Patents Assigned to Daniel Industries
  • Check valve mechanism
    Patent number: 4586534
    Abstract: A check valve mechanism providing a valve body and valve seat assembly having noncircular eccentrically located hinge pin receptacles with independently controlled X-axis and Y-axis hinge pin locating surfaces. A simple cylindrical hinge pin is supported in the receptacles and supports a check valve disc in such manner that both opening and closing movements have components of rotary and linear disc movement relative to the hinge pin and valve seat of the valve mechanism.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: May 6, 1986
    Assignee: Daniel Industries
    Inventor: Michael D. McNeely