 밀어주기 때문에 TPMS 휠모듈의 조립성이 향상되는 효과가 있다.
Patent KR-102259857-B1 (KR)
Title: Apparatus and Method for Manufacturing Tire Particles for Risk Assessment
Inventor: LEE BYOUNG CHEUN
IPC: G01N1/28
Filed: 2021-02-04
Granted: 2021-06-03
Abstract: The present invention relates to a tire particle manufacturing apparatus and a manufacturing method for risk assessment, and more particularly, comprising: a body portion (100) made of a predetermined shape; a rotating unit (200) for grinding a tire specimen (S) cut to a predetermined size to a predetermined size while being accommodated in the body portion (100); and a liquid circulation unit (300) operable to supply liquid to the rotating unit (200) while recovering crushed tire particles together with the liquid.
Patent KR-102585140-B1 (KR)
Title: 자동침습 제세동 장치
IPC: A61N1/39
Filed: 2021-02-09
Granted: 2023-10-04
Abstract: 본원은 자동침습 제세동 장치에 관한 것이며, 자동침습 제세동 장치는, 환자의 피부에 부착되는 적어도 하나 이상의 패드를 포함하는 패드부, 사용자로부터 자극 정보를 수신하여 제어 신호를 생성하는 제어부 및 상기 제어 신호에 따라 전기적 자극 신호를 생성하는 전원부를 포함하되, 상기 패드부와 전원부는, 전기적 자극 신호를 전달할 수 있는 연결 수단으로 연결된 것이고, 상기 패드부의 패드는, 상기 환자의 피하로 삽입되는 도체의 소재를 포함하는 복수개의 침을 포함하는 것일 수 있다.
Patent KR-102579075-B1 (KR)
IPC: G01N27/407
Filed: 2021-02-09
Granted: 2023-09-14
Abstract: 본 발명은 금속 촉매가 표면에 형성된 다공성 산화아연 시트에 관한 것으로, 다공성 산화아연 시트 및 상기 다공성 산화아연 시트의 표면에 형성된 금속 촉매를 포함한다.  
본 발명의 금속 촉매가 표면에 형성된 다공성 산화아연 시트는 다공성인 동시에 표면에 금속 촉매가 형성되어, 넓은 표면적을 가지면서 고감도 이산화질소 가스 검출이 가능하다.
Patent KR-102524469-B1 (KR)
IPC: E01C5/00
Filed: 2021-02-10
Granted: 2023-04-20
Abstract: 본 발명은 데크재(1)를 사각파이프(3)의 상면에 고정시키는 데크체결용 클립(10)에 있어서, 상기 클립(10)은, 상기 사각파이프(3)의 폭방향으로 끼워지며 사각파이프(3)를 감싸는 형상으로 이루어진 U형상브래킷(20); 상기 U형상브래킷(20)의 상단에서 사각파이프(3)의 폭방향 외측으로 돌출되도록 외향 연장되어 데크재(1)를 지지하는 데크지지날개(30,31); 상기 브래킷(20)의 상측에서 상향 돌출된 상향돌출부(40,41); 및 상기 상향돌출부(40,41)의 상측에 구비되어 데크재(1)의 측면에 형성된 끼움홈(2)에 삽입되는 끼움판(50,51);을 포함하는 것을 특징으로 하는 데크 체결용 클립이다.
Patent KR-102297460-B1 (KR)
Title: The manufacturing device for two-dimentional curved surface polarized lens
Inventor: KIM BYOUNG KUK
IPC: B29C51/36
Filed: 2021-02-16
Granted: 2021-09-01
Abstract: The present invention relates to a two-dimensional curved polarized lens manufacturing device and, more specifically, to a two-dimensional curved polarized lens manufacturing device that allows a flat polarizing film to have a constant curvature value only in the longitudinal direction. The two-dimensional curved polarized lens manufacturing device comprises: a cylindrical body provided with a storage space; a plurality of molds mounted on the cylindrical body to mold a polarizing film with a certain curvature; a cover covering the upper part of the cylindrical body; and a heater mounted on the inside of the cover to apply heat so that the polarizing film can be molded to have a constant curvature. The mold comprises a mold body part including: a box-shaped mold body of a certain length; a curvature groove formed with a constant curvature in the longitudinal direction of the mold body; a polarizing film molding groove in which a groove corresponding to the thickness of the polarizing film is further formed in the curvature groove to seat the polarizing film; a main pipe formed in the longitudinal direction inside the mold body; a plurality of branch pipes formed in the width direction inside the mold body; and a plurality of adsorption holes penetrating from the branch pipe to the surface of the polarizing film molding groove.
