Patents by Inventor Stefan Bachmann

Stefan Bachmann 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).

  • Publication number: 20240114951
    Abstract: A filter material is described for manufacturing a nicotine delivery product, wherein the filter material is hydroentangled and contains at least 50% and at most 100% cellulose fibers, each with respect to the mass of the filter material, wherein the filter material has a basis weight of at least 25 g/m2 and at most 60 g/m2, and wherein the filter material has a structure that is characterized in that it provides the filter material with a transparency that, measured in accordance with DIN 53147:1993-01, is at least 45% and at most 70%. Furthermore, a segment comprising a filter material for a nicotine delivery product, a smoking article which comprises such a segment, an oral nicotine delivery product, and a process for the manufacture of the filter material are described.
    Type: Application
    Filed: February 15, 2022
    Publication date: April 11, 2024
    Inventor: Stefan BACHMANN
  • Publication number: 20230284678
    Abstract: A filter material for manufacturing a segment of a smoking article is described, wherein the filter material comprises a hydro-entangled nonwoven and the nonwoven comprises fibers, wherein the fibers are selected from the group consisting of pulp fibers, fibers of regenerated cellulose and mixtures thereof, and these fibers are together contained in the nonwoven in an amount of at least 50% and at most 100% of the mass of the hydro-entangled nonwoven, and wherein the nonwoven is in the form of a web, has a longitudinal direction in the running direction of the web, a cross direction orthogonal thereto and lying in the plane of the web and a thickness direction orthogonal to longitudinal direction and the cross direction. The nonwoven is shaped such that it has a wave structure in the plane formed by the cross direction and the thickness direction with a wave height of at least 50 µm and at most 1000 µm, as well as a wave length (22, 32, 42) of at least 150 µm and at most 5000 µm.
    Type: Application
    Filed: July 22, 2021
    Publication date: September 14, 2023
    Inventors: Dietmar Volgger, Stefan Bachmann
  • Patent number: 11667256
    Abstract: The invention relates to an airbag module (10) for a vehicle steering wheel (6), comprising a module base (12) for fixed mounting on the vehicle steering wheel (6), which module base has a base opening (14), and a vibration absorber ring (16) for fastening a gas generator (18) to the module base (12) such that said gas generator can vibrate. The vibration absorber ring (16) has a ring axis (A) and a mounting flange (20) for the gas generator (18). The vibration absorber ring (16) has a resilient absorber wall (22), starting from the mounting flange (20), which absorber wall extends in an axial direction toward the module base (12) and extends around the ring axis (A) in the circumferential direction. The vibration absorber ring (16) has a plurality of resilient absorber feet (24) for fastening to the module base (12), which absorber feet extend in the axial direction.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: June 6, 2023
    Assignee: ZF AUTOMOTIVE SAFETY GERMANY GMBH
    Inventor: Stefan Bachmann
  • Publication number: 20230085537
    Abstract: The disclosure relates to a coupling device for securing an airbag module to a steering wheel main body of a vehicle steering wheel. The coupling device comprises: a securing body which has, relative to a steering wheel axis, an axial lower face that faces the steering wheel main body when the vehicle steering wheel is assembled, and an axial upper face that faces the airbag module when the vehicle steering wheel is assembled. An engagement element is disposed on the upper face of the securing body, for engaging with the airbag module. The engagement element is designed so that the airbag module can be coupled to the securing body by an engagement connection in such a manner that it cannot be substantially axially displaced or it can be limitedly axially displaced. An electronic control unit is provided and the securing body at least partly forms a housing of the electronic control unit.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 16, 2023
    Inventors: Stefan Bachmann, Dominik Schütz
  • Publication number: 20230016316
    Abstract: The invention relates to a filter material for a smoking product, comprising a nonwoven material, wherein the nonwoven material is hydro-entangled, the hydro-entangled nonwoven material contains min. 50% and max. 90% wood cellulose fibres, min. 10% and max. 50% fibres from regenerated cellulose and less than 30% non-natural polymers, in relation to the mass of the hydro-entangled nonwoven material, and together the amount of wood cellulose fibres and fibres from regenerated cellulose make up at least 70% of the mass of the hydro-entangled nonwoven material, and the hydro-entangled nonwoven material has a density of min 100 kg/m3 and max. 300 kg/m3 and a thickness of min. 100 ?m and max. 1000 ?m. The invention also relates to a segment with the filter material, a smoking product and a production method.
