Patents by Inventor Stefan Fäth

Stefan Fäth 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).

  • Patent number: 11353082
    Abstract: 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: Grant
    Filed: May 8, 2018
    Date of Patent: June 7, 2022
    Assignee: SAF-Holland GmbH
    Inventors: Stefan Fäth, Stefan Wallmeier, Kerstin Bonness
  • Patent number: 11325436
    Abstract: 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: Grant
    Filed: May 2, 2018
    Date of Patent: May 10, 2022
    Assignee: SAF-HOLLAND GmbH
    Inventors: Stefan Fäth, Stefan Wallmeier
  • Patent number: 11148495
    Abstract: 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: Grant
    Filed: September 19, 2017
    Date of Patent: October 19, 2021
    Assignee: SAF-HOLLAND GmbH
    Inventors: Stefan Fäth, Stefan Wallmeier, Stephan Dehlwes
  • Publication number: 20200254841
    Abstract: 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: Application
    Filed: October 18, 2016
    Publication date: August 13, 2020
    Inventors: Stefan Fäth, Thomas Josef Naber
  • Publication number: 20200191226
    Abstract: 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: Application
    Filed: May 8, 2018
    Publication date: June 18, 2020
    Inventors: Stefan Fäth, Stefan Wallmeier, Kerstin Bonness
  • Publication number: 20200062061
    Abstract: 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: Application
    Filed: May 2, 2018
    Publication date: February 27, 2020
    Inventors: Stefan Fäth, Stefan Wallmeier
  • Patent number: 10562363
    Abstract: 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: Grant
    Filed: May 25, 2016
    Date of Patent: February 18, 2020
    Assignee: SAF-HOLLAND GmbH
    Inventors: Stefan Fäth, Stefan Wallmeier
  • Publication number: 20190248202
    Abstract: 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: Application
    Filed: September 19, 2017
    Publication date: August 15, 2019
    Inventors: Stefan Fäth, Stefan Wallmeier, Stephan Dehlwes
  • Publication number: 20180178609
    Abstract: 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: Application
    Filed: May 25, 2016
    Publication date: June 28, 2018
    Applicant: SAF-HOLLAND GmbH
    Inventors: Stefan Fäth, Stefan Wallmeier
  • Publication number: 20160298712
    Abstract: 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: Application
    Filed: December 5, 2014
    Publication date: October 13, 2016
    Applicant: SAF-HOLLAND GmbH
    Inventors: Michael Weber, Stefan Fäth