Patent KR-102248582-B1 (KR)
Title: Eartip Having Comfortable Fit Structure
Inventor: LEE SANG WON
IPC: H04R1/10
Filed: 2021-02-16
Granted: 2021-05-06
Abstract: Disclosed is an ear tip having a comfortable wearing structure. According to an embodiment of the present invention, the ear tip, which is mounted on one side of an earphone and inserted into an external auditory canal of a wearer to stably fix a position of the earphone, includes: a body part having a hollow cylinder structure corresponding to an outer peripheral surface of the earphone; an external auditory canal contact part protruding radially from a lower outer peripheral surface of the body part to extend upward by a predetermined height, and making contact with an inner surface of the external auditory canal of the wearer; and a pressure distribution part mounted in a space formed by an outer peripheral surface of the body part and an inner peripheral surface of the external auditory canal contact part, and having a structure that a plurality of hollow polygonal pillars extending upward by a predetermined height from a bottom surface of the pressure distribution part are adjacent to each other. According to the ear tip having the comfortable wearing structure of the present invention, when the ear tip is worn on an ear of a wearer, a partial pressure applied to a skin surface of an external auditory canal of the wearer is changed by the ear tip so as to be a distributed pressure so that discomfort caused by pressure sensation and foreign body sensation is relieved, and the ear tip makes close contact with the skin surface of the external auditory canal of the wearer so that the active noise canceling function is improved.
Patent KR-102540053-B1 (KR)
IPC: A61Q5/00
Filed: 2021-02-19
Granted: 2023-06-02
Abstract: 본 발명은 대추 추출물을 포함하는 헤어 에센스 조성물 및 이의 제조방법에 관한 것으로서, 보다 상세하게는 대추 추출물, 페퍼민트 추출물, 천연 펙틴 추출물을 포함하여 두피 및 모발에 대한 보습 및 영양공급 효과가 우수한 대추 추출물을 포함하는 헤어 에센스 조성물 및 이의 제조방법에 관한 것이다.  
본 발명에 따른 대추 추출물을 포함하는 헤어 에센스 조성물은 베이스 오일 100중량부에 대하여, 대추 추출물 3 내지 15중량부, 페퍼민트 추출물 0.1 내지 3중량부, 천연 펙틴 추출물 1 내지 3중량부를 포함한다.
Patent KR-102305038-B1 (KR)
Title: Server for Tracking Missing Child Tracking and Method for Tracking Moving Path of Missing Child based on Face Recognition based on Deep-Learning Therein
Inventor: KIM MIN SIK
IPC: H04N7/18
Filed: 2021-02-19
Granted: 2021-09-27
Abstract: Disclosed are a missing child tracking server and a deep learning-based missing child movement path tracking method in the missing child tracking server. In the deep learning-based missing child movement path tracking method in the missing child tracking server interlocking with a plurality of CCTVs according to an embodiment of the present invention, the method may comprise: a step of tracking a first movement path through comparative analysis of a CCTV image and a missing child image collected based on a location and time information for which a missing child occurred; a step of analyzing the CCTV image photographed of the first movement path to determine whether or not there is a kidnapping vehicle image assumed to be a missing child kidnapping vehicle; and a step of tracking a second movement path through comparative analysis of the CCTV image and the kidnapping vehicle image collected based on the first movement path, when determined that the kidnapping vehicle image exists. Therefore, the present invention is capable of finding the missing child without errors.
