Patents by Inventor Richard S. Livermore

Richard S. Livermore 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: 5277546
    Abstract: The system comprises a tank containing water and potatoes entrained therein. A food pump transports the mixture through a relatively long accelerator conduit of tapering cross-section. Some of the water from the output of this conduit is bypassed in accordance with the setting of a valve. A second conduit also has a tapering cross-section to align the potatoes. A water-operated turbine carries a disc-like cutter which is arranged in close proximity to the output of the second conduit. The cutter cuts the potato into helical lengths. Slitter blades on the cutter further cut the potato into helical strips. The turbine has a rotor which, in turn, carries a flywheel portion, the two parts being integral. Bearings press-fit on the rotor are journalled onto upstream and downstream stators in the turbine. Lubricating water is delivered to the bearing surfaces between the rotor and the stators.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: January 11, 1994
    Assignee: McCain Foods Limited
    Inventors: Max Frey, Richard S. Livermore, John M. Bowie
  • Patent number: 5179881
    Abstract: The system comprises a tank containing water and potatoes entrained therein. A food pump transports the mixture through a relatively long accelerator conduit of tapering cross section. Some of the water from the output of this conduit is bypassed in accordance with the setting of a valve. A second conduit also has a tapering cross-section to align the potatoes. A water-operated turbine carries a disc-like cutter which is arranged in close proximity to the output of the second conduit. The cutter cuts the potato into helical lengths. Slitter blades on the cutter further cut the potato into helical strips. The turbine has a rotor which, in turn, carries a flywheel portion, the two parts being integral. Bearings press-fit on the rotor are journalled onto upstream and downstream stators in the turbine. Lubricating water is delivered to the bearing surfaces between the rotor and the stators.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: January 19, 1993
    Assignee: McCain Foods Limited
    Inventors: Max Frey, Richard S. Livermore, John M. Bowie
  • Patent number: 4590829
    Abstract: A food slicing method and apparatus includes blades mounted on a shaft for rotation therewith, the blades successively converging and diverging to slice the food pieces as the shaft rotates. An inlet flume conveys the food pieces to and through the rotating blades. A flighted conveyor within the flume submerges the food pieces at the flume inlet and releases them at the bottom of the flume to float upward, oriented according to their buoyancy before entering the blades. In one embodiment, the blades are mounted on a curved shaft which rotates about a longitudinal axis of symmetry to cause the blades to converge on the inward side of the shaft and diverge on the outward side. The blades engage a synchronously counterrotating drum to slice the food pieces as they enter on the inward side of the shaft. As the blades diverge, the majority of the slices fall free of the blades.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: May 27, 1986
    Assignee: Amfac Foods Monterey, Inc.
    Inventors: Arthur R. Davidson, Richard S. Livermore
  • Patent number: 4542821
    Abstract: An endless conveyor particularly suited for use in food processing includes a plurality of conveyor flights flexibly connected at their sides by endless chains. Each flight has a longitudinally curved supporting portion upon which a supported product may be blanched, dried, or otherwise treated. The conveyor is supported at its ends by sprockets cooperable with the chains. The radius of curvature of the supporting portion approximates the pitch of the sprockets such that the conveyor flights, as they travel radially about the axis of rotation of the sprockets, form a continuous cylinder-like surface.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: September 24, 1985
    Assignee: Lamb-Weston, Inc.
    Inventor: Richard S. Livermore