B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/94
B01D 27/06 (2006.01) B01D 25/24 (2006.01) B01D 25/26 (2006.01) B01D 46/12 (2006.01) B01D 46/52 (2006.01)
Patent
CA 1169362
ABSTRACT A fluid filtering device in various embodiments is disclosed. The filter includes, in one embodiment, alternating layers (34, 36) of flat and corrugated filter media which are rolled together and sealed at alternate ends by sealant (38, 42). Further embodiments disclose filter packs (112, 212, 312) of alternating layers of flat and corrugated filter media. In one embodiment, corrugations of successive layers are aligned in parallel. In an alternate embodiment corru- gations are aligned orthogonally. Unfiltered fluids enter tubular passages (44) for example, and must exit by adjacent passages either above, below or beside the flute of entry to exit the filter. Filtering occurs when the fluid crosses a sidewall of filter media.
414181
Donaldson Company Inc.
Sim & Mcburney
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