Gas separation – Specific media material – Ceramic or sintered
Patent
1985-11-21
1986-12-30
Hart, Charles
Gas separation
Specific media material
Ceramic or sintered
55DIG30, 156 89, 264 63, 428116, B01D 3920
Patent
active
046326839
ABSTRACT:
An exhaust gas purifying filter having a multiplicity of inward being open at the one axial end and blocked at the other axial end, a multiplicity of outward passages parallel to the axis of the filter, the outward passages being open at one axial end and blocked at the other axial end, and having porous partition walls placed between the inward passages and the outward passages and separating the inward passages and the outward passages from one another, which is characterized in that the surface of the partition wall exposed to at least the inward passage has superficial pores communicating with internal pores in the partition wall, the superficial pores being composed of small pores having a diameter of 5 to 40 .mu.m and large pores having a diameter of 40 to 100 .mu.m, the number of the small pores being 5 to 40 times that of said large pores and production of the same.
REFERENCES:
patent: 4253992 (1981-03-01), Soejima et al.
patent: 4264346 (1981-04-01), Mann et al.
patent: 4276071 (1981-06-01), Ourland et al.
patent: 4364761 (1982-12-01), Berg et al.
patent: 4417908 (1983-11-01), Pitcher
patent: 4464185 (1984-08-01), Tomita et al.
patent: 4568402 (1986-02-01), Ogawa et al.
Fukutani Masanori
Ito Kazuyuki
Ito Keiji
Miwa Naoto
Hart Charles
Nippondenso Co. Ltd.
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