Gas separation – Two or more separators – Plies or layers of different characteristics or orientation
Patent
1999-03-19
1999-11-30
Jenkins, Daniel J.
Gas separation
Two or more separators
Plies or layers of different characteristics or orientation
55523, 55524, 55DIG30, 419 2, 419 6, B22F 702, B01D 5336
Patent
active
059935022
ABSTRACT:
A sintered porous metal filter permitting passage of gases therethrough comprises a filter portion having specified pores for trapping dust as separated from the gas to be treated, and a support portion for supporting the filter portion, the support portion having pores greater than the pores of the filter portion to diminish the pressure loss of the gas to be treated, the filter portion comprising metal particles of small diameter, the support portion comprising metal particles having a greater diameter than the filter portion forming metal particles, the filter portion and the support portion being formed to provide an outer side and an inner side integral therewith by sintering the two kinds of metal particles by hot isostatic pressing. A catalyst reaction portion for rendering noxious components of the gas to be treated harmless is formed in the filter portion or the support portion, or as an independent catalyst layer.
REFERENCES:
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patent: 4746341 (1988-05-01), Komoda
patent: 4810273 (1989-03-01), Komoda
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patent: 5486220 (1996-01-01), Honda et al.
Funakoshi Jun
Ishida Takashige
Kimura Tetsuo
Kosaka Akira
Motoki Ryutaro
Jenkins Daniel J.
Kubota Corporation
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