Patent application number | Description | Published |
20080202080 | High Specific Surface Silicon Carbide Catalytic Filter and Support - The invention relates to a honeycomb structure, made from a porous ceramic material, said structure being characterized in that the porous ceramic material which forms it comprises:
| 08-28-2008 |
20090288380 | FILTRATION STRUCTURE, IN PARTICULAR A PARTICULATE FILTER FOR THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE, AND ASSOCIATED EXHAUST LINE - Said structure comprises first and second filtering elements ( | 11-26-2009 |
20090297407 | STRUCTURE AND CATALYTIC FILTER FOR FILTERING A GAS COMPRISING A HYDROPHOBIC OR OLEOPHOBIC CEMENT - The invention relates to an assembled structure that can be used, after deposition of a catalyst, for filtering a gas loaded with soot particles and pollutants in the gas phase in which the cement used as a coating cement and/or as a joint cement comprises, at least at the surface, a hydrophobic or oleophobic material. | 12-03-2009 |
20090320427 | CEMENT FOR PARTICLE FILTER - Jointing cement intended in particular for fastening together a plurality of filter blocks of a filtering body of an exhaust gas particle filter of an internal combustion engine of a motor vehicle, having a silicon carbide (SiC) content of between 30% and 90%. The cement according to the invention includes at least 0.05% and less than 5% of a thermosetting resin, the percentages being percentages by weight relative to the total weight of the thermosetting resin and the mineral material, apart from the possible water. | 12-31-2009 |
20100024368 | JOINTING CEMENT CONTAINING HOLLOW SPHERES, FOR A PARTICLE FILTER - Jointing cement intended in particular for fastening together a plurality of filter blocks of a filtering body for filtering exhaust gas particles of an internal combustion engine of a motor vehicle, the cement including, in percentages by weight relative to the weight of the mineral material, apart from possible water and a possible mineral resin,
| 02-04-2010 |
Patent application number | Description | Published |
20090126863 | Device, installation and method for aligning and/or assembling filtering elements - A device for aligning and/or assembling filtering elements, in particular of particulate filter, an installation for assembling a filter from filtering elements incorporating the device, and a method for aligning and/or assembling monolithic filtering elements, in particular for making a particulate filter. The device includes a back plate whereon are set the filtering elements, the back plate being for example fixed on a base plate, and walls laterally foldable upwards by a folding mechanism, such that the filtering elements are mutually maintained tightly when the walls are in an upper position. | 05-21-2009 |
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 |
20110167806 | PARTICLE FILTER DEVICES - A device for reducing pollution of an internal combustion engine, including a collection of monolithic elements of honeycomb type connected by a jointing compound, each element incorporating a set of adjacent cells of mutually parallel axes separated by porous walls, which cells are plugged by plugs at one or other of their ends to delimit inlet chambers opening onto a gas intake face and outlet chambers opening onto a gas discharge face such that gas that is to be filtered passes through the porous walls, the collection being inserted in a metal casing by a compacted fibrous mat. A jointing compound has a three-point flexural modulus of rupture of between 0.5 and 6 MPa, the jointing compound has a dynamic Young's modulus less than or equal to 17 GPa, the mat has a mean density in the compacted state of between 0.30 and 0.54, and the mean thickness of the mat in the compacted state is between 2 and 8 mm. | 07-14-2011 |
20110256379 | BODY ASSEMBLED WITH A MACROPOROUS HARDENED CEMENT - An assembled ceramic body having blocks attached to one another by means of a seal, the lateral surface of the ceramic body possibly being coated with a peripheral coating, the seal and/or the peripheral coating including a set cement having less than 10% of inorganic fibers, as a percentage by weight based on the dry mineral matter, in a section plane perpendicular to at least one of the facing faces of the blocks assembled by said seal, having macropores with an equivalent diameter in the range 200 μm to 40 mm in a quantity such that the total surface area in said section plane occupied by said macropores represents more than 15% and less than 80% of the total surface area observed. | 10-20-2011 |