Patent KR-102470699-B1 (KR)
Title: 영상 저장 및 객체인식이 가능한 퍼스널 모빌리티 안전 관리 시스템 및 이의 제어방법
IPC: G06Q30/06
Filed: 2021-02-23
Granted: 2022-11-25
Abstract: 본 발명은 모빌리티 단말의 안전 관리 시스템에 관한 것이다. 보다 상세하게는 모빌리티 단말의 일 측면에 카메라를 장착하여 교통 객체를 탐지하여 사용자가 안전 운행을 하도록 지원하고, 실시간 교통 정보를 서버로 보내서 정밀 지도에 활용할 수 있도록 하며, 교통 사고가 난 경우에는 카메라로 촬영한 영상으로 사고 원인 파악을 할 수 있도록 하며, 사용자의 안전 운행에 따라 마일리지를 제공하는 영상 저장 및 객체인식이 가능한 퍼스널 모빌리티 안전 관리 시스템에 관한 것이다.
Patent KR-102464002-B1 (KR)
Title: 가상인증코드 기반의 장치 간 인증 방법 및 프로그램
IPC: G06Q20/40
Filed: 2021-02-24
Granted: 2022-11-07
Abstract: 본 발명은 가상인증코드 기반의 장치 간 인증방법을 제공한다. 상기 방법은 제1 코드 송신 단계, 상기 검증 장치로부터 상기 제1 코드에 대한 인증 결과가 반영된 제2 코드를 수신하되, 상기 제2 코드는, 상기 제1 코드를 기반으로 상기 검증 장치에 의해 생성된 상기 클라이언트 장치에 관한 해쉬값 및 자격 정보를 포함하는, 제2 코드 수신 단계, 상기 제1 코드 및 상기 제2 코드를 기반으로 상기 가상인증코드인 제3 코드를 생성하는 단계 및 상기 자격 정보와 관련된 적어도 하나의 제2 장치로 상기 제3 코드를 송신하는 단계를 포함한다.
Patent KR-102512144-B1 (KR)
Title: 전기 집진 장치
IPC: B03C3/51
Filed: 2021-02-25
Granted: 2023-03-22
Abstract: 본 발명은 전기 집진 장치에 관한 것으로서, 본 발명에 따른 전기 집진 장치는 이격 배치되는 제 1 플레이트와 제 2 플레이트 사이에 인가되는 전위차에 의한 전기장의 힘으로 하전된 입자를 포집시키는 전기 집진 장치에 있어서, 상기 제 1 플레이트와 상기 제 2 플레이트 중 먼지가 집진되는 적어도 어느 하나의 집진 플레이트는 판상으로 전도성의 판 전극층, 유전체 물질로 상기 판 전극층의 양측에 필름 형태로 형성되는 제 1 유전층, 양측의 상기 제 1 유전층 상에 형성되며 전도성의 제 1 전극 패턴과 제 2 전극 패턴이 번갈아가며 사이에 이격 배치되는 패턴 전극층 및 유전체 물질로 양측의 상기 패턴 전극층 상에 필름 형태로 형성되는 제 2 유전층을 포함하고, 상기 제 1 플레이트와 상기 제 2 플레이트 사이에 전위차를 형성하도록 직류 전압을 인가하여 먼지를 집진시키는 직류 전압 발생부;상기 제 1 전극 패턴과 상기 제 2 전극 패턴 사이에 위상차가 발생하도록 교류 전압을 인가하여 집진된 먼지를 상기 집진 플레이트로부터 이탈시켜 세정하는 교류 전압 발생부; 및 집진 모드 또는 세정 모드에 따라서 상기 직류 전압 발생부와 상기 교류 전압 발생부를 선택적으로 동작시키는 제어부를 포함하는 것을 특징으로 한다.
