Patents Assigned to Autoliv Developments AB
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Patent number: 8807595Abstract: A curtain airbag for mitigating vehicle occupant ejection. The curtain airbag is stored in the upper portion of a side face section in the interior of a vehicle and is inflated and deployed along the side face section. The curtain airbag includes a front chamber partitioned at the frontmost side of an inflation region. The front chamber is inflated and deployed overlapping a divider-bar that separates a side window from a front pillar window.Type: GrantFiled: August 25, 2011Date of Patent: August 19, 2014Assignee: Autoliv Development ABInventors: Yuuki Nakamura, Yutaka Nakajima
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Patent number: 8794666Abstract: A pyrotechnic gas generator intended for motor-vehicle safety includes a combustion chamber of cylindrical or approximately cylindrical shape. An initiator is located within the combustion chamber and is associated with at least one solid pyrotechnic charge. A diffusion chamber communicates with the combustion chamber and receives gases generated by the pyrotechnic charge and transfers the gases to atmosphere via at least one evacuation opening. The diffusion chamber extends parallel to the longitudinal axis of the combustion chamber, in the extension of one of its end faces. The diffusion chamber is also of generally cylindrical or approximately cylindrical shape, but with a cross section that is less than that of the combustion chamber. The diffusion chamber is devoid of structure for filtering the gases that pass therethrough.Type: GrantFiled: June 5, 2009Date of Patent: August 5, 2014Assignee: Autoliv Development ABInventors: Yvonnig Patton, François Peremarty
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Patent number: 8783713Abstract: An airbag device with an airbag module (1) for attachment to a structural part of a motor vehicle with a housing (2), an airbag (3) arranged therein, a gas generator (4), as well as a support (5) via which the airbag module (1) can be attached to a motor vehicle component, wherein a fastener (41) is positioned on a gas generator (4) via which the gas generator (4) can be attached to the housing (2) and/or the support (5). On the support (5) and/or on the housing (2) at least one spacer (21, 51) is provided between the housing (2) and the support (5), between the housing (2) and the gas generator (4), and/or between the support (5) and the gas generator (3), in the form of cavities in which a discharge channel (22, 52) is constructed in the plane of the intermediate area formed by the spacers (21, 51).Type: GrantFiled: November 29, 2011Date of Patent: July 22, 2014Assignee: Autoliv Development ABInventors: Nathan Muscat, Gweltaz Jacq
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Patent number: 8777269Abstract: A self-locking belt retractor with a belt shaft which is mounted rotatably in a frame having a belt-sensitive a blocking device. A disc cam (1) mounted rotatably on the belt shaft, is pretensioned by a spring in the extension direction of the seat belt and on which an inertial mass (5) is mounted pivotably about a pivot axis (S). A projection (11) limits relative movement between the inertial mass (5) and the disc cam (1) is provided on the inertial mass (5) and/or on the disc cam (1).Type: GrantFiled: September 10, 2011Date of Patent: July 15, 2014Assignee: Autoliv Development ABInventors: Uwe Bosse, Volkmar Heine, Klaus Werner Butenop
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Patent number: 8777147Abstract: A seat belt device includes a spindle 11 for retracting a seat belt 13, an electric actuator 55, a pre-tensioner 14 and a power transmission mechanism 20, wherein the power transmission mechanism 20 can reversibly switch the connection and disconnection between the electric actuator 55 and the spindle 11 before the pre-tensioner 14 is activated, while when the pre-tensioner 14 is activated, the power transmission mechanism 20 non-reversibly interrupts the connection between the electric actuator 55 and the spindle 11.Type: GrantFiled: May 18, 2006Date of Patent: July 15, 2014Assignee: Autoliv Development ABInventors: Eiji Maemura, Yukinori Midorikawa, Masuo Matsuki
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Patent number: 8777260Abstract: An airbag unit with an airbag (10) encloses a gas compartment, an inflator, and a housing (20) containing the folded airbag. A holding device (40) having a first and a second section (42, 44) is provided, the first section (42) is connected to the housing (20), and the second section (44) can be detached from, the first section (42) upon an electrical signal. The holding device detachably fastens a tensioning element, whose first end is connected to the airbag, and its second end is connected to the housing (20) via the holding device (40) when the first and second sections (42 or 44) are connected. The holding device second section (44) is arranged inside the gas compartment, and a hole (13) is provided in the airbag (10), through which an ignition cable plug socket, an ignition lead (50) or the holding device first section (42) protrudes.Type: GrantFiled: March 28, 2012Date of Patent: July 15, 2014Assignee: Autoliv Development ABInventors: Armin Kränzle, Stephan Schellbronn
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Patent number: 8770622Abstract: An airbag for a vehicle comprising an inflatable portion and lugs arranged at the periphery of the inflatable portion. The airbag is made of a one-piece-woven technology having a structure made of warp threads and weft threads. The airbag further comprises a marking for enabling a detection of an incorrect attachment of the airbag at the vehicle. The marking is realized by a coded weaving structure in at least one lug.Type: GrantFiled: September 2, 2011Date of Patent: July 8, 2014Assignee: Autoliv Development ABInventors: Mark Donais, Bryan Walston, Ugo Zanier, Pamela Knight
