Patent ID: 9180388
Filing Date: 2015-11-10
Classification: B01D

Abstract:
1. A filter device for fluids, comprising: a filter housing that can be opened and closed and that has an unfiltered space and a filtered space inside said filter housing; a carrier formed by a basket insertable into and removable from said filter housing; a plurality of filter cartridges releasably secured to said basket, each said filter cartridge having a plurality of identical filter elements, each said filter element having a filter medium separating an unfiltered side from a filtered side thereof and surrounding an inner filter cavity, said filter elements of each said filter cartridge being coaxially arranged relative to one another; and first and second end caps enclosing opposite ends of each said filter medium, each said end cap having an opening providing access to the respective inner cavity, adjacent ones of said end caps of said filter elements of each said filter cartridge engaging and being sealed to one another, said first and second end caps being complementary, each said first end cap having a funnel at said opening thereof, each said funnel expanding conically in an axially outward direction about said opening thereof, each said second end cap having an axially projecting annular body surrounding said opening thereof and forming an outer conical surface engaging said funnel of an adjacent one of said first end caps.