Patents by Inventor Edward Parker

Edward Parker 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).

  • Bypass control system to maintain a constant air supply pressure in a HVAC duct system
    Patent number: 4487363
    Abstract: A bypass control system and method monitors and controls the amount of air recirculated through a bypass duct from the air supply outlet supplied by a fan and motor from a single zone HVAC unit to the air intake thereof, a stepper motor driven bypass damper is located in the bypass duct having a damper blade movable between opened and closed positions and intermediate positions therebetween, and a bypass monitor is connected to the bypass damper for controlling the operation of the stepper motor of the bypass damper.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: December 11, 1984
    Assignee: Parker Electronics, Inc.
    Inventors: Jeffrey L. Parker, Edward Parker