Patents by Inventor W. David McClafferty

W. David McClafferty 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).

  • System for cooling multiple logic molecules
    Patent number: 6923014
    Abstract: An exemplary embodiment is a cooling system for cooling multiple logic modules. The cooling system includes a condenser, a first electrically controlled expansion valve coupled to the condenser and a first evaporator coupled to the first electrically controlled expansion valve. A second electrically controlled expansion valve is coupled to the condenser and a second evaporator coupled to the second electrically controlled expansion valve. A controller provides control signals to the first electrically controlled expansion valve and the second electrically controlled expansion valve to control operation of the first electrically controlled expansion valve and the second electrically controlled expansion valve. A compressor is coupled to the first evaporator, the second evaporator and the condenser.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: August 2, 2005
    Assignee: International Business Machines Corporation
    Inventors: Gary F. Goth, Daniel J. Kearney, Robert P. Makowicki, W. David McClafferty, Donald W. Porter