Patents by Inventor Terry Dean Nelson

Terry Dean Nelson 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).

  • Compact variable pitch fan
    Patent number: 8197214
    Abstract: A compact variable pitch fan has a hydraulic pitch change mechanism. A pitch change piston is constrained to follow reciprocating motion under hydraulic control within a peripheral hub from which fan blades extend outward. An additional feature is the use of separated guiding and seal surfaces. A still further feature is the use of a pitch sensor, particularly on the hydraulic line leading to the variable pitch fan.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: June 12, 2012
    Assignee: Flexxaire Manufacturing Inc.
    Inventors: Jonathan Edwards McCallum, George Antoszko, Kevin John Dewar, Andrew Louis Norell, Cameron Dean Westbrook, Terry Dean Nelson, Brendan Anthony Romano
  • COMPACT VARIABLE PITCH FAN
    Publication number: 20090196747
    Abstract: A compact variable pitch fan has a hydraulic pitch change mechanism. A pitch change piston is constrained to follow reciprocating motion under hydraulic control within a peripheral hub from which fan blades extend outward. An additional feature is the use of separated guiding and seal surfaces. A still further feature is the use of a pitch sensor, particularly on the hydraulic line leading to the variable pitch fan.
    Type: Application
    Filed: April 29, 2008
    Publication date: August 6, 2009
    Applicant: FLEXXAIRE MANUFACTURING INC.
    Inventors: Jonathan Edwards McCallum, George Antoszko, Kevin John Dewar, Andrew Louis Norell, Cameron Dean Westbrook, Terry Dean Nelson, Brendan Anthony Romano