With Rotary Valve Patents (Class 73/265)
Crank operated (Class 73/266)
  • Positive displacement flow meter method and apparatus
    Patent number: 6923055
    Abstract: A flow meter comprising a rotor assembly that is comprised of two rotors having axis of rotation offset from collinear where the two rotors define operating chambers that changing volume with respects to rotation and allow fluid to pass from an inlet port to an outlet port when the number of rotation is indicated the volumetric flow therethrough.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: August 2, 2005
    Assignee: Outland Technologies (USA) Inc.
    Inventor: James B. Klassen