Filter device
AssigneeHydac Filtertechnik GmbH
InventorsAlexander Nenno, Andre Michael Schneider, Klaus Morgens, Marco Tassone
Life of this patent
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Abstract
The invention relates to a filter device at least consisting of two coaxially arranged filter elements (12, 14) which delimit a cavity (16) between them, characterised in that the inner side (18) of the outer filter element (14), which faces the cavity (16), has at least in some parts a separating arrangement (20) for gas bubbles such as air bubbles, and the cavity (16) opens at the head end into at least one discharge opening (22) for gas bubbles coming in.
Claims11
A filter device comprising at least of two filter elements arranged coaxially with each other which define a cavity between them;
- wherein
- the inside of an outer filter element of the two filter elements, which is directed towards the cavity, has at least in some part a separating device for gas bubbles;
- the cavity opens at a head end into at least one discharge opening for such gas bubbles;
- the two filter elements are accommodated at the foot and head end in at least a foot-end end cap and a head-end end cap, respectively,
- the at least one discharge opening is formed of a passage in the head-end end cap, which connects the cavity between the filter elements to the environment;
- the head-end end cap with its discharge opening is overlapped with a predefinable gap by a cover cap;
- and wherein
- an annular gap is formed in the region of the overlap from the cover cap to the head-end end cap, via which annular gap the respective fluid originating from a discharge opening is guided to an outer circumference side of the outer filter element, which outer filter element is formed hollow and cylindrical.
Dependencies are inferred from the claim text.