AIR CLEANER FOR INTERNAL COMBUSTION ENGINE Russian patent published in 1997 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: air cleaner for internal combustion engine has cylindrical housing with covers, dust trap, inlet and outlet branch pipes, positive, negative and additional corona forming electrodes connected with DC source insulated from housing, and ring filtering element which has precleaning filtering element of current carrying fine fiber material connected with negative terminal of DC source. Moreover, it has intake pipe connected with inlet branch pipe. Corona forming electrode is placed in intake pipe and insulated from housing. Inlet branch pipe is arranged tangentially relative to housing and is furnished with swirler made of dielectric material. Additional filter is installed at inlet of intake pipe. Dust trap is located on outer surface of housing is placed in communication with housing space through holes and is provided with special dust remover. Ring filtering element is insulated from housing and is connected with terminal of DC source of the same polarity as that of terminal of corona forming electrode. Negative electrode is made in form of perforated ring placed between filtering element and precleaning filtering element. EFFECT: improved cleaning of air. 2 dwg