baber/WOPTO huggingface dataset:
Patent KR-20190126333-A (KR)
Title: 슬래브의 반연속 주조 설비 및 그 방법
Inventor: ZAJBER ADOLF GUSTAV
IPC: B22D11/128
Filed: 2018-03-20
Abstract: 본 발명은 설비에서 슬래브들(B1, B2)을 반연속 주조하기 위한 설비 및 방법에 관한 것이다.  본 발명의 과제는, 해당 유형에 따른 설비들의 안전을 증대하고 슬래브들(B1, B2)의 완전 응고 및 설비로부터의 배출을 간소화하는 것이다.  상기 과제는 청구항 제1항에 따른 설비 및 청구항 제9항에 따른 방법을 통해 해결된다.
Patent KR-20190116461-A (KR)
Title: 전자 반도전성 소자 및 전자 반도전성 소자를 제조하기 위한 방법
Inventor: HEGGEMANN ULRICH
IPC: H01L51/00
Filed: 2018-02-20
Abstract: 본 발명은 제1 전극과 제2 전극 사이에 적어도 하나의 제1 정공 수송층을 포함하는, 전자 소자로서, 상기 제1 정공 수송층이 
(i) 공유 결합된 원자로 이루어진 적어도 하나의 제1 정공 수송 매트릭스 화합물 및 
(ii) 적어도 4개의 공유 결합된 원자로 이루어진 금속 양이온 및 적어도 하나의 음이온 및/또는 적어도 하나의 음이온성 리간드를 포함하는 금속염으로부터 및 전기적으로 중성인 금속 착물로부터 선택된 적어도 하나의 전기적 p-도펀트를 포함하고, 
상기 전기적 p-도펀트의 금속 양이온이 
알칼리 금속;  
알칼리 토금속, Pb, Mn, Fe, Co, Ni, Zn, Cd; 
산화 상태 (II) 또는 (III)의 희토류 금속; 
Al, Ga, In으로부터; 및 
산화 상태 (IV) 이하의 Sn, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo 및 W로부터 선택되고, 
단, a) 하기 일반식 (Ia) 또는 (Ib)를 갖는 음이온 또는 음이온성 리간드를 포함하는 p-도펀트; 및 
b) 퍼클로레이트 및 테트라플루오로보레이트로부터 선택된 음이온 및 Li 양이온으로 이루어진 p-도펀트가 배제됨을 단서로 하고, 
상기 제1 정공 수송층이 서브-층을 포함하고, 여기서 전기적 도펀트가, 중량 기준 및/또는 부피 기준으로, 상기 서브-층에 추가로 포함될 수 있는 다른 구성요소들의 총량을 초과하는 양으로 포함되는, 전자 소자; 및 이를 제조하기 위한 방법에 관한 것이다: 
   
상기 식에서, 
A 1 , A 2 , A 3  및 A 4 는 독립적으로 CO, SO 2  또는 POR 1 으로부터 선택되고; 
R 1  = 
할라이드, 니트릴, 할로겐화되거나 퍼할로겐화된 C 1  내지 C 20  알킬, 할로겐화되거나 퍼할로겐화된 C 6  내지 C 20  아릴, 또는 5 내지 20개의 고리-형성 원자를 갖는 할로겐화되거나 퍼할로겐화된 헤테로아릴을 포함하는 군으로부터 선택되는 전자 끄는 기이고; 
B 1 , B 2 , B 3  및 B 4 는 동일하거나 독립적으로 치환되거나 비치환된 C 1  내지 C 20  알킬, 치환되거나 비치환된 C 1  내지 C 20  헤테로알킬, 치환되거나 비치환된 C 6  내지 C 20  아릴, 치환되거나 비치환된 C 5  내지 C 20  헤테로아릴로부터 선택되거나, B 1  및 B 2 는 고리를 형성한다.
