Patents by Inventor Bernard R. Demouron

Bernard R. Demouron has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of accurately setting the flow rate of a variable-flow metering pump, and a metering pump employing the method
    Patent number: 4702674
    Abstract: A pump in accordance with the invention has moving equipment (32) driven by a reversible synchronous motor (42) whose windings (44, 45) are connected to a power source by means of optocoupled triacs (48, 49) which, under microprocessor control, are used to adjust the flow rate of the pump by acting on its admission period (by powering the windings in one direction) and on the pumping cycle time (by varying the period for which the pump is unpowered in each cycle).
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: October 27, 1987
    Assignee: Dosapro Milton Roy
    Inventors: Guy R. Fontaine, Max A. Malizard, Bernard R. Demouron