Patents Represented by Attorney Roger R. May

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  • Automotive engine exhaust aftertreatment system including hydrocarbon adsorber with internal engine purge flow control
    Patent number: 5375414
    Abstract: An automotive internal combustion engine is equipped with a hydrocarbon adsorber for the purpose of controlling the emission of unburned hydrocarbons from the vehicle's tailpipe. Regeneration of the adsorber is achieved by an electronic engine controller operating a purge air system for drawing desorbed hydrocarbon material into the engine's intake.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: December 27, 1994
    Assignee: Ford Motor Company
    Inventors: Andrew A. Adamczyk, Jr., Ronald G. Hurley, James D. Pakko, Lisa A. Hansen, Peter M. Lyon