baber/WOPTO huggingface dataset:
Patent KR-102279009-B1 (KR)
Title: Vial automatic loading and unloading device
Inventor: KIM CHANG MO
IPC: B65G47/82
Filed: 2021-01-22
Granted: 2021-07-19
Abstract: The present invention relates to an automatic vial loading and unloading device. The device comprises: a conveyor (110) for moving a vial introduced to one side and discharging the vial to the other side; at least one main frame (120) provided at a lower end of the conveyor (110), having a driving motor (121) provided therein, and supporting parts of a rotary bridge; the rotary bridge (130) provided at an upper end of each main frame (120) and operated to be unfolded or folded to be inserted into a freeze dryer (160) or drawn out to the outside; a loading unit (140) provided on one side of each rotary bridge (130) and pushing forward the vials erected in a line on an upper end of the conveyor (110); and an unloading unit (150) provided inside a freeze dryer (160) on the other side of each rotary bridge (130) and supporting the vials erected in one line while retreating. The present invention can prevent contamination of the vials from various contamination factors which can occur in a production process, by applying an unmanned system which does not pass through human hands in a process of freeze-drying the vials. The quality and reliability of the automatic vial loading and unloading device have been greatly improved, thereby satisfying various needs of workers and giving a good image.
Patent KR-102284600-B1 (KR)
Title: Organometallic complex and organic elcetroluminescent device including the same
Inventor: KIM GYU RI
IPC: C07F15/00
Filed: 2021-01-28
Granted: 2021-08-02
Abstract: Provided is an organometallic complex that contributes to substantial improvement of light color and light efficiency of an organic electroluminescent device. The organic electroluminescent device according to the present invention includes: a first electrode; a second electrode; one or more organic material layers disposed between the first electrode and the second electrode; and a light emitting layer, wherein the light emitting layer includes an organometallic complex represented by chemical formula 1. In chemical formula 1, each substituent is as defined in the description of the invention.
Patent KR-102490235-B1 (KR)
Title: 음식점용 집진시스템
IPC: B03C3/06
Filed: 2021-01-29
Granted: 2023-01-19
Abstract: 집진효율이 높고 관리가 용이한 음식점용 집진시스템이 제공된다. 이 집진시스템은, 배연관 내로 유입된 오염공기가 상기 배연관의 내벽을 따라 나선형으로 이동하도록 기류를 유도하는 기류 편류기; 및 집진관 내에 소정 간격으로 이격된 복수의 방전선을 구비하며 기류 편류기로부터 유입된 오염공기 중 먼지입자를 하전시켜 포집하는 전기집진장치를 포함한다.
Patent KR-102341027-B1 (KR)
Title: cover part of openable mask and openable mask using it
Inventor: PARK JIN WON
IPC: A41D13/11
Filed: 2021-01-29
Granted: 2021-12-20
Abstract: The present invention relates to a cover part for an openable mask, which can be smoothly open and closed without a separate fixing/separating means when a user eats beverages or food, and an openable mask using the same. According to the present invention, the cover part comprises a coupling part coupled to a wearing means and a cover covering a user's face. The coupling part and the cover are integrally cut and formed and are coupled to the wearing means in a folded state in a folding part and at least one through-hole is formed in the folding part along the foldable part so that the cover can rotate smoothly with respect to the coupling part in a use state. The wearing means is an ear hanging type frame and the ear hanging frame includes an ear hanging part and a body part extending from the ear hanging part and positioned on the front and side surfaces of the face, wherein the coupling part of the cover part is coupled to a body part of the frame.
Patent KR-102602749-B1 (KR)
IPC: H01M4/58
Filed: 2021-02-19
Granted: 2023-11-15
Abstract: 본 발명은 나트륨이온배터리용 양극재료 기술에 관한 것으로, 보다 구체적으로는 바나듐 함량을 감소시켜 친환경성 및 경제성을 향상시킬 수 있을 뿐만 아니라, 이를 양극으로 포함하는 나트륨이온 배터리의 전기화학적 특성까지도 향상시킬 수 있는 새로운 조성의 화합물을 포함하는 탄소 코팅된 NMTVP 나노복합체, 그 제조방법 및 이를 포함하는 응용제품에 관한 것이다.
