Patents by Inventor Radovan SEIFRIED

Radovan SEIFRIED 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: 20230202536
    Abstract: A carrier assembly for a chassis of a rail vehicle, i.e., for a vehicle-side, railway safety or control device, i.e., an antenna carrier assembly connectable to a chassis frame, includes a carrier device that is connectable in an articulated and elastic manner to at least one first longitudinal member of the chassis frame and is additionally supportable in an articulated. and elastic manner on at least the chassis frame or at least one further chassis component, wherein the carrier device is connectable to the at least first longitudinal member via a pendulum support, and the carrier device is L-shaped, where a first limb of the carrier device can be connected to the at least first longitudinal member via the pendulum support such that a stable mounting of the carrier device is made possible and stress is relieved from the chassis frame when the carrier device is connected to the chassis frame.
    Type: Application
    Filed: March 25, 2021
    Publication date: June 29, 2023
    Inventors: Alexander PRIX, Christian MOSER, Radovan SEIFRIED
  • Patent number: 11198452
    Abstract: A chassis for a rail vehicle, in particular with inboard wheel sets, with at least one transmission, at least one transversely mounted drive motor and at least one chassis frame, wherein the chassis frame includes at least one crossmember and at least a first longitudinal carrier and a second longitudinal carrier, where at least a first elastic bearing, a second elastic bearing and a third elastic bearing are arranged between the drive motor and the chassis frame, and where in each case one of the elastic bearings is arranged on at least one of the longitudinal carriers in order to provide advantageous construction conditions.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: December 14, 2021
    Assignee: SIEMENS MOBILITY AUSTRIA GMBH
    Inventors: Marko Falkenstein, Christian Kueter, Klaus Montesi-Heimerl, Martin Teichmann, Gerhard Weilguni, Stefan Zierler, Xabier Gonzalez Larrache, Radovan Seifried
  • Patent number: 11091181
    Abstract: A device for securing braking devices to a chassis frame of a rail vehicle forming a cross-member of the chassis frame that has a longitudinal axis, and includes at least two securing points for braking devices, wherein the securing points are spaced apart from the cross-member in a longitudinal direction which lies normal to the longitudinal axis, where at least one respective securing point is arranged at the end on a continuous brake carrier having an open cross section, where a connector is provided, via which the brake carrier is both connected to the cross-member and is spaced apart from the cross-member in a vertical direction to reduce the weight and so as not to simultaneously increase the warp stiffness of the chassis frame.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: August 17, 2021
    Assignee: SIEMENS MOBILITY AUSTRIA GMBH
    Inventors: Christian Moser, Radovan Seifried
  • Patent number: 10766509
    Abstract: A longitudinal support and a transverse support for a chassis frame of a rail vehicle, wherein the longitudinal support includes a first box-shaped connection portion having a sectionally straight first circumferential edge for connection to the transverse support, where the transverse support has a second box-shaped connection portion having a sectionally straight second circumferential edge for connection to the longitudinal support within a transverse direction of the chassis frame, respectively on the end side, and where the first and second circumferential edges are each configured as four first and second connection edges to achieve a reduction of the weight of the longitudinal support and of the transverse support, and to lower the twisting rigidity of the chassis frame, where the connection edges are separated from each other by first and second recesses.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: September 8, 2020
    Assignee: SIEMENS MOBILITY AUSTRIA GMBH
    Inventors: Markus Hubmann, Radovan Seifried
  • Patent number: 10676111
    Abstract: A device for force transfer between a chassis frame and a carriage body of a rail vehicle includes a plurality of lemniscate links which are connected to the chassis frame via first joints, a yoke having a middle linking point in which the carriage body can be mounted, wherein the plurality of lemniscate links are connected to the yoke via second joints and form a Z-shaped assembly, where elastically deformable elements are arranged in the in the yoke and the first and second joints, and includes limiting means for receiving impact loads that exceed the operating load so as to limit the maximum deflection of the middle linking point of the yoke in a tractive force direction parallel to a tractive force acting on the chassis frame.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: June 9, 2020
    Assignee: SIEMENS MOBILITY AUSTRIA GMBH
    Inventors: Christian Karner, Radovan Seifried, Thomas Willidal
  • Patent number: 10625756
    Abstract: A wheelset guide for a rail vehicle, which has a bogie frame, includes at least one longitudinal support, and includes a wheelset bearing for a wheelset of the rail vehicle, wherein the wheelset bearing is connected to the bogie frame and includes a rocker that is pivotably attached to the bogie frame via an elastic rocker bearing, and a pin guided by the rocker bearing, where the bogie frame forms a receptacle for the rocker bearing, which is configured such that the force is introduced into the bogie frame via the rocker bearing itself, and the rocker bearing is positioned in the receptacle in order to improve the strength and stability of the attachment of the rocker to the bogie frame or to the longitudinal support with an open profile.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: April 21, 2020
    Assignee: SIEMENS MOBILITY AUSTRIA GMBH
    Inventors: Hugo Rackl, Radovan Seifried
  • Patent number: 10532752
