FILTER ELEMENT WITH UNDULATING SEAL Russian patent published in 2018 - IPC F02M37/22 B01D29/21 

Abstract RU 2659906 C2

FIELD: internal combustion engines.

SUBSTANCE: invention can be used in fuel supply systems for internal combustion engines (ICE). Filter element having a vertical tube assembly with an element of vertical tube 44 that extends upward from base 42 having projections 62 and recessed 64 portions and a filter element assembly including a ring of filter medium 72 is provided, first end cap 80, second end cap 90 and a support rod disposed in the central cavity of the filter media ring. Filter element also has an annular elastic sealing device 150 with a collar formed on the inner surface of sealing device 150 which wave-wise flexes axially backwards and forwards to align with undulating upper surface 60 of base 42.

EFFECT: wave-like bead provides a liquid-tight seal while limiting the relative rotation of the filter element and the base.

31 cl, 9 dwg

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RU 2 659 906 C2

Authors

Jensen Russell D.

Dates

2018-07-04Published

2014-10-08Filed