Patent KR-20190123773-A (KR)
Title: 유리판을 프레스 벤딩하기 위한 장치 및 방법
Inventor: SCHILLINGS PETER
IPC: C03B23/03
Filed: 2018-03-15
Abstract: 본 발명은 유리판을 벤딩하기 위한 장치로서, 
-프레임 형태의 접촉면(2)을 구비하는 하부 프레스-벤딩 몰드(1), 
-접촉면(2)에 대향하여 배치되는 상부 프레스-벤딩 몰드(3)를 포함하고, 
하부 프레스-벤딩 몰드(1) 및 상부 프레스-벤딩 몰드(3)는 가압에 의해 그 사이에 위치된 유리판(I)를 재성형하는데 적합하며, 유리판(I)의 측면 에지(S)는 접촉선(4)을 따라 접촉면(2)에 위치하고, 
가압 동안, 접촉선(4)은 제1접촉선(4A)에서 가압선(4B)으로 잇달아 이동하고, 
제1접촉선(4A)과 가압선(4B) 사이의 접촉면(2)은 볼록하게 만곡된다.
Patent KR-20190132488-A (KR)
Title: 난연성 중합체 조성물
Inventor: BOLOURCHI MAZIYAR
IPC: C08K3/04
Filed: 2018-04-06
Abstract: 중합체, 난연제, 고 종횡비의 미립자 광물 및 선택적으로 보강재를 포함하는 난연성 중합체 조성물, 상기 난연성 중합체 조성물로 제조되고 이를 포함하는 물품 및 상기 난연성 중합체 조성물의 제조 방법.
Patent KR-20190132497-A (KR)
Title: 에어백 장치
Inventor: BABA YUTAKA
IPC: B60R21/239
Filed: 2018-02-06
Abstract: 벤트홀로부터의 가스 배기량을 적절히 제어 가능한 에어백 장치를 제공하는 것을 과제로 한다. 
액티브 벤트 기구는, 에어백에 형성된 제1 벤트홀과, 일부가 에어백 외면에 연결되어 에어백의 내압에 따라 벤트홀의 개방과 폐쇄가 가능한 패치와, 일단부가 패치에 연결되고 타단부가 에어백 내부에 삽입되어 해당 에어백의 내부에 연결되는 연결 부재와, 제1 벤트홀의 근방에 형성되어 패치의 일부 또는 연결 부재의 일부가 관통하는 개구부와, 에어백의 내부에서 연결 부재가 삽입 통과하는 대략 통 형상의 규제 부재로서, 에어백의 내부에 있어서 개구부를 둘러싸도록 해당 에어백 내면에 연결된 제1 단부와, 밀폐 상태로 연결 부재와 연결된 제2 단부를 가지는 해당 규제 부재와, 연결 부재의 텐션을 저하시키는 해방 수단을 구비한다. 
그리고 에어백이 최대로 전개하고 있는 상태에서는 연결 부재의 텐션에 의해 패치가 제1 벤트홀을 막도록 동작하고, 해방 수단에 의해 연결 부재의 텐션이 저하하면 패치가 에어백의 외면으로부터 이탈하여 제1 벤트홀에서 배기가 실시되도록 동작한다.
Patent KR-20200012874-A (KR)
Title: 차량 제동 시스템
Inventor: WEITZE THOMAS
IPC: B60T13/14
Filed: 2018-05-16
Abstract: 차량 제동 시스템(20)은 제 1 압력 생성 유닛(34) 및 제 1 리저버(26)를 구비하는 1차 제동 유닛(22)을 가진다. 차량 제동 시스템(20)은 또한 제 2 압력 생성 유닛(52) 및 제 2 리저버(70)를 구비하는 2차 제동 유닛(24)을 더 가진다. 차량 제동 시스템(20)을 동작시키는 방법은 1차 제동 유닛(22)의 압력 생성 유닛(34)을 작동시켜서 차량 속력을 줄이거나 정지시키기 위해 휠 실린더(30)에서의 유체를 가압하는 것을 포함한다. 휠 실린더(30)는 전자 제어 유닛(100, 102)에 제공된 전기 신호에 응답하여 감압된다. 유체는 휠 실린더(30)로부터 제 2 리저버(70)로 이송된다. 휠 실린더(30)와 제 2 리저버(70) 사이의 유체 경로(P1)는 휠 실린더(30)와 제 1 리저버(26) 사이의 유체 경로(P2)보다 짧고 더 적은 유체 저항을 가진다. 본 발명은 또한 두 개의 제동 시스템들을 포함한다. 본 발명들은 퀵 스타트 또는 론치 컨트롤에서 빠른 압력 감압을 목적으로 한다.
