Filter arrangements
AssigneeNetafim, Ltd.
InventorAMIT GILBOA
Life of this patent
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Abstract
A filter arrangement includes a cleaning mechanism for cleaning at least one screen filter of the filter arrangement. The cleaning mechanism has a flush chamber, a central hollow core that extends through the flush chamber, and suction nozzles fitted to the core. The core extends between opposing axial ends that are located outside of the flush chamber in exposure to substantially similar pressures at least during a cleaning operation of the cleaning mechanism.
Claims28
A filter arrangement comprising a cleaning mechanism for cleaning at least one screen filter of the filter arrangement, the cleaning mechanism comprising:
- a flush chamber;
- a central hollow core that extends through the flush chamber;
- and
- suction nozzles fitted to the core;
- wherein:
- the core extends between opposing axial ends that are located outside of the flush chamber;
- and
- the opposing axial ends are exposed to substantially similar pressures, at least during a cleaning operation of the cleaning mechanism.
The filter arrangement of clam 5, wherein a passage through the central hollow core is divided into two separate passageways.
A filter arrangement having at least one screen filter with an inner side, and comprising:
- a cleaning mechanism for cleaning the at least one screen filter, the cleaning mechanism comprising a central hollow core having an axis, and suction nozzles fitted to the core;
- and
- at least one helical rail formed along the inner side of the screen filter, the at least one helical rail configured to guide a cleaning operation of the cleaning mechanism through engagement between at least some of the suction nozzles and the at least one helical rail.
Dependencies are inferred from the claim text.