    Abstract: A chassis frame for a rail vehicle includes a plurality of longitudinal beams formed as I-beams, wherein each longitudinal beam includes a longitudinal beam top flange, a longitudinal beam bottom flange and a web, a box-shaped transverse beam interconnecting the plurality of longitudinal beams, each longitudinal beam having a central section in which the longitudinal beam is connected to the transverse beam, where each longitudinal beam forms at least one wheelset guide bushing for connection to a wheelset guide, where a stiffening rib is arranged in each longitudinal beam on both sides of the web, and where the stiffening rib extends outward from the web in a transverse direction on both sides of the web and is configured such that the force flow from the wheelset guide bushing is conducted into the transverse beam such that the shear stiffness and transverse stiffness of the chassis frame is increased.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: January 14, 2020
    Assignee: Siemens Mobility GMBH
    Inventors: Markus Hubmann, Radovan Seifried
  • Patent number: 10457298
    Abstract: A chassis frame for a bogie of a rail vehicle which includes at least one longitudinal member having an upper chord and a lower chord, wherein the longitudinal member has at least one end portion, a central portion, and a transition portion lying between the end portion and the central portion, and the end portion of the longitudinal member is formed as a spring cup for receiving a primary spring, where in order to improve the rigidity curve between the spring cup and the transition portion the lower chord is provided with a curvature in the region of the transition portion, where the curvature is formed such that the imaginary extension of the lower chord and the upper chord itself or the imaginary extension of the upper chord intersect in the end portion.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: October 29, 2019
    Assignee: Siemens Mobility GMBH
    Inventors: Christian Karner, Radovan Seifried
  • Patent number: 10421466
    Abstract: A spring cup for a primary suspension of a rail vehicle, wherein the spring cup has a longitudinal axis and a spring base for transmitting occurring forces onto a chassis frame of the rail vehicle, and includes a spring seat for receiving at least one spring element, wherein the spring seat is supported against the spring base of the spring cup, where a central section of the spring seat is formed as a contact element having a contact surface for an emergency spring device, and the spring seat is configured such that a force acting on the contact surface is introduced into the spring base outside of the projection surface, resulting from the projection at least of the contact surface along the longitudinal axis onto the spring base in order to achieve a transfer of force from the center of the spring base.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: September 24, 2019
    Assignee: Siemens Mobility GMBH
    Inventors: Anton Diemling, Radovan Seifried
  • Patent number: 10207721
    Abstract: A bogie frame for a rail vehicle that includes two longitudinal supports formed as open and closed hollow profiles, and at least one transverse support, wherein the hollow profile of the longitudinal support is formed by wall elements having a defined thickness, wherein in order to reduce the weight of bogie frames in comparison to conventional bogies frames and to save on production costs, the longitudinal supports, in the region at which the at least one transverse support engages, is respectively provided in a wall element with at least one area having a reduced thickness.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: February 19, 2019
    Assignee: Siemens AG Österreich
    Inventors: Markus Hubmann, Radovan Seifried
  • Publication number: 20190031210
    Abstract: A chassis for a rail vehicle, in particular with inboard wheel sets, with at least one transmission, at least one transversely mounted drive motor and at least one chassis frame, wherein the chassis frame includes at least one crossmember and at least a first longitudinal carrier and a second longitudinal carrier, where at least a first elastic bearing, a second elastic bearing and a third elastic bearing are arranged between the drive motor and the chassis frame, and where in each case one of the elastic bearings is arranged on at least one of the longitudinal carriers in order to provide advantageous construction conditions.
    Type: Application
    Filed: January 26, 2017
    Publication date: January 31, 2019
    Inventors: Marko FALKENSTEIN, Christian KUETER, Klaus MONTESI-HEIMERL, Martin TEICHMANN, Gerhard WEILGUNI, Stefan ZIERLER, Xabier GONZALEZ LARRACHE, Radovan SEIFRIED
  • Publication number: 20180194375
    Abstract: A device for securing braking devices to a chassis frame of a rail vehicle forming a cross-member of the chassis frame that has a longitudinal axis, and includes at least two securing points for braking devices, wherein the securing points are spaced apart from the cross-member in a longitudinal direction which lies normal to the longitudinal axis, where at least one respective securing point is arranged at the end on a continuous brake carrier having an open cross section, where a connector is provided, via which the brake carrier is both connected to the cross-member and is spaced apart from the cross-member in a vertical direction to reduce the weight and so as not to simultaneously increase the warp stiffness of the chassis frame.
    Type: Application
    Filed: March 29, 2016
    Publication date: July 12, 2018
    Inventors: Christian Moser, Radovan SEIFRIED
  • Publication number: 20180065648
    Abstract: A device for force transfer between a chassis frame and a carriage body of a rail vehicle includes a plurality of lemniscate links which are connected to the chassis frame via first joints, a yoke having a middle linking point in which the carriage body can be mounted, wherein the plurality of lemniscate links are connected to the yoke via second joints and form a Z-shaped assembly, where elastically deformable elements are arranged in the in the yoke and the first and second joints, and includes limiting means for receiving impact loads that exceed the operating load so as to limit the maximum deflection of the middle linking point of the yoke in a tractive force direction parallel to a tractive force acting on the chassis frame.
