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US 10,646,800 B2Granted
Filtration filter device
AssigneeMurata Manufacturing Co., Ltd.
InventorsTakashi Kondo, Masaru Banju, Junko Watanabe
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Abstract
A filtration filter device according to the present invention includes a filtration filter that filters out a filtration object contained in a fluid and a housing in which the filtration filter is disposed. The housing includes a fluid inlet passage that faces one main surface of the filtration filter and a fluid outlet passage that faces the other main surface of the filtration filter. An inner peripheral surface of at least one of the fluid inlet passage and the fluid outlet passage is undulated.
Claims7
A filtration filter device comprising:
- a filtration filter for filtering out a filtration object contained in a fluid, the filtration filter having opposed first and second main surfaces;
- and
- a housing in which the filtration filter is disposed, the housing including a fluid inlet passage that faces the first main surface of the filtration filter and a fluid outlet passage that faces the second main surface of the filtration filter, an inner peripheral surface of at least one of the fluid inlet passage and the fluid outlet passage being undulated,
- wherein at least a portion of the undulated inner peripheral surface or surfaces is in contact with the filtration filter, and
- wherein the filtration filter is planar and extends along a plane, the undulated inner peripheral surface or surfaces including ridges and troughs that are alternately arranged and extend in a direction perpendicular to the plane of the filtration filter.
2 more elements
Dependencies are inferred from the claim text.