Patents by Inventor Ralf Hartramph

Ralf Hartramph 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: 11035697
    Abstract: A sensor system that simultaneously detects the positions of multiple movable carriages along a motion path. The sensor system includes a plurality of sensors arranged at least along a subsection of the motion path, wherein each sensor is designed for a contactless detection of a measuring element provided on each movable carriage. The sensor system also includes a processing device, which is connected electrically with the sensors and which is designed for a synchronous detection of sensor signals of the sensors.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: June 15, 2021
    Assignee: FESTO SE & CO. KG
    Inventors: Ralf Hartramph, Fabian Albert, Andreas Veit
  • Patent number: 10833572
    Abstract: An electric linear motor having a motor housing which is penetrated by an armature recess, in which a first magnet arrangement is accommodated in a stationary manner and in which an armature which has a second magnet arrangement is accommodated to be linearly movable along a movement path, wherein at least one of the magnet arrangements includes comprises a magnetic flux guide configured as a profile body and having at least one cross-sectional taper which is configured for a local increase of a flux resistance for a magnetic flux in the magnetic flux guide which is oriented along a movement path, wherein the cross-sectional taper has in the transverse direction to the movement path an extension which is less than an extension of the profile body the transverse direction to the movement path.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: November 10, 2020
    Assignee: FESTO SE & CO. KG
    Inventors: Ralf Hartramph, Martin Rapp, Andreas Braig
  • Patent number: 10657777
    Abstract: A sensor with a signal strip, a segment with such a signal strip and a sensor, a linear drive and an installation, wherein the signal strip is assigned in each case to at least one segment, where the signal strip indicates a state of the segment and/or the state of a runner, where the at least one runner is moved by a respective segment, the state is assigned by a sensor assigned to the respective segment and is presented to a user who services the installation, in particular the linear drive of the installation, such the time interval for servicing the installation or the linear drive can be reduced because the operator of the linear drive immediately identifies the state of the respective runner or the respective segment.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: May 19, 2020
    Assignees: Siemens Aktiengesellschaft, FESTO AG & CO.
    Inventors: Reinhold Hamik, Fabian Albert, Ralf Hartramph, Andreas Veit
  • Publication number: 20200041309
    Abstract: A sensor system for detecting a position of a measuring element movable along a motion path, having a sensor arrangement, which includes a plurality of sensors arranged at least along a subsection of the motion path, which in each case are designed for a contactless detection at least of one physical dimension dependent on a position of a measuring element along the motion path as well as for a provision at least of one sensor signal dependent on the a least one determined physical dimension, as well as having a processing device, which is connected electrically with the sensors and which is designed for a processing of the sensor signals to form at least one position signal, which represents the position at least of one measuring element along the motion path, wherein the processing device is designed for a synchronous detection of sensor signals of the sensors.
    Type: Application
    Filed: October 9, 2019
    Publication date: February 6, 2020
    Inventors: Ralf Hartramph, Fabian Albert, Andreas Veit
  • Publication number: 20180301970
    Abstract: An electric linear motor having a motor housing which is penetrated by an armature recess, in which a first magnet arrangement is accommodated in a stationary manner and in which an armature which has a second magnet arrangement is accommodated to be linearly movable along a movement path, wherein at least one of the magnet arrangements includes comprises a magnetic flux guide configured as a profile body and having at least one cross-sectional taper which is configured for a local increase of a flux resistance for a magnetic flux in the magnetic flux guide which is oriented along a movement path, wherein the cross-sectional taper has in the transverse direction to the movement path an extension which is less than an extension of the profile body the transverse direction to the movement path.
    Type: Application
    Filed: October 14, 2016
    Publication date: October 18, 2018
    Inventors: Ralf Hartramph, Martin Rapp, Andreas Braig
  • Patent number: 10103672
    Abstract: A stator segment for a linear motor-based transport system is developed to the effect that a transmitter for cyclic transmission of a control data record in a first clock cycle also transmits, in addition to transmitting the control data record, a position value in a clock-synchronized manner, wherein a plurality of positions are available as a sequence with a quantity of elements and an element with an index corresponds to a position, where the transmitter unit is configured such that, upon every first clock cycle, the index is incremented commencing from a starting value and an element is transmitted after the control data record, where the transmitter unit is furthermore configured to transmit all elements in one transmission interval, and where the transmission interval corresponds to a multiple of the first clock cycle.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 16, 2018
    Assignees: Siemens Aktiengesellschaft, Festo AG & Co. KG
    Inventors: Fabian Albert, Marco Gierden, Ralf Hartramph, Michael Jaentsch, Sven Rothe, Carsten Spindler, Andreas Veit
  • Patent number: 9989380
    Abstract: A method for ascertaining a position error in a linear drive, a linear drive, a method for operating the linear drive and an installation, wherein the deviation of a respective further runner in relation to a first runner (reference runner) is ascertained to determine the position error, where the discrepancy of the respective sensor is ascertained based on the deviation of the runner, the discrepancy may be ascertained using a reference system, the position error may be established based on the discrepancy of the respective sensor PS and the deviation of the respective runner, and where the position error may serve for the improved positioning, i.e., more precise positioning, of the respective runner on the linear drive or of the segments.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: June 5, 2018
    Assignees: Siemens Aktiengesellschaft, Festo AG & Co. KG
    Inventors: Fabian Albert, Ralf Hartramph, Chris Hofmann, Michael Jaentsch, Sven Rothe, Carsten Spindler, Andreas Veit
  • Publication number: 20170310262
    Abstract: A stator segment for a linear motor-based transport system is developed to the effect that a transmitter for cyclic transmission of a control data record in a first clock cycle also transmits, in addition to transmitting the control data record, a position value in a clock-synchronized manner, wherein a plurality of positions are available as a sequence with a quantity of elements and an element with an index corresponds to a position, where the transmitter unit is configured such that, upon every first clock cycle, the index is incremented commencing from a starting value and an element is transmitted after the control data record, where the transmitter unit is furthermore configured to transmit all elements in one transmission interval, and where the transmission interval corresponds to a multiple of the first clock cycle.
