Patents by Inventor Eric P Cavender

Eric P Cavender 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).

  • Scroll machine having counterweights with changeable cavity
    Patent number: 7934914
    Abstract: A balancing system for different compressors utilizes a counterweight having a common exterior configuration. The mass of the counterweight is optimized for each compressor by changing the size of a recess located in the counterweight. In one embodiment, the recess is an arcuately shaped recess; and in another embodiment, the recess is a plurality of holes.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: May 3, 2011
    Assignee: Emerson Climate Technologies, Inc.
    Inventors: Keith J Reinhart, James A Schaefer, Eric P Cavender
  • Scroll machine having counterweights with changeable cavity
    Patent number: 7390179
    Abstract: A balancing system for different compressors utilizes a counterweight having a common exterior configuration. The mass of the counterweight is optimized for each compressor by changing the size of a recess located in the counterweight. In one embodiment, the recess is an arcuately shaped recess; and in another embodiment, the recess is a plurality of holes.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: June 24, 2008
    Assignee: Emerson Climate Technologies, Inc.
    Inventors: Keith J Reinhart, James A Schaefer, Eric P Cavender