Patents by Inventor Ulrich FOCHLER

Ulrich FOCHLER 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).

  • Sound insulation in a refrigerant circuit
    Patent number: 8434586
    Abstract: A muffler device for a refrigerant circuit with refrigerant containing refrigerant oil comprises a housing in which an upper muffler chamber and a lower muffler chamber are arranged, whereby the upper muffler chamber has an upper feed opening that can be connected to the refrigerant circuit, and the lower muffler chamber has a lower discharge opening that can be connected to the refrigerant circuit, and whereby a muffler partition is arranged between the upper and lower muffler chambers, said partition having at least one muffling pipe that connects the upper muffler chamber to the lower muffler chamber, and an upper section of said pipe with an upper opening projects into the upper muffler chamber, whereby, at a filling level that exceeds the height of the upper opening, refrigerant oil that has accumulated on the top of the muffler partition can be fed with refrigerant vapor to the lower muffler chamber.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: May 7, 2013
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Thomas Pawelski, Ulrich Fochler
  • SOUND INSULATION IN A REFRIGERANT CIRCUIT
    Publication number: 20130020146
    Abstract: A muffler device for a refrigerant circuit with refrigerant containing refrigerant oil comprises a housing in which an upper muffler chamber and a lower muffler chamber are arranged, whereby the upper muffler chamber has an upper feed opening that can be connected to the refrigerant circuit, and the lower muffler chamber has a lower discharge opening that can be connected to the refrigerant circuit, and whereby a muffler partition is arranged between the upper and lower muffler chambers, said partition having at least one muffling pipe that connects the upper muffler chamber to the lower muffler chamber, and an upper section of said pipe with an upper opening projects into the upper muffler chamber, whereby, at a filling level that exceeds the height of the upper opening, refrigerant oil that has accumulated on the top of the muffler partition can be fed with refrigerant vapor to the lower muffler chamber.
    Type: Application
    Filed: July 20, 2012
    Publication date: January 24, 2013
    Inventors: Thomas PAWELSKI, Ulrich FOCHLER