    Type: Application
    Filed: April 17, 2017
    Publication date: October 26, 2017
    Inventors: Fabian ALBERT, Marco GIERDEN, Ralf HARTRAMPH, Michael JAENTSCH, Sven ROTHE, Carsten SPINDLER, Andreas VEIT
  • Publication number: 20170305671
    Abstract: A method for ascertaining a position error in a linear drive, a linear drive, a method for operating the linear drive and an installation, wherein the deviation of a respective further runner in relation to a first runner (reference runner) is ascertained to determine the position error, where the discrepancy of the respective sensor is ascertained based on the deviation of the runner, the discrepancy may be ascertained using a reference system, the position error may be established based on the discrepancy of the respective sensor PS and the deviation of the respective runner, and where the position error may serve for the improved positioning, i.e., more precise positioning, of the respective runner on the linear drive or of the segments.
    Type: Application
    Filed: April 6, 2017
    Publication date: October 26, 2017
    Inventors: Fabian ALBERT, Ralf HARTRAMPH, Chris HOFMANN, Michael JAENTSCH, Sven ROTHE, Carsten SPINDLER, Andreas VEIT
  • Publication number: 20170309139
    Abstract: A sensor with a signal strip, a segment with such a signal strip and a sensor, a linear drive and an installation, wherein the signal strip is assigned in each case to at least one segment, where the signal strip indicates a state of the segment and/or the state of a runner, where the at least one runner is moved by a respective segment, the state is assigned by a sensor assigned to the respective segment and is presented to a user who services the installation, in particular the linear drive of the installation, such the time interval for servicing the installation or the linear drive can be reduced because the operator of the linear drive immediately identifies the state of the respective runner or the respective segment.
    Type: Application
    Filed: April 6, 2017
    Publication date: October 26, 2017
    Inventors: Reinhold HAMIK, Fabian ALBERT, Ralf HARTRAMPH, Andreas VEIT
  • Publication number: 20170307408
    Abstract: A sensor system for detecting a position of a measuring element movable along a motion path, having a sensor arrangement, which includes a plurality of sensors arranged at least along a subsection of the motion path, which in each case are designed for a contactless detection at least of one physical dimension dependent on a position of a measuring element along the motion path as well as for a provision at least of one sensor signal dependent on the a least one determined physical dimension, as well as having a processing device, which is connected electrically with the sensors and which is designed for a processing of the sensor signals to form at least one position signal, which represents the position at least of one measuring element along the motion path, wherein the processing device is designed for a synchronous detection of sensor signals of the sensors.
    Type: Application
    Filed: April 21, 2017
    Publication date: October 26, 2017
    Inventors: Ralf Hartramph, Fabian Albert, Andreas Veit
  • Patent number: 9496815
    Abstract: A method for operating a linear motor assembly includes: open-loop controlled introduction of electric energy to a first stator segment provided with solenoids for an open-loop controlled provision of a magnetic field for a permanent magnet arrangement of a conveying means for a generation of drive forces, and closed-loop controlled introduction of electric energy to a second stator segment provided with a measuring device for a detection of a position of a conveying means and with solenoids for a closed-loop controlled provision of a magnetic field acting on the conveying means, wherein a controlling device effects a temporary switch-over of the second stator segment from a closed-loop controlled state to an open-loop controlled state at a transition of the conveying means from the first stator segment to the second stator segment, and/or at a transition of the conveying means from the second stator segment to the first stator segment.
