Patent application number | Description | Published |
20120187109 | HONEYCOMB STRUCTURE - A honeycomb structure includes: a honeycomb structural portion having porous partition walls functioning as fluid passages and separating and forming a plurality of cells extending from one end face to the other end face. The partition walls and the outer peripheral wall contain silicon carbide particles as a framework and silicon as a binder for binding the silicon carbide particles. The honeycomb structure has a partition walls thickness of 50 to 200 μm, a cell density of 40 to 150 cells/cm | 07-26-2012 |
20130284719 | HONEYCOMB STRUCTURE - There is disclosed a honeycomb structure including: a tubular honeycomb structure part having porous partition walls and an outer peripheral wall; and a pair of electrode parts arranged on a side surface of the honeycomb structure part, an electrical resistivity of the honeycomb structure part is from 1 to 200 Ωcm, each of the pair of electrode parts is formed into a band-like shape, the one electrode part is disposed opposite to the other electrode part via the center of the honeycomb structure part, and a distance from one end portion in the extending direction of the cells to an end portion of the electrode part which faces the one end portion of the honeycomb structure part in the extending direction of the cells is from 1 to 10% of a length of the honeycomb structure part in the extending direction of the cells. | 10-31-2013 |
20130284720 | HONEYCOMB STRUCTURE - There is disclosed a honeycomb structure including: a tubular honeycomb structure part having porous partition walls with which a plurality of cells are formed, and an outer peripheral wall; and a pair of electrode parts arranged on a side surface of the honeycomb structure part, an electrical resistivity of the honeycomb structure part is from 1 to 200 Ωcm, each of the pair of electrode parts is formed into a band-like shape extending in a direction in which the cells extend, in a cross section perpendicular to the extending direction of the cells, the one electrode part is disposed opposite to the other electrode part via the center of the honeycomb structure part, and a total of heat capacities of the pair of electrode parts is from 2 to 150% of a heat capacity of the whole outer peripheral wall. | 10-31-2013 |
20140127085 | HONEYCOMB STRUCTURE - A honeycomb structure includes a cylindrical honeycomb structure section having porous partition walls to define and form a plurality of cells, and an outer peripheral wall, and a pair of electrode sections disposed on a side surface of the honeycomb structure section. An electrical resistivity of the honeycomb structure section is from 1 to 200 Ωcm, and each of the pair of electrode sections is constituted of a laminated body of two or more electrode bodies. An area of the electrode body disposed closest to an outer peripheral wall side is larger than an area of the other electrode body, and in a cross section perpendicular to a cell extending direction, a center angle of the electrode body disposed closest to the outer peripheral wall side is larger than a center angle of the other electrode body. | 05-08-2014 |
20140212339 | HONEYCOMB STRUCTURE - A honeycomb structure includes a center part which has a cylindrical honeycomb structure part with a porous partition wall and an outer circumferential wall defining a plurality of cells, and which has a pair of electrodes disposed on the side surface of the honeycomb structure part. The honeycomb structure also includes an outer circumferential part disposed around the center part. The electric resistivity of the honeycomb structure part is 1-200 Ωcm. Each electrode in the electrode pair is formed in a band shape that extends in the direction that the cells extend. In a cross section, one electrode is located opposite the other electrode over the center of the honeycomb structure part. The outer circumferential part has a porous partition wall and an outer circumferential wall that define a plurality of cells. The volumetric heat capacity of the outer circumferential part is smaller than that of the center part. | 07-31-2014 |
20140291315 | HONEYCOMB STRUCTURE - A honeycomb structure includes a honeycomb structure body and a pair of electrode members, an electrical resistivity of the honeycomb structure body is from 1 to 200 Ωcm, each of the pair of electrode members is formed into a band-like shape extending in a cell extending direction of the honeycomb structure body, one electrode member is disposed on a side opposite to the other electrode member via a center of the honeycomb structure body, there are formed one or more electrode member slits as slits opened in an electrode member region, there are formed one or more honeycomb structure body slits as slits opened in a honeycomb structure body region, and a depth of at least one of the electrode member slits is deeper than a depth of at least one of the honeycomb structure body slits. | 10-02-2014 |
20140294687 | HONEYCOMB STRUCTURE AND MANUFACTURING METHOD OF THE SAME - A honeycomb structure includes a tubular honeycomb structure body having porous partition walls to define and form a plurality of cells and an outer peripheral wall, and a pair of electrodes disposed on a side surface of the honeycomb structure body. An electrical resistivity of the honeycomb structure body is from 1 to 200 Ωcm, each of the pair of electrodes is formed into a band-like shape extending in an extending direction of the cells of the honeycomb structure body, one electrode in the pair of electrodes is disposed on a side opposite to the other electrode in the pair of electrodes via a center of the honeycomb structure body, the honeycomb structure body is constituted of an outer peripheral region and a central region, and an electrical resistivity of a material constituting the outer peripheral region is lower than an electrical resistivity of a material constituting the central region. | 10-02-2014 |
20140294688 | HONEYCOMB STRUCTURE AND MANUFACTURING METHOD OF THE SAME - A honeycomb structure includes a tubular honeycomb structure body having porous partition walls to define and form a plurality of cells and an outer peripheral wall, and a pair of electrodes disposed on a side surface of the honeycomb structure body. An electrical resistivity of the honeycomb structure body is from 1 to 200 Ωcm, each of the pair of electrodes is formed into a band-like shape extending in an extending direction of the cells of the honeycomb structure body, one electrode in the pair of electrodes is disposed on a side opposite to the other electrode in the pair of electrodes via a center of the honeycomb structure body, the honeycomb structure body has a central region and an outer peripheral region, and an electrical resistivity of the central region is lower than an electrical resistivity of the outer peripheral region. | 10-02-2014 |
20140294689 | HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A honeycomb structure includes a tubular honeycomb structure body including porous partition walls defining a plurality of cells, and an outer peripheral wall and a pair of electrode parts disposed on a side face of the honeycomb structure body, wherein the honeycomb structure body has electric resistivity of 1 to 200 Ωcm, each electrode part has a belt-like shape extending in an extending direction of the cells, each electrode part is placed on an opposite side each other across a center of the honeycomb structure body, the honeycomb structure body includes an inflow-side area that is an area on the inflow-side and covering the inflow end face, and an outflow-side area that is an area other than the inflow-side area, and the inflow-side area is made of a material having electric resistivity lower than electric resistivity of a material of the outflow-side area. | 10-02-2014 |
20140294690 | HONEYCOMB STRUCTURE - A honeycomb structure includes a tubular bonded honeycomb segment assembly having a plurality of honeycomb segments and a bonding layer which bonds side surfaces of the plurality of honeycomb segments to each other; and a pair of electrode members disposed on a side surface of the bonded honeycomb segment assembly, a volume resistivity of each of the honeycomb segments is from 1 to 200 Ωcm, at least a part of the bonding layer is made of a bonding material having a conductivity, a volume resistivity of the bonding layer is from 2 to 2000 Ωcm, and each of the pair of electrode members is formed into a band-like shape extending in an extending direction of the cells of the bonded honeycomb segment assembly, and one electrode member is disposed on a side opposite to the other electrode member via a center of the bonded honeycomb segment assembly. | 10-02-2014 |