Patents by Inventor Wayne Y. Tung

Wayne Y. Tung 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).

  • Electrical circuit means for manually adjustable apparatus and system for selectively controlling the air-fuel ratio supplied to a combustion engine
    Patent number: 4426979
    Abstract: A vehicle has a combustion engine, ground-engaging drive wheels, an induction passage for supplying motive fluid to the engine, a fuel metering system communicating generally between a source of fuel and the induction passage, a valving arrangement in the fuel metering system effective to controllably alter the rate of metered fuel flow through the fuel metering system; an oscillator electrically connected to the valving arrangement intermittently energizes the valving arrangement, and a manually controlled adjustment selectively alters the operation of the oscillator to selectively vary the respective percentages of times that the valving arrangement is energized and de-energized by the oscillator.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: January 24, 1984
    Assignee: Colt Industries Operating Corp.
    Inventor: Wayne Y. Tung