baber/WOPTO huggingface dataset:
Patent KR-20220048211-A (KR)
Inventor: JANG DONG KWAN
IPC: H01M10/613
Filed: 2020-10-12
Abstract: A battery pack includes: a plurality of battery cells; a gas device for storing a cooling gas; and a battery management system that detects abnormal battery cells based on information about voltages and temperatures of the plurality of battery cells, and controls the gas device to discharge the cooling gas from the gas device.
Patent KR-20220051284-A (KR)
Inventor: KIM TAE HOON
IPC: G10D11/00
Filed: 2020-10-18
Abstract: Invented is a melodeon using a noiseless blower. In a tool which uses the noiseless blower instead of a piano to hit keys and make sounds, a user can play the melodeon for a long time more hygienically and comfortably than before. The melodeon uses the noiseless blower, allowing a user to turn a power on and off at will using a switch without any inconvenience in playing. The melodeon using the noiseless blower of the present invention comprises: a melodeon main body (1); a hole (2); a straw (3); the noiseless blower (4); a motive power battery (5); and a switch (6).
Patent KR-20200126349-A (KR)
Title: Nozzle assembly for 3D printer with clay as the main material
Inventor: LEE JONG HYUP
IPC: B33Y30/00
Filed: 2020-10-19
Abstract: The present invention relates to a nozzle assembly for a 3D printer using clay as a main material for molding ceramics with a 3D printer using clay. The present invention comprises: a nozzle tube (10) in which a discharge screw (60) for pushing mixed clay into a spray hole is built therein, a clay spray hole (11) for spraying the mixed clay when the discharge screw (60) is rotated is formed, and one or more clay inlet tube (12) through which clay is introduced is formed at an upper end thereof; an air spray tube (20) which is fixed to the outer surface of the nozzle tube (10) and in which an air inlet tube (21) through which the external air is introduced is connected and fixed for ventilation, and an air spray hole (22) for spraying air to clay 3D-printed by being sprayed from the clay spray hole (11) is formed at a lower end thereof; and a rotation guide (30) which is disposed and fixed between the nozzle tube (10) and the air spray tube (20) so as to spray the air into the air spray hole (22) while rotating the air introduced through the air inlet tube (21).
Patent KR-20210154688-A (KR)
Inventor: LIAO SSU YU
IPC: H01L29/06
Filed: 2020-10-19
Abstract: Disclosed are a method for improving profile of a channel region in a semiconductor device and a semiconductor device formed thereby. According to one embodiment, the method comprises: a step of forming a semiconductor fin over a semiconductor substrate, wherein the semiconductor fin comprises germanium, a germanium concentration of a first portion of the semiconductor fin is greater than a germanium concentration of a second portion of the semiconductor fin, and the first portion and a first distance between the major surface of the semiconductor substrate is less than a second distance between the second portion and the major surface of the semiconductor substrate; and a step of trimming the semiconductor fin, wherein the first portion of the semiconductor fin is trimmed at a greater rate than the second portion of the semiconductor fin.
Patent KR-20220051725-A (KR)
Inventor: KIM SANGHEON
IPC: G06F3/038
Filed: 2020-10-19
Abstract: An embodiment of the present invention relates to an electronic device for controlling the operation of an electronic pen device, an operation method in an electronic pen and a storage medium. According to an embodiment, the electronic device for controlling the operation of an electronic pen comprises: a communication module; a display module; at least one processor electrically connected to the communication module and the display module; and a memory including instructions which can be executed by the at least one processor. The at least one processor controls the communication module to establish connection to the electronic pen device, transitions the operating state of the electronic pen into an air pointer operation state based on a first signal by the button input of the electronic pen device, obtains the positional information of the display module corresponding to the position or motion of the electronic pen device with the button input released and with the air pointer operation maintained, controls the display module to display an object representing the air pointer operation based on the feature information of at least one object displayed on the display module and the positional information, and performs an operation corresponding to an action event of the electronic pen device. Other embodiments are possible. Therefore, provided are an electronic device for controlling the operation of an electronic pen device, an operation method in an electronic pen and a non-transitory storage medium, wherein a motion desired by a user can be performed accurately and the air interaction of the electronic pen device can be controlled.
