Diesel particulate filter apparatus

Details Diesel particulate filter apparatus Diesel particulate filter apparatus

1995-09-14

1997-03-18

Spitzer, Robert

Gas separation

Specific media material

Ceramic or sintered

55524, 55527, 55DIG10, 55DIG30, B01D 4600

Patent

active

056118325

ABSTRACT:
According to the present invention, a filter body for collecting particulates is constituted of a fiber laminate material produced by laminating a fiber material comprising a core material in the form of a fiber, and a covering layer of a material different from that of the core material formed around the outer periphery of the core material by coating. The core material of the fiber material is selected from among inorganic fibers such as glass or ceramic fibers containing alumina, and heat-resistant alloy fibers each made of a heat-resistant alloy selected from among Ti-Al alloys, Fe alloys containing at least one of Mo, Cr and Ni, and Fe-Cr-Al-Y alloys. The covering layer is made of a material selected from among silicon carbide ceramics respectively derived from polytitanocarbosilane, polysilazane and polycarbosilane, thermoplastic materials, silicon carbide ceramics such as Si-C, Si-Ti-C-O and Si-C-O or silicon nitride ceramics such as Si-N-C-O, alumina ceramics, and zirconia ceramics.

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Database WPI, Section Ch, Week 8741, Derwent Publications Ltd., London GB; Class A10, AN 87-288528 & JP-A-62 201 939 (Nippon Oil), 05 Sep. 1987 * abstract*.

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