Patent KR-102288697-B1 (KR)
IPC: H01L21/677
Filed: 2021-02-24
Granted: 2021-08-11
Abstract: 소정의 기체 분위기의 도달 농도가 높은 퍼지 처리를 행하는 것이 가능한 보톰 퍼지 방식을 채용하면서, 노즐 본체의 승강 동작을 간단한 제어로 행할 수 있고, 또한 부품 개수의 삭감 및 콤팩트화를 실현 가능한 퍼지 노즐 유닛을 제공한다.  몸통부(41) 및 몸통부보다도 측방으로 돌출된 플랜지부(8)를 구비한 노즐 본체(2)와, 플랜지부(8)의 외향면에 첨접하는 측벽(31) 및 몸통부(41)의 외향면이 첨접하는 관통 구멍(32)을 형성한 저벽(33)을 갖는 홀더(3)를 구비한, 홀더(3)에 외부에 연통하는 통기 구멍(30)을 형성하고, 상기 노즐 본체(2)와 홀더(3) 사이에 형성되고 또한 통기 구멍(30)에 연통하는 압력 조정 공간(S)의 압력을 조정함으로써, 노즐 본체(2)를 홀더(3)에 대하여 승강 이동시키는 퍼지 노즐 유닛(1)으로 하였다.
Patent KR-102533952-B1 (KR)
IPC: C07C67/31
Filed: 2021-02-25
Granted: 2023-05-26
Abstract: 본 발명은 프로필렌 글리콜 메틸 에테르 아세테이트(PGMEA)를 제조하는 장치로서, 프로필렌 글리콜 메틸 에테르(PGME)와 메틸 아세테이트(MA)가 도입되어 프로필렌 글리콜 메틸 에테르 아세테이트(PGMEA)와 메탄올을 제조하는 반응증류기 및 상기 반응증류기로부터 도입된 미반응 메틸 아세테이트(MA)와 메탄올을 가압 또는 감압 조건 하에서 분리하는 증류탑을 포함하고, 상기 반응증류기로부터 프로필렌 글리콜 메틸 에테르 아세테이트(PGMEA)를 생성 및 분리시키고, 압력 스윙 증류(Pressure Swing Distillation)를 이용하여 미반응 메틸 아세테이트(MA)와 메탄올을 분리시키는 제조 장치를 제공할 수 있다.
Patent KR-102420764-B1 (KR)
Title: An eco-friendly tire rubber composition for winter
Inventor: KIM DONG WOOK
IPC: C08K5/053
Filed: 2021-03-09
Granted: 2022-07-15
Abstract: The present invention relates to an eco-friendly tire rubber composition for winter which comprises: 100 phr of synthetic rubber; greater than 0 and less than 15 phr of glass bubbles; and modified vegetable oil including oleic triglycerides and methyl esters, wherein the total amount of the oleic triglyceride and methyl ester is 10 to 40 phr and the glass bubbles have a static strength of 2000 to 8000 psi and a density of 0.2 to 0.5 cc. According to the present invention, fuel efficiency and low-temperature snow performance can be improved by applying the modified vegetable oil to the rubber composition, and ice performance can be improved by implementing a spike effect by breaking the glass bubbles while driving by further applying the glass bubbles.
Patent KR-102537381-B1 (KR)
IPC: G06F17/10
Filed: 2021-04-01
Granted: 2023-05-30
Abstract: 본 발명에 따른 보행경로예측장치에는, 보행자가 출발지로부터 목적지로 향하는 경로 상의 경유지를 학습하는 경유지 학습부; 및 상기 출발지와 상기 목적지를 잇는 경로를 수정하는 수정벡터를 학습하는 수정경로학습부가 포함된다.