Patent KR-20220055591-A (KR)
Inventor: JANG WOO SEOK
IPC: G06Q30/02
Filed: 2020-10-27
Abstract: The present invention relates to a method and system for matching a clothes buyer and a clothes seller to provide a matching result that both a potential buyer and the clothing seller are satisfied with. To achieve this, the system comprises: a potential buyer analysis unit identifying a clothes buyer's taste and preferred clothes style and price range; a distributed storage server distributing and storing preferred clothes style and price range information; and a clothes buyer matching unit providing the preferred clothing style and price range information when a preferred clothes style and price range are below a predetermined standard and matching the clothes buyer and a clothes seller when the preferred apparel style and price range exceed the predetermined standard. In addition, the method comprises the following steps: identifying a clothes buyer's taste and preferred clothes style and price range; and providing preferred clothing style and price range information when a preferred clothes style and price range are below a predetermined standard and matching the clothes buyer and a clothes seller when the preferred apparel style and price range exceed the predetermined standard.
Patent KR-20220056513-A (KR)
Inventor: KIM CHEON MYEONG
IPC: H04R9/04
Filed: 2020-10-28
Abstract: The present invention relates to a microspeaker having a structure for preventing separation of a magnet, and more particularly, to a microspeaker which prevents an outer magnet from falling out due to an impact by including a pressing unit for pressing the outer magnet in a frame. The present invention provides the microspeaker having a structure for preventing separation of a magnet, the microspeaker including: a yoke; an inner magnet attached to the center of the yoke; a plurality of outer magnets disposed at a distance from the inner magnet; an inner top plate attached to the upper surface of the inner magnet; a plurality of outer top plates attached to the upper surfaces of the plurality of outer magnets, respectively; a voice coil of which the bottom end is positioned in an air gap between the inner magnet and the outer magnet; a diaphragm to which the voice coil is attached and which vibrates together with the voice coil to generate sound; and a frame coupled to the outer periphery of the yoke and on which the diaphragm is seated, wherein the frame has a ventilation hole formed in at least one surface thereof, the outer magnet disposed at the position facing the frame having the ventilation hole is disposed at a distance from the frame, and the frame has a protruding portion protruding inward from one surface having the ventilation hole to come in contact with the outer magnet.
Patent KR-20210147838-A (KR)
Inventor: KIM JEONG HWAN
IPC: G16C20/40
Filed: 2020-10-28
Abstract: A method for classifying a candidate substance of a drug delivery system according to an embodiment of the present invention includes: an input step of inputting an analyte through an input unit; an extraction step of extracting, by an extraction unit, a hydrophilic group and a lipophilic group provided in the analyte; a determination step of determining, by a determination unit, the suitability of the analyte as a candidate substance of a drug delivery system; and an output step of outputting the suitability of the analyte through an output unit.
Patent KR-20220057864-A (KR)
Inventor: KIM SE JIN
IPC: F21S10/02
Filed: 2020-10-30
Abstract: The present invention relates to a toothbrushing-timer toothbrush container capable of showing an accurate toothbrushing time through a neo-pixel, thereby solving an issue that an existing toothbrush container is useless even with a large volume thereof. In accordance with the present invention, the toothbrushing-timer toothbrush container comprises: a weight sensor attached to a bottom part of the toothbrush container to recognize the weight of a toothbrush; a neo-pixel emitting light in different colors depending on time so that a user can be informed about a time and a way of toothbrushing; and the toothbrush container provided to store toothbrushes therein and formed with a general toothbrush container having the neo-pixel and the weight sensor. Therefore, the present invention can have an effect of showing an accurate toothbrushing time through the neo-pixel, thereby solving an issue that the volume of an existing toothbrush container is large but meaningless.
