Patents by Inventor Stefan Faeth
Stefan Faeth 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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Patent number: 11353082Abstract: A closure device for an air spring system that includes an auxiliary vessel and an air spring device attachable to a link for an air spring system of a utility vehicle, wherein the closure device, in the installed state, seals off a fluid channel for gas exchange between the air spring device and the auxiliary vessel.Type: GrantFiled: May 8, 2018Date of Patent: June 7, 2022Assignee: SAF-Holland GmbHInventors: Stefan Fäth, Stefan Wallmeier, Kerstin Bonness
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Patent number: 11325436Abstract: An air spring system for a commercial vehicle including an air spring device configured to be arranged in an interface region on a link, the air spring system configured such that, in the case of locking of the air spring device, an engagement element can be introduced into a receiving region, and, by way of an offset movement along an offset direction, the engagement element can be transferred from the receiving region into a positively locking region, in which the engagement element interacts in a positively locking manner with a positively locking element along a positively locking direction which differs from the offset direction.Type: GrantFiled: May 2, 2018Date of Patent: May 10, 2022Assignee: SAF-HOLLAND GmbHInventors: Stefan Fäth, Stefan Wallmeier
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Air spring system, vehicle having an air spring system, and method for mounting an air spring system
Patent number: 11148495Abstract: An air spring system for a vehicle axle includes a link element which can be pivotably arranged on a vehicle frame for mounting the vehicle axle, an air spring which can be arranged on the link element and has a piston, and an additional reservoir, the link element having an upper side which faces the vehicle frame and a lower side which faces away from the vehicle frame, the additional reservoir being configured to be mounted on the lower side of the link element, and the air spring being configured to be mounted on the upper side of the link element.Type: GrantFiled: September 19, 2017Date of Patent: October 19, 2021Assignee: SAF-HOLLAND GmbHInventors: Stefan Fäth, Stefan Wallmeier, Stephan Dehlwes -
Publication number: 20200254841Abstract: An arm end for a trailing arm, in particular for commercial vehicles, comprising a main body which configures a working volume for an air spring system, the main body having an access region which is designed to provide an access into the working volume, characterized in that a large part of the working volume is configured substantially below the access region.Type: ApplicationFiled: October 18, 2016Publication date: August 13, 2020Inventors: Stefan Fäth, Thomas Josef Naber
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Publication number: 20200191226Abstract: A closure device for an air spring system that includes an auxiliary vessel and an air spring device attachable to a link for an air spring system of a utility vehicle, wherein the closure device, in the installed state, seals off a fluid channel for gas exchange between the air spring device and the auxiliary vessel.Type: ApplicationFiled: May 8, 2018Publication date: June 18, 2020Inventors: Stefan Fäth, Stefan Wallmeier, Kerstin Bonness
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Publication number: 20200062061Abstract: An air spring system for a commercial vehicle including an air spring device configured to be arranged in an interface region on a link, the air spring system configured such that, in the case of locking of the air spring device, an engagement element can be introduced into a receiving region, and, by way of an offset movement along an offset direction, the engagement element can be transferred from the receiving region into a positively locking region, in which the engagement element interacts in a positively locking manner with a positively locking element along a positively locking direction which differs from the offset direction.Type: ApplicationFiled: May 2, 2018Publication date: February 27, 2020Inventors: Stefan Fäth, Stefan Wallmeier
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Patent number: 10562363Abstract: Support unit for use on an air spring, having a main body and a reinforcement element, wherein the main body has a first contact side for fixing to the chassis of a utility vehicle, wherein the reinforcement element is fixable to a second contact side of the main body and is designed for supporting a plunger of an air spring, wherein the reinforcement element is formed from a material of higher strength and/or hardness than the main body.Type: GrantFiled: May 25, 2016Date of Patent: February 18, 2020Assignee: SAF-HOLLAND GmbHInventors: Stefan Fäth, Stefan Wallmeier
