Patents by Inventor Ervin Jack Sweet

Ervin Jack Sweet 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).

  • Ignition apparatus using electrostatic nozzle and catalytic igniter
    Patent number: 5695328
    Abstract: Apparatus and methods for igniting fuel include an electrostatic fuel nozzle that produces an atomized fuel spray; and a catalytic igniter for igniting the atomized fuel spray.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: December 9, 1997
    Assignee: Simmonds Precision Engine Systems & Precision Combustion
    Inventors: Dennis Michael DeFreitas, Ervin Jack Sweet
  • Combustion liner swirler
    Patent number: 3975141
    Abstract: In the use of combustion apparatus with hot gas turbines it is desirable to e able to efficiently burn fuel at widely ranging rates (pounds per hour) in accordance with varying demands on the turbine. The present invention proposes a combustor wherein stable combustion is achieved over a wide range of fuel flows. Combustion air is introduced as a circumferential swirl around the sprayed fuel to promote a high tangential velocity and low core velocity.
    Type: Grant
    Filed: June 25, 1974
    Date of Patent: August 17, 1976
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Ervin Jack Sweet