Ngk Insulators, Inc.

Kyohei Kato

Fumihiko Yoshioka

Yukio Miyairi

Masaaki Masuda

Yuji Sasaki

Sachiko Ishida

Kimiko Kishine

Takashi Aoki

Yunie Izumi

Atsuo Kondo

Takafumi Kimata

Hirofumi Sakamoto

Norihiro Wakida

Kazuya Hosoda

Takehide Shimoda

Nozomu Hirai

Norihiro Wakita

A pillar shaped honeycomb structure, including: an outer peripheral wall; and a porous partition wall disposed inside the outer peripheral wall, the partition wall defining a plurality of cells, each of the cells extending from one end face to other end face to form a flow path, wherein the plurality of cells include two or more types of magnetic substances in which at least two of a maximum magnetic permeability, a Curie point, and an intrinsic resistance value are different.

Honeycomb structure and exhaust gas purifying device

A pillar shaped honeycomb structure, including: a porous partition wall that define a plurality of cells, the plurality of cells forming flow paths for a fluid, the plurality of cells extending from an inflow end face to an outflow end face; and an outer peripheral wall located at the outermost circumference. The plurality of cells include: a plurality of first cells; and a plurality of second cells having a lower cross-sectional area than that of the plurality of first cells. An interior of each of the second cells is filled with a material comprising a magnetic substance. Each of the second cells are arranged adjacent to at least one of the first cells.

Honeycomb structure, exhaust gas purifying device and exhaust system

A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 8 to 12 and in a pore diameter distribution which indicates a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (&#x3bc;m) on an abscissa axis and a log differential pore volume (cm/g) on an ordinate axis, a first peak that includes a maximum value of the log differential pore volume has a pore diameter value of 10 &#x3bc;m or less, the pore diameter value corresponding to a &#x2153; value width of the maximum value.

Honeycomb filter

A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 13 to 18 &#x3bc;m, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (&#x3bc;m) on an abscissa axis and a log differential pore volume (cm/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 15 &#x3bc;m or less, the pore diameter value corresponding to a &#x2153; value width of the maximum value.

A pillar shaped honeycomb structure includes: a porous partition wall that defines a plurality of cells, the cells forming flow paths for a fluid, the cells extending from an inflow end face to an outflow end face; and an outer peripheral wall located at the outermost circumference. At least a part of surfaces of the partition walls has a surface layer, and the surface layer includes magnetic particles and has permeability.

Pillar shaped honeycomb structure, exhaust gas purifying device, exhaust system, and method for producing honeycomb structure

A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 55 to 65%, an average pore diameter of the partition wall measured by a mercury press-in method is 5 to 10 &#x3bc;m, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (&#x3bc;m) on an abscissa axis and a log differential pore volume (cm/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 8 &#x3bc;m or less, the pore diameter value corresponding to a &#x2153; value width of the maximum value.

A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall is composed of a material containing cordierite as a main component thereof, porosity of the partition wall measured by a mercury press-in method is 60 to 68%, an average pore diameter of the partition wall measured by a mercury press-in method is 19 to 26 &#x3bc;m, and in a pore diameter distribution indicating a cumulative pore volume of the partition wall measured by a mercury press-in method, with a pore diameter (&#x3bc;m) on an abscissa axis and a log differential pore volume (cm/g) on an ordinate axis, a first peak including a maximum value of the log differential pore volume has a pore diameter value of 18 &#x3bc;m or less, the pore diameter value corresponding to a &#x2153; value width of the maximum value.

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Nagoya, Japan

Kyohei Kato