| SNPE MATERIAUX ENERGETIQUES Patent applications |
| Patent application number | Title | Published |
|---|
| 20120011848 | TRIGGERED-TRAVEL JACK FOR A SAFETY SYSTEM - A triggered-stroke actuator with its piston being held stationary in an initial position prior to triggering. The piston ( | 01-19-2012 |
| 20110314809 | ACTIVATED-STROKE ACTUATOR, IN PARTICULAR FOR AN AUTOMOBILE SAFETY SYSTEM FOR THE PROTECTION OF PEDESTRIANS - Pyrotechnic actuator in particular for lifting the hood of an automobile in the event of a collision with a pedestrian. | 12-29-2011 |
| 20110171104 | METHOD FOR OBTAINING ADN CRYSTALS THROUGH CRYSTALLIZATION IN A VISCOUS MEDIUM - The present invention relates to a method for crystallizing ammonium dinitramide (ADN), through spontaneous nucleation and crystal growth, from a solution containing said ammonium dinitramide (AND) dissolved in a solvent. Said solvent characteristically has a viscosity greater than or equal to 0.25 Pa s (250 cP) when said spontaneous nucleation is implemented. The ADN crystals obtained by said method have a median shape factor of 1 to 1.5 and are perfectly suitable for placement in the composition of energy materials. | 07-14-2011 |
| 20110041969 | GAS-GENERATING PYROTECHNIC COMPOUND AND PRODUCTION PROCESS - The present invention provides pyrotechnic gas generator compounds and a method of obtaining them. Said compounds have a composition which comprises:
| 02-24-2011 |
| 20110027168 | SOLID COMPOUNDS, SELF-SUSTAINING COMBUSTION HYDROGEN GENERATORS CONTAINING BORAZANE AND/OR POLYAMINOBORANE AND AT LEAST ONE INORGANIC OXIDANT, AND METHOD FOR GENERATING HYDROGEN - The main subject of the present invention are solid compounds capable of generating hydrogen by a self-sustaining combustion reaction. Their composition comprises borazane and/or polyaminoborane and at least one inorganic oxidant, advantageously chosen from ammonium nitrate, alkali metal nitrates, alkaline-earth metal nitrates, metal nitrates, metal oxides, oxidants of the family of dinitramines and mixtures thereof. It also relates to the generation of hydrogen by self-sustaining combustion of at least one such compound. | 02-03-2011 |
| 20110011256 | HOOD-LIFTING ACTUATOR WITH DISARMABLE RETURN BRAKING ARRANGEMENT - The triggered stroke actuator comprises a cylinder ( | 01-20-2011 |
| 20100329960 | COMPOSITION FOR GENERATING NITROGENOUS GAS AND INCLUDING AZODICARBONAMIDE, AND METHOD FOR GENERATING NITROGEN GAS BY DECOMPOSITION OF SAID COMPOSITION - A subject matter of the present invention is compositions which generate nitrogenous gas, with a low decomposition temperature, and processes for the generation of nitrogenous gas comprising the decomposition of such compositions. Said compositions comprise:
| 12-30-2010 |
| 20100307648 | DESENSITIZATION BY COATING CRYSTALS OF EXPLOSIVE ENERGY SUBSTANCES, COATED CRYSTALS OF SUCH SUBSTANCES, AND ENERGY MATERIALS - Subjects of the present invention are:
| 12-09-2010 |
| 20100132856 | FURAZANE DERIVATIVES, PREPARATION THEREOF AND ENERGETIC COMPOSITIONS CONTAINING THEM - A subject matter of the present invention is:
| 06-03-2010 |
| 20100101442 | AUTONOMOUS PYROTECHNICAL METHOD AND DEVICE FOR INJECTING A FLUID - The invention relates to a method and to an autonomous device ( | 04-29-2010 |
| 20100083863 | PYROTECHNICAL METHOD FOR DUAL-MODE GAS GENERATION AND RELATED PYROTECHNICAL GENERATOR - The subject of the present invention is a pyrotechnic method for generating gas at two successive flow rates
| 04-08-2010 |
| 20100051149 | Pyrotechnic Grains of Large Dimensions, and Their Production and Use - The present invention provides pyrotechnic grains of composition comprising at least one oxidizing charge and at least one reducing charge and no binder. In characteristic manner, said grains are in the form of substantially cylindrical blocks:
| 03-04-2010 |
| 20090308509 | Rapid Gas Generating Pyrotechnical Composition and Method for Obtaining Same - The subject-matter of the present invention is:
| 12-17-2009 |
| 20090205757 | Manufacture of Pyrotechnic Objects By a Dry Process; Pyrotechnic Objects - The present invention relates to a dry process for the manufacture of pyrotechnic objects from at least one reducing charge selected from guanidine derivatives, metal hydrides, alkali metal hydrides and alkaline earth metal hydrides, and at least one oxidizing charge selected from alkali metal nitrates, alkaline earth metal nitrates and basic metal nitrates, at least one of said reducing and oxidizing charges having the property of flowing under stress. Said process makes it possible to obtain pellets and small tablets directly by compaction/compression, to obtain granules, usable as such, by compaction and then granulation, and to obtain compressed objects by compaction, granulation and then compression. | 08-20-2009 |
| 20090090441 | Preparation of Ammonium Dinitroamide (ADN) Crystals, ADN Crystals and Energetic Composites Containing Them - The present invention relates to a process for the preparation of novel ammonium dinitroamide (ADN) crystals and to said novel ADN crystals. Said novel crystals have an original morphology factor, namely a low shape factor. They are obtained in the presence of at least one crystal habit modifier. | 04-09-2009 |
| 20090078487 | Mechanical absorption systems for an active bonnet hinge - The invention relates to a safety device for raising the bonnet of a motor vehicle in the event of a collision with a pedestrian. The safety device includes a pyrotechnic actuator provided with a thrust piston secured to a mechanism for raising the bonnet and able to deploy the said mechanism which is itself secured to the said bonnet, and a blocking device intended to block the said actuator in a given position. The main characteristic of this device is that it is made up of a shock-absorbing device employed when a pedestrian hits the bonnet which has been raised, so that the assembly consisting of the bonnet, the raising mechanism and the piston can move under the effect of the impact while at the same time being retarded. | 03-26-2009 |
| 20090057609 | Solid hydrogen source compounds and method for generating hydrogen - The present invention relates to solid compounds which generate hydrogen by combustion, and to a method for generating hydrogen based on the combustion of said compounds. Said compounds have a composition which includes at least one inorganic borohydride, selected from alkali borohydrides, alkaline-earth borohydrides and mixtures thereof, and at least one inorganic oxidant. Characteristically, said composition comprises sulfur. Said method is advantageously implemented for supplying hydrogen to a fuel cell. | 03-05-2009 |
