Filter element for air cleaner
AssigneeToyoda Boshoku Corporation & Denso Corporation
InventorsHiromichi Sugie, Tsuyoshi Minari, Yasunari Arai, Yukihisa Horikoh, Kouji Kume, Hirotsugu Kojima
Life of this patent
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Abstract
A filter element for an air cleaner including a filter medium which has a plurality of basic filter units and is integrally formed of a porous sintered material produced by sintering powdered synthetic resin.
Claims13
A filter element for an air cleaner, comprising a filter medium having a plurality of basic pocket shaped filter units, with each filter unit having an opening edge defining a regular polygon, a closed edge, and a plurality of filtration walls arranged therebetween, with the filtration walls defining a plurality of generally vertical edges having opposed ends, with one end of each generally vertical edge interconnected to said opening edge and the other end of each generally vertical edge converging toward and interconnecting with said closed edge, said filter units arranged into a honeycomb structure, and said filter medium being integrally formed of a porous sintered material produced by sintering powdered synthetic resin.
A filter element for an air cleaner comprising a filter medium and a frame surrounding the filter medium, wherein said filter medium has a corrugated structure comprising a plurality of basic filter units, and wherein each of said basic filter units is a channel member constituted of a wedge-shaped filtration wall and a pair of side walls, and wherein said filter medium is integrally formed of a porous sintered material produced by sintering powdered synthetic resin.
Dependencies are inferred from the claim text.