Patents Assigned to Vici Metronics Incorporated
  • Gas flow controller
    Patent number: 5329966
    Abstract: There is disclosed a system for delivering gas at a predetermined rate of flow, including a diaphgram type flow controller, a pressure regulator for providing a constant flow of gas to the flow controller, and a microprocessor controlled stepper motor utilizing an optical encoder to adjust the rate of flow of a gas leaving the controller without having to use a gas flow measurement device to monitor the flow rate.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: July 19, 1994
    Assignee: Vici Metronics Incorporated
    Inventors: David C. Fenimore, Walter H. McHenry, James L. Blumberg