IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0563512
(2006-11-27)
|
등록번호 |
US-8283019
(2012-10-09)
|
우선권정보 |
JP-2005-104317 (2005-03-31) |
발명자
/ 주소 |
- Ohno, Kazushige
- Ogyu, Kazutake
- Kasuga, Takafumi
|
출원인 / 주소 |
|
대리인 / 주소 |
Ditthavong Mori & Steiner, P.C.
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
5 |
초록
▼
A honeycomb structured body including a plurality of cells that are placed in parallel with one another in a longitudinal direction with a cell wall therebetween, and a sealing portion sealing either one of the end portions of the cells. The honeycomb structured body has a porosity of at least about
A honeycomb structured body including a plurality of cells that are placed in parallel with one another in a longitudinal direction with a cell wall therebetween, and a sealing portion sealing either one of the end portions of the cells. The honeycomb structured body has a porosity of at least about 70% and at most about 95% and having a length about 0.2 to about 0.9 times a diameter thereof, where the length is in the longitudinal direction of the honeycomb structured body, and the diameter is of a cross-section perpendicular to the longitudinal direction of the honeycomb structured body.
대표청구항
▼
1. A honeycomb structured body comprising: a plurality of cells that are placed in parallel with one another in a longitudinal direction with a cell wall therebetween; anda sealing portion sealing either one of the end portions of the cells,wherein the honeycomb structured body has a porosity of at
1. A honeycomb structured body comprising: a plurality of cells that are placed in parallel with one another in a longitudinal direction with a cell wall therebetween; anda sealing portion sealing either one of the end portions of the cells,wherein the honeycomb structured body has a porosity of at least about 70% and at most about 95% and having a length about 0.2 to about 0.9 times a diameter thereof, the length being in the longitudinal direction of the honeycomb structured body, and the diameter being of a cross-section perpendicular to the longitudinal direction of the honeycomb structured body,wherein the honeycomb structured body is mainly composed of inorganic fibers and is also composed of an inorganic matter containing silica, the inorganic fibers are fixed with one another by the inorganic matter containing silica, and a vicinity of each intersecting portion between the inorganic fibers is fixed to each other,wherein the honeycomb structured body has an aperture ratio that is at least about 30% and at most about 50%. 2. The honeycomb structured body according to claim 1, wherein a thickness of said cell wall is about 0.6 mm or more. 3. The honeycomb structured body according to claim 1, wherein a catalyst is supported on at least a portion of said honeycomb structured body. 4. The honeycomb structured body according to claim 1, wherein the honeycomb structured body has an average pore diameter that is set to a lower limit value of about 1 μm and an upper limit value of about 100 μm. 5. A honeycomb structured body comprising: a plurality of cells that are placed in parallel with one another in a longitudinal direction with a cell wall therebetween; anda sealing portion sealing either one of the end portions of the cells,wherein said honeycomb structured body has a plurality of lamination members laminated in the longitudinal direction so that the cells are superposed on one another, said lamination members mainly composed of inorganic fibers and also composed of an inorganic matter containing silica,wherein the honeycomb structured body has a porosity of at least about 70% and at most about 95% and having a length about 0.2 to about 0.9 times a diameter thereof, the length being in the longitudinal direction of the honeycomb structured body, and the diameter being of a cross-section perpendicular to the longitudinal direction of the honeycomb structured body,wherein the inorganic fibers are fixed with one another by the inorganic matter containing silica, and a vicinity of each intersecting portion between the inorganic fibers is fixed to each other,wherein the honeycomb structured body has an aperture ratio that is at least about 30% and at most about 50%. 6. The honeycomb structured body according to claim 5, wherein a thickness of said cell wall is about 0.6 mm or more. 7. The honeycomb structured body according to claim 5, further comprising: a plate member made of metal that is laminated as a lamination member for the end portion on both ends of the laminated lamination members mainly composed of inorganic fiber. 8. The honeycomb structured body according to claim 5, wherein a catalyst is supported on at least a portion of said honeycomb structured body. 9. The honeycomb structured body according to claim 5, wherein a thickness of said lamination member is at least about 0.1 mm and at most about 20 mm. 10. The honeycomb structured body according to claim 5, wherein said inorganic fiber comprises at least one inorganic material selected from the group consisting of silica-alumina, mullite, alumina, silica, titania, zirconia, silicon nitride, boron nitride, silicon carbide, and basalt. 11. The honeycomb structured body according to claim 5, wherein the fiber length of said inorganic fiber is at least about 0.1 mm and at most about 100 mm. 12. The honeycomb structured body according to claim 5, wherein said honeycomb structured body comprises a laminate of lamination members having different cell dimensions. 13. The honeycomb structured body according to claim 5, wherein the honeycomb structured body has an average pore diameter that is set to a lower limit value of about 1 μm and an upper limit value of about 100 μm. 14. A honeycomb structured body comprising: a plurality of pillar-shaped porous ceramic members, each having a plurality of cells placed in parallel with one another in a longitudinal direction with a cell wall therebetween, are combined with one another by interposing a sealing material layer; anda sealing portion sealing either one of the end portions of said cells,wherein the honeycomb structured body has a porosity of at least about 70% and at most about 95% and having a length about 0.2 to about 0.9 times a diameter thereof, the length being in the longitudinal direction of the honeycomb structured body, and the diameter being of a cross-section perpendicular to the longitudinal direction of the honeycomb structured body,wherein an aperture ratio is at least about 30% and at most about 50%,wherein said plurality of pillar-shaped porous ceramic members are mainly composed of inorganic fibers and are also composed of an inorganic matter containing silica,wherein the inorganic fibers are fixed with one another by the inorganic matter containing silica, and a vicinity of each intersecting portion between the inorganic fibers is fixed to each other. 15. The honeycomb structured body according to claim 14, wherein a thickness of said cell wall is about 0.6 mm or more. 16. The honeycomb structured body according to claim 14, wherein a catalyst is supported on at least a portion of said honeycomb structured body. 17. The honeycomb structured body according to claim 14, wherein the honeycomb structured body has an average pore diameter that is set to a lower limit value of about 1 μm and an upper limit value of about 100 μm. 18. A honeycomb structured body comprising: a porous ceramic body having a plurality of cells placed in parallel with one another in the longitudinal direction with a cell wall therebetween; anda sealing portion sealing either one of the end portions of the cells, said porous ceramic body being sintered and formed into an integral form as a whole,wherein the honeycomb structured body has a porosity of at least about 70% and at most about 95% and having a length about 0.2 to about 0.9 times a diameter thereof, the length being in the longitudinal direction of the honeycomb structured body, and the diameter being of a cross-section perpendicular to the longitudinal direction of the honeycomb structured body,wherein an aperture ratio is at least about 30% and at most about 50%,wherein said porous ceramic body is mainly composed of inorganic fibers and is also composed of an inorganic matter containing silica,wherein the inorganic fibers are fixed with one another by the inorganic matter containing silica, and a vicinity of each intersecting portion between the inorganic fibers is fixed to each other. 19. The honeycomb structured body according to claim 18, wherein a thickness of said cell wall is about 0.6 mm or more. 20. The honeycomb structured body according to claim 18, wherein a catalyst is supported on at least a portion of said honeycomb structured body. 21. The honeycomb structured body according to claim 18, wherein the honeycomb structured body has an average pore diameter that is set to a lower limit value of about 1 μm and an upper limit value of about 100 μm.
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