Patents by Inventor Andreas Liermann

Andreas Liermann 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).

  • Air conditioning system and method for regulating the heating capacity thereof
    Publication number: 20060278385
    Abstract: The invention relates to an air conditioning system, especially a motor vehicle air conditioning system, that can be operated as a heat pump. Said system comprises a compressor (2), a heating body (3), a throttle element (4), and an evaporator (6), the compressor (2) having a variable stroke. The throttle element (4) is especially embodied as a controllable expansion valve (5) that contributes to the regulation of the heating capacity during the operation of the heat pump.
    Type: Application
    Filed: August 4, 2004
    Publication date: December 14, 2006
    Inventors: Volker Kirschner, Andreas Liermann