Patent application number | Description | Published |
20090065116 | Tire for Carrier Vehicle - A radial tire for a handling vehicle, comprising a tread in which the thickness in the radial direction in the circumferential mid-plane is greater than 40 mm. The tire comprises at least three circumferential grooves, at least the central circumferential groove having an axial width L of less than 15 mm and a radial depth H which are such that the ratio of axial width L to radial depth H is between 0.1 and 0.3. | 03-12-2009 |
20100314850 | Heavy Duty Vehicle with a Tread Including a Plurality of Parts - A vehicle, such as a public transport vehicle or a “civil engineering plant” vehicle, comprising at least two axle systems, at least one of them comprising at least two twin-mounted sets fitted with tires. Each of the treads of the tires fitted to two twin-mounted sets comprises at least on its exterior surface at least two circumferential parts made of polymer blends that have different physico-chemical properties, the distributions of the said polymer blends in the treads of each of the tires being symmetric with respect to a longitudinal plane passing through a point mid-way between the two twin-mounted sets. | 12-16-2010 |
20140150950 | BEAD FOR A TIRE FOR A HEAVY CIVIL-ENGINEERING VEHICLE - The invention relates to improving the endurance of a bead of a radial tire for a heavy vehicle of construction plant type by reducing the compression to which the turn-up is subjected when the tire is driven on. According to the invention, for a tire for a heavy vehicle of construction plant type comprising two beads intended to come into contact with a rim having two rim flanges, a carcass reinforcement comprising at least one carcass reinforcement layer having a main part wrapped, within each bead, from the inside towards the outside of the tire, around a bead wire of substantially circular meridian section, to form a turn-up, a filling element extending the bead wire radially towards the outside and axially separating the main part and the turn-up, the distance (d) between a first segment of turn-up and the main part decreasing continuously, radially towards the outside, from the bead wire as far as a minimum distance (d | 06-05-2014 |
20150136287 | TIRE COMPRISING A TREAD FORMED BY MULTIPLE ELASTOMER BLENDS - A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the tread having at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a macro dispersion Z-value higher than 65 and a maximum tan(δ) value, denoted tan(δ)max, lower than 0.150, and the second blended elastomeric compound having a maximum tan(δ) value, denoted tan(δ)max, lower than 0.130. | 05-21-2015 |
20150151579 | TIRE COMPRISING A TREAD FORMED BY MULTIPLE ELASTOMER BLENDS - A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the tread having at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a macro dispersion Z-value higher than 65 and a maximum tan(δ) value, denoted tan(δ)max, lower than 0.120, and the complex dynamic shear modulus G* 1% at 100° C. of the second blended elastomeric compound having a value at least 10% higher than that of the complex dynamic shear modulus G* 1% at 100° C. of the first blended elastomeric compound. | 06-04-2015 |
20150151580 | TIRE COMPRISING A TREAD FORMED BY MULTIPLE ELASTOMER BLENDS - A tire of which the tread contains at least two layers of blended elastomeric compounds that are radially superposed and has a voids ratio that is lower in the central part than at the axially outer parts thereof. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a central part, and of two outer parts formed of a second blended compound, the first blended compound having a Z-value higher than 55, the first blended compound and the second blended compound having a tan(δ)max value lower than 0.110, the modulus G* of the second blended elastomeric compound having a value at least 10% higher than that of the modulus G* of the first blended elastomeric compound, a second layer of the tread, radially the outermost, being made up of a third blended compound of which the modulus G* has a value at least 10% higher than that of the modulus G* of the first blended elastomeric compound and the elongation at break of the third blended compound having a value at least 10% higher than those of the elongations at break of the first and second blended compounds. | 06-04-2015 |
20150158338 | TIRE COMPRISING A TREAD FORMED BY MULTIPLE ELASTOMER BLENDS - A tire with a radial carcass reinforcement, having a crown reinforcement, itself capped radially by a tread connected to two beads by two sidewalls, the tread containing at least two layers of blended elastomeric compounds that are radially superposed and have a voids ratio that is lower in the central part than at the axially outer parts. A first layer of blended elastomeric compounds of the tread is made up of a first blended elastomeric compound forming a part extending at least into the region of the equatorial plane and of at least two axially outer parts formed of a second blended elastomeric compound, the first blended elastomeric compound having a macro dispersion Z-value higher than 65 and a maximum tan(δ) value, denoted tan(δ)max, lower than 0.150, and the elongation at break in a tearability test of the second blended elastomeric compound at 100° C. having a value at least 10% higher than that of the elongation at break of the first blended elastomeric compound in a tearability test at 100° C. | 06-11-2015 |
Patent application number | Description | Published |
20090156439 | LUBRICANT COMPOSITIONS COMPRISING COLLOIDAL DISPERSIONS OF IRON AND TREATMENT OF ENGINE EXHAUST GASES THEREWITH - Lubricant compositions contain a blend of a lubricating oil and a colloidal dispersion of particles of at least one iron compound and an amphiphilic agent; such compositions are useful for operating an engine, more particularly a diesel engine, which is equipped with an exhaust system fitted with a particle filter, wherein the particles present in the exhaust gases are trapped on the filter and, periodically, the trapped particles are burned, and further wherein the subject compositions are employed as engine lubricants with a view to catalyzing the combustion of the trapped particles. | 06-18-2009 |