Patent KR-20220058214-A (KR)
Inventor: LIM SEOL HEE
IPC: C07F3/00
Filed: 2020-10-30
Abstract: The present invention relates to an organometallic compound represented by chemical formula 1: M(A)_2, a composition for depositing a thin film comprising the organometallic compound, a preparation method of a thin film using the composition for depositing a thin film, a thin film prepared from the composition for depositing a thin film, and a semiconductor device comprising the thin film. [Chemical formula 1] M(A)_2 In the chemical formula 1, the definitions of M and A are the same as described in the specification.
Patent KR-20220060102-A (KR)
Inventor: MOON DONG JOON
IPC: G06Q30/06
Filed: 2020-11-04
Abstract: The present invention relates to an outsourcing brokerage system and brokerage method of an online project joint purchase method, wherein the outsourcing brokerage system of the online project joint purchase method comprises: an authorizer terminal; an appointee terminal; and a server. Therefore, the present invention is capable of having a beneficial effect that can further promote online project outsourcing.
Patent KR-20210057674-A (KR)
Title: Chiral nanostructure
Inventor: LEE JAE BEOM
IPC: B82Y40/00
Filed: 2020-11-04
Abstract: The present invention relates to a nanostructure having availability in various technical fields through structural chirality and real-time self-assembly. More specifically, provided is the chiral nanostructure which comprises: a first structure having at least two nanoparticle arrangement structures, wherein the nanoparticle arrangement structure has at least one nanoparticle; and a second structure having at least one nanoparticle and spaced from the first structure. The nanoparticle comprises a magneto-plasmonic particle and an entire structure having chirality.
Patent KR-20220064779-A (KR)
Title: High power magnetron with high precision frequency control
Inventor: LEE JEONG HUN
IPC: H05H7/04
Filed: 2020-11-12
Abstract: The present invention relates to a high-power magnetron capable of high-precision frequency control, and more particularly, to a high-power magnetron capable of high-precision frequency control using a variable lead worm gear. In the present invention, disclosed is a high-power magnetron capable of high-precision frequency control using a worm gear, which can solve the problems that an error may occur in a driving frequency value as an error occurs due to backlash in a worm gear used for frequency tuning of the magnetron, and furthermore, as the gear continues to be used, the same wears out and an error value increases.
Patent KR-20220065471-A (KR)
Title: Optical power control method for Optical communication module
Inventor: LEE EUN SUNG
IPC: H04B10/564
Filed: 2020-11-13
Abstract: The present invention relates to an optical communication module such as a small form-factor pluggable (SFP). More specifically, the present invention relates to a method in which an optical communication module provided in an optical communication device controls optical power autonomously. An optical communication module according to an aspect of the present invention may include: an optical transmission assembly for generating first transmission light by using an inputted electrical signal and outputting the first transmission light; an optical reception assembly that separates inputted first received light into first received payload data and first received auxiliary management data and outputs the same; an auxiliary management controller for controlling attenuation of at least one among transmission light outputted from the optical transmission assembly and reception light inputted to the optical reception assembly by analyzing the first received auxiliary management data. The optical communication module according to the present invention can appropriately attenuate the level of an optical signal transmitted without a manager dispatching to a site.
Patent KR-20220066681-A (KR)
Title: Water heating device
Inventor: KWON TAE SEONG
IPC: B01D35/06
Filed: 2020-11-16
Abstract: The present invention relates to a water heater. The water heater comprises: a storage tank for storing water; a combustion chamber provided in the storage tank and providing a space for a combustion reaction; and a filter module provided to receive the water from the storage tank, removing at least a portion of an ionic material contained in the supplied water through an electrical power, provided to generate soft water containing less ionic substances than the supplied water, and provided to supply the generated soft water to the storage tank. The water heater is capable of lowering acidity of condensed water.