    Type: Application
    Filed: December 13, 2019
    Publication date: January 19, 2023
    Inventors: Dietmar Volgger, Stefan Bachmann
  • Patent number: 11491926
    Abstract: The invention relates to a wiring harness (10) for an airbag module of a vehicle occupant safety system, particularly for a driver's airbag module, having a connector (11) for connecting to a pyrotechnic igniter of the airbag module, at least one module connecting cable (12) connected to the connector (11) for connecting the connector (11) to a vehicle wiring harness, and at least one actuator unit (13) having a pyrotechnic actuator (17) and an actuator connecting cable (14) which is formed integrally with the actuator unit (13) and is connected to the connector (11). The invention further relates to an airbag module, vehicle cabling and a vehicle occupant safety system having a wiring harness of this kind and to a method of production.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: November 8, 2022
    Assignee: TRW AUTOMOTIVE SAFETY SYSTEMS GMBH
    Inventors: Johannes Morhart, Marco Tumminello, Joao Ribeiro, Stefan Bachmann, Alexander Bott, Bernd Stransfeld, Andreas Fleckenstein
  • Patent number: 11465577
    Abstract: The invention relates to a spring element (10) for fastening an airbag module (12) to a vehicle steering wheel (14), having a first spring section (16) which extends from a tool access point (P) via a first bearing point (18) as far as a first free spring end (20), and a second spring section (22) which extends from the tool access point (P) via a second bearing point (24) as far as a second free spring end (26), wherein the tool access point (P) is spaced apart from a connecting section (28) between the two free spring ends (20, 26), wherein the tool access point (P) is spaced apart from a connecting section (28) between the two free spring ends (20, 26) and is displaceable in an actuating direction (x) toward the connecting section (28), and wherein the spring sections (16, 22) are shaped such that the free spring ends (20, 26) move toward each other or away from each other during a displacement of the tool access point (P) in the actuating direction (x) if the first bearing point (18) and the second bearin
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: October 11, 2022
    Assignee: ZF AUTOMOTIVE SAFETY GERMANY GMBH
    Inventor: Stefan Bachmann
  • Patent number: 11370377
    Abstract: The invention relates to a vehicle steering wheel (10) having a steering wheel axis (A) about which the vehicle steering wheel (10) can be rotated in the installed state, a steering wheel carcass (12) which has a hub section (14) in the region of the steering wheel axis (A), and a separate latching peg (18) for latching with an airbag module (20), which extends in the axial direction (22) and can be mounted on the steering wheel carcass (12), wherein the hub section (14) of the steering wheel carcass (12) has a rigid carcass hook (24) for latching with the airbag module (20), which extends in the axial direction (22), wherein the latching peg (18) adjoins the carcass hook (24) and partially surrounds same in the circumferential direction. The invention also relates to a steering wheel assembly having a vehicle steering wheel (10) of this kind.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: June 28, 2022
    Assignee: ZF AUTOMOTIVE SAFETY GERMANY GMBH
    Inventors: Dominik Schütz, Stefan Bachmann
  • Patent number: 11180192
    Abstract: The invention relates to a vibration absorber ring (10) for fastening a gas generator (12) to a vehicle steering wheel (14), in a manner capable of vibrating, with a ring axis (A), a support portion (18) for fastening the vibration absorber ring (10) to a holding element, and an absorber portion (22) for fastening the gas generator (16) to the vibration absorber ring (10), wherein an elastic damping element (24) is provided, which extends in the axial direction from the absorber portion (22) towards a free end (26) and, between the absorber portion (22) and the free end (26), has a fastening element (28) for the gas generator (12), wherein the support portion (18) and the absorber portion (22) are spaced apart from each other in the axial direction.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: November 23, 2021
    Assignee: TRW AUTOMOTIVE SAFETY SYSTEMS GMBH
    Inventors: Stefan Bachmann, Joao Ribeiro, Marco Tumminello, Constantin Von Roden, Johannes Morhart, Christian Keschke, Gregor Eck, Sascha Schneider, Jurgen Burgard
  • Patent number: 11083217
    Abstract: Disclosed herewith is a filter paper for manufacturing filters for smoking articles, in particular filter cigarettes, with the following properties the filter paper comprises fibers comprising pulp fibers, at least 80% by weight, preferably at least 90% by weight, particularly preferably at least 95% by weight and highly particularly preferably 100% by weight of the filter paper is formed by long-fiber pulp fibers, of the fibers, a proportion with respect to the number of the fibers of between 2% and 10%, preferably between 3% and 9% and particularly preferably between 4% and 8% has a length of less than 0.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: August 10, 2021
    Assignee: delfortgroup AG
    Inventors: Stefan Bachmann, Christian Mair, Dietmar Volgger
  • Publication number: 20210229618
    Abstract: The invention relates to a vehicle steering wheel (10) having a steering wheel axis (A) about which the vehicle steering wheel (10) can be rotated in the installed state, a steering wheel carcass (12) which has a hub section (14) in the region of the steering wheel axis (A), and a separate latching peg (18) for latching with an airbag module (20), which extends in the axial direction (22) and can be mounted on the steering wheel carcass (12), wherein the hub section (14) of the steering wheel carcass (12) has a rigid carcass hook (24) for latching with the airbag module (20), which extends in the axial direction (22), wherein the latching peg (18) adjoins the carcass hook (24) and partially surrounds same in the circumferential direction. The invention also relates to a steering wheel assembly having a vehicle steering wheel (10) of this kind.