Patent KR-20200010335-A (KR)
Title: 파일럿식 전자밸브
Inventor: ARAKAWA TAKASHI
IPC: F16K31/42
Filed: 2018-02-13
Abstract: 파일럿식 전자밸브(10)의 가동철심(70)에는, 외주부에 홈형상의 피결합부(78)가 형성되어 있다.  가동철심(70)과 주밸브체 유닛(38)을 연결하는 코일 형상의 연결 스프링(42)은, 다각형상으로 굴곡되어 형성되고, 개구 부분으로부터 압입되는 가동철심(70)에 의해 탄성변형하여, 피결합부(78)에 걸어맞춰지는 제1 권선부(44)와, 제1 권선부(44)의 반대쪽에 위치되고, 주밸브체 유닛(38)에 고정되는 제2 권선부(46)와, 제1 권선부(44)와 제2 권선부(46)의 사이에 위치되는 제3 권선부(48)를 갖는다.
Patent KR-20200010459-A (KR)
Title: 고농도 입자 함유 필름 및 그 제조 방법
Inventor: AKAMATSU TETSUYA
IPC: H01M50/443
Filed: 2018-06-27
Abstract: 대량의 입자를 함유하면서 유연성이 우수한 고농도 입자 함유 필름을 제공한다.     본 발명의 고농도 입자 함유 필름은, 파라페닐렌디아민, 공중합 디아민, 및 파라테레프탈산디클로라이드를 공중합시킨 파라계 공중합 방향족 폴리아미드, 그리고 입자를 함유하고, 상기 공중합 디아민이, 전체 디아민 성분에서 차지하는 중량 비율로 25 ∼ 75 중량％ 의 범위에 있고, 또한, 상기 입자가 55 체적％ 이상 함유되어 있고, 또한, 상기 공중합 디아민이, 3,3'옥시디페닐렌디아민, 3,4'옥시디페닐렌디아민, 또는 4,4'옥시디페닐렌디아민이다.
Patent KR-20200013246-A (KR)
Title: 냉간 압연 어닐링된 이중상 강, 강판 및 이들의 제조 방법
Inventor: LI WEI
IPC: C22C38/06
Filed: 2018-06-26
Abstract: 페라이트 및 마르센사이트의 미세구조를 갖고, 질량 백분율 기준으로 0.08% 내지 0.1%의 C, 1.95% 내지 2.2%의 Mn, 0.1% 내지 0.6%의 Si, 0.020% 내지 0.050%의 Nb, 0.020% 내지 0.050%의 Ti, 0.015% 내지 0.045%의 Al, 0.40% 내지 0.60%의 Cr, 0.2% 내지 0.4%의 Mo, 0.001% 내지 0.005%의 Ca, 및 나머지로 Fe 및 그 밖의 불가피한 불순물의 화학 원소를 포함하는, 냉간 압연 어닐링된 이중상 강이 제공된다. 또한, (1) 제련 및 주조 단계; (2) 열간 압연 단계; (3) 냉간 압연 단계; (4) 어닐링 단계; (5) 조질 압연 단계를 포함하는, 냉간 압연 어닐링된 이중상 강을 제조하는 방법이 제공된다.
