Patents by Inventor Philip A. LaFleur

Philip A. LaFleur 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).

  • High-flow electro-hydraulic actuator
    Patent number: 10487856
    Abstract: Embodiments of the invention provide a high-reliability, cost-effective electro-hydraulic servo-valve assembly that is not susceptible to failure caused by contaminated fluid. In particular embodiments, the electro-hydraulic servo-valve assembly includes a rotary valve that may be actuated by either a direct-coupled Limited Angle Torque (LAT) motor, a geared, brushless DC motor, or some other rotary electric actuating element with an integrated driver circuit. In particular embodiments, the rotary valve element made up of an outer sleeve element and an inner spool element, with matching ports and slots, respectively.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: November 26, 2019
    Assignee: Woodward, Inc.
    Inventors: Kevin E. Greeb, Philip A. LaFleur, Jonathan P. Workman, John J. Been
  • HIGH-FLOW ELECTRO-HYDRAULIC ACTUATOR
    Publication number: 20150323085
    Abstract: Embodiments of the invention provide a high-reliability, cost-effective electro-hydraulic servo-valve assembly that is not susceptible to failure caused by contaminated fluid. In particular embodiments, the electro-hydraulic servo-valve assembly includes a rotary valve that may be actuated by either a direct-coupled Limited Angle Torque (LAT) motor, a geared, brushless DC motor, or some other rotary electric actuating element with an integrated driver circuit. In particular embodiments, the rotary valve element made up of an outer sleeve element and an inner spool element, with matching ports and slots, respectively.
    Type: Application
    Filed: July 20, 2015
    Publication date: November 12, 2015
    Applicant: WOODWARD, INC.
    Inventors: Kevin E. Greeb, Philip A. LaFleur, Jonathan P. Workman, John J. Been
  • High-flow electro-hydraulic actuator
    Patent number: 9127694
    Abstract: Embodiments of the invention provide a high-reliability, cost-effective electro-hydraulic servo-valve assembly that is not susceptible to failure caused by contaminated fluid. In particular embodiments, the electro-hydraulic servo-valve assembly includes a rotary valve that may be actuated by either a direct-coupled Limited Angle Torque (LAT) motor, a geared, brushless DC motor, or some other rotary electric actuating element with an integrated driver circuit. In particular embodiments, the rotary valve element made up of an outer sleeve element and an inner spool element, with matching ports and slots, respectively.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: September 8, 2015
    Assignee: Woodward, Inc.
    Inventors: Kevin E. Greeb, Philip A. LaFleur, Jonathan P. Workman, John J. Been
  • High-Flow Electro-Hydraulic Actuator
    Publication number: 20130062542
    Abstract: Embodiments of the invention provide a high-reliability, cost-effective electro-hydraulic servo-valve assembly that is not susceptible to failure caused by contaminated fluid. In particular embodiments, the electro-hydraulic servo-valve assembly includes a rotary valve that may be actuated by either a direct-coupled Limited Angle Torque (LAT) motor, a geared, brushless DC motor, or some other rotary electric actuating element with an integrated driver circuit. In particular embodiments, the rotary valve element made up of an outer sleeve element and an inner spool element, with matching ports and slots, respectively.
    Type: Application
    Filed: August 29, 2012
    Publication date: March 14, 2013
    Applicant: WOODWARD, INC.
    Inventors: Kevin E. Greeb, Philip A. LaFleur, Jonathan P. Workman, John J. Been