Patents Assigned to Pyroalliance
-
Patent number: 9808661Abstract: Extinguishing a fire by pressurizing a tank containing an extinguishing liquid. According to the invention, the tank containing the liquid is provided with an expulsion outlet at a front end, a gas generator (17) is installed at a rear end, and a diaphragm forming an inflatable bag (19) is installed inside the tank, being folded prior to triggering in a confinement space at the front of the gas generator, the outlet from the generator being associated with a deflector (47) including a rearwardly-directed ejection passage (49).Type: GrantFiled: March 6, 2012Date of Patent: November 7, 2017Assignee: PYROALLIANCEInventors: Eric Gibaud, Pierre Humbert, Bertrand Haguenauer, Alexis Huet
-
Patent number: 9683824Abstract: An arming and safety device for a pyrotechnic chain, the device including a housing presenting an inlet zone for a pyrotechnic stream and an outlet zone for the pyrotechnic stream, an arming element housed in the housing between the inlet and outlet zones and adapted to move between a disarmed position in which it blocks the passage of the pyrotechnic stream and an armed position in which it allows the pyrotechnic stream to pass, and an electric motor for driving the arming element. The stator of the electric motor is situated outside the housing, and the rotor is contained entirely inside the housing.Type: GrantFiled: November 20, 2015Date of Patent: June 20, 2017Assignees: PYROALLIANCE, TECHSPACE AEROInventors: Jean-Christian Bomal, Cédric Frippiat, Christophe Lamontagne
-
Patent number: 9194667Abstract: The invention relates to a method for obtaining linear detonating shaped cutting charges (100) and to novel linear detonating shaped cutting charges (100) that are able to be obtained by means of said method. Characteristically, the sheath (101) of said charges (100) is shaped before filling and, once filled, it is only slightly deformed for perfect adaptation to the material contained therein. Ultimately, said sheath (101) has concave (C) outer walls (10a, 10b).Type: GrantFiled: September 14, 2012Date of Patent: November 24, 2015Assignee: PYROALLIANCEInventors: Alex Chartier, Laurent D'Emmanuele, Olivier Jeanneau
-
Publication number: 20150013561Abstract: The invention relates to a method for obtaining linear detonating shaped cutting charges (100) and to novel linear detonating shaped cutting charges (100) that are able to be obtained by means of said method. Characteristically, the sheath (101) of said charges (100) is shaped before filling and, once filled, it is only slightly deformed for perfect adaptation to the material contained therein. Ultimately, said sheath (101) has concave (C) outer walls (10a, 10b).Type: ApplicationFiled: September 14, 2012Publication date: January 15, 2015Applicant: PYROALLIANCEInventors: Alex Chartier, Laurent D'Emmanuele, Olivier Jeanneau
-
Publication number: 20140069667Abstract: Extinguishing a fire by pressurizing a tank containing an extinguishing liquid. According to the invention, the tank containing the liquid is provided with an expulsion outlet at a front end, a gas generator (17) is installed at a rear end, and a diaphragm forming an inflatable bag (19) is installed inside the tank, being folded prior to triggering in a confinement space at the front of the gas generator, the outlet from the generator being associated with a deflector (47) including a rearwardly-directed ejection passage (49).Type: ApplicationFiled: March 6, 2012Publication date: March 13, 2014Applicant: PYROALLIANCEInventors: Eric Gibaud, Pierre Humbert, Bertrand Haguenauer, Alexis Huet
-
Publication number: 20130101369Abstract: A device for rapidly separating two subassemblies under the action of a pyrotechnic gas generator. The device comprises a segmented nut (17) held by a release sleeve (40) that is movable under the action of the gas generator (15), a drive chamber (64) including an end wall of the release sleeve, a damping chamber (66) communicating with a gas expansion chamber (60), and calibrated passages (70) extending between the damping chamber and the drive chamber.Type: ApplicationFiled: May 5, 2011Publication date: April 25, 2013Applicant: PYROALLIANCEInventors: Charlotte Lenoir, Bertrand Haguenauer, Christian Forys
