An air filter, especially for cleaning combustion air for internal combustion engines. The air filter includes a substantially cylindrical housing having a raw inlet and a pure air outlet. A pure air outlet is fitted substantially concentrically on the face of a cylindrical housing. The raw air inlet...http://www.google.es/patents/US5893937?utm_source=gb-gplus-sharePatente US5893937 - Air filter especially for cleaning combustion air for internal combustion engines
Air filter especially for cleaning combustion air for internal combustion ...
