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    • 1. 发明授权
    • Diesel particulate filter apparatus
    • 柴油微粒过滤装置
    • US5611832A
    • 1997-03-18
    • US528357
    • 1995-09-14
    • Shogo SuzukiHideo KawamuraAkira Higashino
    • Shogo SuzukiHideo KawamuraAkira Higashino
    • B01D39/20F01N3/022F02B3/06B01D46/00
    • F01N3/0226B01D39/2044B01D39/2086F01N2330/12F01N2330/18F01N2370/22F02B3/06Y02T10/20Y10S55/10Y10S55/30
    • 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.
    • 根据本发明,用于收集微粒的过滤体由纤维层压材料构成,所述纤维层压材料通过层叠纤维材料制成,所述纤维材料包括纤维形式的纤芯材料和与芯材料不同的材料的覆盖层 通过涂覆形成在芯材的外周周围。 纤维材料的芯材选自无机纤维,例如含有氧化铝的玻璃或陶瓷纤维,以及各自由耐热合金制成的耐热合金纤维,其选自Ti-Al合金,含有至少一种 的Mo,Cr和Ni以及Fe-Cr-Al-Y合金。 覆盖层由分别衍生自聚钛硅烷,聚硅氮烷和聚碳硅烷的碳化硅陶瓷,热塑性材料,Si-C,Si-Ti-CO,Si-CO等碳化硅陶瓷或氮化硅陶瓷等选自碳化硅陶瓷的材料制成 Si-NCO,氧化铝陶瓷和氧化锆陶瓷。