Patent 7243595 was granted and assigned to Danfoss Compressors GmbH on July, 2007 by the United States Patent and Trademark Office.
The invention concerns a piston compressor with a piston, which is connected with a crank pin of a drive shaft via a connecting rod having a longitudinal channel. It is endeavored to make the manufacturing of a piston compressor cost effective. For this purpose, it is ensured that the shaft of the connecting rod is made as a sheet metal pipe.