-
Patent number: 8100670Abstract: The subject of the present invention is a device (50) for propelling a liquid (L) comprising a reservoir (51) equipped with a mobile separation member (57) and a pyrotechnic gas generator (1), which is arranged inside said reservoir (51), equipped with nozzles (4a, 4b, 4a?, 4b?). Characteristically, said nozzles (4a, 4b, 4a?, 4b?) of said gas generator (1) are arranged radially on the wall(s) of said body (2) and said gas generator (1), arranged in such a way that its axis corresponds to the line of travel of said mobile separation member (57), is equipped with a deflector (8) to deflect said generated combustion gases (G) along said line of travel of said mobile separation member (57).Type: GrantFiled: August 31, 2007Date of Patent: January 24, 2012Assignee: PyroallianceInventors: Vincent Bodart, Anthony Schyns
-
Publication number: 20090202364Abstract: The subject of the present invention is a device (50) for propelling a liquid (L) comprising a reservoir (51) equipped with a mobile separation member (57) and a pyrotechnic gas generator (1), which is arranged inside said reservoir (51), equipped with nozzles (4a, 4b, 4a?, 4b?). Characteristically, said nozzles (4a, 4b, 4a?, 4b?) of said gas generator (1) are arranged radially on the wall(s) of said body (2) and said gas generator (1), arranged in such a way that its axis corresponds to the line of travel of said mobile separation member (57), is equipped with a deflector (8) to deflect said generated combustion gases (G) along said line of travel of said mobile separation member (57).Type: ApplicationFiled: August 31, 2007Publication date: August 13, 2009Applicant: PYROALLIANCEInventors: Vincent Bodart, Anthony Schyns
-
Patent number: 7073846Abstract: The technical field of the invention is that of devices used in the field of motor vehicle safety to protect a pedestrian in the event of a head-on impact between the said pedestrian and a motor vehicle. More precisely, the invention relates to a safety device (1,100) for lifting the bonnet (29,129) of a motor vehicle in the event of a collision, comprising a mechanism (3,103) for lifting the said bonnet (29,129), an actuator (16,116) fitted with a pyrotechnic gas generator and a member for latching the said lift mechanism (3,103). The main feature of this device is that the latching member consists of a hook (4,104) mounted pivotingly and fixedly attached to the said motor vehicle, the said actuator (16,116) inducing an action on the said hook (4,104) to unlatch the lift mechanism (3,103).Type: GrantFiled: December 22, 2004Date of Patent: July 11, 2006Assignee: PyroallianceInventors: Evrard Borg, Eric Laspesa, Jean-Paul Nadeau
-
Patent number: 7059458Abstract: A damping device used for motor vehicle safety, for damping the displacement of at least one part set in motion during a collision between a motor vehicle and an external object, the part being, for example, a bumper, a steering column or a bonnet of a motor vehicle, the device comprising an actuator that is able to displace a piston and is characterized in that it includes a wire having one end connected to a fixed portion of the vehicle, the actuator, which is secured to the part to be damped, interacting with the wire in order to retard and then stop the part.Type: GrantFiled: June 14, 2004Date of Patent: June 13, 2006Assignee: PyroallianceInventors: Evrard Borg, Laurent D'Emmanuelle, Eric Laspesa, Jean-Paul Nadeau
-
Publication number: 20060108169Abstract: The technical field of the invention is that of the devices used in the field of automotive safety to protect a pedestrian in the event of a frontal impact between the said pedestrian and a motor vehicle. More specifically, the invention relates to a safety device (1, 101, 201) for raising the bonnet (11, 111, 211) of a motor vehicle in the event of a collision with a pedestrian, comprising a pyrotechnic actuator (2, 102, 202, 302) provided with a thrust piston (17, 117) secured to a mechanism for raising the bonnet (11, 111, 211) and able to deploy the said mechanism which is itself secured to the said bonnet (11, 111, 211), and a blocking device intended to block the said actuator (2, 102, 202, 302) in a given position.Type: ApplicationFiled: October 21, 2005Publication date: May 25, 2006Applicant: PyroallianceInventors: Evrard Borg, Eric Laspesa, Jean-Paul Nadeau
