Patents by Inventor Chulsu Yang

Chulsu Yang 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).

  • Patent number: 10648605
    Abstract: A water hammer prevention system using an operation state analysis algorithm to prevents water hammer. Data is measured in real time by a pressure sensor and a water level sensor are transmitted to a control unit and stored in a database. The control unit includes an air chamber which controls the operations of an air compressor and an air exhauster to prevent water hammer. The control unit performs calculations according to a water hammer algorithm, and determines the operation states of the air compressor and the air exhauster, and whether the water hammer prevention equipment is operating normally. Active operational control of the water hammer prevention equipment can be performed by applying a data analysis technique thereto, and a failure or operation error can be identified.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: May 12, 2020
    Assignee: SMTECH CO., LTD
    Inventor: Chulsu Yang
  • Publication number: 20180135790
    Abstract: A water hammer prevention system using an operation state analysis algorithm to prevents water hammer. Data is measured in real time by a pressure sensor and a water level sensor are transmitted to a control unit and stored in a database. The control unit includes an air chamber which controls the operations of an air compressor and an air exhauster to prevent water hammer. The control unit performs calculations according to a water hammer algorithm, and determines the operation states of the air compressor and the air exhauster, and whether the water hammer prevention equipment is operating normally. Active operational control of the water hammer prevention equipment can be performed by applying a data analysis technique thereto, and a failure or operation error can be identified.
    Type: Application
    Filed: December 15, 2015
    Publication date: May 17, 2018
    Inventor: CHULSU YANG
  • Patent number: 9353899
    Abstract: The present invention relates to a water hammer recognizing and energy saving water hammer prevention system and a method for controlling the same that is configured wherein in case of the selective on/off operations of a plurality of pumps in a pipe system in accordance with the change of the use environment, the pressure variation and level variation of an air chamber caused by water hammer are compared with reference values and set values, and they are divided into a normal mode and a safe mode, thereby controlling the air intake and exhaust of the air chamber and preventing energy consumption from unnecessarily occurring.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: May 31, 2016
    Assignee: SM TECH CO., LTD.
    Inventor: Chulsu Yang
  • Publication number: 20140166115
    Abstract: The present invention relates to a water hammer recognizing and energy saving water hammer prevention system and a method for controlling the same that is configured wherein in case of the selective on/off operations of a plurality of pumps in a pipe system in accordance with the change of the use environment, the pressure variation and level variation of an air chamber caused by water hammer are compared with reference values and set values, and they are divided into a normal mode and a safe mode, thereby controlling the air intake and exhaust of the air chamber and preventing energy consumption from unnecessarily occurring.
    Type: Application
    Filed: March 25, 2013
    Publication date: June 19, 2014
    Inventor: Chulsu Yang