Patents by Inventor Romain Lorenzon
Romain Lorenzon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230395344Abstract: The invention relates to a cut-off device comprising a conductive element and a movable piston, the piston being able to move between a first position for the passage of the current in the conductive element and a second current cut-off position, the piston being configured to break the conductive element during its passage from its first position to its second position, the piston being positioned in a receiving cavity of a receiving element when said piston is in its second position, the receiving cavity being delimited by at least one inner wall of the receiving element, the inner wall being made of electrically insulating material. The receiving element further comprises fins made of electrically insulating material and extending inside the receiving cavity from said at least one inner wall of the receiving element.Type: ApplicationFiled: December 3, 2021Publication date: December 7, 2023Applicant: ARIANEGROUP SASInventors: Frédéric MARLIN, Romain LORENZON
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Patent number: 11823854Abstract: The invention relates to a cut-off device comprising: a conductive element and a movable piston, the piston being able to move between a first position in which the current passes in the conductive element and a second position in which the current is cut off, the piston being configured to break the conductive element when moving from its first position to its second position, the piston being positioned in a receiving cavity of a receiving element when said piston is in its second position, characterized in that the receiving element further comprises at least one additional cavity separate from the receiving cavity and linked to said receiving cavity by at least one channel, said at least one channel being open when the conductive element is broken by the piston.Type: GrantFiled: May 24, 2021Date of Patent: November 21, 2023Assignee: ARIANEGROUP SASInventors: Frédéric Marlin, Romain Lorenzon, Jean-François Oeuvrard, Guillaume Lemmel, Patrice Fleureau
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Publication number: 20230274899Abstract: The disclosure includes a sealed device having a seal around an internal chamber, the seal having at least two closed-loop portions through which a through element extends.Type: ApplicationFiled: July 23, 2021Publication date: August 31, 2023Applicant: ARIANEGROUP SASInventors: Frédéric MARLIN, Romain LORENZON
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Publication number: 20230197383Abstract: The invention relates to a cut-off device comprising: a conductive element and a movable piston, the piston being able to move between a first position in which the current passes in the conductive element and a second position in which the current is cut off, the piston being configured to break the conductive element when moving from its first position to its second position, the piston being positioned in a receiving cavity of a receiving element when said piston is in its second position, characterized in that the receiving element further comprises at least one additional cavity separate from the receiving cavity and linked to said receiving cavity by at least one channel, said at least one channel being open when the conductive element is broken by the piston.Type: ApplicationFiled: May 24, 2021Publication date: June 22, 2023Applicant: ARIANEGROUP SASInventors: Frédéric MARLIN, Romain LORENZON, Jean-François OEUVRARD, Guillaume LEMMEL, Patrice FLEUREAU
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Patent number: 11482391Abstract: A pyrotechnic cut-off device includes: a pyrotechnic igniter, a conductive portion and a movable piston, the piston being able to be displaced in a cavity along a direction of displacement following the actuation of the pyrotechnic igniter between a first position of passage of the current in the conductive portion and a second position of cut-off of the current, wherein the piston defines a first sealing portion having a narrowing of section along the direction of displacement, and the cavity has a wall defining a second sealing portion which extends on either side of the conductive portion and which has a narrowing of section along the direction of displacement, the first sealing portion being in contact with the second sealing portion along a contact surface extending on either side of the conductive portion when the piston is in the second position.Type: GrantFiled: July 21, 2020Date of Patent: October 25, 2022Assignee: ARIANEGROUP SASInventors: Frédéric Marlin, Romain Lorenzon, Lun Brevet, Philippe Lopez
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Publication number: 20220262587Abstract: A pyrotechnic cut-off device includes: a pyrotechnic igniter, a conductive portion and a movable piston, the piston being able to be displaced in a cavity along a direction of displacement following the actuation of the pyrotechnic igniter between a first position of passage of the current in the conductive portion and a second position of cut-off of the current, wherein the piston defines a first sealing portion having a narrowing of section along the direction of displacement, and the cavity has a wall defining a second sealing portion which extends on either side of the conductive portion and which has a narrowing of section along the direction of displacement, the first sealing portion being in contact with the second sealing portion along a contact surface extending on either side of the conductive portion when the piston is in the second position.Type: ApplicationFiled: July 21, 2020Publication date: August 18, 2022Applicant: ARIANEGROUP SASInventors: Frédéric MARLIN, Romain LORENZON, Lun BREVET, Philippe LOPEZ
