BIOFUEL CLEANING FILTER Russian patent published in 2015 - IPC F02M37/22 B01D17/32 B01D36/04 

FIELD: engines and pumps.

SUBSTANCE: invention proposes a biofuel cleaning filter containing housing 1 having a base connected to an external wall with spokes 4 and 5, in which inlet and outlet channels having the shape of a knee are located. Cartridge-type filter element 9 is installed on housing 1 from above under cap 10, and bowl 15 is located from below, at the bottom of which accumulated water level sensor 26 is installed. Above the bottom of fuel 15 there installed is a biofuel flow swirler consisting of upper part 20 made in the form of a funnel connected to the housing base and plate-like lower part 17 with tangentially located grooves. Parts 17 and 20 are connected to each other with tubular fasteners forming channels for biofuel passage from under the swirler to the cartridge-type filter element. At the bottom of bowl 15 there is valve 27 installed for automatic draining of accumulated water, which is electromagnetically controlled from sensor 26. An umbrella made in the form of a net having the shape of a semi-toroid is installed above sensor 26.

EFFECT: reduction of labour costs for filter maintenance.

2 cl, 3 dwg