B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/98
B01D 46/24 (2006.01) B01D 46/52 (2006.01) F02M 35/024 (2006.01)
Patent
CA 1174184
Abstract In the air cleaner, an intake tube having an air permeable portion at one end thereof forms an inner support for the air cleaner, but which is detachable therefrom. In one embodiment, the air cleaner is a single integral unit which is disposed of after use. The unit includes a tubular filter element having an opening sized to receive the intake tube, a shell surrounding the filter element, one end cap sealing and forming a junction between the filter elements, shell and intake tube at one end, another end cap sealing and forming a junction between the filter element and shell at the other end and having an aperture through which the intake tube is in- serted, at least one air intake aperture in one of the caps. In another embodiment a centrifugal separator and a dust collector cap which may be emptied from time to time to extend the life of the air cleaner is incorporated therein. The intake tube may also have a right angle bend for side mounted filters. In another embodiment, the outer shell and seal therebetween are eliminated and air may be drawn into the filter element at all sides exposed to the environment. The intake tube may also be truncated so as not to extend the full length of the filter element and thus not providing a means for support therefore. Preferably, in that case, an inner safety screen is af- fixed to the inner periphery of the filter element.
407463
Alseth Steven M.
Sullivan Bruce M.
Donaldson Company Inc.
Gowling Lafleur Henderson Llp
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