Patent ID: 8434586

Claim:
A muffler device for a refrigerant circuit with refrigerant containing refrigerant oil, comprising: 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 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 together with refrigerant vapor to the lower muffler chamber, whereby at least one oil-bypass opening is arranged in the muffler partition and it connects the first and second muffler chambers.