Patents by Inventor Erika J. Boss

Erika J. Boss 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).

  • Method of controlling a vapor storage canister for a purge control system
    Patent number: 5682869
    Abstract: A method of controlling a vapor storage canister for a purge control system of an internal combustion engine is provided. The method includes the steps of determining if predetermined conditions are right for controlling a vapor storage canister and maintaining normal fuel feedback operation if the predetermined conditions are not right for controlling the vapor storage canister. The method also includes the steps of determining if the vapor storage canister is loaded if the predetermined conditions are right for controlling the vapor storage canister, maintaining normal fuel feedback operation if the vapor storage canister is not loaded and modifying a duty cycle of a purge solenoid to maximize purge if the vapor storage canister is loaded. The method further includes the steps of updating a loaded canister total purge multiplier and using the total purge multiplier to vary the amount of fuel being delivered to the internal combustion engine.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: November 4, 1997
    Assignee: Chrysler Corporation
    Inventors: Robert J. Nankee, II, Richard K. Moote, Charles B. Dupuis, Dennis A. Krozek, Shean P. Huff, Erika J. Boss, Danny K. Schuelke