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Publication number: 20210082645Abstract: A pyrotechnic circuit breaker includes a body, a piston slidably mounted in the body along a first direction, the piston having a first protrusion including a cutting edge, a pyrotechnic igniter, and a bus bar. The piston is adapted to move from a raised position to a lowered position to cut the bus bar into two distinct portions upon activation of the pyrotechnic igniter. The piston further includes a second protrusion extending from the lower face over a greater distance than the first protrusion. The bus bar includes an aperture aligned along the first direction with the second protrusion, the second protrusion and the aperture being adapted to cooperate such that the second protrusion is engaged in the aperture when the piston moves from the first position to the second position.Type: ApplicationFiled: May 3, 2018Publication date: March 18, 2021Inventors: Frédéric MARLIN, Jean-Paul NADEAU, Romain LORENZON
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Patent number: 10886088Abstract: A pyrotechnic cut-off device to be connected to an electrical circuit to cut-off, includes a pyrotechnic initiator, a first and a second conductive portion each intended to be connected to the electrical circuit, the second portion being connected in parallel with the first portion and including two conductive elements separated by an insulating segment, at least one of the conductive elements provided with a first fuse element connected in series which is configured to trip when the intensity of the current passing therethrough exceeds a first predetermined value, and a first and a second insulating protrusion, each protruding from a lower face of a movable piston and the first and the second protrusions being located respectively in front of the first portion and the insulating segment. The pyrotechnic initiator is configured to switch the cut-off device from a first current passage configuration to a second current cut-off configuration.Type: GrantFiled: September 25, 2018Date of Patent: January 5, 2021Assignee: MERSEN FRANCE SB SASInventors: Alexandre Mathieu, Romain Lorenzon, Jean-François De Palma, Rémy Ouaida
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Publication number: 20200321181Abstract: A pyrotechnic cut-off device to be connected to an electrical circuit to cut-off, includes a pyrotechnic initiator, a first and a second conductive portion each intended to be connected to the electrical circuit, the second portion being connected in parallel with the first portion and including two conductive elements separated by an insulating segment, at least one of the conductive elements provided with a first fuse element connected in series which is configured to trip when the intensity of the current passing therethrough exceeds a first predetermined value, and a first and a second insulating protrusion, each protruding from a lower face of a movable piston and the first and the second protrusions being located respectively in front of the first portion and the insulating segment. The pyrotechnic initiator is configured to switch the cut-off device from a first current passage configuration to a second current cut-off configuration.Type: ApplicationFiled: September 25, 2018Publication date: October 8, 2020Inventors: Alexandre MATHIEU, Romain LORENZON, Jean-François DE PALMA, Rémy OUAIDA
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Publication number: 20200279711Abstract: A pyrotechnic switching device comprising a first and a second pyrotechnic initiators, and a body in which are present: an electrically conductive portion, and a mobile switching element having an insulating relief facing the conductive portion. The device also comprises a fuse element connected in series with the conductive portion, the first initiator being connected to the terminals of the fuse element so that tripping the fuse element actuates the first initiator, each initiator being configured to cause the device to switch from a current conducting configuration to a current interrupting configuration, the mobile switching element being set in motion toward the conductive portion in order to break it by the impact of the relief during switching from the first to the second configuration.Type: ApplicationFiled: November 13, 2018Publication date: September 3, 2020Applicants: ARIANEGROUP SAS, MERSEN FRANCE SB SASInventors: Alexandre MATHIEU, Romain LORENZON, Jean-François DE PALMA
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Publication number: 20190393008Abstract: A pyrotechnic short-circuiter has a body including a first chamber in communication with a pyrotechnic initiator; a second chamber having present therein a support in the form of a slide having present thereon two conductive parts, the support defining a housing, each conductive part having a deformable end portion, and a piston having a fitted conductive element, the pyrotechnic initiator being configured to cause the piston to pass from a first position in which the conductive element is disengaged from the end portions to a second position in which the conductive element is inserted in the housing and is in contact with each deformable end portion, the deformable end portions, in the second position, being deformed and exerting a holding force serving to block the conductive element in position in the housing.Type: ApplicationFiled: December 14, 2017Publication date: December 26, 2019Inventors: Philippe LOPEZ, Guillaume MARTY, Ludovic LEGLIZE, Romain LORENZON