    Type: Grant
    Filed: December 14, 2013
    Date of Patent: November 15, 2016
    Assignee: FESTO AG & CO. KG
    Inventors: Dominic Kadynski, Jan Reimer, Benjamin Klein, Ralf Hartramph
  • Publication number: 20160190966
    Abstract: A method for operating a linear motor assembly includes: open-loop controlled introduction of electric energy to a first stator segment provided with solenoids for an open-loop controlled provision of a magnetic field for a permanent magnet arrangement of a conveying means for a generation of drive forces, and closed-loop controlled introduction of electric energy to a second stator segment provided with a measuring device for a detection of a position of a conveying means and with solenoids for a closed-loop controlled provision of a magnetic field acting on the conveying means, wherein a controlling device effects a temporary switch-over of the second stator segment from a closed-loop controlled state to an open-loop controlled state at a transition of the conveying means from the first stator segment to the second stator segment, and/or at a transition of the conveying means from the second stator segment to the first stator segment.
    Type: Application
    Filed: December 14, 2013
    Publication date: June 30, 2016
    Inventors: Dominic KADYNSKI, Jan REIMER, Benjamin KLEIN, Ralf HARTRAMPH
  • Patent number: 7598697
    Abstract: A motor and a method for serves finding the position of an armature in relation to a stator of the motor.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: October 6, 2009
    Assignee: Festo AG & Co.
    Inventors: Christian Welk, Michael Apel, Ralf Hartramph
  • Publication number: 20080042610
    Abstract: A motor and a method for serves finding the position of an armature in relation to a stator of the motor.
    Type: Application
    Filed: June 26, 2007
    Publication date: February 21, 2008
    Inventors: Christian Welk, Michael Apel, Ralf Hartramph
  • Patent number: 7323798
    Abstract: An electrodynamic direct drive includes an armature that travels within a housing and a drive system for moving armature in relation to housing. The drive system has two drive means, that are moved in relation to each other in the form of a coil system with at least one coil and a magnet system with at least one permanent magnet to move a load driver coupled with the armature. A displacement measurement space is defined by an end face of the armature and walls of the housing and/or the surface of the internally placed drive means. A sensor detects position of the armature within the housing by electromagnetic waves. The distance of the armature from the sensor is measured on the basis of the transit time of electromagnetic waves.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: January 29, 2008
    Assignee: Festo AG & Co.
    Inventors: Ralf Hartramph, Matthias Finkbeiner, Thomas Reininger
  • Publication number: 20050121985
    Abstract: An electrodynamic direct drive and more particularly a linear drive, comprises an armature adapted to travel within a housing, a drive system for moving such armature in relation to said housing, such drive system having two drivingly cooperating drive means, able to be moved in relation to each other, in the form of a coil system with at least one coil, and a magnet system with at least one permanent magnet in order to move a load driver coupled with the armature. In accordance with the invention, a displacement measurement space is defined by an end face of the armature and the walls of the housing and/or the surface of the internally placed drive means.
    Type: Application
    Filed: November 19, 2004
    Publication date: June 9, 2005
    Inventors: Ralf Hartramph, Matthias Finkbeiner, Thomas Reininger
  • Patent number: 6787944
    Abstract: An electrodynamic direct linear drive (1) has a coil system (2) with a plurality of coaxially sequentially following drive coils (3). In the interior or on the external periphery of the coil system (2) a magnet system (6) is arranged, which is designed in the form of a component of an output part (8) able to be moved in relation to the coil system (2). On the opposite side of the magnet system (6) a return circuit means (15) is arranged internally or externally of the coil system (2). In order to achieve a high energy density axially adjacent drive coils (3) contact each other directly. Furthermore a method for the production of the coil system (2) is provided.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: September 7, 2004
    Assignee: Festo AG & Co.
    Inventors: Matthias Finkbeiner, Ralf Hartramph
  • Publication number: 20040100152
    Abstract: An electrodynamic direct linear drive (1) has a coil system (2) with a plurality of coaxially sequentially following drive coils (3). In the interior or on the external periphery of the coil system (2) a magnet system (6) is arranged, which is designed in the form of a component of an output part (8) able to be moved in relation to the coil system (2). On the opposite side of the magnet system (6) a return circuit means (15) is arranged internally or externally of the coil system (2). In order to achieve a high energy density axially. adjacent drive coils (3) contact each other directly. Furthermore a method for the production of the coil system (2) is provided.
    Type: Application
    Filed: March 26, 2003
    Publication date: May 27, 2004
    Inventors: Matthias Finkbeiner, Ralf Hartramph
  • Patent number: 6700227
    Abstract: A direct electrodynamic linear drive comprising a drive coil system composed of coils arranged in a row alongside each other on an elongated ferromagnetic core, which coil is able to be supplied with a switched exciting voltage. The drive coil system has a ferromagnetic tube fitting around it, on whose inner side a plurality of permanent magnets are arranged in a row in the longitudinal direction of the tube. The core provided with the drive coil system is adapted to function as a stator and the tube having the permanent magnets as an armature. In this arrangement the ferromagnetic tube serves as a guide tube, as a magnetic return member and as a holder means for the permanent magnets, the possibility of a simple and accurate longitudinal guiding of the tube meaning that elongated units with a small cross section may be manufactured.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: March 2, 2004
    Assignee: Festo AG & Co.
    Inventor: Ralf Hartramph