Patents by Inventor William Terry Lester

William Terry Lester 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: 11035447
    Abstract: The invention is an improvement for the infinitely variable transmission (IVT) that utilizes oscillating torque to vary the mechanical power transmitted to a load. The invention provides the torque amplitude control system that is a compact device that adjusts the torque amplitude by controlling the phase angle between the forward and aft drive units for the IVT. The IVT is transmission which transfers the engine torque and power to the driveshaft, differential and wheels of an automobile. The torque is generated from centrifugal forces of masses in the forward and aft drive unites of the input assembly.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: June 15, 2021
    Inventor: William Terry Lester
  • Patent number: 10859137
    Abstract: A kinetic energy storage device, a pumpjack inertia capacitor (PIC), for use with an oil well pumpjack, the PIC includes a primary shaft assembly to transfer power and torque between a prime mover of the oil well pumpjack, a flywheel assembly having one or more flywheels, and an output assembly, the one or more flywheels absorb and then transfer torque to an oil well pumping unit to enable the oil well pumping unit to operate at a near constant speed; and the one or more flywheels enable the prime mover to operate at a near constant speed and a near constant power.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: December 8, 2020
    Inventor: William Terry Lester
  • Publication number: 20190186597
    Abstract: A kinetic energy storage device, a pumpjack inertia capacitor (PIC), for use with an oil well pumpjack, the PIC includes a primary shaft assembly to transfer power and torque between a prime mover of the oil well pumpjack, a flywheel assembly having one or more flywheels, and an output assembly, the one or more flywheels absorb and then transfer torque to an oil well pumping unit to enable the oil well pumping unit to operate at a near constant speed; and the one or more flywheels enable the prime mover to operate at a near constant speed and a near constant power.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 20, 2019
    Inventor: William Terry Lester
  • Patent number: 8967007
    Abstract: A transmission utilizing oscillating torque to vary the mechanical power transmitted to a load was previously patented by this inventor (U.S. Pat. Nos. 6,062,096, 6,044,718, and 7,481,127). The transmission has a rotatable input member and a rotatable mass. The transmission also has a member with an eccentric offset, with the rotatable mass rotatably coupled to the offset and being eccentric with respect to the offset. The present invention provides several improvements to the previous patents including belt or chain for the rotating masses to improve load carrying capacity and improvements to the control system using inertia control. FIG. 1 shows the fully assembled transmission.
    Type: Grant
    Filed: April 26, 2009
    Date of Patent: March 3, 2015
    Inventor: William Terry Lester
  • Patent number: 8663048
    Abstract: A transmission utilizing a translating gear and links to provide a high speed ratio in a small, efficient package. A gear set has an input and an output, with a speed ratio between the input and the output. The gear set has one gear that rotates and that provides a circular path for another gear. The rotational gear is attached to the input or the output. The other gear is engaged with the rotational gear and translations on a circular path. The second gear is connected with linkages to the other of the input or the output which resembles a crankshaft.
    Type: Grant
    Filed: April 12, 2011
    Date of Patent: March 4, 2014
    Inventor: William Terry Lester
  • Publication number: 20120264556
    Abstract: A transmission utilizing a translating gear and links to provide a high speed ratio in a small, efficient package. A gear set has an input and an output, with a speed ratio between the input and the output. The gear set has one gear that rotates and that provides a circular path for another gear. The rotational gear is attached to the input or the output. The other gear is engaged with the rotational gear and translations on a circular path. The second gear is connected with linkages to the other of the input or the output which resembles a crankshaft FIG. 1 shows the fully assembled transmission.
    Type: Application
    Filed: April 12, 2011
    Publication date: October 18, 2012
    Inventor: William Terry Lester
  • Publication number: 20120260454
    Abstract: A vacuum cleaner is improved with blower for agitating particulate matter by means of directed air pressure. The air agitation system replaces or augments the beater bar arrangement in traditional household vacuum cleaners. The blower is combined with a vacuum cleaner to increase cleaning effectiveness. The blower pushes dirt and debris into the vacuum cleaner air duct, while the vacuum produced by the vacuum cleaner pulls dirt and debris into the vacuum cleaner air duct. The combination of pushing and pulling increases the magnitude of the forces acting on the dirt and debris and enables heavier debris like sand to be easily abstracted from the floor.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Inventor: William Terry Lester
  • Publication number: 20100269605
    Abstract: A transmission utilizing oscillating torque to vary the mechanical power transmitted to a load was previously patented by this inventor (U.S. Pat. Nos. 6,062,096, 6,044,718, and 7,481,127). The transmission has a rotatable input member and a rotatable mass. The transmission also has a member with an eccentric offset, with the rotatable mass rotatably coupled to the offset and being eccentric with respect to the offset. The present invention provides several improvements to the previous patents, including belt or chain for the rotating masses to improve load-carrying capacity and improvements to the control system using inertia control. FIG. 1 shows the fully assembled transmission.
    Type: Application
    Filed: April 26, 2009
    Publication date: October 28, 2010
    Inventor: William Terry Lester