Patent KR-20220067010-A (KR)
Title: Functional WALL COATINGS
Inventor: SIN JAE MOO
IPC: E04B1/92
Filed: 2020-11-17
Abstract: The present invention relates to a functional wall-coating material composition that reduces indoor fine dust and improves antiviral properties, and a manufacturing method therefor. More specifically, the present invention relates to a functional wall-coating material composition that not only has excellent adhesive strength but also has the functions of controlling humidity and removing malodors, continuously purifying harmful substances generated in the surroundings as well as not causing diseases such as atopic dermatitis, asthma, and sick house syndrome caused by harmful substances, and to a manufacturing method therefor, wherein the functional wall-coating material composition reduces indoor fine dust and improves antiviral properties.
Patent KR-20220072023-A (KR)
Title: 표시 장치 및 이의 구동 방법
Inventor: LEE IL HO
IPC: G06F3/041
Filed: 2020-11-23
Abstract: 표시 장치는 영상을 표시하는 표시패널, 상기 표시패널 상에 배치되어 입력을 센싱하고, 제1 영역 및 제2 영역을 포함하는 입력 센서, 및 상기 입력 센서에 연결된 센서 컨트롤러를 포함한다. 상기 입력 센서는 상기 제1 영역에 배치된 제1 센싱 전극들, 상기 제2 영역에 배치된 제2 센싱 전극들, 및 상기 제1 및 제2 영역의 경계와 중첩하도록 배치된 경계 센싱 전극을 포함한다. 상기 경계 센싱 전극은 상기 제1 센싱 전극들 중 일부와 상호 커패시터를 형성하고, 상기 제2 센싱 전극들 중 일부와 상호 커패시터를 형성한다.
Patent KR-20220074033-A (KR)
Inventor: NAM KI WAN
IPC: A61K8/9722
Filed: 2020-11-27
Abstract: 발아녹두로부터 추출된 발아녹두추출물, 천연세라믹 광물질, 콩과 호박의 천연 유기농 복합 추출물을 유효성분으로 포함하고, 상기 화장료 조성물 전체 100 중량부에 대해서, 상기 천연 유기농 복합 추출물 15 중량부, 발아녹두추출물 10중량부, 천연세라믹 광물질, 정제수 10중량부, 프로필렌글리콜 0.1중량부, 부틸렌글라이콜 0.1중량부, 소듐하이알루로네이트 0.1중량부, 글리세린 0.1중량부, 베타인 0.1중량부, 조류분말 15중량부, 녹조분말 10중량부 및 제충국 추출물 10중량부로 포함하는 천연 추출물을 포함하는 기능성 화장료 조성물의 제조방법에 관한 것이다.
Patent KR-20220074167-A (KR)
Title: 섬유형 에너지 하베스터 및 그의 제조방법
Inventor: KIM SHI HYEONG
IPC: H01M14/00
Filed: 2020-11-27
Abstract: 본 발명은 제1 전도성 섬유 및 제1 고분자 전해질을 포함하는 제1 전극; 제2 전도성 섬유 및 제2 고분자 전해질을 포함하는 제2 전극; 및 상기 제1 전극 및 상기 제2 전극으로 이루어진 군으로부터 선택된 1종 이상의 전극 상에 코팅되고, 상기 제1 전극과 상기 제2 전극을 전기적으로 절연하는 친수성 고분자; 를 포함하고, 상기 제1 고분자 전해질은 상기 제1 전도성 섬유 상에 코팅된 고분자 전해질 및 상기 제1 전도성 섬유 내부에 함침된 고분자 전해질로 이루어진 군으로부터 선택된 1종 이상을 포함하고, 상기 제2 고분자 전해질은 상기 제2 전도성 섬유 상에 코팅된 고분자 전해질 및 상기 제2 전도성 섬유 내부에 함침된 고분자 전해질로 이루어진 군으로부터 선택된 1종 이상을 포함하고, 상기 제1 전극과 상기 제2 전극은 서로 마주하여 꼬이거나(twisted) 꼬이지 않은(non-twisted) 것이고, 상기 제1 고분자 전해질은 상기 제2 고분자 전해질과 서로 다른 종류의 것인 섬유형 에너지 하베스터에 관한 것이다. 본 발명은 전도성 섬유 상에 고분자 전해질을 코팅하여 제조한 전극을 사용함으로써 습도에 민감하게 감응하는 효과가 있다.