-
Publication number: 20060065337Abstract: The technical field of the invention is that of pyrotechnic actuators having the essential function either of inflating a structure or of displacing a component by way of a ram. The subject of the invention relates more specifically to a gas-generating actuator (1, 100) comprising an ignition system (3, 103) and an energetic charge. The main characteristic of the actuator (1, 100) is that the charge is made up of a reducing material (4, 104) and of an oxidizing fluid (2, 102) which are separate.Type: ApplicationFiled: August 19, 2005Publication date: March 30, 2006Applicant: PYROALLIANCEInventors: Christian Perut, Pierre Humbert, Michael Mamou, Antoine Roussy
-
Patent number: 6959548Abstract: The technical field of the invention is that of motor vehicle safety involving energy absorption systems for damping the displacement of certain parts that are put into motion at the time of a mechanical collision between the motor vehicle and an externals object. The subject of the present invention relates to an energy absorption system for safety devices in a motor vehicle, comprising a pyrotechnic gas generator and a sliding position that can be displaced in a damping chamber, the said generator being able to release gas into the said chamber in order to damp the piston. The main characteristic of this system is that the gas generator delivers a variable quantity of gas and the damping chamber comprises a pressure-regulating device that is triggered above a threshold pressure.Type: GrantFiled: May 13, 2004Date of Patent: November 1, 2005Assignee: PyroallianceInventors: Evrard Borg, Laurent D'Emmanuelle, Eric Laspesa, Jean-Paul Nadeau
-
Publication number: 20050217466Abstract: The technical field of the invention is that of motor vehicle safety involving devices for cutting a structure such as, for example, an instrument panel, so as to actuate a safety device. The object of the present invention relates more specifically to a device (1) for cutting a structure in a motor vehicle comprising a linear pyrotechnic charge (5) placed inside a flattened deformable tube (6), combustion of the said charge (5) bringing about deformation of the tube (6) which increases its cross section, the said deformation causing the structure (3) to break. The main characteristic of this device is that the combustion rate of the pyrotechnic charge (5) is less than 3000 m/s.Type: ApplicationFiled: February 25, 2005Publication date: October 6, 2005Applicant: PYROALLIANCEInventors: Evrard Borg, Eric Laspesa, Laurent D'emmanuelle
-
Patent number: 6942056Abstract: A safety device for lifting a bonnet of a motor vehicle in the event of a collision, the device being situated under the bonnet. The device includes a mechanism for lifting the bonnet, and a gas generator. The bonnet includes a structure allowing the bonnet in normal operation, to be opened or closed about a rotation axis. The device also includes an actuator with a mechanical means actuated using the gas generator and able to deploy the lifting mechanism.Type: GrantFiled: November 28, 2003Date of Patent: September 13, 2005Assignee: PyroallianceInventors: Jean-Paul Nadeau, Laurent D'Emmanuelle, Eric Laspesa, Evrard Borg
-
Publication number: 20050151393Abstract: The technical field of the invention is that of devices used in the field of motor vehicle safety to protect a pedestrian in the event of a head-on impact between the said pedestrian and a motor vehicle. More precisely, the invention relates to a safety device (1,100) for lifting the bonnet (29,129) of a motor vehicle in the event of a collision, comprising a mechanism (3,103) for lifting the said bonnet (29,129), an actuator (16,116) fitted with a pyrotechnic gas generator and a member for latching the said lift mechanism (3,103). The main feature of this device is that the latching member consists of a hook (4,104) mounted pivotingly and fixedly attached to the said motor vehicle, the said actuator (16,116) inducing an action on the said hook (4,104) to unlatch the lift mechanism (3,103).Type: ApplicationFiled: December 22, 2004Publication date: July 14, 2005Applicant: PYROALLIANCEInventors: Evrard Borg, Eric Laspesa, Jean-Paul Nadeau