    Type: Application
    Filed: April 30, 2019
    Publication date: July 29, 2021
    Inventors: Dominik Schutz, Stefan Bachmann
  • Publication number: 20210195939
    Abstract: A segment of a smoking article is shown, comprising a fiber-based web material and a wrapping material, which wraps the fiber-based web material, wherein the fiber-based web material comprises at least 40% pulp fibers and less than 10% non-natural polymers, respectively with respect to the mass of the web material, has a basis weight of at least 10 g/m2 and at most 70 g/m2, and has a thickness of at least 25 m and at most 400 ?m, wherein said web material in the segment has an area of at least 20 cm2 and at most 90 cm2 per cm3 volume of the segment, wherein the segment without the wrapping material has a density of at least 50 kg/m3 and at most 300 kg/m3, and wherein a parameter Z, which is defined by Z=?Web+5·?seg+12·AWeb, satisfies the inequality 1300?Z?2800, wherein ?Web is the density of the web material in kg/m3, ?Seg is the density of the segment without wrapping material in kg/m3, and AWeb is the area of the web material per volume of the segment in cm2/cm3.
    Type: Application
    Filed: October 8, 2019
    Publication date: July 1, 2021
    Inventors: Dietmar Volgger, Stefan Bachmann
  • Publication number: 20210122320
    Abstract: The invention relates to an airbag module (10) for a vehicle steering wheel (6), comprising a module base (12) for fixed mounting on the vehicle steering wheel (6), which module base has a base opening (14), and a vibration absorber ring (16) for fastening a gas generator (18) to the module base (12) such that said gas generator can vibrate. The vibration absorber ring (16) has a ring axis (A) and a mounting flange (20) for the gas generator (18). The vibration absorber ring (16) has a resilient absorber wall (22), starting from the mounting flange (20), which absorber wall extends in an axial direction toward the module base (12) and extends around the ring axis (A) in the circumferential direction. The vibration absorber ring (16) has a plurality of resilient absorber feet (24) for fastening to the module base (12), which absorber feet extend in the axial direction.
    Type: Application
    Filed: August 3, 2018
    Publication date: April 29, 2021
    Inventor: Stefan Bachmann
  • Publication number: 20200384937
    Abstract: The invention relates to a spring element (10) for fastening an airbag module (12) to a vehicle steering wheel (14), having a first spring section (16) which extends from a tool access point (P) via a first bearing point (18) as far as a first free spring end (20), and a second spring section (22) which extends from the tool access point (P) via a second bearing point (24) as far as a second free spring end (26), wherein the tool access point (P) is spaced apart from a connecting section (28) between the two free spring ends (20, 26), wherein the tool access point (P) is spaced apart from a connecting section (28) between the two free spring ends (20, 26) and is displaceable in an actuating direction (x) toward the connecting section (28), and wherein the spring sections (16, 22) are shaped such that the free spring ends (20, 26) move toward each other or away from each other during a displacement of the tool access point (P) in the actuating direction (x) if the first bearing point (18) and the second bearin
    Type: Application
    Filed: August 10, 2018
    Publication date: December 10, 2020
    Applicant: ZF Automotive Safety Germany GmbH
    Inventor: Stefan BACHMANN
  • Patent number: 10773673
    Abstract: The invention relates to a cable conduit device for connection cables of an airbag module, comprising at least one cable duct (10) that includes retaining means (11) for at least one cable (30), and at least one contact plug (20) to be connected to a coil spring on a steering column; the contact plug (20) is or can be coupled in a twist-proof manner to the cable duct (10).
