Patents by Inventor Dick Philip Wlech

Dick Philip Wlech 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).

  • Heat-pump type air conditioning and heating system for fuel cell vehicles
    Patent number: 6370903
    Abstract: A heat pump type heating and air conditioning system is provided. The heat pump comprises a series of heat exchange relationships between an internal refrigeration circuit and at least one external coolant circuit. In a preferred embodiment, a fuel cell coolant circuit and an electronics coolant circuit are in heat exchange relationship with the refrigeration circuit. A method of selectively heating and/or cooling air within a passenger compartment of a fuel cell vehicle is also provided.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: April 16, 2002
    Assignee: Visteon Global Technologies, Inc.
    Inventor: Dick Philip Wlech