Patent KR-20200011989-A (KR)
Title: 미생물 조성물
Inventor: BJORKLUND MALIN
IPC: A61K35/00
Filed: 2018-06-05
Abstract: 본 발명은 (i) 미생물, 바람직하게는, 프로바이오틱 박테리아; (ii) 당 알코올, 예컨대, 에리스리톨 및 자일리톨; (iii) 수분 흡수성 섬유, 예컨대, 이눌린; (iv) 유동제, 예컨대, 이산화규소; 선택적으로 (v) 향미제; 및/또는 선택적으로 (vi) 증량제, 예컨대, 말토덱스트린을 포함하거나 이로 구성되는 경구 투여용 분말 형태의 미생물 조성물을 제공한다. 조성물은 우수한 저장 안정성, 빠른-용융 및 관능 특성을 나타낸다. 이는 바람직하게는 밀봉된 스틱 팩 알루미늄 용기에 단일 투여량으로 포장된다.
Patent KR-20210088085-A (KR)
Title: Method and apparatus for controlling streeing motor
Inventor: KIM TAE SIK
IPC: B62D5/04
Filed: 2020-01-06
Abstract: One embodiment relates to a method and a device for controlling a steering motor. More specifically, the method for controlling a steering motor according to an embodiment can comprise: a current checking step of checking a motor current value of a steering motor unit; a table checking step of checking a deviation angle value corresponding to the motor current value from a lookup table for pre-stored deviation angle adjustment; a signal generating step of generating a deviation angle control signal for setting a deviation angle between a first driving unit and a second driving unit of the steering motor unit as the deviation angle value; and a driving control step of controlling driving of the steering motor unit through the deviation angle control signal. The present invention properly changes the deviation angle of the steering motor unit according to a driving environment of the steering motor unit.
Patent KR-20210089317-A (KR)
Title: Stack effect Precautionary device in High-rise building fire escaping floor
Inventor: KANG KI NAM
IPC: F24F110/10
Filed: 2020-01-08
Abstract: According to one aspect of the present invention, a high-rise apartment house evacuation floor-linked stack effect prevention device comprises: a main body having an inner space; a filter provided to one surface of the main body to prevent introduction of foreign substances when external air is introduced into the inner space; a duct type inline plate provided to the inner space to be positioned on a rear side of the filter to move the introduced external air; a blower provided to the other surface of the main body to discharge the introduced external air to an elevator shaft; and a damper provided to a side surface of the main body to discharge the introduced external air to a stair chamber.
Patent KR-20210089805-A (KR)
Title: Platinum paste composition having high transmittance, preparation method of counter electrode using the same and sensitized solar cell comprising the counter electrode prepared thereby
Inventor: LEE JAE JOON
IPC: H01G9/20
Filed: 2020-01-08
Abstract: The present invention relates to a platinum paste which has high transmittance and can form a large area to be used for a sensitized solar cell, a counter electrode manufacturing method using the same, and a sensitized solar cell including a counter electrode manufactured thereby. According to the present invention, the platinum paste composition is formed by adding a binder resin, platinum (II) acetylacetonate, a specific platinum precursor to an organic solvent in a specific ratio to provide high transmittance through a simple process and provide a specific viscosity. Accordingly, since the platinum paste composition is applied in a uniform thickness on a transparent substrate to maintain uniform transmittance without deviation in the transmittance, deviation of a photoelectric conversion efficiency of a solar cell module is reduced according to a light incident direction, thereby increasing overall solar cell performance.
