Patents by Inventor Ernest J. Zajaczkowski

Ernest J. Zajaczkowski 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).

  • Air control system for a burner
    Patent number: 4903684
    Abstract: An air control assembly for a fuel burner having a combustion chamber and a nozzle includes a control device which controls the amount of air that flows into the burner and an assembly dependent on fuel pressure which actuates the control device. A fuel inlet path is provided for communicating fuel to the nozzle and a fuel return path is provided for communicating excess fuel away from the nozzle. The assembly dependent on fuel pressure includes a piston and rod device adapted for reciprocation in a piston chamber. A nozzle block is provided in which the piston chamber is defined and the nozzle is supported.
    Type: Grant
    Filed: April 25, 1989
    Date of Patent: February 27, 1990
    Assignee: Hunter Manufacturing Co.
    Inventors: Thomas J. Gruber, Dale G. Putnat, Ernest J. Zajaczkowski
  • Air control system for a burner
    Patent number: 4850853
    Abstract: An air control assembly for a fuel burner having a combustion chamber and a nozzle includes a control device which controls the amount of air that flows into the burner and an assembly dependent on fuel pressure which actuates the control device. A fuel inlet path is provided for communicating fuel to the nozzle and a fuel return path is provided for communicating excess fuel away from the nozzle. The assembly dependent on fuel pressure includes a piston and rod device adapted for reciprocation in a piston chamber. A nozzle block is provided in which the piston chamber is defined and the nozzle is supported.
    Type: Grant
    Filed: May 10, 1988
    Date of Patent: July 25, 1989
    Assignee: Hunter Manufacturing Company
    Inventors: Thomas J. Gruber, Dale G. Putnat, Ernest J. Zajaczkowski