    Type: Application
    Filed: February 11, 2016
    Publication date: March 8, 2018
    Inventors: Christian Karner, Radovan SEIFRIED, Thomas WILLIDAL
  • Publication number: 20180043910
    Abstract: A longitudinal support and a transverse support for a chassis frame of a rail vehicle, wherein the longitudinal support includes a first box-shaped connection portion having a sectionally straight first circumferential edge for connection to the transverse support, where the transverse support has a second box-shaped connection portion having a sectionally straight second circumferential edge for connection to the longitudinal support within a transverse direction of the chassis frame, respectively on the end side, and where the first and second circumferential edges are each configured as four first and second connection edges to achieve a reduction of the weight of the longitudinal support and of the transverse support, and to lower the twisting rigidity of the chassis frame, where the connection edges are separated from each other by first and second recesses.
    Type: Application
    Filed: February 18, 2016
    Publication date: February 15, 2018
    Inventors: Markus HUBMANN, Radovan SEIFRIED
  • Publication number: 20180029616
    Abstract: A chassis frame for a rail vehicle includes a plurality of longitudinal beams formed as I-beams, wherein each longitudinal beam includes a longitudinal beam top flange, a longitudinal beam bottom flange and a web, a box-shaped transverse beam interconnecting the plurality of longitudinal beams, each longitudinal beam having a central section in which the longitudinal beam is connected to the transverse beam, where each longitudinal beam forms at least one wheelset guide bushing for connection to a wheelset guide, where a stiffening rib is arranged in each longitudinal beam on both sides of the web, and where the stiffening rib extends outward from the web in a transverse direction on both sides of the web and is configured such that the force flow from the wheelset guide bushing is conducted into the transverse beam such that the shear stiffness and transverse stiffness of the chassis frame is increased.
    Type: Application
    Filed: February 24, 2016
    Publication date: February 1, 2018
    Inventors: Markus HUBMANN, Radovan SEIFRIED
  • Publication number: 20170341662
    Abstract: A wheelset guide for a rail vehicle, which has a bogie frame. Includes at least one longitudinal support, and includes a wheelset bearing for a wheelset of the rail vehicle, wherein the wheelset bearing is connected to the bogie frame and includes a rocker that is pivotably attached to the bogie frame via an elastic rocker bearing, and a pin guided by the rocker bearing, where the bogie frame forms a receptacle for the rocker bearing, which is configured such that the force is introduced into the bogie frame via the rocker hearing itself, and the rocker bearing is positioned in the receptacle in order to improve the strength and stability of the attachment of the rocker to the bogie frame or to the longitudinal support with an open profile.
    Type: Application
    Filed: October 13, 2015
    Publication date: November 30, 2017
    Applicant: Siemens AG Oesterreich
    Inventors: Hugo RACKL, Radovan SEIFRIED
  • Publication number: 20170334467
    Abstract: A spring cup for a primary suspension of a rail vehicle, wherein the spring cup has a longitudinal axis and a spring base for transmitting occurring forces onto a chassis frame of the rail vehicle, and includes a spring seat for receiving at least one spring element, wherein the spring seat is supported against the spring base of the spring cup, where a central section of the spring seat is formed as a contact element having a contact surface for an emergency spring device, and the spring seat is configured such that a force acting on the contact surface is introduced into the spring base outside of the projection surface, resulting from the projection at least of the contact surface along the longitudinal axis onto the spring base in order to achieve a transfer of force from the center of the spring base.
    Type: Application
    Filed: October 13, 2015
    Publication date: November 23, 2017
    Inventors: Anton DIEMLING, Radovan SEIFRIED
  • Publication number: 20170291618
    Abstract: A chassis frame for a bogie of a rail vehicle which includes at least one longitudinal member having an upper chord and a lower chord, wherein the longitudinal member has at least one end portion, a central portion, and a transition portion lying between the end portion and the central portion, and the end portion of the longitudinal member is formed as a spring cup for receiving a primary spring, where in order to improve the rigidity curve between the spring cup and the transition portion the lower chord is provided with a curvature in the region of the transition portion, where the curvature is formed such that the imaginary extension of the lower chord and the upper chord itself or the imaginary extension of the upper chord intersect in the end portion.
    Type: Application
    Filed: August 12, 2015
    Publication date: October 12, 2017
    Inventors: Christian KARNER, Radovan SEIFRIED
  • Publication number: 20170096150
    Abstract: A bogie frame for a rail vehicle that includes two longitudinal supports formed as open and closed hollow profiles, and at least one transverse support, wherein the hollow profile of the longitudinal support is formed by wall elements having a defined thickness, wherein in order to reduce the weight of bogie frames in comparison to conventional bogies frames and to save on production costs, the longitudinal supports, in the region at which the at least one transverse support engages, is respectively provided in a wall element with at least one area having a reduced thickness.
    Type: Application
    Filed: February 25, 2015
    Publication date: April 6, 2017
    Inventors: Markus HUBMANN, Radovan SEIFRIED