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Patent number: 8770507Abstract: A self-locking belt retractor has a vehicle-sensitive controlled blocking system in which a mass (14) moves a locking lever (17) engaged in the toothing (29) of a controlled disk. The sensor mass (14) is fitted in a holder part (10) on a support surface (23) that can be tilted in case of vehicle accelerations, the locking lever (17) on the end (19) facing away from the engaging tip (18) being connected to the sensor mass (14) in a form-fitting manner and forming a support (21). A form fit occurs in an extension (15) of the sensor mass (14) which protrudes through a hole (33) in the contact surface (23) of the holder part (10). A projection (31) projecting into a hole (33) is provided at the border of the hole (33) facing the locking lever (17) that is contacted by the locking lever (17) in case of a deflection.Type: GrantFiled: November 2, 2010Date of Patent: July 8, 2014Assignee: Autoliv Development ABInventors: Uwe Evers, Ronald Jabusch, Barbara Hantel
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Publication number: 20140174868Abstract: A vehicle steering wheel structure which, while having a configuration in which small damper masses are arranged in a distributed manner, can secure the same highly efficient vibration reducing effect as when a large damper mass is arranged, without increasing the required installation space and the cost. The vehicle steering wheel structure includes a plurality of damper masses arranged so as to be distributed in an inner region of a rim portion of a steering wheel; a connection member that connects these damper masses; and a damper module disposed in the inner region of the rim portion.Type: ApplicationFiled: April 12, 2012Publication date: June 26, 2014Applicant: Autoliv Development ABInventors: Yousuke Kato, Hiroyasu Kumagawa, Norihisa Shiraishi
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Patent number: 8752781Abstract: A safety belt retractor for motor vehicles having a locking system controllable in a belt webbing-sensitive and/or vehicle-sensitive manner, a locking pawl (12) mounted on the belt shaft (1) which locking pawl can be moved into engagement with a housing-fixed tooth, wherein the locking system can be deactivated at least within a range of a predetermined belt extraction length, wherein a locking element (10) is provided for deactivating the locking system which locking element can be moved depending on the belt extraction length from a first position releasing the locking pawl (12) to a second position fixing the locking pawl (12).Type: GrantFiled: October 15, 2009Date of Patent: June 17, 2014Assignee: Autoliv Development ABInventors: Guillem Aranda, Volkmar Heine
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Patent number: 8752859Abstract: A fastening arrangement has an airbag module housing for receiving an airbag and a gas generator, and a firing channel (3) to which the airbag module housing can be fixed via form-fitting elements (21). The form-fitting elements (21) enter into engagement with correspondingly designed receiving devices (311), and a flange (20) with passage openings (200) for the passage of fasteners for the final fastening of the airbag module housing (2) to the firing channel (3) or an instrument panel is arranged on the airbag module housing (2).Type: GrantFiled: February 4, 2010Date of Patent: June 17, 2014Assignee: Autoliv Development ABInventors: Michael Morawietz, Marco Broussard
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Patent number: 8740125Abstract: A seatbelt retractor having a switching device with a gas generator and a switch housing having a gas generator housing portion for accommodating the gas generator and a gas flow path that communicates with the gas generator housing portion so that gas generated by the gas generator passes through the gas flow path. Further, the gas generator housing portion and the gas flow path are formed in the switch housing in a curved shape, and a die-cut hole extending in a direction of the gas flow path on an opposite side of the gas flow path to the gas generator housing portion is blocked from the gas flow path by the gas generator.Type: GrantFiled: March 31, 2010Date of Patent: June 3, 2014Assignee: Autoliv Development ABInventors: Kiyoshi Ogawa, Katsuyasu Ono, Yuichi Hamano
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Patent number: 8733788Abstract: A method of forming a fabric for an air-bag, the method comprising providing a plurality of yarns, each yarn being formed from a plurality of individual fibres; applying an activatable additive or coating to each yarn, the additive or coating initially not being activated and wherein, prior to activation, the additive or coating presents little or no impedance to the relative movement of the fibres within the yarn and, following activation, the additive or coating binds fibres within the yarn to one another to prevent or hinder relative movement of the fibres in the yarn with respect to one another; and passing the yarns through an activation zone including a compressing component which applies a compressive force to the yarns, the additive or coating being activated as the yarns pass through the activation zone so that the yarns each have a substantially flat configuration.Type: GrantFiled: March 17, 2011Date of Patent: May 27, 2014Assignee: Autoliv Development ABInventors: Hugh Finn, Ralf Koehnen, David Stow, Gary Wootton, Altay Kismir, Will Winzinger, Gonzalo Alves