Patent KR-102506884-B1 (KR)
IPC: A63B22/00
Filed: 2021-04-05
Granted: 2023-03-06
Abstract: 본 발명은 의자나 쇼파 등에 편안하게 앉은 상태에서 발을 받쳐주거나 탄성 복원작용에 의해 발목운동을 행할 수 있도록 구성한 발 받침대 겸용 발목운동기구에 관한 것이다. 
본 발명은 지면에 수평으로 놓여지는 받침 프레임 및 이 받침 프레임 상에서 높낮이를 포함하여 경사진 상태로 회동 조작이 가능하도록 장착되는 발판으로 구성되며, 상기 받침 프레임의 양 단부에는 지지바가 수직으로 세워져 설치됨과 동시에 이 지지바의 일측으로 다단의 결속홈들이 형성되어 있고, 상기 발판의 양 단부에는 지지바의 결속홈에 선택적으로 끼워져 조립되도록 돌출봉을 갖는 브라켓이 장착되어 있는 것이다. 
이에 따라, 받침 프레임 상에 장착된 발판을 수평상태로 유지하거나 혹은 소정 경사각을 갖도록 한 상태에서 발을 올려 자세를 편안히 유지할 수 있기 때문에 장시간 의자에 앉아 있는 사용자에게 안정감을 줄 수 있는 것이며, 발판이 축을 중심으로 회동하여 탄력있게 복원하도록 구성함에 따라 의자에 앉은 상태에서 손쉽게 발목운동을 행할 수 있게 된다.
Patent KR-102610988-B1 (KR)
IPC: C08F220/22
Filed: 2021-04-09
Granted: 2023-12-06
Abstract: 본 발명의 목적은 표면에너지가 낮은 불소계 고분자, 이를 포함하는 불소계 고분자 조성물, 이를 포함하는 불소계 고분자막, 및 이들의 제조방법을 제공하는데 있다.   본 발명은 아크릴레이트계 공중합체 고분자를 제공하되, 특히 반복단위의 불화탄소수를 3 내지 5개로 한정하는 것을 구성의 특징으로 하고, 이를 통하여 고분자 및 이를 통하여 제조되는 고분자막의 표면 에너지가 현저히 낮아지는 효과가 있다.   또한, 본 발명의 고분자는 유리 등에 코팅되었을 때, 광투과도를 현저하게 개선하는 효과가 있고, 기계적 강도가 우수한 효과가 있다.
Patent KR-102617858-B1 (KR)
IPC: A01K1/035
Filed: 2021-04-21
Granted: 2023-12-27
Abstract: 본 발명은 척추보호를 위한 반려동물용 기능성 쿠션에 관한 것이다.  본 발명의 실시예에 의한 반려동물용 쿠션은, 펫(pet)의 머리를 지지하는 머리 지지부;  상기 머리 지지부의 후방에 배치되어 펫의 경추를 지지하고, 전방에서 후방으로 갈수록 높이가 낮아지는 경추 지지부; 및  상기 경추 지지부의 후방에 배치되어 복장뼈(sternum)를 지지하는 복장뼈 지지부를 포함한다.
Patent KR-102543735-B1 (KR)
Title: 유전자변형 옥수수를 검정하기 위한 양성대조군 플라스미드 및 이를 이용한 유전자변형 옥수수의 검정방법
IPC: C12Q1/6895
Filed: 2021-04-26
Granted: 2023-06-16
Abstract: 본 발명은 유전자변형 옥수수를 검정하기 위한 양성대조군 플라스미드 및 이를 이용한 유전자변형 옥수수의 검정방법에 관한 것으로, 본 발명의 양성대조군 플라스미드는 기존의 PCR 방법을 바탕으로 하여 유전자변형 옥수수 검출의 효율성을 높일 수 있으므로, 시중에서 유통 중이거나 수입되는 농산물 및 식품 등에서 다양한 형태의 유전자변형 옥수수 시료를 검출하는데 소용되는 시간, 비용 및 노동력을 절감할 수 있을 것이다.
