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Title:
CERAMICS FILTER
Document Type and Number:
Japanese Patent JP2012205973
Kind Code:
A
Abstract:

To provide a ceramics filter capable of keeping pressure loss low, and high in mechanical strength.

The ceramics filter 1 includes a honeycomb structure part including porous partition walls 3 each containing ceramics as a main constituent, and a plurality of cells 5, wherein the honeycomb structure part 11 includes plugged cells 11; a cross-sectional shape of the cell 5 has a quadrangle partitioned by the partition walls 3 extending in a direction X and the partition walls 3 extending in a direction Y in a cross-sectional surface of the honeycomb structure part vertical to a direction Z with which the cell 5 communicates; and a cross-sectional surface of the plugged cell part 11 includes a first strip-like region 13 traversing the cross-sectional surface of the honeycomb structure part in a strip-like form at an angle of 15-45° with respect to the direction X, and a second strip-like region 15 traversing the cross-sectional surface of the honeycomb structure part in a strip-like form while vertically intersecting the first strip-like region 13.


Inventors:
MIZUMOTO ASUKA
KAI TAKASHI
OTSUKA TAKAYASU
Application Number:
JP2011071569A
Publication Date:
October 25, 2012
Filing Date:
March 29, 2011
Export Citation:
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Assignee:
NGK INSULATORS LTD
International Classes:
B01D39/20; B01D46/00; F01N3/022
Domestic Patent References:
JPH06182204A1994-07-05
JP2003148127A2003-05-21
JPS5976516A1984-05-01
JP2008104944A2008-05-08
JPS5870814A1983-04-27
JPH03202605A1991-09-04
Foreign References:
WO2007094499A12007-08-23
Attorney, Agent or Firm:
Ippei Watanabe
Koji Kikawa
Hiroyuki Sato
Shigeru Koike