Patent of automobile exhaust purification device

China Patent Name: Jet Exhaust Purifier Patent Applicant: Xin Weifang Patent Application Date: 2000/06/09 International Patent ClassificationNo.: F0 1N 3/04 Patent Abstract First sentence: An automobile jet exhaust purifier includes a volute body and an impeller installed in the volute, and a plurality of small exhaust pipes are installed at the bottom of the volute.