Patent KR-20210092464-A (KR)
Title: Apparatus and method for analyzing network traffic using artificial intelligence
Inventor: CHOI BYUNG HWAN
IPC: H04L12/26
Filed: 2020-01-16
Abstract: The present invention relates to an apparatus for analyzing network traffic using artificial intelligence (AI), which can identify a variant attack in security equipment on the basis of a pattern generated by analyzing traffic information extracted from a malicious code and can analyze a new type or variants through analysis of similarity of attack types, and a method thereof. According to the present invention, the method comprises the following steps: checking packet information corresponding to a first event on the basis of information transmitted from a security device; checking whether the first event corresponds to a malicious action by using an AI engine, which is learned on the basis of priority information related to malicious actions, on the basis of packet information and a first similarity determination criterion; extracting characteristic information corresponding to the first event on the basis of packet information when the first event corresponds to a malicious action to distribute a first rule to be applied to an intrusion prevention system; checking additional packet information corresponding to the first rule; analyzing similarity between metainformation corresponding to the additional packet information and metainformation corresponding to the first rule on the basis of a second similarity criterion different from the first similarity criterion; checking the attack type of a second event corresponding to the additional packet information on the basis of similarity analysis of the metainformation to determine whether the second event is confirmed as a malicious action; and when the second event is determined to be a malicious action, extracting characteristic information corresponding to the second event to distribute a second rule to be applied to the intrusion prevention system.
Patent KR-20210093677-A (KR)
Title: Microwave sensor apparatus
Inventor: BAE JUNGHYUNG
IPC: G01S7/02
Filed: 2020-01-20
Abstract: Disclosed is a microwave sensor apparatus of a dielectric resonator oscillator (DRO) type which can drastically reduce manufacturing costs. The microwave sensor apparatus comprises: a resonance adjustment bolt to adjust a resonant frequency by adjusting a height at which the resonance adjustment bolt is inserted into a resonator; a printed circuit board on which the resonator and a patch-type microwave sensor are loaded; and a shielding housing having a bolt fastening hole formed to allow fastening of the resonance adjustment bolt at a position corresponding to the resonator, and made of a metallic material to be coupled to the upper surface of the printed circuit board to shield the microwave sensor from external interference. A gear tooth pattern unit is formed on the inside of the bolt fastening hole to allow an ascent or a descent of the resonance adjustment bolt.
Patent KR-20210104243-A (KR)
Title: removable moisture removing product
Inventor: KIM YOUNG SAM
IPC: B01D53/26
Filed: 2020-02-17
Abstract: The present invention relates to a detachable moisture removal article. The detachable moisture removal article of the present invention consists of: a magnetic body unit in a fixing unit; a magnetic body unit in a receiving unit; the fixing unit for fixing the receiving unit; a storage unit; a ventilation unit having a ventilation hole; and the receiving unit. According to the present invention, the detachable moisture removal article can be used by being taken out of any container.
Patent KR-20210105617-A (KR)
Inventor: KIM JI HONG
IPC: A61B5/11
Filed: 2020-02-19
Abstract: The present invention is to provide a posture correction notification device for preventing spinal diseases and maintaining a correct posture by performing convenient posture correction in a portable manner. The posture correction notification device according to an embodiment of the present invention includes: a sensor unit which detects motion data for a body part of a user sitting on a chair provided with a backrest; a communication unit which performs communication with a user terminal; a processor; and a memory which stores commands executable by the processor. The processor calculates, by executing the commands, a posture angle of the user by analyzing the detected motion data, determines a degree of a poor posture according to whether the calculated posture angle is within a preset reference range, and transmits correction information including the determined degree of a poor posture to the user terminal through the communication unit.
Patent KR-20210106622-A (KR)
Title: Plasma ashing apparatus
Inventor: UM YOUNG JE
IPC: G03F7/42
Filed: 2020-02-20
Abstract: Disclosed is a plasma ashing device. The plasma ashing device comprises: a reaction chamber wherein water is stored; a chuck that supports a substrate and disposed higher than that of the water surface level in the reaction chamber; and a plasma source coupled to an upper part of the reaction chamber and forming a plasma state of water vapor provided from the water in order to remove the photoresist on the substrate. Therefore, the present invention is capable of allowing manufacturing costs and maintenance costs and the like to be greatly reduced.
Patent KR-20210107988-A (KR)
Title: Inspection device, inspection method and repair method of display panel using the same
Inventor: LEE WON HO
IPC: H01L25/075
Filed: 2020-02-24
Abstract: An inspection device, and an inspection method and repair method of a display panel using the same are provided. Among them, the inspection method of the display panel, in an inspection device for inspecting a display panel having light emitting elements, includes an 'image acquisition step' of acquiring the image of the display panel; and an 'alignment determination step' of determining the alignment degree of the light emitting devices in the display panel.