Patent KR-102410950-B1 (KR)
Inventor: KIM MI RAN
IPC: A23L7/126
Filed: 2021-04-28
Granted: 2022-06-23
Abstract: 본 발명의 일 실시예에 따른 누룽지 제조 방법에 있어서, 쌀을 세미하는 단계; 상기 세미한 쌀을 물에 불린 후 탈수하는 단계; 상기 탈수된 쌀을 증미하여 밥을 제조한 후 제조된 밥을 숙성하는 단계; 상기 숙성된 밥을 냉각하는 단계; 상기 냉각된 밥을 압착하는 단계; 상기 압착된 밥을 기설정된 크기로 절단하는 단계; 및 상기 절단된 밥을 1차 가열하여 누룽지를 제조하는 단계; 를 포함하되, 상기 1차 가열하는 단계는, 상기 압착된 밥의 상측면 및 하측면에 가해지는 가열 온도를 기준으로 복수의 굽기 단계로 구분될 수 있다.
Patent KR-102417974-B1 (KR)
Title: Method for the flour dough maturation
Inventor: HA YOUNG MAN
IPC: A21C13/00
Filed: 2021-04-29
Granted: 2022-07-07
Abstract: A purpose of the present invention relates to a method for ripening flour dough performed in a device for ripening flour dough comprising: a ripening container in which the flour dough is stored; a piston head which is mounted in the ripening container and covers the flour dough; a piston bar which is connected to the piston head; and a fixing cover which covers an upper end of the ripening container. A piston hole is provided in the piston head. The piston hole is blocked by a hole cover. A cover hole is provided in the fixing cover to insert the piston bar. The method for ripening flour dough performed in the device for ripening flour dough comprises: placing the flour dough in the ripening container; mounting the piston head to which the piston bar is combined in the ripening container to be placed on the flour dough; pushing the piston head to a direction in which the flour dough is present; blocking the piston hole with the hole cover after pushing and placing the piston head; covering the ripening container with the fixing cover to insert the piston bar into the cover hole formed in the fixing cover; and putting a plurality of devices for ripening flour dough in a chamber for controlling a temperature and pressure.
Patent KR-102370779-B1 (KR)
Title: Device for displaying fire hydrant of road tunnel
Inventor: LEE JAE HOON
IPC: G09F19/22
Filed: 2021-04-30
Granted: 2022-03-04
Abstract: According to one embodiment of the present invention, provided is a fire hydrant indicator in a road tunnel, which includes: a plurality of fire hydrants installed at regular intervals in the road tunnel; a display unit installed on an inner wall of a tunnel to display a holographic image; and a sensor unit for detecting whether an emergency has occurred in the tunnel; and a control unit which checks an emergency situation occurrence point, detects a first fire hydrant located closest to a rear of a vehicle movement direction from the emergency situation occurrence point, and controls a holographic image guiding the location of the first fire hydrant to be displayed on an inner wall of the tunnel. Therefore, it is possible to guide a location of the fire hydrant so that the location of the fire hydrant can be quickly found in response to the occurrence of an emergency.
