Patents by Inventor Stephen Burke Murray

Stephen Burke Murray 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).

  • Patent number: 8037831
    Abstract: A method for effecting physicochemical transformations and detonation properties in a material using super-compressed detonation includes: providing an insensitive energetic material to be compressed; super-compressing the material by exposure to at least one of a normally or obliquely oriented cylindrical imploding shock wave, generated from a first detonation; effecting transformations from the super-compression in the material including increasing at least material density, structural transformations and electronic energy gap transitions relative to a material unexposed to the super-compression; exposing the super-compressed material to a second detonation; and effecting transformations from the second detonation in the material including increasing at least detonation pressure, velocity and energy density relative to a material unexposed to the super-compression and second detonation.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: October 18, 2011
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence
    Inventors: Fan Zhang, Stephen Burke Murray, Andrew J. Higgins
  • Publication number: 20110061553
    Abstract: A method for effecting physicochemical transformations and detonation properties in a material using super-compressed detonation includes: providing an insensitive energetic material to be compressed; super-compressing the material by exposure to at least one of a normally or obliquely oriented cylindrical imploding shock wave, generated from a first detonation; effecting transformations from the super-compression in the material including increasing at least material density, structural transformations and electronic energy gap transitions relative to a material unexposed to the super-compression; exposing the super-compressed material to a second detonation; and effecting transformations from the second detonation in the material including increasing at least detonation pressure, velocity and energy density relative to a material unexposed to the super-compression and second detonation.
    Type: Application
    Filed: November 23, 2010
    Publication date: March 17, 2011
    Applicant: Her Majesty the Queen in Right of Canada, as represented by The Minister of National Defence
    Inventors: Fan Zhang, Stephen Burke Murray, Andrew J. Higgins
  • Patent number: 7861655
    Abstract: A method and apparatus are provided for detonation of a super-compressed insensitive energetic material by cylindrical implosion followed by an axial detonation to a detonation velocity several times that of TNT and a detonation pressure in excess of ten times that of TNT. The device provides a conical metal flyer shell within which is disposed a cylindrical anvil surrounded by explosive. The anvil retains an insensitive energetic material to be compressed and detonated. A first detonation of explosive by impact of the flyer shell generates a reverberating oblique shock wave system for sample compression. Axial detonation of the compressed sample through any length of a sample is achieved following the principal of matching the axial velocity and compression time of the oblique shock wave system to the detonation velocity and induction delay time of the compressed sample. The method and apparatus are also applicable to enhancing the effect of anti-armor and anti-hard-target munitions.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: January 4, 2011
    Assignee: National Research Council of Canada
    Inventors: Fan Zhang, Stephen Burke Murray, Andrew J. Higgins
  • Publication number: 20090255432
    Abstract: A method and apparatus are provided for detonation of a super-compressed insensitive energetic material by cylindrical implosion followed by an axial detonation to a detonation velocity several times that of TNT and a detonation pressure in excess of ten times that of TNT. The device provides a conical metal flyer shell within which is disposed a cylindrical anvil surrounded by explosive. The anvil retains an insensitive energetic material to be compressed and detonated. A first detonation of explosive by impact of the flyer shell generates a reverberating oblique shock wave system for sample compression. Axial detonation of the compressed sample through any length of a sample is achieved following the principal of matching the axial velocity and compression time of the oblique shock wave system to the detonation velocity and induction delay time of the compressed sample. The method and apparatus are also applicable to enhancing the effect of anti-armour and anti-hard-target munitions.
    Type: Application
    Filed: February 25, 2009
    Publication date: October 15, 2009
    Inventors: Fan Zhang, Stephen Burke Murray, Andrew J. Higgins
  • Patent number: 7513198
    Abstract: A method and apparatus are provided for detonation of a super-compressed insensitive energetic material by cylindrical implosion followed by an axial detonation to a detonation velocity several times that of TNT and a detonation pressure in excess of ten times that of TNT. The device provides a conical metal flyer shell within which is disposed a cylindrical anvil surrounded by explosive. The anvil retains an insensitive energetic material to be compressed and detonated. A first detonation of explosive by impact of the flyer shell generates a reverberating oblique shock wave system for sample compression. Axial detonation of the compressed sample through any length of a sample is achieved following the principal of matching the axial velocity and compression time of the oblique shock wave system to the detonation velocity and induction delay time of the compressed sample. The method and apparatus are also applicable to enhancing the effect of anti-armour and anti-hard-target munitions.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: April 7, 2009
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence
    Inventors: Fan Zhang, Stephen Burke Murray, Andrew Higgins