Patent KR-20220074476-A (KR)
Inventor: SEONGGEUN KWON
IPC: B66B1/46
Filed: 2020-11-27
Abstract: 다양한 실시예들에 따른 제1 전자 장치(electronic device)는, 블루투스 통신 회로와, 인스트럭션(instruction)들을 저장하도록 구성된 메모리와, 상기 인스트럭션들을 실행할 시, 승강기 차(elevator car)를 호출하기 위한 호출 버튼(call button) 내에 포함되고, 상기 호출 버튼의 상태를 제어하기 위한, 제2 전자 장치로부터 방송되는 상기 제2 전자 장치의 식별 정보를 포함하는 방송 신호를 상기 블루투스 통신 회로를 이용하여 수신하고, 상기 방송 신호를 수신하는 동안 상기 방송 신호의 수신 세기가 기준 수신 세기보다 큰 지 여부를 식별하고, 상기 수신 세기가 상기 기준 수신 세기보다 큼을 식별하는 것에 응답하여, 상기 제2 전자 장치의 식별 정보에 기반하여 상기 제1 전자 장치와 상기 제2 전자 장치 사이의 블루투스 통신 링크를 상기 블루투스 통신 회로를 이용하여 수립하고, 상기 호출 버튼의 상태를 상기 승강기 차를 호출하는 상태로 전환하기 위한 신호를, 상기 제1 전자 장치와 상기 제2 전자 장치 사이의 블루투스 통신 링크를 통해 상기 제2 전자 장치에게, 상기 블루투스 통신 회로를 이용하여 송신하도록 구성되는 프로세서를 포함할 수 있다.
Patent KR-20220075609-A (KR)
Inventor: PARK GEUN HO
IPC: G06Q50/12
Filed: 2020-11-30
Abstract: 본 개시의 다양한 실시예들에 따른 사용자 모임 지원 서비스를 제공하는 방법은 사용자 모임을 생성하는 단계; 등록된 사업장 정보에 기초하여, 상기 사용자 모임에 매칭되는 사업장을 지정하는 단계; 상기 사용자 모임 및 상기 사업장에 대응하는 예약 코드를 발급하는 단계; 및 기 예약 코드에 기초하여 상기 사용자 모임에 참가한 복수의 사용자를 식별하고, 상기 복수의 사용자의 사용자 정보에 기초하여 추천 대화 주제를 제공하는 단계를 포함할 수 있다.
Patent KR-20220076724-A (KR)
Title: 차량용 전동식 조향장치의 모터 제어 장치 및 방법
Inventor: JE SUNG KYU
IPC: B62D5/04
Filed: 2020-12-01
Abstract: 차량용 전동식 조향장치의 모터 제어 장치 및 방법이 개시된다. 본 발명의 차량용 전동식 조향장치의 모터 제어 장치는 전동식 조향장치의 모터를 제어하는 모터 제어기의 온도를 감지하는 온도 감지부; 및 상기 전동식 조향장치의 조향 제어 모듈로부터 모터에 인가되는 모터 전류와 상기 온도 감지부에 의해 감지된 상기 모터 제어기의 온도에 따라 상기 모터 전류를 조절하는 출력 조절 모듈을 포함하는 것을 특징으로 한다.