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AIR SPRING SYSTEM, VEHICLE HAVING AN AIR SPRING SYSTEM, AND METHOD FOR MOUNTING AN AIR SPRING SYSTEM
Publication number: 20190248202Abstract: An air spring system for a vehicle axle includes a link element which can be pivotably arranged on a vehicle frame for mounting the vehicle axle, an air spring which can be arranged on the link element and has a piston, and an additional reservoir, the link element having an upper side which faces the vehicle frame and a lower side which faces away from the vehicle frame, the additional reservoir being configured to be mounted on the lower side of the link element, and the air spring being configured to be mounted on the upper side of the link element.Type: ApplicationFiled: September 19, 2017Publication date: August 15, 2019Inventors: Stefan Fäth, Stefan Wallmeier, Stephan Dehlwes -
Publication number: 20180178609Abstract: Support unit for use on an air spring, having a main body and a reinforcement element, wherein the main body has a first contact side for fixing to the chassis of a utility vehicle, wherein the reinforcement element is fixable to a second contact side of the main body and is designed for supporting a plunger of an air spring, wherein the reinforcement element is formed from a material of higher strength and/or hardness than the main body.Type: ApplicationFiled: May 25, 2016Publication date: June 28, 2018Applicant: SAF-HOLLAND GmbHInventors: Stefan Fäth, Stefan Wallmeier
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Publication number: 20160298712Abstract: The present invention relates to a rolling piston for an air spring damper in the field of commercial vehicles, having a piston section and a container section which are of hollow configuration and are connected to one another in a fluid-conducting manner, and a cover element, the cover element being connected to the container section, in order to form an additional volume container.Type: ApplicationFiled: December 5, 2014Publication date: October 13, 2016Applicant: SAF-HOLLAND GmbHInventors: Michael Weber, Stefan Fäth
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Publication number: 20130241181Abstract: In an airbag module (100) for a vehicle steering wheel comprising an inflator (110) and a device (130) for vibration damping on which the inflator (110) is mounted to be oscillating as vibration damper mass the device (130) for vibration damping is configured at least to damp a first device-specific frequency and a second device-specific frequency, wherein different excitation directions are associated with the first and second device-specific frequencies.Type: ApplicationFiled: March 11, 2013Publication date: September 19, 2013Applicant: TRW Automobile Safety Systems GmbHInventors: Stefan Faeth, Klaus Freudenberger, Michael Deckenhoff, Dirk Zimmermann, Ralf Krause
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Patent number: 7685905Abstract: A steering wheel for a motor vehicle includes a skeleton (10) and a rear-side covering part. The skeleton forms a hub (12), at least one spoke (14) and an upper part (16) of a steering wheel rim. The steering wheel also includes a rear-side covering part (18) made of plastic, which at least partially covers a lower area of the central part of the steering wheel and also constitutes a lower part of the steering wheel rim.Type: GrantFiled: May 12, 2005Date of Patent: March 30, 2010Assignee: TRW Automotive Safety Systems GmbHInventors: Michael Miltenberger, Stefan Faeth, Stefan Bachmann
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Publication number: 20070262573Abstract: A steering device (10) for a motor vehicle includes a steering wheel (12) and a gas bag (20) accommodated in the steering wheel (12). The steering wheel (12) is connected with a steering column (16) via a hub (14). The steering device (10) further includes a gas generator (22) which is able to be activated to fill the gas bag (20). The gas generator (22) is arranged on a side of the hub (14) facing away from the steering wheel (12) outside the steering column (16). The steering column (16) forms a part of a flow connection between the gas generator (22) and the gas bag (20) when the gas generator (22) is activated.Type: ApplicationFiled: May 8, 2007Publication date: November 15, 2007Inventors: Stefan Faeth, Matthias Helmstetter, Ralph Frisch, Toralf Mueller