Patent KR-102567427-B1 (KR)
Title: 엘리베이팅 방식의 스틱형 화장품 용기
IPC: A45D40/06
Filed: 2021-05-07
Granted: 2023-08-17
Abstract: 본 발명에 따른 엘리베이팅 방식의 스틱형 화장품 용기는, 기 설정된 길이를 가지도록 형성되며, 내주면에 나선홈이 가공된 제1수용공간을 가지는 외부 하우징, 상기 외부 하우징의 하부에 회전 가능하게 구비되는 조작부재, 상기 제1수용공간 내에 수용된 상태로 상기 조작부재와 연결되어 상기 조작부재의 회전과 함께 연동하여 회전 가능하게 형성되며, 내부에 제2수용공간이 형성되고, 상기 제2수용공간의 측부에는 상기 외부 하우징의 길이 방향을 따라 길게 형성된 통과홀이 형성된 내부 하우징 및 상부에 스틱형 화장품이 안착되며, 상기 제2수용공간 내에 구비되는 높이가변부와, 상기 높이가변부로부터 외측으로 연장됨에 따라 상기 통과홀을 통과하여 상기 나선홈에 삽입되는 연장돌기부를 포함하는 엘리베이팅부재를 포함하여, 사용자가 상기 조작부재를 상기 외부 하우징에 대해 상대 회전시킬 경우, 상기 내부 하우징의 회전에 따라 상기 연장돌기부가 상기 나선홈을 따라 이동하여 상기 엘리베이팅부재의 높이가 가변된다.
Patent KR-102309270-B1 (KR)
Inventor: PAEK SEONG HYUN
IPC: A61G5/12
Filed: 2021-05-14
Granted: 2021-10-07
Abstract: The present invention relates to a wheelchair having a seat frame capable of being turned around. In accordance with the wheelchair of the present invention, a first seat bracket (64) and a second seat bracket (65) are mounted at one side of a lower frame of the wheelchair to be spaced apart from each other and a third seat bracket (66) and a fourth seat bracket (67) are mounted at the other side of the lower frame to be spaced apart from each other. In addition, two seat frames (11) are arranged, wherein ring portions (21) and snatch locks (23) in mounts (20) formed respectively in the lower parts of the seat frames (11) correspond respectively to the first seat bracket (64), the second seat bracket (65), the third seat bracket (66), and the fourth seat bracket (67) to be mounted or detached, thereby allowing a user to arbitrarily choose a direction of the seat frame (11). In accordance with the present invention, a user can arbitrarily choose a traveling direction of the wheelchair by considering his/her own preference, conditions of a road surface and the like.
Patent KR-102325303-B1 (KR)
Title: Cylindrical cylinder grinding jig
IPC: B24B41/06
Filed: 2021-05-17
Granted: 2021-11-10
Abstract: The present invention relates to a cylindrical cylinder grinding jig. According to the present invention, a cylindrical cylinder (10) through which upper and lower surfaces, processing targets, are penetrated is polished using a polishing jig (100). In addition, the polishing jig (100) comprises: a cover (20) in which a hole (21) is formed in the center installed on the cylinder (10); a vertical screw rod (30) installed in the center of the cylinder (10); and a holding unit (40) fixedly installed under the vertical screw rod (30). According to the present invention, the grinding jig is combined with the cylinder, and when the cylinder is machined by a grinding machine, there is no vibration of the cylinder. In addition, a cylinder's circle is precisely positioned, thereby improving grinding quality.
Patent KR-102437848-B1 (KR)
Inventor: KIM YONGHWAN
IPC: H01Q1/38
Filed: 2021-05-28
Granted: 2022-08-30
Abstract: A millimeter wave band patch array antenna is disclosed, which comprises: a first printed circuit board (P1) including an antenna top layer (110) on which a plurality of antenna patterns are formed, a first dielectric layer (120) located under the antenna top layer, and an antenna ground layer (130) located under the first dielectric layer and having a plurality of ground patterns formed at positions corresponding to the antenna patterns; a second printed circuit board (P2) including an antenna bottom layer (140) on which a plurality of feeding patterns are formed, a second dielectric layer (150) located under the antenna bottom layer, and a feeding line ground layer (170) located under the second dielectric layer; and an antenna feeding via (160) formed to pass through the first dielectric layer (120) and electrically connecting the antenna top layer (110), the antenna ground layer (130), and the antenna bottom layer (140) to each other. According to the present invention, the millimeter wave band patch array antenna can solve the difficulty of securing a frequency range to achieve the desired antenna gain, especially in a millimeter wave frequency band, because of a narrow usable frequency range in a conventional patch array antenna.
