FILTER Russian patent published in 2013 - IPC B01D35/30 

FIELD: process engineering.

SUBSTANCE: invention relates to filter and filtration element incorporated with automotive fuel feed system. Filtration element comprises lock wing, first end cover attached to lock ring, filtration element secured to first end cover and lock rib. The latter extends from lock ring and includes first part extending radially from lock ring and second part extending from first part along periphery of lock ring. Part of lock rib second part is arranged to deflect from first part of said lock rib. In fitting filtration element inside filter case first element, lock rib can interact with appropriate rib extending from filter case first or second element to form bayonet joint composite rib. Said composite rib can enter the bayonet joint slit made in mate first or second filter case element to joint filter case element together and to cover filtration element.

EFFECT: higher filtration efficiency, ease of assembly/disassembly.

18 cl, 9 dwg