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: September 15, 2020
    Assignee: TRW AUTOMOTIVE SAFETY SYSTEMS GMBH
    Inventors: Stefan Bachmann, Matthias Helmstetter, Dieter Rumpf, Alexandra Knecht
  • Publication number: 20200216007
    Abstract: The invention describes an airbag (10) for a vehicle occupant restraint system, wherein the airbag (10) in the inflated state includes a front side (24) forming an occupant impact surface and an opposite rear side (22). The front side (24) and the rear side (22) are formed by shell portions (14, 16) of the airbag (10) being connected to each other at their outer edges (34, 36). The front side (24) is longer along a centerline (M) extending in the longitudinal direction of the airbag (10) than the rear side (22) so that, in the inflated state, the airbag (10) takes a curved shape. The front side (24) has at least one shaping line (42) extending substantially curved and transversely to the centerline (M) at which shaping line two shell portions (34, 36) are connected to each other. The respective outer edges (34, 36) of the front side (24) and the respective outer edges (34, 36) of the rear side (22) are of the same overall length.
    Type: Application
    Filed: August 7, 2018
    Publication date: July 9, 2020
    Inventor: Stefan Bachmann
  • Publication number: 20200189658
    Abstract: The invention relates to a vibration absorber ring (10) for fastening a gas generator (12) to a vehicle steering wheel (14), in a manner capable of vibrating, with a ring axis (A), a support portion (18) for fastening the vibration absorber ring (10) to a holding element, and an absorber portion (22) for fastening the gas generator (16) to the vibration absorber ring (10), wherein an elastic damping element (24) is provided, which extends in the axial direction from the absorber portion (22) towards a free end (26) and, between the absorber portion (22) and the free end (26), has a fastening element (28) for the gas generator (12), wherein the support portion (18) and the absorber portion (22) are spaced apart from each other in the axial direction.
    Type: Application
    Filed: August 24, 2017
    Publication date: June 18, 2020
    Inventors: Stefan Bachmann, Joao Ribeiro, Marco Tumminello, Constantin Von Roden, Johannes Morhart, Christian Keschke, Gregor Eck, Sascha Schneider, Jurgen Burgard
  • Publication number: 20200189496
    Abstract: The invention relates to a wiring harness (10) for an airbag module of a vehicle occupant safety system, particularly for a driver's airbag module, having a connector (11) for connecting to a pyrotechnic igniter of the airbag module, at least one module connecting cable (12) connected to the connector (11) for connecting the connector (11) to a vehicle wiring harness, and at least one actuator unit (13) having a pyrotechnic actuator (17) and an actuator connecting cable (14) which is formed integrally with the actuator unit (13) and is connected to the connector (11). The invention further relates to an airbag module, vehicle cabling and a vehicle occupant safety system having a wiring harness of this kind and to a method of production.
    Type: Application
    Filed: October 24, 2017
    Publication date: June 18, 2020
    Inventors: Johannes Morhart, Marco Tumminello, Joao Ribeiro, Stefan Bachmann, Alexander Bott, Bernd Stransfeld, Andreas Fleckenstein
  • Publication number: 20190059443
    Abstract: Disclosed herewith is a filter paper for manufacturing filters for smoking articles, in particular filter cigarettes, with the following properties the filter paper comprises fibers comprising pulp fibers, at least 80% by weight, preferably at least 90% by weight, particularly preferably at least 95% by weight and highly particularly preferably 100% by weight of the filter paper is formed by long-fiber pulp fibers, of the fibers, a proportion with respect to the number of the fibers of between 2% and 10%, preferably between 3% and 9% and particularly preferably between 4% and 8% has a length of less than 0.
    Type: Application
    Filed: January 24, 2017
    Publication date: February 28, 2019
    Inventors: Stefan Bachmann, Christian Mair, Dietmar Volgger
  • Patent number: 10154687
    Abstract: A cigarette paper is disclosed that contains at least one burn additive the concentration c(x) of which varies along a direction x of the cigarette paper. For the position-dependent concentration c(x) over an interval of length L, for x over the interval [0,L], ƒ(x)??c?c(x)?ƒ(x)+?c. In this regard, 3 cm?L?11 cm, ƒ(x) is monotonic over the interval [0,L], but not a constant function over the entire interval, and ?c?1% by weight, preferably ?0.7% by weight and particularly preferably ?0.5% by weight, and especially preferably ?0.3% by weight and particularly preferably ?0.15% by weight and ?c>0% by weight, each with respect to the mass of the cigarette paper.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: December 18, 2018
    Assignee: delfortgroup AG
    Inventors: Dietmar Volgger, Stefan Bachmann