-
Publication number: 20050016371Abstract: The technical field of the invention is that of pyrotechnic actuators comprising a piston, the basic function of which is to exert a thrust so as to displace an object by shooting out the piston. More particularly, the invention relates to a pyrotechnic actuator (1, 1a, 1b, 1c) comprising a pyrotechnic-gas generator (7), a combustion chamber (3) and a piston (9) which can move in a slide chamber (5) under the effect of the said gases. The principal characteristic of this actuator is that it comprises a shut-off device (4, 4a, 4b, 4c) used after the triggering of the said actuator (1, 1a, 1b, 1c) in order, on the one hand, to close the slide chamber (5) and, on the other hand, to secure the depressurization of the combustion chamber (3).Type: ApplicationFiled: June 14, 2004Publication date: January 27, 2005Applicant: PYROALLIANCEInventors: Evrard Borg, Laurent D'Emmanuelle, Eric Laspesa, Jean-Paul Nadeau
-
Publication number: 20050006191Abstract: The technical field of the invention is that of motor vehicle safety. The invention relates more particularly to a damping device (1) for damping the displacement of at least one part set in motion during a mechanical collision between a motor vehicle and an external object, the part being, for example, a bumper, a steering column or a bonnet of a motor vehicle, the said device (1) comprising a pyrotechnic actuator (22) that is able to displace a piston (9) and being characterized in that it includes a wire (21) having one end connected to a fixed portion (27) of the vehicle, the said actuator (22), which is secured to the said part to be damped, interacting with the said wire (21) in order to retard and then stop the part.Type: ApplicationFiled: June 14, 2004Publication date: January 13, 2005Applicant: PYROALLIANCEInventors: Evrard Borg, Laurent D'Emmanuelle, Eric Laspesa, Jean-Paul Nadeau
-
Publication number: 20050000766Abstract: The technical field of the invention is that of motor vehicle safety involving energy absorption systems for damping the displacement of certain parts that are put into motion at the time of a mechanical collision between the motor vehicle and an externals object. The subject of the present invention relates to an energy absorption system (1) for safety devices in a motor vehicle, comprising a pyrotechnic gas generator (5) and a sliding position (7) that can be displaced in a damping chamber (2), the said generator (5) being able to relaease gas into the said chamber (2) in order to damp the piston (7). The main characteristic of this system (1) is that the gas generator (5) delivers a variable quantity of gas and the damping chamber (2) comprises a pressure-regulating device (4) that is triggered above a threshold pressure.Type: ApplicationFiled: May 13, 2004Publication date: January 6, 2005Applicant: PYROALLIANCEInventors: Evrard Borg, Laurent D'Emmanuelle, Eric Laspesa, Jean-Paul Nadeau
-
Publication number: 20040134705Abstract: The present invention relates to a safety device for lifting a bonnet (1) of a motor vehicle in the event of a collision, this device being situated under the said bonnet (1) and comprising a mechanism (2) for lifting the said bonnet (1) and a gas generator (31), the said bonnet (1) comprising a structure allowing it, in normal operation, to be opened or closed about an axis (10) known as the rotation axis. This device is characterized in that it comprises an actuator (3) comprising mechanical means actuated using the said gas generator (31) and able to deploy the said lifting mechanism (2).Type: ApplicationFiled: November 28, 2003Publication date: July 15, 2004Applicant: PYROALLIANCEInventors: Jean-Paul Nadeau, Laurent D'Emmanuelle, Eric Laspesa, Evrard Borg