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Patent number: 8727061Abstract: A pedestrian airbag arrangement for a vehicle includes an airbag covering at least a part of the windscreen and/or at least a part of at least one A-pillar of the vehicle when it is in deployed state, an inflator in fluid connection to the airbag, and a retraction means for retracting the airbag. The retraction means includes a triggering means and a retractor retracting the airbag when released by the triggering means. In order to provide an automatic retraction of the airbag, the triggering means is activated by the airbag.Type: GrantFiled: January 11, 2012Date of Patent: May 20, 2014Assignee: Autoliv Development ABInventors: Erik Rydsmo, Mikael Hillström, Ulf Magnusson, Florian Pucher, Ralf Zauritz, Ulrich Koestler
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Patent number: 8727257Abstract: A seat belt retractor for a safety belt of a motor vehicle having a belt shaft (1) rotatably mounted in a frame, a profile head (2) lockable in relation to the frame, a load limiting device (20) located between the profile head (2) and the belt shaft (1) for enabling the belt shaft (1) to undergo a load limited rotation in the belt webbing extraction direction (A) with the profile head (2) being locked and a load limiting level predetermined by the load limiting device (20) being exceeded.Type: GrantFiled: May 28, 2010Date of Patent: May 20, 2014Assignee: Autoliv Development ABInventors: Bengt Dahlquist, Erik Arthur Rydsmo, Fredrik Wigström
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Patent number: 8720945Abstract: A gas generator includes a pyrotechnic charge contained in a chamber delimited by a wall and by two transversal walls. At least one of the walls comprises at least one through hole. A covering sheet in the form of a box is located facing the through hole. A seal gasket is provided between the sheet and one of the walls. The seal gasket is positioned between the first tubular part of the covering sheet and the wall for ensuring the seal between the box and the wall towards the through hole.Type: GrantFiled: April 15, 2011Date of Patent: May 13, 2014Assignee: Autoliv Development ABInventors: Gérald Prima, Sébastien Kermarrec, Maxime Lejeune, Philippe Moullec
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Patent number: 8722553Abstract: A woven airbag fabric includes a first type of filament yarn, at least a second type of filament yarn and a silicone-based coating. The first type of filament yarn is chosen from the group of polyolefin filament yarns. The at least a second type of filament yarn is chosen from the group of polyamide and polyester filament yarns.Type: GrantFiled: November 6, 2009Date of Patent: May 13, 2014Assignee: Autoliv Development ABInventor: Mats Johansson
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Patent number: 8720946Abstract: A gas generator has two pyrotechnic charges in two chambers having openings for gas outlet to the outside. Only the first chamber is provided with an igniter for first charge. The chambers are separated by a third wall with a through hole for permanent gas communication, sealed in an initial state by a cap. The cap is configured to be broken under the pressure of the combustion gases from first charge to keep the hole opened permanently and allow the combustion gases from the first charge to go via the hole kept permanently opened from a first chamber to a second chamber, where these gases induce the combustion of charge.Type: GrantFiled: April 15, 2011Date of Patent: May 13, 2014Assignee: Autoliv Development ABInventors: Gérald Prima, Sébastien Kermarrec, Maxime Lejeune, Gildas Clech
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Patent number: 8714585Abstract: An airbag in which no choking occurs and which can be rapidly deployed. A cushion section of the airbag internally accommodates a cylinder-type inflator that includes an insertion hole for inserting the inflator from an outside to an inside, and a diffuser into which the inflator is inserted, and a diffuser having a tubular portion obtained by folding back a section of cloth to form symmetrical portions with an upper base formed by the folded back part and a lower base formed by adjacent ends of the symmetrical portions. The cushion section is folded back at both lateral sides of the along first folding lines that are substantially orthogonal to a longitudinal direction of the diffuser.Type: GrantFiled: February 2, 2011Date of Patent: May 6, 2014Assignee: Autoliv Development ABInventors: Masakazu Okamoto, Akifumi Hanawa, Takashi Ohshima
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Publication number: 20140109349Abstract: What is described is a buckle cap for a belt buckle having two interconnected half-shells (10, 20) and connecting units which connect both half-shells (10, 20) to one another. Each connecting unit comprises at least one hole in each half-shell (10, 20) and a connecting pin (30) which is ribbed at least in certain sections, wherein one section of the connecting pin (30) is situated in the hole of the first connecting unit (10) and a second section of the connecting pin (30) is situated in the hole of the second half-shell (20). In order to achieve an easy mounting capability the hole in the first half-shell (10) is a through-hole (12) through which the connecting pin (30, 30?) extends completely, and the connecting pin (30, 30?) has a head (34, 34?) which is thickened with respect to the sections situated in the holes, said head adjoining the section of the connecting pin (30) which extends through the through-hole (12) and being situated outside the through-hole (12).Type: ApplicationFiled: May 7, 2011Publication date: April 24, 2014Applicant: Autoliv Development ABInventors: Joakim Blank, Wolf-Ulrich Wachter, Jan Christoph Storch