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Robert Bradt

Thomas J Smith

Gilbert Castro

The present invention combines the gasoline vapor recovery efficiency advantages of a flirt &ldquo;Partial Seal System&rdquo;, as disclosed, for example, in U.S. Pat. No. 4,680,004 to flirt, with the customer convenience advantages of gasoline vapor recovery systems employing &ldquo;bootless&rdquo; nozzles. The use of bootless nozzles in combination with strict environmental vapor emissions compliance is made possible because of specific system advantages, which include the use of a burner designed to operate at two different flow rates, a coaxial processor stack which permits second and third stage combustion of excess gasoline vapor generated by the system before it is released to atmosphere, and a remote sensor which continually monitors system vacuum pressure to ensure that a sufficient vacuum is maintained at all times. A major advantage of the present system is that the processor unit is adaptable for installation into existing gasoline vapor recovery systems and into other systems, including other manufacturer's systems.

Method and apparatus for controlling gasoline vapor emissions

The present invention combines the gasoline vapor recovery efficiency advantages of a Hirt &ldquo;Partial Seal System&rdquo;, as disclosed, for example, in U.S. Pat. No. 4,680,004 to Hirt, with the customer convenience advantages of gasoline vapor recovery systems employing &ldquo;bootless&rdquo; nozzles. The use of bootless nozzles in combination with strict environmental vapor emissions compliance is made possible because of specific system advantages, which include the use of a burner designed to operate at two different flow rates, a coaxial processor stack which permits second and third stage combustion of excess gasoline vapor generated by the system before it is released to atmosphere, and a remote sensor which continually monitors system vacuum pressure to ensure that a sufficient vacuum is maintained at all times. A major advantage of the present system is that the processor unit is adaptable for installation into existing gasoline vapor recovery systems and into other systems, including other manufacturer's systems.

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Capistrano Beach, CA, United States of America

Robert Bradt