Patents by Inventor Andrew P. Davidson

Andrew P. Davidson 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).

  • SYSTEMS AND METHODS FOR CALIBRATING A TOOL
    Publication number: 20190310156
    Abstract: A calibration system includes a housing, a drive shaft within the housing, a load application apparatus operatively connected to the drive shaft to apply a force to the drive shaft, and a plurality of housing transducers operatively connected to the drive shaft to measure at least one of an in-line torque or a prevailing torque of the drive shaft. A method for calibrating a tool includes generating at least one of a pass or fail output from a processing unit based on whether a variance between a prevailing torque from a tool transducer and a prevailing torque from an external tool is within a predetermined variance threshold. A method for measuring prevailing torque in a tool includes determining whether a prevailing torque value is within a predetermined prevailing torque range and adjusting a shut-off threshold torque based on the prevailing torque.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Inventors: Charles R. Kleza, Andrew P. Davidson, John B. Engel, David J. Coache
  • Systems and methods for calibrating a tool
    Patent number: 10365177
    Abstract: A calibration system includes a housing, a drive shaft within the housing, a load application apparatus operatively connected to the drive shaft to apply a force to the drive shaft, and a plurality of housing transducers operatively connected to the drive shaft to measure at least one of an in-line torque or a prevailing torque of the drive shaft. A method for calibrating a tool includes generating at least one of a pass or fail output from a processing unit based on whether a variance between a prevailing torque from a tool transducer and a prevailing torque from an external tool is within a predetermined variance threshold. A method for measuring prevailing torque in a tool includes determining whether a prevailing torque value is within a predetermined prevailing torque range and adjusting a shut-off threshold torque based on the prevailing torque.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: July 30, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Charles R. Kleza, Andrew P. Davidson, John B. Engel, David J. Coache
  • SYSTEMS AND METHODS FOR CALIBRATING A TOOL
    Publication number: 20180045595
    Abstract: A calibration system includes a housing, a drive shaft within the housing, a load application apparatus operatively connected to the drive shaft to apply a force to the drive shaft, and a plurality of housing transducers operatively connected to the drive shaft to measure at least one of an in-line torque or a prevailing torque of the drive shaft. A method for calibrating a tool includes generating at least one of a pass or fail output from a processing unit based on whether a variance between a prevailing torque from a tool transducer and a prevailing torque from an external tool is within a predetermined variance threshold. A method for measuring prevailing torque in a tool includes determining whether a prevailing torque value is within a predetermined prevailing torque range and adjusting a shut-off threshold torque based on the prevailing torque.
    Type: Application
    Filed: August 7, 2017
    Publication date: February 15, 2018
    Inventors: Charles R. Kleza, Andrew P. Davidson, John B. Engel, David J. Coache