Patent KR-102298017-B1 (KR)
Title: Server for managing information of psychological counselor
Inventor: HAN YOUNG BIN
IPC: G06Q10/10
Filed: 2021-03-02
Granted: 2021-09-03
Abstract: A server for managing information of a psychological counseling expert in accordance with an embodiment of the present invention comprises: a communication unit for exchanging information of a counseling expert with a member terminal; a storage unit for storing the information of the counseling expert input through the communication unit; and a control unit providing an information provision program to the member terminal. The information provision program is installed in the member terminal, receives the information of the counseling expert, provides a retrieval UI which enables a user to retrieve the information of the counseling expert and outputs the information transmitted from the communication unit. The retrieval UI provides a filter filtering the information of the counseling expert in accordance with the user's selection. The communication unit transmits the information, filtered by the filter among the information of the counseling expert, to the member terminal. The present invention enables the user to easily retrieve the information of the counseling expert and the counseling expert to publicize himself or herself.
Patent KR-102283060-B1 (KR)
Title: Gateway apparatus for remote meter reading, and method for transmitting/receiving remote meter reading data using the same
Inventor: LEE WOO SEOK
IPC: G08C17/02
Filed: 2021-03-08
Granted: 2021-07-28
Abstract: A gateway device for remote meter reading and a remote meter data transmitting/receiving method using the same are disclosed. After the gateway device for remote meter reading identifies the first communication method and the second communication method of a first sub-board and a second sub-board respectively attached to the first sub-board interface and the second sub-mode interface, respectively, and converts remote meter reading data of the first communication method into data of the second communication method through the first sub-board to transmit the data through the second sub-board.
Patent KR-102300891-B1 (KR)
Title: Coarse bubble air diffuser and sequential batch wastewater treatment apparatus of removing nitrogen and phosphor
Inventor: LEE KWANG HEE
IPC: C02F3/00
Filed: 2021-03-08
Granted: 2021-09-10
Abstract: The present invention relates to a coarse bubble aeration tube for generating coarse bubbles, comprising: an air pipe receiving air from a separate air blower located outside; and a nozzle unit for generating and discharging coarse air bubbles by using the air discharged at high pressure from the air pipe. The nozzle unit includes a relatively narrow inlet of the nozzle unit where the nozzle unit meets the air pipe, so that air is discharged at high pressure, and when the air supply is stopped, foreign substances can be prevented from entering, and includes a relatively wider outlet of the nozzle unit where the nozzle unit meets an external reaction tank, than the inlet of the nozzle unit so that coarse bubbles can be generated. The object of the present invention is to enable denitrification reaction with little dissolution of DO concentration by gently stirring using purely huge air bubbles.
Patent KR-102459527-B1 (KR)
Title: 이미지 처리 방법 및 장치, 단말 및 저장 매체
IPC: G06T5/00
Filed: 2021-03-18
Granted: 2022-10-27
Abstract: 본 발명은 이미지 처리 방법 및 장치, 단말 및 저장 매체에 관한 것이다. 상기 이미지 처리 방법은, 제1 이미지 중 픽셀의 밝기에 따라, 하이라이트 영역을 결정하는 단계 - 상기 하이라이트 영역에 포함된 픽셀의 밝기는 상기 하이라이트 영역의 주변 픽셀의 밝기 보다 높음 - ; 상기 하이라이트 영역에 따라, 상기 제1 이미지에서의 회절 영역을 결정하는 단계 - 상기 회절 영역은 상기 하이라이트 영역 주위에 분포된 이미지 영역임 - ; 및 상기 회절 영역의 밝기를 낮추어, 제2 이미지를 획득하는 단계를 포함한다. 상기 이미지 처리 방법을 통해, 회절 영역의 밝기를 낮춘 후, 회절로 생성된 오버레이 영상을 줄임으로써, 이미지로 하여금 더욱 현실적이도록 한다.
