Patents by Inventor David William Bertrand

David William Bertrand 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).

  • Universal attenuation device for air-conditioning circuit
    Patent number: 9243543
    Abstract: An attenuation device for a vehicle is provided, including a housing having a chamber formed therein. The housing is coupled to and in fluid communication with an air-conditioning circuit of the vehicle. A dampening member is disposed within the chamber of the housing. The dampening member includes a partition plate having at least one pipe disposed therein. The dampening member is configured to attenuate acoustic energy produced by a fluid of the air-conditioning circuit.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: January 26, 2016
    Assignee: Hanon Systems
    Inventors: David William Bertrand, Kastriot Shaska, Yafei Zhou
  • UNIVERSAL ATTENUATION DEVICE FOR AIR-CONDITIONING CIRCUIT
    Publication number: 20140158461
    Abstract: An attenuation device for a vehicle is provided, including a housing having a chamber formed therein. The housing is coupled to and in fluid communication with an air-conditioning circuit of the vehicle. A dampening member is disposed within the chamber of the housing. The dampening member includes a partition plate having at least one pipe disposed therein. The dampening member is configured to attenuate acoustic energy produced by a fluid of the air-conditioning circuit.
    Type: Application
    Filed: December 7, 2012
    Publication date: June 12, 2014
    Applicant: VISTEON GLOBAL TECHNOLOGIES, INC.
    Inventors: David William Bertrand, Kastriot Shaska, Yafei Zhou
  • Peanut fittings for CO2 air conditioning systems
    Patent number: 6834893
    Abstract: A line fitting employs blocks secured together with a stud and a nut and having gaskets or seals which militate against permeation of CO2 when subjected to high pressures and high temperatures, the seals are also resistant to decompression damage.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: December 28, 2004
    Assignee: Visteon Global Technologies, Inc.
    Inventors: Fred Georg Schroeder, Eric W. Kesler, Bruno Sima, Marion Elisabeth Lorenz, David William Bertrand
  • Peanut fittings for CO2 air conditioning systems
    Publication number: 20030080554
    Abstract: A line fitting employs blocks secured together with a stud and a nut and having gaskets or seals which militate against permeation of CO2 when subjected to high pressures and high temperatures, the seals are also resistant to decompression damage.
    Type: Application
    Filed: September 9, 2002
    Publication date: May 1, 2003
    Inventors: Fred Georg Schroeder, Eric W. Kesler, Bruno Sima, Marion Elisabeth Lorenz, David William Bertrand