Patents by Inventor Andrew Richard KENNEDY

Andrew Richard KENNEDY 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).

  • Method of forming a bonded assembly
    Patent number: 9352412
    Abstract: A method of forming a bonded assembly (10). The method comprises: providing at least first and second parts (12, 14) of an assembly (10) to be bonded; assembling the first and second parts (12, 14) in a required relative position to define a bond interface region therebetween; sealing part way along an edge (18) of the bond interface region using laser beam welding to define a cavity between the first and second parts (12, 14); in a vacuum environment, sealing the remainder of the edge (20) of the bond interface region using electron beam welding to form a fluid tight seal around the cavity; and applying heat and pressure to an external surface of the cavity to diffusion bond the first and second parts (12, 14) together.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: May 31, 2016
    Assignee: ROLLS-ROYCE plc
    Inventors: John Harold Boswell, Daniel Clark, Charles Richard Carpenter, Andrew Richard Kennedy
  • METHOD OF FORMING A BONDED ASSEMBLY
    Publication number: 20140220377
    Abstract: A method of forming a bonded assembly (10). The method comprises: providing at least first and second parts (12, 14) of an assembly (10) to be bonded; assembling the first and second parts (12, 14) in a required relative position to define a bond interface region therebetween; sealing part way along an edge (18) of the bond interface region using laser beam welding to define a cavity between the first and second parts (12, 14); in a vacuum environment, sealing the remainder of the edge (20) of the bond interface region using electron beam welding to form a fluid tight seal around the cavity; and applying heat and pressure to an external surface of the cavity to diffusion bond the first and second parts (12, 14) together.
    Type: Application
    Filed: January 16, 2014
    Publication date: August 7, 2014
    Applicant: ROLLS-ROYCE PLC
    Inventors: John Harold BOSWELL, Daniel CLARK, Charles Richard CARPENTER, Andrew Richard KENNEDY