HOSE FILTER Russian patent published in 1995 - IPC

FIELD: purifying air. SUBSTANCE: hose filter has a detachable housing wherein mutually spring- loaded bases are received. Coaxial hoses made of filtering cloth are tensioned between the bases. The filter has a flange positioned at the top base of the casing and shell coupled with the fixed base and mounted coaxially to the casing flange. The diameter of the movable base and flange of the shell exceed the internal diameter of the casing flange. The shell is made up as a bellows. The outlet branch pipe is positioned in the movable base. A tie actuator is mounted on the shell. EFFECT: improved filtering. 3 cl, 4 dwg