Patent 7310970 was granted and assigned to Carrier Corporation on December, 2007 by the United States Patent and Trademark Office.
An apparatus for separating an oil from a refrigerant has a housing, an inlet conduit for receiving a refrigerant/oil mixture, a separator medium, a refrigerant outlet conduit, and an oil outlet conduit. The inlet conduit has an inlet external to the housing and an outlet within the housing and provides means for limiting external sounds transmitted by the housing.