Patents by Inventor David W. Lumley

David W. Lumley 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).

  • Publication number: 20200324618
    Abstract: A noise attenuation structure of a housing of a heating, ventilating, and air conditioning system of a vehicle includes a double wall structure. The double wall structure is configured to extend outwardly from an outer surface of the housing to a noise path of the heating, ventilating, and air conditioning system. The double wall structure has a first wall and a second wall spaced from the first wall.
    Type: Application
    Filed: April 11, 2019
    Publication date: October 15, 2020
    Inventors: David W. Lumley, Alfonso Pineda Castro
  • Patent number: 7575511
    Abstract: A temperature door for air-handling system of a heating, ventilating, and air conditioning system for a vehicle is disclosed, wherein a cost and a weight of the system are minimized and a temperature stratification, a flow efficiency, and a NVH/noise of the system are optimized.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: August 18, 2009
    Assignee: Visteon Global Technologies, Inc.
    Inventors: Eric K. Haupt, David W. Lumley, Brent M. Mitrzyk
  • Publication number: 20080108293
    Abstract: A temperature door for air-handling system of a heating, ventilating, and air conditioning system for a vehicle is disclosed, wherein a cost and a weight of the system are minimized and a temperature stratification, a flow efficiency, and a NVH/noise of the system are optimized.
    Type: Application
    Filed: November 7, 2006
    Publication date: May 8, 2008
    Inventors: Eric K. Haupt, David W. Lumley, Brent M. Mitrzyk