Patent KR-20210109097-A (KR)
Title: Method for relaying on-line electronic commerce and server providing the same
Inventor: KIM HYUN DONG
IPC: G06Q30/02
Filed: 2020-02-26
Abstract: The present invention relates to an online electronic commerce intermediation method and a server providing the method for commodity transaction intermediation between a consumer and sellers in online electronic commerce. The method includes: a step in which a communication unit receives commodity-of-interest information including at least one of commodity name, manufacturer, and commodity number from a buyer terminal; a step in which a control unit designates a commodity of interest based on the commodity-of-interest information; a step in which the control unit receives a sale condition from at least one seller terminal as a response to the designated commodity of interest through the communication unit and transmits the sale condition to the buyer terminal; a step in which the control unit receives a buyer response to the sale condition from the buyer terminal through the communication unit and determines whether or not the buyer response includes a consent message and both parties agree; and a step in which the control unit confirms a purchase contract as to the commodity of interest on condition that the parties agree.
Patent KR-20200110194-A (KR)
Inventor: AN CHAN GWEN
IPC: G05G1/38
Filed: 2020-03-04
Abstract: The present invention relates to a pedal device for a vehicle, and more specifically, to a pedal device for a vehicle, capable of generating hysteresis when a driver operates a pedal. The pedal device for a vehicle according to an embodiment of the present invention includes: a pedal arm rotationally positioned around a rotation axis in a pedal housing; a foot force generation unit for generating foot force in a direction opposite to a direction in which the operating force of the pedal arm acts through a pedal pad formed on the pedal arm; a friction force generation unit that includes a contact unit formed at an end of the pedal arm close to the rotation axis and a contact surface formed to come in contact with the contact unit on the inner surface of the pedal housing, and generates friction force between the contact unit and the contact surface when the pedal arm is rotated; and a position sensing unit for sensing the position of the pedal arm. The position sensing unit includes: a magnet whose position is changed when the pedal arm is rotated; and a sensor unit for sensing the strength of magnetic force according to the position of the magnet. Two or more polarities of the magnet are alternately arranged in a displacement direction and a direction perpendicular thereto.
Patent KR-20210114238-A (KR)
Title: Method and apparatus for camera calibration
Inventor: LEE DEOK WOO
IPC: G06T5/00
Filed: 2020-03-10
Abstract: Disclosed are a camera calibration method to reduce the number of shots required for camera calibration and a camera calibration device thereof. According to one embodiment of the present invention, the camera calibration method comprises the following steps: identifying an original image on which a chessboard formed of a plurality of grids is displayed for camera calibration; processing the original image so that a background area excluding the chessboard is identified in the original image; extracting an outline forming the chessboard from the processed original image; determining corners of the grids included in the extracted outline; processing the grids in the original image so that the grids of the chessboard have the same size shape by using the determined corners of the grids; and removing regions except for the processed grids from the original image to acquire a calibration image formed of the processed grids.
Patent KR-20210115822-A (KR)
Title: Control system having isolated user computing part and method thereof
Inventor: KIM DEOK WOO
IPC: G06F21/52
Filed: 2020-03-16
Abstract: The present invention relates to a control system for monitoring and taking measures not only for security but also for abnormal situations and abnormal operations in control systems in various fields. The control system according to the present invention includes a user computing unit and a security computing unit. The user computing unit includes a CPU thereof, and executes a user program (ie, a control program) to generate control information (control signal). The security computing unit includes a CPU thereof, and checks input information input from a controlled device and recheck information generated by the user computing unit to generate system check information. The system check information is compared with system state determination reference information set by a user. When the system state is within a normal range, the control information is output to an output device as it is, and when the system state is not within the normal range, a security measure set by the user is performed.
