BIOFUEL COARSE FILTER Russian patent published in 2013 - IPC F02M37/22 F02M31/125 

FIELD: engines and pumps.

SUBSTANCE: biofuel coarse filter for diesel engines includes a housing having the base connected to external wall by means of spokes, in which inlet and outlet channels having an articulated shape are located. A cartridge filter element is installed on the housing top under the cap. A bowl is located from below, above the bottom of which and under the inlet channel there installed is a biofuel flow swirler consisting of a lower plate part with grooves tangentially located on its convex side and made in the form of a funnel of upper part, which is connected to the housing base. A separator is installed above the swirler and under spokes. The spoke, in which a channel is located, is located below the spoke, and an electric heating element is installed above it under the filter element.

EFFECT: creation of a reliable biofuel coarse filter for diesel engines and effective removal of water and foreign matters from biofuel.

5 cl, 3 dwg