Patents Assigned to Essentech Co., Ltd
  • Ball valve apparatus having a moisture indicator
    Patent number: 7549389
    Abstract: A ball valve apparatus for a refrigeration system is described. The ball valve apparatus comprises a ball valve for controlling flow of refrigerant and a moisture indicator for showing a moisture content of the refrigerant, and the moisture indicator and the ball valve are formed as one body. Since a moisture indicator and a ball valve are formed as one body, the installation cost and the size of a refrigeration system can be reduced.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: June 23, 2009
    Assignee: Essentech Co., Ltd
    Inventors: Si-Nam Cho, Sang-Bong Lee