Patent KR-20210116928-A (KR)
Title: Method of pattern developing for swimwear and swimwear patterned using the method
Inventor: HAN HYUN JUNG
IPC: A41D7/00
Filed: 2020-03-18
Abstract: A method of pattern construction for swimwear according to the present invention comprises the steps of: 1) taking measurements of the waist circumference (W), bust circumference (B), hip depth (H), crotch length (C), distance from the front side of the neck to the natural waist (WFL), and distance from the nape of the neck to the natural waist (WBL); 2) setting a reference point and a reference line using the measurements obtained in step 1) and an equation; and 3) drafting a pattern using the reference point and the reference line.
Patent KR-20200115264-A (KR)
Title: Method for producing polyimide film and method for producing metal clad laminate
Inventor: KANEKO KAZUAKI
IPC: C08G73/10
Filed: 2020-03-25
Abstract: Provided is a method of efficiently obtaining a polyimide film while recovering and reusing a raw material solvent used in production without deteriorating physical properties. A method for producing a polyimide film comprises a first heat treatment step of heating a solution of polyamic acid containing a raw material solvent to form a resin film of polyamic acid and a second heat treatment step of imidization by heating the solution at a higher temperature, wherein the highest temperature (T1max) and a boiling point (Tb) of the raw material solvent in the first heat treatment step satisfy 0.5Tb < T1max < Tb, the content of the raw material solvent contained in the resin film is 10 to 50 mass%, the highest temperature in the second heat treatment step is higher than the Tb, the content of the raw material solvent contained in the polyimide film is less than 1 mass%, the polyimide film has a coefficient of thermal expansion of 10 to 30 ppm/K, and the raw material solvent is recovered and reused in the first heat treatment step.
Patent KR-20210124779-A (KR)
Title: Frequency sensitive type shock absorber
Inventor: KYUDO KIM
IPC: F16F9/50
Filed: 2020-04-07
Abstract: A frequency sensitive shock absorber is disclosed. According to an embodiment of the present invention, the shock absorber comprises: a pilot chamber connected to a rod flow passage formed inside a piston rod where a piston valve, dividing the inside of a cylinder into a compression chamber and a tensile chamber, is coupled; and a valve assembly having a pilot valve elastically deformed according to a pressure change of the pilot chamber. The pilot valve comes in contact with a tensile disk to apply an effect to a tension valve unit of a piston valve bent and deformed by damping fluid passing a tension flow passage when the pilot valve is elastically deformed according to the pressure change of the pilot chamber.
Patent KR-20200123386-A (KR)
Title: Motor and cleaner including same
Inventor: MASAYUKI TAKADA
IPC: H02K9/06
Filed: 2020-04-16
Abstract: The present invention realizes a compact driving motor capable of both high output including high speed rotation and light weight. The compact driving motor is a driving motor (50) rotating in a predetermined direction. The driving motor (50) is provided with a rotor (52) which does not have a magnet and has a plurality of salient pole parts (52b). A stator core (60) has a plurality of element cores (61) and the plurality of magnets (62). A slit (52c, or a void (an example of a second air gap)) is formed in the salient pole parts (52b). The salient pole parts (52b) have a large magnetic circuit part (52d, a first magnetic circuit part) having a larger cross-sectional area in the front of the slit (52c) in a rotational direction, and a small magnetic circuit part (52e, a second magnetic circuit part) having a small cross-sectional area in the rear of the slit (52c) in the rotational direction.
Patent KR-20200125487-A (KR)
Title: Aqueous cosmetics
Inventor: TAKEZAWA SHUNPEI
IPC: A61K8/60
Filed: 2020-04-22
Abstract: Disclosed is an aqueous cosmetic composition including polyhydric alcohol and carminic acid, wherein the carminic acid content is 0.2% by mass or more and less than 2% by mass relative to the total amount of the aqueous cosmetic composition. The present invention makes high concentration of carminic acid stable for a long time.