Patents by Inventor Dennis R. Dysarz

Dennis R. Dysarz 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).

  • Patent number: 4217314
    Abstract: During engine operation at low induction passage pressure, a carburetor main metering rod and idle bleed valve are reciprocated between a rich position and a lean position in response to energization of a solenoid according to a pulse width modulated duty cycle, while during operation at high induction passage pressure, the metering rod and bleed valve are moved to the rich position by a piston/spring combination.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: August 12, 1980
    Assignee: General Motors Corporation
    Inventor: Dennis R. Dysarz