Patent KR-102292411-B1 (KR)
Inventor: LEE HYUNG OK
IPC: C01B3/14
Filed: 2021-05-31
Granted: 2021-08-24
Abstract: The present invention relates to a system for producing high-purity hydrogen through water gas conversion reaction during a process for converting petroleum gas into syngas. Particularly, the system for producing high-purity hydrogen includes: a feed gas supplying unit (10) configured to supply syngas produced in a gasification process of petroleum cokes; a water supplying unit (20) configured to supply feed water; a steam generator (100) configured to produce overheated steam stably by using the feed water supplied from the water supplying unit (20); a high-temperature reactor (210) configured to generate a first gas including hydrogen under a first temperature condition by using the steam generated in the steam generator (100) and the feed gas supplied from the feed gas supplying unit (10) and to discharge the first gas; a low-temperature reactor (220) configured to generate a second gas including high-concentration H_2 under a second temperature condition by using the intermediate product discharged from the high-temperature reactor (210) and the steam generated from the steam generator (100); and a hydrogen separator (400) configured to separate hydrogen in the second gas, wherein the steam generator (100) includes a multi-stage steam generating unit to generate overheated steam stably.
Patent KR-102466784-B1 (KR)
Title: turbofan for wind power generators
Inventor: PARK SEONG JUN
IPC: F03D3/00
Filed: 2021-06-01
Granted: 2022-11-11
Abstract: The present invention relates to a turbofan for a wind power generator, which comprises: a turbo rotating wing which is rotated by wind power around a rotary shaft installed at the upper portion of a tower; a square-shaped turbo fixing wing which protects the turbo fixing wing in a state of surrounding the turbo rotating wing; and a plurality of wind guiding plates which are installed in the circumferential direction of the turbo fixing wing. The turbo fixing wing comprises: a first frame which is installed at the upper portion of the turbo rotating wing, and which connects a plurality of crosspiece members on a flat surface to form eight triangular protruding units on the circumference; a second frame which is installed at the lower portion of the turbo rotating wing, and which connects a plurality of crosspiece members on a flat surface to form eight triangular protruding units on the circumference; and a connecting frame which connects the first frame to the second frame. The wind guiding plate is characterized by being installed in a state of covering a connecting frame mutually connecting one side of each triangular protruding unit constituting the first frame, one side of each triangular protruding unit constituting the second frame, and one side of the first frame and the second frame. Therefore, even when powerful wind power such as a typhoon is generated, the wind guiding plate can be fundamentally prevented from being separated from a turbo fixing wing and the outer shape of a wind pressure guide may be fundamentally prevented from being deformed.
Patent KR-102396456-B1 (KR)
Title: Folding type incline structure
Inventor: LEE MYUNG CHUL
IPC: E04F11/00
Filed: 2021-06-02
Granted: 2022-05-12
Abstract: The present invention relates to a foldable ramp, wherein swift installation and dismantlement can be performed by a single worker on the scene and folding storage is enabled to minimize a storage space. To achieve the purpose, the present invention comprises: a plurality of aluminum plates (10) arranged at regular intervals to form a footboard; a handrail frame (20) having a structure supporting both sides of the aluminum plate (10), two thereof being connected by a rotation shaft (30) to be able to rotate; a handle (40) configured on one side of the handrail frame (20); and a moving wheel (50) configured on the other side of the handrail frame (20).
Patent KR-102453506-B1 (KR)
Inventor: JUNG MUN SUNG
IPC: A01N65/06
Filed: 2021-06-11
Granted: 2022-10-18
Abstract: The present invention provides a silk-wallpaper for indoor interior, capable of realizing excellent fragrant and antibacterial performance by containing a fragrant-antibacterial layer formed by coating and curing a fragrant-antibacterial composition, which contains a composite extract, a composite inorganic substance, fragrance capsules, binders, silicone-based dispersants and organic solvents on one side of the backing layer.