Patent KR-20220078100-A (KR)
Title: 끈 조절 마스크
Inventor: SHIN JAE HYUB
IPC: A41D13/11
Filed: 2020-12-03
Abstract: 끈 조절 마스크는, 마스크 본체, 양단이 각각 마스크 본체에 결합되며 사용자의 머리 뒷부분 또는 목을 지나가는 고정끈, 및 고정끈이 머리 뒷부분 또는 목에 조여지도록 하는 끈 조임 유닛을 포함한다.
Patent KR-20220079138-A (KR)
Inventor: HWANG IN GUK
IPC: G01N30/34
Filed: 2020-12-04
Abstract: 본 발명은 여주 추출물로부터 GABA를 분석하는 방법에 관한 것으로, 본 발명에 따른 여주 동결건조분말의 GABA 함량을 분석하기 위한 추출방법, 유도체와 방법 및 액체크로마토그래피 분석 조건을 통하여, 여주 동결건조분말의 GABA 성분을 미세한 함량까지 정량이 가능하며, 분석의 정밀성과 정확성이 확보되어 분석결과의 신뢰성이 보장될 수 있다.
Patent KR-20210084286-A (KR)
Title: Multilayer ceramic capacitor
Inventor: FUKUNAGA DAIKI
IPC: H01G4/30
Filed: 2020-12-23
Abstract: Provided is a multilayer ceramic capacitor capable of improving a reliability by suppressing a concentration of an electric field to at least an end of an internal electrode. A third segregation by each of the metal elements of a first segregation and a second segregation exists in each of a first corner part area where a length-wise direction end part at which the first segregation exists and a width-wise direction end part at which the second segregation exists overlap each other in a first internal electrode layer, and a second corner part area where the length-wise direction end part at which the first segregation exists and the width-wise direction end part at which the second segregation exists overlap each other in a second internal electrode layer.
Patent KR-20220092081-A (KR)
Title: Home network system, and home network device and method thereof
Inventor: RYU JI WON
IPC: H04L12/28
Filed: 2020-12-24
Abstract: A home network setting method of the present invention comprises: a first receiving step of receiving a network setting input for setting a home network; a first display step of displaying a network setting menu including a mode information selection menu; a second receiving step of receiving an input for mode information; a third receiving step of receiving an input for household information including information on at least one of the complex start number, dong, floor, and number of a building; and a conversion step of converting the household information into an internet protocol (IP) address based on the mode information.
Patent KR-20220092259-A (KR)
Title: Method for utility capacity optimization design of renewable energy hybrid system
Inventor: LEE SANG CHEOL
IPC: G06F111/20
Filed: 2020-12-24
Abstract: A method for designing utility capacity optimization of a renewable energy hybrid system provided by the present invention can design optimal utility capacity considering economic feasibility of various power supply sources and power storage sources of the renewable energy hybrid system.
Patent KR-20220094945-A (KR)
Inventor: KIM BYUNG SOON
IPC: G06Q50/02
Filed: 2020-12-29
Abstract: Disclosed is an intelligent autonomous irrigation system. The intelligent autonomous irrigation system of the present invention comprises: a pump pumping water to supply the water to soil where crops are planted; an irrigation unit including a water flow meter for measuring a flow rate of water which flows through a pipe by pumping, and a pump controller for controlling driving of the pump; an environmental information collection unit including a soil sensor for measuring moisture in the soil of an agricultural field and a camera for capturing images of growth of crops; and an irrigation management server calculating a minimum required moisture amount in order to determine whether to irrigate soil with respect to a predetermined threshold of dry soil and considering irrigation to be necessary when a result of calculating the minimum required moisture amount is a positive number and to be unnecessary when the result is a negative number, wherein the irrigation management server calculates an amount of irrigation to be supplied with respect to a predetermined threshold of wet soil when irrigation is necessary, calculates an irrigation time which corresponds to the amount of irrigation to be supplied, depending on a speed of water supply of the irrigation unit, and transmits a control command including the calculated irrigation time to the pump controller. Accordingly, the amount of irrigation can be minimized depending on a culturing situation of crops and irrigation can be controlled such that an optimal moisture status of soil can be kept and artificial irrigation can be minimized.
