Patents by Inventor Tommy J. Harder

Tommy J. Harder 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).

  • Coolant system for hybrid power system
    Patent number: 7343884
    Abstract: A cooling system for a hybrid power system that includes an engine such as a generator engine, and a power converter such as an inverter, includes an engine cooling circuit, a power converter cooling circuit and a common coolant tank operatively coupled to both the engine and the power converter via the engine cooling circuit and the power converter cooling circuit respectively.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: March 18, 2008
    Assignee: Cummins Power Generation Inc.
    Inventors: Allen B. Carney, Tommy J. Harder, David A. Overland, Bradley D. Padget
  • COOLANT SYSTEM FOR HYBRID POWER SYSTEM
    Publication number: 20080060590
    Abstract: A cooling system for a hybrid power system that includes an engine such as a generator engine, and a power converter such as an inverter, includes an engine cooling circuit, a power converter cooling circuit and a common coolant tank operatively coupled to both the engine and the power converter via the engine cooling circuit and the power converter cooling circuit respectively.
    Type: Application
    Filed: September 13, 2006
    Publication date: March 13, 2008
    Applicant: Cummins Power Generation Inc.
    Inventors: Allen B. Carney, Tommy J. Harder, David A. Overland, Bradley D. Padget