Patent KR-102403261-B1 (KR)
Inventor: SO BYEONG SUN
IPC: G06Q10/06
Filed: 2021-06-14
Granted: 2022-05-30
Abstract: A sorting storage automation system for general food distribution warehouses is disclosed. The sorting storage automation system for general food distribution warehouses according to an embodiment of the present invention includes: a vertical product storage unit equipped with a plurality of vertical conveyor belts mounted in a vertical direction spaced apart by a certain height in a product storage unit in which a storage space capable of storing products having various weights and sizes is formed; a product storage holding unit for arranging and fixing a plurality of vertical product storage units spaced apart at regular intervals along the lengthwise direction of a drop zone; and the drop zone disposed adjacent to the product storage holding unit, extending by a predetermined length along an output conveyor belt, and accommodating products discharged from the product storage unit into a picking box; an outgoing conveyor belt that mounts a picking box on the top and changes the location of the picked up box to an outgoing position; a picking box position change unit disposed adjacent to the outgoing conveyor belt, wherein the position of a picking box moved while being placed on the outgoing conveyor belt is changed to the drop zone by a control signal from the central control unit, or a picking box located in the drop zone is placed onto the outgoing conveyor belt; an inventory detection unit that is mounted in the vertical product storage unit and detects the quantity of products stored in the product storage unit, and transmits the detected data to the central control unit; and a central control unit for receiving data for outgoing, and comparing the data obtained from the inventory detection unit to perform a product inventory replenishment process according to the excess or deficiency of products.
Patent KR-102326340-B1 (KR)
Title: Road Power Generation Device using the Load of Passing Vehicle
IPC: F03G7/08
Filed: 2021-06-16
Granted: 2021-11-15
Abstract: The present invention relates to a road power generation device using a load of a passing vehicle, wherein power can be generated stably to apply power to a road sign board consistently even if the number of passing vehicles is small. To achieve the purpose, the road power generation device using a load of a passing vehicle according to the present invention comprises: a main body; a plurality of compressing units; a flow path; an expandable tube; a power generator; and a storage battery. The expandable tube includes: an expansion part with a predetermined size for introducing fluid to expand to a predetermined size and restoring the shape thereof by an elastic force; an inlet placed at one end of the expansion part to supply the fluid into the expansion part; and an outlet placed at the other end of the expansion part to discharge the fluid to the outside by the contractile force of the expansion part restoring the shape thereof. The outlet is formed with a diameter smaller than the diameter of the inlet to make the flow of fluid discharged through the outlet smaller than the flow of fluid introduced through the inlet, thereby relatively extending the time of discharging the fluid through the outlet, and extending the time of the turbine of the power generator being rotated by fluid.
Patent KR-102437226-B1 (KR)
Inventor: PARK SEUNG WOK
IPC: B01D29/50
Filed: 2021-06-18
Granted: 2022-08-30
Abstract: The present invention provides a filtration device for water treatment, wherein through reverse discharge from a filter tank, foreign substances are collected on a bottom of a filter means and then fall naturally to be discharged. More specifically, the filtration device of the present invention comprises: a cylindrical filtration tank having a top configured to be selectively opened and closed by a cover, an inlet formed on one side of a lower part to introduce water requiring purification into the inside, and an outlet formed on the other side of the upper part to discharge water that has flowed into the inside through the inlet to the outside; a filter means installed between the inlet and the outlet in the filter tank to purify the inflowing water; a high-pressure pump installed on a drain pipe connected to the inlet to allow water to flow into the inlet by pumping and at the same time pass through the filter means to help discharge the water to the outlet; a discharge port installed on the lower surface of the filtration tank to be selectively opened and closed so that foreign matter filtered out through the filter means is dropped and discharged; and a vortex means installed on the inlet side to generate a vortex in the inflowing water to make the water pass through the filtering means, wherein the filter means includes a sponge filter, a sediment filter, a chlorine removal ball, and an activated carbon fiber filter sequentially stacked and installed.