The present invention involves using a melt-blowing process to make a filter medium defining pores having a pore size of between 3 and 12 microns. The filter medium is made of a thermoplastic polymer and is adapted for use in an internal combustion engine ...

An automotive air filter supplies air to the vehicle occupants. The filter has a housing (5) with a plate-shaped insert (1) with two or more side-faces capped by an elastic seal (3) whose overall depth is greater than that of the inserted filter plate (2)....

An automotive air filter (1) delivers air to vehicle occupants. The filter comprises an outer housing (4) with an air inlet and an air outlet separated by a filter insert (1). The insert and housing inner wall (4a) are separated by a seal with twin sealing...