Patents Examined by William L. Tapolcai
  • Thermostatically controlled trap
    Patent number: 4471906
    Abstract: A thermostatically controlled trap provided that one end of a valve pushrod comes in direct contact with a ball valve when the valve pushrod is subjected to axial motion by the expansion of a thermosensitive member caused by a change in the temperature of a fluid flowing through the trap.
    Type: Grant
    Filed: September 5, 1980
    Date of Patent: September 18, 1984
    Assignee: Miyawaki Steam Trap Mfg. Co., Ltd.
    Inventors: Keiichi Noguchi, Masahumi Minami, Mutsushi Muramoto