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US 2025/0375722 A1Published application
Filter device
AssigneeAisan Kogyo Kabushiki Kaisha
InventorsTakuma UNO, Takashi KANIE, Masaru KAMEI, Shinya HIGASHI
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Abstract
A filter device (1) has at least one filter (30, 40) that includes three or more filter members stacked in a layered state. At least one of the inner filter members (32, 42) disposed inside the filter (30, 40) is a release filter member (33, 43) having at least one release portion that allows a foreign material to pass through without trapping the foreign material so as to avoid clogging of the filter device (1).
Claims5
A filter device, comprising:
- at least one filter composed of three or more filter members stacked in a layered configuration,
- wherein at least one of the filter members disposed inside the filter functions as a release filter member having one or more release portions that allow a foreign material to pass through without trapping the foreign material.
Dependencies are inferred from the claim text.