Patents by Inventor Joseph Allen Hackenberg

Joseph Allen Hackenberg 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).

  • Variability control of variable displacement compressors
    Patent number: 6564695
    Abstract: Improvements for variable capacity compressors are provided utilizing a multitude of springs in varying arrangements between the plate and rotor within the compressors. The advantages may include increased spring constant, increased variability control, and increased packaging efficiency. Methods of constructing variable capacity compressors utilizing a multitude of springs in varying arrangements between the plate and rotor are also provided.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: May 20, 2003
    Assignee: Visteon Global Technologies, Inc.
    Inventors: David H. Herder, Mirza-Qadir Mahmood Baig, Joseph Allen Hackenberg
  • Variability control of variable displacement compressors
    Publication number: 20020178906
    Abstract: Improvements for variable capacity compressors are provided utilizing a multitude of springs in varying arrangements between the plate and rotor within the compressors. The advantages may include increased spring constant, increased variability control, and increased packaging efficiency. Methods of constructing variable capacity compressors utilizing a multitude of springs in varying arrangements between the plate and rotor are also provided.
    Type: Application
    Filed: June 4, 2001
    Publication date: December 5, 2002
    Applicant: Visteon Global Technologies, Inc.
    Inventors: David H. Herder, Mirza-Qadir Mahmood Baig, Joseph Allen Hackenberg