Patents by Inventor Stephen R. HALLETT

Stephen R. HALLETT 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).

  • Rig
    Patent number: 10401268
    Abstract: A rig for testing mode II fatigue of a composite component. The rig includes a clamp for clamping one end of the component. A first contact arrangement is provided for contacting one side of the component and a second contact arrangement is provided for contacting an opposing side of the component, the first and second contact arrangements being spaced from the clamp. A loading fork is provided for applying load to the component. The loading fork includes a first and a second portion arranged such that in use, when the loading fork is loading the component in one direction the first portion contacts the first contact arrangement and the second portion is spaced from the second contact arrangement, and when the loading fork is loading the component in an opposite direction the first portion is spaced from the first contact arrangement and the second portion contacts the second contact arrangement.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: September 3, 2019
    Assignee: ROLLS-ROYCE plc
    Inventors: Rico Kuehlewind, Stephen R Hallett, Luiz Kawashita
  • RIG
    Publication number: 20170089816
    Abstract: A rig for testing mode II fatigue of a composite component. The rig includes a clamp for clamping one end of the component. A first contact arrangement is provided for contacting one side of the component and a second contact arrangement is provided for contacting an opposing side of the component, the first and second contact arrangements being spaced from the clamp. A loading fork is provided for applying load to the component. The loading fork includes a first and a second portion arranged such that in use, when the loading fork is loading the component in one direction the first portion contacts the first contact arrangement and the second portion is spaced from the second contact arrangement, and when the loading fork is loading the component in an opposite direction the first portion is spaced from the first contact arrangement and the second portion contacts the second contact arrangement.
    Type: Application
    Filed: September 6, 2016
    Publication date: March 30, 2017
    Applicant: ROLLS-ROYCE plc
    Inventors: Rico KUEHLEWIND, Stephen R. HALLETT, Luiz KAWASHITA
  • Publication number: 20170057201
    Abstract: A composite component comprises a plurality of plies and a plurality of pins extending in a direction transverse to the plies. The pins comprise a first region formed from a first material and a second region formed from a second material.
    Type: Application
    Filed: July 28, 2016
    Publication date: March 2, 2017
    Applicant: ROLLS-ROYCE plc
    Inventors: Beene M'MEMBE, James K. LANDER, Robert C. BACKHOUSE, Stephen R. HALLETT, Mehdi YASAEE, Ivana K. PARTRIDGE