Patent KR-102465880-B1 (KR)
IPC: H01Q1/24
Filed: 2021-03-19
Granted: 2022-11-10
Abstract: 본 발명의 일 실시 예에 따른 안테나 장치는, 관통홀을 가지는 제1 패치 안테나 패턴과, 제1 패치 안테나 패턴의 상측에 이격 배치된 제2 패치 안테나 패턴과, 제1 패치 안테나 패턴에 전기적으로 연결된 제1 피드비아와, 제1 패치 안테나 패턴의 관통홀을 관통하는 제2 피드비아와, 제1 및 제2 패치 안테나 패턴의 사이에서 제2 피드비아에 전기적으로 연결되고 제2 패치 안테나 패턴의 중심에서 가장자리 방향으로 제2 피드비아보다 더 치우쳐져 제2 패치 안테나 패턴에 전기적으로 연결되는 피드 패턴을 포함할 수 있다.
Patent KR-102370547-B1 (KR)
Inventor: KIM JUN HONG
IPC: E02D5/52
Filed: 2021-03-23
Granted: 2022-03-03
Abstract: In accordance with the present invention, provided is a coupler having a key block, capable of having excellent rotation force delivery performance through a key block simultaneously combined with a lower coupler nut and an upper coupler nut, communizing the lower and upper coupler nuts into either one of the nuts due to the same structure of the nuts, and preventing a loss of the key block even when the coupler is dismantled. In accordance with a first embodiment of the present invention, the coupler having a key block, which is a coupler used to connect a lower pipe and an upper pipe onto one axis line, includes: a lower coupler nut joined to the top of the lower pipe; an upper coupler nut having the same structure as the lower coupler nut and joined to the bottom of the upper pipe; a driving sleeve having the same cross sectional structure as that of the lower or upper coupler nut, and located between the lower and upper coupler nuts; a key block coupling bolt inserted into the circumference of the driving sleeve at regular intervals from each other to be individually screwed with a key block; and at least one key block located in the driving sleeve while moved in a radial direction and a center direction of the driving sleeve in accordance with a rotation operation direction of the key block coupling bolt in a state, in which the key block itself is screwed with the key block coupling bolt, to be combined with or separated from a lower key hole of the lower coupler nut and an upper key hole of the upper coupler nut.
Patent KR-102265581-B1 (KR)
Title: Filling Method for grouting into Rear cavity of Tunnel
Inventor: KIM KI HYUN
IPC: E21D11/10
Filed: 2021-03-25
Granted: 2021-06-16
Abstract: The present invention relates to a construction method for grouting cavities on the back surface of a tunnel which can perform grouting construction by injecting grout into cavities formed on inner and outer sides of a waterproof sheet installed on the outside of a tunnel lining. In order to solve the subject, a construction method for grouting cavities on the back surface of a tunnel in accordance with the present invention comprises: a lining construction step; an internal cavity inspection step; an external cavity inspection step; a vacuum suction step of discharging internal air of the internal cavities or the external cavities to the outside if the cavities are identified through the internal and the external cavity inspection step; a grout injection step of injecting grout into the internal cavities or the external cavities in a state that the internal air is discharged to the outside through the vacuum suction step; and a curing step of curing the grout, injected into the internal cavities or the external cavities through the grout injection step, for a set period. In the lining construction step, a plurality of internal pipes and a plurality of external pipes are installed wherein the internal pipes have predetermined diameter and length in order to input endoscope equipment vertically through the lining and the external pipes have predetermined lengths in order to connect the lower part of one side of the lining to a central side of the upper part thereof while being installed between the waterproof sheet and shotcrete.
Patent KR-102480953-B1 (KR)
IPC: H01G11/74
Filed: 2021-04-01
Granted: 2022-12-23
Abstract: 본 발명은 표면처리된 슈퍼 캐패시터 모듈의 플레이트형 단자 및 이를 포함하는 슈퍼 캐패시터 모듈에 관한 것으로, 본 발명의 실시 예에 따른 표면처리된 슈퍼 캐패시터 모듈의 플레이트형 단자는, 슈퍼 캐패시터 모듈을 구성하는 배터리 셀의 일면에 부착되어 사용되며, 열전도성과 전기전도성을 갖는 소재로 마련되는 플레이트형 단자로서, 상기 배터리 셀의 단자와 연결되도록 배터리 셀의 일면에 부착되어 배터리 셀의 전류를 전달하는 단자부 및 상기 단자부의 일측에 마련되어 열을 전도하는 열전도부를 포함하며, 상기 열전도부는, 절연층을 형성하도록 표면처리 될 수 있다.
