公开(公告)号：US11867179B2

公开(公告)日：2024-01-09

申请号：US17257097

申请日：2019-07-03

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Yongkwon Koh ,  Jangsoon Kwon ,  Minhoon Baik ,  Jaekwang Lee

IPC: F04C23/00 ,  F04C2/22 ,  F04C18/22 ,  F01C19/10 ,  F01C1/22 ,  F02B53/00

CPC classification number: F04C23/001 ,  F01C1/22 ,  F01C19/10 ,  F04C2/22 ,  F04C18/22 ,  F02B2053/005 ,  F04C2240/20

Abstract: The fluid transfer apparatus includes a rotor housing for forming a fluid compression space having the shape of an epitrochoid surface; a rotor eccentrically rotates inside the fluid compression space by being eccentrically coupled to a rotation shaft; and a rotor housing cover covering the fluid compression space of the rotor housing and including a rotation shaft penetration hole formed at the center of the cover, and a first cover fluid channel and second cover fluid channel are symmetrically formed on the opposite sides of each other with the rotation shaft penetration hole in the middle, wherein a plurality of rotor housing covers are arranged to be spaced apart from each other, one rotor housing is arranged between every two rotor housing covers, one rotor is arranged in the fluid compression space of each rotor housing, and each rotor is arranged to face a different direction from a neighboring rotor.

公开(公告)号：US11958062B2

公开(公告)日：2024-04-16

申请号：US17215340

申请日：2021-03-29

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Bongju Kim ,  Yongkwon Koh ,  Jangsoon Kwon

IPC: B03D1/006 ,  B03D1/01 ,  B03D1/24

CPC classification number: B03D1/006 ,  B03D1/01 ,  B03D1/242 ,  B03D1/247 ,  B03D2203/02

Abstract: A multi-stage float sorting device includes a first flotator float-sorting ores mixed with water based on a difference in density, and a second flotator provided with a column extending in a top-down direction, one side of which communicates with the first flotator to receive primary concentrates, and float-sorts the primary concentrates based on a difference in density to obtain secondary concentrates. The second flotator includes a washing water jetting section provided at a top of the column to jet washing water, a gas sparger provided at a bottom of the column to jet an inert gas, and an opening and closing section located between the washing water jetting section and the gas sparger to partition an inside of the column into upper and lower regions, and form an opening for rising secondary concentrates in the column according to a pressure state of the lower region.

公开(公告)号：US11629712B2

公开(公告)日：2023-04-18

申请号：US17333201

申请日：2021-05-28

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Yongkwon Koh ,  Jangsoon Kwon ,  Kyuseok Song ,  Kijong Jang ,  Bongju Kim

IPC: F04C23/00 ,  F04C18/22 ,  F04C29/00 ,  F04C29/12

Abstract: The present disclosure describes a rotary pulsation generator having a simple structure capable of transferring fluid while implementing low noise and low vibration and having high flow of fluid and high pressure suction and discharge functions. According to the present disclosure, fluid is transferred by adjusting a width and interval of pulsation while reducing vibration caused by eccentric rotation of a rotor.

公开(公告)号：US12158149B2

公开(公告)日：2024-12-03

申请号：US17427440

申请日：2019-10-04

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Yongkwon Koh ,  Jangsoon Kwon ,  Kijong Jang

IPC: F04C2/22 ,  F01C21/10 ,  F02B53/00 ,  F04C2/344 ,  F04C11/00 ,  F04C15/00 ,  F04C18/22 ,  F04C23/00 ,  F04C25/02 ,  F04C29/00

Abstract: The present invention provides a fluid transfer apparatus comprising: a rotating shaft comprising a rotation unit extending along an axial direction and a first eccentric unit and a second eccentric unit disposed to be spaced apart from each other along the axial direction; a first rotor housing forming a first fluid compression space in the shape of an epitrochoid curved surface; a second rotor housing forming a second fluid compression space in the shape of an epitrochoid curved surface, and positioned to be spaced apart from the first rotor housing along the axial direction; a first rotor disposed in the first fluid compression space so as to delimit the first fluid compression space into multiple variable-displacement spaces, and coupled to the first eccentric unit while surrounding the first eccentric unit in the radial direction of the first eccentric unit; and a second rotor disposed in the second fluid compression space so as to delimit the second fluid compression space into multiple variable-displacement spaces, and coupled to the second eccentric unit while surrounding the second eccentric unit in the radial direction of the second eccentric unit.

公开(公告)号：US20210372403A1

公开(公告)日：2021-12-02

申请号：US17333201

申请日：2021-05-28

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Yongkwon Koh ,  Jangsoon Kwon ,  Kyuseok Song ,  Kijong Jang ,  Bongju Kim

IPC: F04C23/00 ,  F04C29/12 ,  F04C29/00 ,  F04C18/22

Abstract: The present disclosure describes a rotary pulsation generator having a simple structure capable of transferring fluid while implementing low noise and low vibration and having high flow of fluid and high pressure suction and discharge functions. According to the present disclosure, fluid is transferred by adjusting a width and interval of pulsation while reducing vibration caused by eccentric rotation of a rotor.