Saint-Gobain Centre De Recherches Et D'etudes Eur. Patent applications |
Patent application number | Title | Published |
20120021895 | HONEYCOMB CATALYST SUBSTRATE AND METHOD FOR PRODUCING SAME - The subject of the invention is a catalyst support made of a porous inorganic material, for the treatment of exhaust gases, having a honeycomb structure, one of the faces of the structure serving for the intake of the exhaust gases to be treated and the other face serving for the discharge of the treated exhaust gases, which structure comprises, between these intake and discharge faces, an array of adjacent ducts or channels of mutually parallel axes separated by porous walls, said support being coated on at least part of its internal surface with at least one vinylpyrrolidone polymer or copolymer. | 01-26-2012 |
20120013052 | METHOD AND SUBSTRATE FOR CURING A HONEYCOMB STRUCTURE - The invention relates to a process for firing a porous ceramic structure of the honeycomb type on a firing setter, said structure comprising a plurality of longitudinal through-channels terminating in two ends of the structure, the end bearing on the setter having a maximum width L | 01-19-2012 |
20110176972 | CELLULAR STRUCTURE CONTAINING ALUMINIUM TITANATE - The invention relates to a structure of the honeycomb type, comprising a porous ceramic material based on aluminum titanate, the thermal expansion coefficient of which between 20 and 1000° C. is less than 2.5×10 | 07-21-2011 |
20110105318 | MELTED OXIDE GRAINS INCLUDING AL, TI, MG, AND ZR, AND CERAMIC MATERIALS COMPRISING SUCH GRAINS - The invention relates to a mixture of fused grains having the following chemical composition, in weight percentages on the basis of the oxides: less than 55% of Al | 05-05-2011 |
20100308849 | DEVICE FOR DETECTING RADIAL CRACKS IN A PARTICULATE FILTER - The invention relates to an assembly consisting of a device for detecting radial cracks in a particulate filter of the honeycomb type, of which the filtering part is made up of a porous inorganic material, said particulate filter comprising a single monolithic element or being obtained by combining a plurality of monolithic elements, the device being characterized in that it comprises an electrically conducting material arranged in the form of a strip or of a wire on at least one longitudinal part of the filter, secured to a monolithic element and/or to the coating cement or the jointing cement, and having an electrical conductivity greater than that of the material that makes up that part of the filter to which it is secured, and a strength less than or equal to that of the material that constitutes that part of the filter to which it is secured, and means of measuring the conductivity or the electrical resistance of the strip or wire of electrically conducting material. | 12-09-2010 |
20100307117 | GAS FILTRATION STRUCTURE WITH CONCAVE OR CONVEX HEXAGONAL CHANNELS - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, in which: each outlet channel has a wall common to six inlet walls, each common wall constituting a side of said outlet channel; each outlet channel consists of six sides of approximately identical width a, so as to form a channel of approximately hexagonal and regular cross section; at least two adjacent sides of each inlet channel have a different width; at least two inlet channels sharing a wall with one and the same outlet channel share between them a common wall of width b; and in which the ratio of the widths b/a is equal to 1. | 12-09-2010 |
20100287916 | PURIFICATION STRUCTURE INCORPORATING A BIASED ELECTROCHEMICAL CATALYST SYSTEM - A device for the purification of a polluted gas, for example an exhaust gas from a diesel or gasoline engine, comprising, in combination: A honeycomb structure, comprising at least one porous electron-conductive material forming the walls ( | 11-18-2010 |
20100269697 | GAS FILTRATION STRUCTURE WITH ASYMMETRICAL HEXAGONAL CHANNELS - The invention relates to a gas filter structure for filtering particulate-laden gases, of the honeycomb type and comprising an assembly of longitudinal adjacent channels of mutually parallel axes separated by porous filtering walls, in which: each outlet channel has a wall common to six inlet walls, each common wall constituting a side of said outlet channel; each outlet channel consists of six sides of approximately identical width a, so as to form a channel of approximately hexagonal and regular cross section; at least two adjacent sides of each inlet channel have a different width; at least two inlet channels sharing a wall with one and the same outlet channel share between them a common wall of width b; and in which the ratio of the widths b/a is greater than 0 but less than 1. | 10-28-2010 |
20100071328 | METHOD FOR MAKING A SIC BASED CERAMIC POROUS BODY - The invention relates to a process for fabrication of a porous refractory ceramic product made from SiC, by heat treatment and sintering at high temperature, starting from a fraction of fine particles of SiC and from a fraction of larger-sized particles of SiC, said process being characterized in that, in a step preliminary to the heat treatment and to the sintering at high temperature, the finest particles of SiC are agglomerated then, in a second step, the granules thus obtained are added to the SiC powder with particles of larger size. | 03-25-2010 |
20080257144 | Measuring of a Soot Deposition Homogeneity in a Particle Filter and Said Filter Regeneration Control - The invention relates to a method for measuring the uniformity of the deposit of soot in a particulate filter, comprising the steps consisting in measuring, simultaneously or in succession, the respective characteristic quantities of at least two gas streams each having passed through a different longitudinal portion of said filter, and then in comparing the characteristic quantities thus measured. It also relates to a method for controlling the regeneration of a particulate filter, comprising the steps consisting in measuring the uniformity of the soot deposit in said filter and in adjusting the parameters of said regeneration according to the uniformity value obtained. | 10-23-2008 |