Patents by Inventor Charles Philip Otsuni

Charles Philip Otsuni 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).

  • Stall converter for single engine sweeper
    Patent number: 6615443
    Abstract: A street sweeper for cleaning municipal streets and commercial parking lots uses a single engine with a modified torque converter on the automatic transmission. The torque converter is designed to lock up or engage higher than on a standard torque converter. This increases the horsepower and torque output of the engine for driving the sweeping apparatus without propelling the vehicle at speeds too high for the sweeping function. As engine rotational speeds increase further, the modified torque converter engages fully and drives the vehicle at desired road speeds.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: September 9, 2003
    Assignee: Mohawk Milling & Sweeping Corp.
    Inventors: Charles Philip Otsuni, John Charles Otsuni
  • Stall converter for single engine sweeper
    Publication number: 20020043420
    Abstract: A street sweeper for cleaning municipal streets and commercial parking lots uses a single engine with a modified torque converter on the automatic transmission. The torque converter is designed to lock up or engage higher than on a standard torque converter. This increases the horsepower and torque output of the engine for driving the sweeping apparatus without propelling the vehicle at speeds too high for the sweeping function. As engine rotational speeds increase further, the modified torque converter engages fully and drives the vehicle at desired road speeds.
    Type: Application
    Filed: December 28, 2001
    Publication date: April 18, 2002
    Inventors: Charles Philip Otsuni, John Charles Otsuni