Patent KR-102296504-B1 (KR)
Title: Project window apparatus improve adiabaticity
Inventor: KOH SEONG SOO
IPC: E06B3/38
Filed: 2021-04-05
Granted: 2021-09-01
Abstract: The present invention relates to a project window structure with improved insulation performance. More specifically, the project window is closely attached to a window frame when a groove is formed in the window frame and the window frame is closed to enable a gasket to be inserted into the window frame, thereby having excellent vibration resistance even though vibration is generated in a window to have vibration resistance with respect to earthquake, having improved airtightness by the structure, and improving insulation performance by improvement of the airtightness and soundproofing.
Patent KR-102360053-B1 (KR)
Title: Fill-up lifting ampoule
Inventor: NOH SUNG GYUN
IPC: A61K8/34
Filed: 2021-04-08
Granted: 2022-02-08
Abstract: The present invention relates to a fill-up lifting ampoule. The fill-up lifting ampoule, according to the present invention, comprises: a solvent; a humectant; a viscosity increasing agent; a surfactant; a skin-conditioning agent; a pH adjuster; a fragrance ingredient; a film-former; and a colorant, wherein the skin-conditioning agent contains a kangaroo claw extract as an active ingredient. Accordingly, in the present invention, a composition including the kangaroo claw extract is used to produce an ampoule. Therefore, it is possible to produce a fill-up lifting ampoule which improves functions of face lifting and skin moisturization, reduces wrinkles around the eyes and nasolabial folds, increases skin density, and enhances the health of the skin.
Patent KR-102450356-B1 (KR)
Title: a safety door handle
Inventor: LEE JAE IK
IPC: E05C17/04
Filed: 2021-04-13
Granted: 2022-10-04
Abstract: An objective of the present invention is to provide a safety door handle capable of preventing a door from being suddenly closed in a safety mode even when the door is open, since the handle provided on the door can selectively switch to one of a door opening and closing mode and the safety mode. Provided is the safety door handle including: a body part fixed to at least one side of the door to interlock with a latch assembly provided on a door to form a rotation axis and having a receiving groove therein; and a handle part provided with a guide rail configured to be coupled so that the same can selectively slide along the receiving groove to be in any one mode of a door opening and closing mode in which one end portion is fixed to the body part and a safety mode in which the other end portion is fixed to the body part and the one end portion protrudes outward from the front end of the door to prevent the door from being closed, and to be coupled to the receiving groove and in contact during the sliding movement process.
Patent KR-102305856-B1 (KR)
Title: Refrigeration air dryer of Heat exchange type using phase change material
Inventor: KIM CHUNG HYOUN
IPC: F25D3/02
Filed: 2021-04-13
Granted: 2021-09-28
Abstract: The present invention relates to a heat exchange type refrigeration air dryer using a phase change material, which condenses high temperature and high humidity compressed air generated by a compressor through heat exchange to dry the same. A refrigerant tube and a storage in which a phase change material (PCM) is built-in are installed in a compressed air transport path where high temperature and high humidity compressed air generated by a compressor passes in a zigzag form, so heat exchange by cold storage of the refrigerant gas in the refrigerant tube and the phase change material (PCM) causes high temperature and high humidity air to be condensed and effectively dried. The storage is applied with a material with excellent thermal conductivity, and the refrigerant tube is directly inserted and installed in the storage to allow the phase change material (PCM) to instantly cause cold storage to maximize drying processing efficiency of the compressed air. Because the storage is molded and manufactured by an aluminum die-casting mold, the uniform quality, simplification of the manufacturing method, and customized production by capacity are possible. In addition, manufacturing time can be shortened and manufacturing costs can be dramatically reduced.