20090241523 | LUBRICANT COMPOSITIONS COMPRISING COLLOIDAL DISPERSIONS OF RARE EARTH COMPOUNDS AND CATALYTIC COMBUSTION OF ENGINE EXHAUST SOOTS THEREWITH - Engines equipped with an exhaust line fitted with a particulate filter, in which the particulates contained in the exhaust gas are trapped on such filter, and wherein the trapped particulates are periodically burned off, are operated by improvedly catalyzing the combustion of said particles utilizing a composition containing mixture of a lubricating oil and a colloidal dispersion as the engine-lubricating composition, which dispersion includes particles of at least one compound of at least one rare earth and an amphiphilic agent. | 10-01-2009 |
20090297416 | ALUMINA-BASED NITROGEN OXIDE (NOx) TRAPPING COMPOSITIONS AND TREATMENT OF VEHICULAR EXHAUST GASES THEREWITH - Thermally stable, solid alumina-based compositions useful for the trapping of nitrogen oxides that are contained in gaseous fluids, notably in vehicular exhaust gases, are formed of alumina, cerium and a divalent metal M selected from among barium, strontium or an association of these two elements and which include at least 10% of the weight of element M expressed by weight of oxide in contrast to the total weight of the composition and also wherein the aluminate compound of the metal element M, i.e., MAl | 12-03-2009 |
20100300079 | OPERATION OF DIESEL/LEAN-BURN ENGINES HAVING EASILY REGENERATED PARTICLE FILTERS IN THE EXHAUST SYSTEMS THEREFOR - Diesel or lean-burn engines which are fitted with an exhaust system provided with a particle filter are supplied with a fuel containing an additive capable of lowering the temperature at which the soot particles trapped by the particle filter can be burned and which essentially consists of an iron compound or essentially consists of an iron compound and of a cerium compound, and wherein the particle filter through which the exhaust gases produced by the combustion of the fuel in the engine pass is a catalytic filter in which the catalyst assists with the combustion of the soot particles; this improves soot combustion dynamics, particularly at low temperatures. | 12-02-2010 |
20110162525 | TREATMENT OF GASES TO REDUCE THE CARBON DIOXIDE CONTENTS THEREOF - A method for processing a CO | 07-07-2011 |
20120192823 | SYNERGISTIC DETERGENT AND ACTIVE METAL COMPOUND COMBINATION - Compositions that include a detergent composition and an active metal compound are described wherein the detergent composition includes a quaternary ammonium salt detergent and optionally an oxygen-containing detergent, and wherein the active metal compound is in the form of a colloidal dispersion, comprising an organic phase, particles of an iron compound in its amorphous form, and at least one amphiphilic agent. These compositions can be used in fuels to provide improved engine performance by, for example, reducing fuel injector fouling in the engine and/or by improving the regeneration of the engine's particulate exhaust trap. | 08-02-2012 |
20130306028 | DEVICE FOR DISPENSING AN ADDITIVE - The invention relates to a device for dispensing a liquid additive into a fuel circulation circuit for an internal combustion engine, comprising a reservoir ( | 11-21-2013 |
20140007494 | FUEL ADDITIVE COMPOSITION CONTAINING A DISPERSION OF IRON PARTICLES AND A DETERGENT - A composition contains an additive for assisting with regeneration of the PF in the form of an organic dispersion of iron particles in crystallized form and a detergent including a quaternary ammonium salt. | 01-09-2014 |
20140007495 | USE OF DISPERSIONS OF IRON PARTICLES AS FUEL ADDITIVE - The present invention relates to the use of dispersions including an organic phase, at least one amphiphilic agent and solid objects based on particles of an iron compound in the crystallized form with a small size, as a fuel additive. | 01-09-2014 |
20140013659 | ORGANIC DISPERSION OF IRON-BASED PARTICLES IN CRYSTALLIZED FORM - A dispersion includes an apolar organic phase, at least one amphiphilic agent, and solid objects based on particles of an iron compound in crystallized form of small size. | 01-16-2014 |
20140033604 | FUEL ADDITIVE CONTAINING A DISPERSION OF IRON PARTICLES AND AN AMMONIUM POLYESTER DETERGENT - A composition contains an additive for assisting with the regeneration of the PF in the form of an organic dispersion of iron particles and a detergent including a polyester quaternary ammonium salt. | 02-06-2014 |
20140048029 | PROCESS FOR OPERATING AN ENGINE SUPPLIED WITH A FUEL CONTAINING A CATALYST FOR REGENERATING A PARTICULATE FILTER - The invention relates to a process for operating an internal combustion engine of a vehicle equipped with an exhaust system comprising a catalysed particulate filter in which the engine is supplied with a fuel containing a catalyst for regenerating the particulate filter. The process is characterized in that the concentration of catalyst in the fuel varies discontinuously. | 02-20-2014 |
20140238349 | Device for Dispensing a Liquid Additive Into a Fuel Circulation Circuit for an Internal Combustion Engine, Vehicle Comprising Such a Device, And Method For Using Said Device - The invention relates to a device for dispensing a liquid additive into a fuel circulation circuit ( | 08-28-2014 |
20140366615 | METHOD FOR DIAGNOSING THE MALFUNCTIONING OF A DEVICE FOR ADDING AN ADDITIVE INTO A FUEL FOR A VEHICLE, AND SYSTEM FOR IMPLEMENTING SAID METHOD - The invention relates to a method for diagnosing the malfunctioning of a device for adding an additive into a fuel for a vehicle comprising an internal combustion engine, said method including: a step of analyzing the fuel in order to determine a variation in the amount of additive in the fuel; a step of comparing the variation in the amount of additive, measured during the previous step, with a theoretical variation in said amount; a step of sending information when the difference between the measured variation and the theoretical variation exceeds a set value. The invention also relates to a system for adding an additive into fuel and for diagnosis for a vehicle comprising an internal combustion engine, which is intended for implementing said method. | 12-18-2014 |