Patents by Inventor Robert Hoppler

Robert Hoppler 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).

  • Patent number: 6604372
    Abstract: An air-conditioning system with an air-conditioning compressor, an electric motor and a refrigerant circuit, in particular for motor vehicles, the electric motor being controllable by an electronic control device and an expansion member arranged in the refrigerant circuit, a further expansion member is arranged between the high-pressure side of the expansion member and the suction side of the air-conditioning compressor in the refrigerant circuit, and the electronic control device is connected thermally conductively to the low-pressure side of the further expansion member. The further expansion member is controllable as a function of the temperature of the electronic control device.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: August 12, 2003
    Assignee: Siemens Aktiengesellschaft
    Inventors: Jochen Baumert, Jochen Engel, Klaus-Juergen Bluhm, Robert Höppler
  • Publication number: 20030041607
    Abstract: An air-conditioning system with an air-conditioning compressor, an electric motor and a refrigerant circuit, in particular for motor vehicles, the electric motor being controllable by an electronic control device and an expansion member arranged in the refrigerant circuit, a further expansion member is arranged between the high-pressure side of the expansion member and the suction side of the air-conditioning compressor in the refrigerant circuit, and the electronic control device is connected thermally conductively to the low-pressure side of the further expansion member. The further expansion member is controllable as a function of the temperature of the electronic control device.
    Type: Application
    Filed: June 5, 2002
    Publication date: March 6, 2003
    Inventors: Jochen Baumert, Jochen Engel, Klaus-Juergen Bluhm, Robert Hoppler