Patent ID: 9314720
Filing Date: 2016-04-19
CPC Classification: B01D,F02M

Claim Text:
1. A filter device for fluids, comprising: a filter housing defining a longitudinal axis, having housing connections of a fluid inlet and a fluid outlet, and having a bottom part; a filter element accommodated in said filter housing, said filter element having a filter medium through which the fluid can flow during a filtration operation and connected in fluid communication with said fluid inlet and said fluid outlet, said filter medium surrounding an inner filter cavity; an element retainer being in said filter housing and having a retaining piece located on said bottom part, said retaining piece having an open end in a direction of said filter element and an insertion chamfer on an interior thereof diverging in a direction of said open end thereof; a fluid channel leading to one of said housing connections and ending in said retaining piece; an end cap enclosing a lower end of said filter element facing said bottom part, said end cap including a passage having a fluid connection to said inner filter cavity and being releasably secured on said element retainer, said end cap having a connecting piece received in said retaining piece and secured in a support zone of said retaining piece, said connecting piece having an opening connected in fluid communication with said fluid channel to connect said fluid channel to one of said filter housing connections, said end cap having a bottom underlying said filter medium, said connecting piece extending from said bottom in a direction away from said filter medium, said connecting piece of said end cap having a closed bottom on an axial end thereof accommodated in said element retainer, said opening being located in a side wall of said connecting piece extending above said closed bottom thereof and parallel to said longitudinal axis, said opening extending perpendicular to said longitudinal axis; and a seal located between and contacting said connecting piece and said retaining piece in said support zone sealing said opening from said open end of said retaining piece.