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Patent number: 10128074Abstract: A pyrotechnic circuit breaker ,comprising a body, an igniter, a piston a bus bar, wherein the piston comprises a cutting edge and is adapted to move along a normal direction from a raised position to a lowered position to cut a portion of the bus bar, thereby separating the bus bar into two distinct portions in order to break the electrical conduction of the bus bar.Type: GrantFiled: September 8, 2015Date of Patent: November 13, 2018Assignee: Arianegroup SASInventors: Romain Lorenzon, Jean-Paul Nadeau, Frédéric Marlin
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Patent number: 10072912Abstract: A pyrotechnic gas generator for driving an actuator includes a body defining a combustion chamber housing a main pyrotechnic charge, and an ignitor for initiating combustion of the main pyrotechnic charge. The pyrotechnic gas generator includes at least one delay chamber adapted to communicate with the combustion chamber via at least one inlet orifice, and the delay chamber is provided with at least one outlet orifice for passing gas out from the gas generator. The at least one outlet orifice is provided with a seal adapted to pass from a closed state to an open state when the pressure inside the delay chamber reaches a rupture limit pressure.Type: GrantFiled: May 16, 2014Date of Patent: September 11, 2018Assignee: ARIANEGROUP SASInventors: Frederic Marlin, Romain Lorenzon, Raphael Teoldi
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Publication number: 20170263402Abstract: A pyrotechnic circuit breaker (1), comprising a body (2), an igniter (4), a piston (5) and a bus bar (6), wherein wherein the piston (5) comprises a cutting edge (51) and is adapted to move along a normal direction (Z-Z) from a raised position to a lowered position to cut a portion of the bus bar (6), thereby separating the bus bar (6) into two distinct portions in order to break the electrical conduction of the bus bar (6), wherein the body (2) comprises a longitudinal slot (21) arranged through a longitudinal direction (X-X) of the body (2), perpendicular to the normal direction (Z-Z), wherein the bus bar (6) and the longitudinal slot (21) are configured so that the bus bar (6) can be slidably inserted within the insertion slot (21), characterized in that the pyrotechnic circuit breaker (1) further comprises a drawer (7) adapted to be slidably inserted within the longitudinal slot (21) of the body (2), so that once inserted in the body (2), the drawer (7) and the body (2) define an insertion slot through thType: ApplicationFiled: September 8, 2015Publication date: September 14, 2017Applicant: AIRBUS SAFRAN LAUNCHERS SASInventors: Romain LORENZON, Jean-Paul NADEAU, Frédéric MARLIN
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Patent number: 9418807Abstract: A normally closed electric switch having a sliding assembly that is actuated to open the switch, e.g. by a pyrotechnic gas generator. Prior to actuation, a conductive portion of the sliding assembly (21) is in tight contact with two rings (13a, 14a) that are axially offset on the same axis, belonging respectively to two electrically conductive tabs (13, 14), and after the actuator has been triggered, the upstream tab (13) is separated from the conductive portion of the sliding assembly. According to the invention, sliding assembly comprises a tube split by a slot extending along its entire length, and the conductive portion of the sliding assembly is constituted by all or part of said split tube, the clamping force between the conductive portion and the primary electrically conductive tabs being provided by the resilience of the split tube.Type: GrantFiled: June 26, 2013Date of Patent: August 16, 2016Assignee: HERAKLESInventors: Frederic Marlin, Romain Lorenzon
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Publication number: 20160131459Abstract: A pyrotechnic gas generator for driving an actuator includes a body defining a combustion chamber housing a main pyrotechnic charge, and an ignitor for initiating combustion of the main pyrotechnic charge. The pyrotechnic gas generator includes at least one delay chamber adapted to communicate with the combustion chamber via at least one inlet orifice, and the delay chamber is provided with at least one outlet orifice for passing gas out from the gas generator. The at least one outlet orifice is provided with a seal adapted to pass from a closed state to an open state when the pressure inside the delay chamber reaches a rupture limit pressure.Type: ApplicationFiled: May 16, 2014Publication date: May 12, 2016Applicant: HERAKLESInventors: Frederic MARLIN, Romain LORENZON, Raphael TEOLDI
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Publication number: 20150206681Abstract: A normally closed electric switch having a sliding assembly that is actuated to open the switch, e.g. by a pyrotechnic gas generator. Prior to actuation, a conductive portion of the sliding assembly (21) is in tight contact with two rings (13a, 14a) that are axially offset on the same axis, belonging respectively to two electrically conductive tabs (13, 14), and after the actuator has been triggered, the upstream tab (13) is separated from the conductive portion of the sliding assembly. According to the invention, sliding assembly comprises a tube split by a slot extending along its entire length, and the conductive portion of the sliding assembly is constituted by all or part of said split tube, the clamping force between the conductive portion and the primary electrically conductive tabs being provided by the resilience of the split tube.Type: ApplicationFiled: June 26, 2013Publication date: July 23, 2015Inventors: Frédéric Marlin, Romain Lorenzon