Patent KR-20220096214-A (KR)
Title: Blue light absorbing film, photoelectric device, and image sensor and electronic device including the same
Inventor: CHOI YEONG SUK
IPC: H01L51/42
Filed: 2020-12-30
Abstract: Provided are a film comprising a compound represented by following chemical formula 1 and selectively absorbing the light of a blue wavelength region, an optoelectronic device, and an image sensor, and an electronic apparatus comprising the same. In chemical formula 1, the definition of each substituent is the same as described in the specification.
Patent KR-20200020777-A (KR)
Title: 고유동 저광택 열가소성 조성물, 이의 제조 방법, 및 상기 조성물을 포함하는 물품
Inventor: FANG JIANFEI
IPC: C08K5/549
Filed: 2018-06-14
Abstract: 열가소성 조성물은 180℃ 초과의 유리 전이 온도를 갖는 폴리에테르이미드, 블록 폴리(에스테르-카보네이트) 및 유동 촉진제를 포함한다.  각각의 성분의 각각의 양은 또한 본원에 기술된다.  상기 열가소성 조성물의 제조 방법은 성분을 용융-혼합하는 단계 및 성분을 압출하는 단계를 포함한다.  상기 열가소성 조성물을 포함하는 물품이 또한 기술된다.
Patent KR-20200011565-A (KR)
Inventor: HASEGAWA SHOGO
IPC: B25J11/00
Filed: 2016-11-11
Abstract: 워크 등의 대상물을 고정하기 위한 지그나, 대상물의 자세를 조정하기 위한 장치 등이 필요치 않고, 특정 작업을 양호하게 수행할 수 있는 로봇 및 로봇에 의한 작업 방법을 제공한다. 본 발명의 로봇의 일례는, 선단에 대상물에 대해 수행할 특정 작업에 대응한 핸드부(15A)를 가지는 제1 로봇 암(10A)과, 선단에 특정 작업을 지원하기 위한 지원 작업에 대응한 핸드부(15B)를 가지는 제2 로봇 암(10B)을 구비하며, 제1 로봇 암(10A)은, 대상물에 대해 특정 작업을 수행하도록 구성되고, 제2 로봇 암(10B)은, 제1 로봇 암(10A)이 특정 작업을 수행할 때, 대상물의 소정 방향으로의 이동을 규제하는 지원 작업을 수행하도록 구성되어 있다.
Patent KR-20200010619-A (KR)
Inventor: ONO YUITIROU
IPC: C22C38/12
Filed: 2013-09-05
Abstract: 코일링 가공에 의한 인장 잔류 응력을 해소하고, 선재 표면에 C농화층을 형성하여 적절한 압축 잔류 응력 분포를 부여함으로써, 염가의 선재를 이용하여, 고내구성의 압축 코일 스프링 및 그 제조 방법을 제공한다.  　 
중량%로, C를 0.45∼0.80%, Si를 0.15∼2.50%, Mn을 0.3∼1.0% 포함하고, 잔부가 철 및 불가피 불순물로 이루어지는 원상당 직경이 2.5mm 이상 10mm 이하인 강선재를 이용한 압축 코일 스프링에 있어서, 임의의 선재 횡단면에 있어서의 내부 경도가 570∼700HV이며, 표층부에 강선재에 포함되는 C의 평균 농도를 넘는 C농화층을 가지며, 선재의 코일 스프링 내경측의 용수철에 압축 하중을 부하한 경우에 발생하는 대략 최대 주응력 방향에 있어서, 무부하 시의 선재의 표면으로부터 0.2mm 깊이에서의 압축 잔류 응력이 200MPa 이상임과 함께 표면으로부터 0.4mm 깊이에서의 압축 잔류 응력이 60MPa 이상인 것을 특징으로 한다.