Patents Represented by Attorney William E. Zielli

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  • Laser ignition methods and apparatus for combustors
    Patent number: 5367869
    Abstract: Apparatus for igniting fuel in a combustor having at least one fuel nozzle that emits an atomized fuel spray into a primary zone of the combustion chamber comprising a laser energy source for producing infrared laser energy and optic fiber means for transmitting the laser energy from the laser source into the primary zone of the combustor to ignite the fuel spray. In one embodiment the laser igniter is disposed in a main fuel nozzle of the combustor.
    Type: Grant
    Filed: June 23, 1993
    Date of Patent: November 29, 1994
    Assignee: Simmonds Precision Engine Systems
    Inventor: Dennis M. DeFreitas