Patents by Inventor Bobby A. Shields

Bobby A. Shields 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).

  • Publication number: 20180230853
    Abstract: A method for controlling a gas turbine engine is provided. The method includes determining if a potential icing condition exists, for example, by determining whether a corrected fan speed percentage is below a predetermined fan speed threshold. If a potential icing condition exists, a fuel regulator may operate according to a first control algorithm by restricting the flow of fuel to the engine if the corrected core speed percentage of the core engine exceeds a predetermined core speed threshold. If a potential icing condition does not exist such that the fan section and core engine of the gas turbine engine are operating normally, the fuel regulator may operating according to a second control algorithm that does not include such a hard compressor speed limit.
    Type: Application
    Filed: October 25, 2016
    Publication date: August 16, 2018
    Inventors: Steven James Jastrzembowski, Michael R. Stover, Bobby Shields, Thomas Charles Swager
  • Patent number: 6814222
    Abstract: The invention is particularly useful for accumulation conveyors. An assembly located beneath its corresponding zone of item transporting rollers activates the item transporting rollers by lifting the accumulator's narrow belt to engage the underneath side of the item transporting rollers. Electric actuation rather than the traditional pneumatic actuation activates the assembly's vertical movement toward its corresponding zone of item transporting rollers. Whether activated or not, the assembly's rack journals a plurality of pressure rollers that remain contiguous with the narrow belt. Centering of the sideways movement of the narrow belt as the belt travels about the rack is associated with either a pivoting tracking roller journaled in the rack or a flanged pressure roller or rollers channel in the rack. A constant force takeup can be supplied to the belt.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: November 9, 2004
    Assignee: FKI Logistex Automation Inc.
    Inventors: Mark W. Henson, James M. Dickman, James W. Halsey, Michael O. Piazza, Bobby A. Shields
  • Publication number: 20040149546
    Abstract: The invention is particularly useful for accumulation conveyors. An assembly located beneath its corresponding zone of item transporting rollers activates the item transporting rollers by lifting the accumulator's narrow belt to engage the underneath side of the item transporting rollers. Electric actuation rather than the traditional pneumatic actuation activates the assembly's vertical movement toward its corresponding zone of item transporting rollers. Whether activated or not, the assembly's rack journals a plurality of pressure rollers that remain contiguous with the narrow belt. Centering of the sideways movement of the narrow belt as the belt travels about the rack is associated with either a pivoting tracking roller journaled in the rack or a flanged pressure roller or rollers channel in the rack. A constant force takeup can be supplied to the belt.
    Type: Application
    Filed: February 3, 2003
    Publication date: August 5, 2004
    Inventors: Mark W. Henson, James M. Dickman, James W. Halsey, Michael O. Piazza, Bobby A. Shields