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Patent number: 7290789Abstract: A vehicle steering device includes a steering wheel part coupled non-rotatably to a steering column and a central part which is stationary with regard to a rotation of the steering wheel part. The steering device further includes a gas bag module including a gas generator unit. The gas generator unit in the installed state of the gas bag module is a component of the steering wheel part. Another vehicle steering device also includes a steering wheel part coupled non-rotatably to a steering column and a central part which is stationary with respect to a rotation of the steering part. A gas bag module including a gas generator unit is housed in the stationary central part. The gas generator unit is connected electrically via a supply line with a control unit arranged outside the steering device. The supply line is guided from a first clock spring arranged in a stationary section of the steering device via a second clock spring arranged in the rotatable steering wheel part to the gas generator unit.Type: GrantFiled: July 21, 2004Date of Patent: November 6, 2007Assignee: TRW Automotive Safety Systems GmbHInventors: Martin Kreuzer, Ralph Frisch, René Neumann, Stefan Faeth, Heinz-Joerg Lefringhausen
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Publication number: 20060213315Abstract: A vehicle steering device (10) includes a steering wheel part which is non-rotatably coupled to a steering column (18) and a central part which is stationary with respect to a rotation of the steering wheel part. The vehicle steering device (10) further includes a gear unit (24) which converts a rotation of the steering wheel part in a first direction into a corresponding rotation of the central part in a second direction opposed to the first direction. The vehicle steering device (10) further includes a helically coiled spring (30) which carries leads for the electrical connection of functional units which are arranged on the central part.Type: ApplicationFiled: March 10, 2006Publication date: September 28, 2006Inventor: Stefan Faeth
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Publication number: 20060175815Abstract: An assembly for a vehicle steering wheel having a stationary central part includes a gas bag module (10). A clock spring (20) is arranged on the gas bag module (10). The clock spring (20) forms a pre-assembled installation unit together with the gas bag module (10).Type: ApplicationFiled: January 25, 2006Publication date: August 10, 2006Inventors: Stefan Faeth, Andreas Kienzner, Ralph Frisch
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Publication number: 20050284246Abstract: A gearing (56) for a vehicle steering device has a fixed central part. The gearing comprises a first pinion (64), an axis section (68) and a spring element (114). The first pinion (64) is coupled to the axis section (68). The first pinion (64) is formed from toothed first and second pinion parts (104, 108), which are braced against each other by means of the spring element (114). The gearing (56) is part of a steering device having a steering wheel part coupled non-rotatably to a steering column and a central part stationary with respect to a rotation of the steering wheel port.Type: ApplicationFiled: June 15, 2005Publication date: December 29, 2005Inventor: Stefan Faeth
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Publication number: 20050252332Abstract: A steering wheel for a motor vehicle includes a skeleton (10) and a rear-side covering part. The skeleton forms a hub (12), at least one spoke (14) and an upper part (16) of a steering wheel rim. The steering wheel also includes a rear-side covering part (18) made of plastic, which at least partially covers a lower area of the central part of the steering wheel and also constitutes a lower part of the steering wheel rim.Type: ApplicationFiled: May 12, 2005Publication date: November 17, 2005Inventors: Michael Miltenberger, Stefan Faeth, Stefan Bachmann
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Publication number: 20050017482Abstract: A vehicle steering device includes a steering wheel part coupled non-rotatably to a steering column and a central part which is stationary with regard to a rotation of the steering wheel part. The steering device further includes a gas bag module including a gas generator unit. The gas generator unit in the installed state of the gas bag module is a component of the steering wheel part. Another vehicle steering device also includes a steering wheel part coupled non-rotatably to a steering column and a central part which is stationary with respect to a rotation of the steering part. A gas bag module including a gas generator unit is housed in the stationary central part. The gas generator unit is connected electrically via a supply line with a control unit arranged outside the steering device. The supply line is guided from a first clock spring arranged in a stationary section of the steering device via a second clock spring arranged in the rotatable steering wheel part to the gas generator unit.Type: ApplicationFiled: July 21, 2004Publication date: January 27, 2005Inventors: Martin Kreuzer, Ralph Frisch, Rene Neumann, Stefan Faeth, Heinz-Joerg Lefringhausen