Patents by Inventor Sang Yeoul MA

Sang Yeoul MA 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).

  • Throttle valve for preventing sudden unintended acceleration
    Patent number: 9322338
    Abstract: A throttle valve for preventing a sudden unintended acceleration, the throttle valve regulating an amount of air supplied to an engine mounted on a vehicle and including a valve main body, a flow path formed in the valve main body and having an inlet through which the air flows in and an outlet connected to the engine, and a flow rate regulating unit regulating an amount of the air in the flow path by opening or closing the flow path, in which, when a rapid pressure drop occurs at the outlet side connected to the engine, the flow rate regulating unit is pressed by a force generated due to a difference in pressure between the inlet and the outlet so as to close the flow path without use of an additional drive source.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: April 26, 2016
    Inventors: Sang Yeoul Ma, Myong Im Yu
  • THROTTLE VALVE FOR PREVENTING SUDDEN UNINTENDED ACCELERATION
    Publication number: 20150300267
    Abstract: A throttle valve for preventing a sudden unintended acceleration, the throttle valve regulating an amount of air supplied to an engine mounted on a vehicle and including a valve main body, a flow path formed in the valve main body and having an inlet through which the air flows in and an outlet connected to the engine, and a flow rate regulating unit regulating an amount of the air in the flow path by opening or closing the flow path, in which, when a rapid pressure drop occurs at the outlet side connected to the engine, the flow rate regulating unit is pressed by a force generated due to a difference in pressure between the inlet and the outlet so as to close the flow path without use of an additional drive source.
    Type: Application
    Filed: January 23, 2013
    Publication date: October 22, 2015
    Inventors: Sang Yeoul MA, Myong Im YU