Patents by Inventor Eui Jip CHOI

Eui Jip CHOI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250042674
    Abstract: The present invention relates to a smart granular raw material conveyance system and a smart granular raw material conveyance method, wherein, when granular materials in powder form are conveyed along a conveyance line, the precisely metered granular materials are smoothly passed through a vertical pipe vertically installed in the conveyance line, and the granular materials are prevented from remaining or stagnating in the vertical pipe.
    Type: Application
    Filed: May 24, 2022
    Publication date: February 6, 2025
    Applicant: Techwin Co., Ltd.
    Inventors: Sang Hong LEE, In Seok JUNG, Eui Jip CHOI, Tai Yeon KWON, Kyung Seob LIM
  • Publication number: 20240327142
    Abstract: The present invention relates to a powder material measuring rotary valve device for quantitatively measuring and sequentially discharging a powder material in the form of powder mechanically. The powder material measuring rotary valve device comprises: a hollow measuring housing having an open entrance to which a hopper is coupled and an open exit disposed opposite to the entrance; and a distribution module which is embedded in the measuring housing to be rotatable with reference to a first virtual axis perpendicular to a virtual line connecting the entrance and the exit, and delivers a powder material introduced into the entrance to the exit, wherein a predetermined fixed quantity of the powder material introduced into the entrance according to rotation of the distribution module is separately received in the distribution module and is then discharged through the exit in a first-in and first-out method.
    Type: Application
    Filed: April 29, 2022
    Publication date: October 3, 2024
    Applicant: Techwin Co., Ltd.
    Inventors: Sang Hong LEE, In Seok JUNG, Eui Jip CHOI, Tai Yeon KWON, Kyung Seob LIM
  • Publication number: 20240092592
    Abstract: The present invention relates to a particle transfer system and a particle transfer method which allow preciously-weighed particles to smoothly pass through a vertically-provided vertical pipe of a transfer line when powder-type particles are transferred along the transfer line, and which prevent the particles from remaining or stagnating in the vertical pipe.
    Type: Application
    Filed: November 30, 2021
    Publication date: March 21, 2024
    Inventors: Sang Hong LEE, In Seok JUNG, Eui Jip CHOI, Tai Yeon KWON, Kyung Seob LIM
  • Publication number: 20240001413
    Abstract: Disclosed is a pipe pigging system for cleaning a pig and controlling a speed of the pig, the pipe pigging system including a pig configured to clean an inside of a pipe for raw material supply while moving in the pipe, a first station connected to a raw material supply side that is one end of the pipe and configured to launch the pig and receive the returned pig, a second station connected to a raw material reception side that is the other end of the pipe and configured to receive the pig launched from the first station and launch the pig toward the first station, a first compressed air supply unit and a second compressed air supply unit configured supply compressed air to the first station and the second station, respectively, to move the pig, a first pig cleaning unit and a second pig cleaning unit connected to the first station and the second station, respectively, to clean the pig contaminated after cleaning the pipe, and a control unit configured to control a pigging operation of the pig launched and re
    Type: Application
    Filed: October 19, 2019
    Publication date: January 4, 2024
    Inventors: Boong Ik JUNG, Jung Sik KIM, Kwang Su SONG, Min Yong KIM, Eui Jip CHOI