Patents by Inventor Sheldon K Plaxton

Sheldon K Plaxton 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).

  • Noise attenuation for internal combustion engine
    Patent number: 7712447
    Abstract: A component, such as an intake manifold or a throttle body, has an air passage. A structure may extend into the air passage so that the structure intersects a part of a total air-flow passing through the air passage. The structure may have a first through-hole and a second through-hole. Each of the through-holes define a cross-sectional area that may tapers in a direction of air-flow that is passing through the air passage so that a cross-sectional area of an entrance of the respective through-hole is greater than a cross-sectional area of an exit of the respective through-hole. The structure helps attenuate acoustic noise that may occur in the component due to the air-flow.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: May 11, 2010
    Assignee: GM Global Technology Operations, Inc.
    Inventor: Sheldon K Plaxton
  • Noise attenuation for internal combustion engine
    Patent number: 7707986
    Abstract: A component, such as an intake manifold or a throttle body, has an air passage. A structure may extend into the air passage so that the structure intersects a part of a total air-flow passing through the air passage. The structure may have a first through-hole and a second through-hole. Each of the through-holes define a cross-sectional area that may tapers in a direction of air-flow that is passing through the air passage so that a cross-sectional area of an entrance of the respective through-hole is greater than a cross-sectional area of an exit of the respective through-hole. The structure helps attenuate acoustic noise that may occur in the component due to the air-flow.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: May 4, 2010
    Assignee: GM Global Technology Operations, Inc.
    Inventor: Sheldon K Plaxton
  • NOISE ATTENUATION FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20100089357
    Abstract: A component, such as an intake manifold or a throttle body, has an air passage. A structure may extend into the air passage so that the structure intersects a part of a total air-flow passing through the air passage. The structure may have a first through-hole and a second through-hole. Each of the through-holes define a cross-sectional area that may taper in a direction of air-flow that is passing through the air passage so that a cross-sectional area of an entrance of the respective through-hole is greater than a cross-sectional area of an exit of the respective through-hole. The structure helps attenuate acoustic noise that may occur in the component due to the air-flow.
    Type: Application
    Filed: February 4, 2009
    Publication date: April 15, 2010
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventor: Sheldon K. Plaxton
  • NOISE ATTENUATION FOR INTERNAL COMBUSTION ENGINE
    Publication number: 20100089356
    Abstract: A component, such as an intake manifold or a throttle body, has an air passage. A structure may extend into the air passage so that the structure intersects a part of a total air-flow passing through the air passage. The structure may have a first through-hole and a second through-hole. Each of the through-holes define a cross-sectional area that may tapers in a direction of air-flow that is passing through the air passage so that a cross-sectional area of an entrance of the respective through-hole is greater than a cross-sectional area of an exit of the respective through-hole. The structure helps attenuate acoustic noise that may occur in the component due to the air-flow.
    Type: Application
    Filed: October 15, 2008
    Publication date: April 15, 2010
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventor: Sheldon K. Plaxton