Patents by Inventor Tim Schafer

Tim Schafer 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: 8603655
    Abstract: In accordance with the invention, an accumulator comprises at least two galvanic cells that are electrically connected. The accumulator furthermore comprises a control device and at least one measuring device. The measuring device is suitable to determine at least one reading for at least one first functional parameter of a galvanic cell. The accumulator comprises a memory device which is assigned to the control device. The memory device is suitable for storing at least one target value of a first functional parameter. The accumulator furthermore comprises a computing unit. The computing unit is suitable for assigning at least two measured values and one pertinent target value to a first computed result. The measured values are the measured first functional parameters, respectively of at least two galvanic cells of the accumulator. The target value is a predetermined value in respect to the first functional parameter.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: December 10, 2013
    Assignee: Li-Tec Battery GmbH
    Inventors: Tim Schäfer, Andreas Gutsch
  • Publication number: 20130207614
    Abstract: A battery management system for monitoring and controlling a lithium-ion accumulator with at least one lithium-ion cell includes a central control device connected to a program storage device, a data storage device and a sensor interface device to monitor parameters of the lithium-ion cell. The system is configured to connect with at least one external sensor device for measuring at least one function parameter of a respective lithium-ion cell and includes an import device for importing an operation parameter of an assigned lithium-ion cell.
    Type: Application
    Filed: January 9, 2013
    Publication date: August 15, 2013
    Inventors: Tim Schafer, Andreas Gutsch
  • Patent number: 8434940
    Abstract: The present invention relates to an apparatus, which works according to galvanic principles, in particular to a lithium-ion accumulator or, respectively, a lithium-ion cell, with at least two electrode devices (10; 20), in particular, a cathode and an anode, in particular, a separator device (30), arranged between two electrode devices, the apparatus (2) comprises, according to the invention, at least one or a plurality of glass fibers (18, 28, 38) which are configured or, respectively, operable as temperature sensor. It can comprise a net (16, 26, 36) formed by glass fibers, or an arrangement of a plurality of glass fibers, which are arranged substantially in parallel to each other, wherein at least one glass fiber (18, 28, 38) is configured or operable as temperature sensor.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: May 7, 2013
    Assignee: Li-Tec Battery GmbH
    Inventors: Walter Lachenmeier, Tim Schäfer, Andreas Gutsch
  • Patent number: 8394527
    Abstract: The galvanic cell according to the invention comprises at least one current conductor and a casing. Said casing at least partially surrounds said galvanic cell. A contact area is assigned to said casing. The casing is at least partially materially engaged with the current conductor via the contact area. The casing comprises at least one first layer and one second layer. The materials of said first layer and said second layer of the casing are different in respect to at least one chemical material.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: March 12, 2013
    Assignee: Li-Tec Battery GmbH
    Inventors: Tim Schäfer, Andreas Gutsch
  • Patent number: 8322532
    Abstract: Packaging device (10, 10?, 10?) for packaging at least one object (12, 12?, 12?), that is essentially flat, in particular a valuable technical object, such as a lithium-ion cell, including: a bottom plate (14) having at least one first side rim (42), which is linear in regard to at least a part thereof, and at least one first cover plate (20) having at least one first side rim (46) which is linear in regard to at least one part thereof, which is hingeably linked to the first side rim (42) of the bottom plate (14) such that the cover plate (20) can be hinged between a closed position in which the cover plate at least partially covers the bottom plate, and an open position in which the cover plate is not opposite to the bottom plate, characterized in that the bottom plate (14) or the at least one cover plate (20) comprises on one side a cushioning layer (16, respectively 22), wherein the cushioned side faces the object (12, 12?, 12?) when said object is in the packaging and the at least one cover plate (20) is
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: December 4, 2012
    Inventors: Tim Schafer, Andreas Gutsch, Gunter Eichinger, Claus-Rupert Hohenthanner, Christian Junker, Magnus Mickel, Heike Schone
  • Publication number: 20110177385
    Abstract: A current collector (1) according to the invention has at least one substantially plate-like and preferably thin-walled core region (2). This core region contains at least one electrically conductive third material. The current collector also has a first surface region (3) comprising at least one first material. The current collector also has a second surface region (4) comprising at least one second material. In this case, the electrical conductivity of the first surface region is lower than that of the second surface region. Furthermore, this first surface region is bounded and/or spatially separated from this second surface region.
    Type: Application
    Filed: July 8, 2009
    Publication date: July 21, 2011
    Applicant: Li-Tec Battery GmbH
    Inventors: Jörg Kaiser, Claus-Rupert Hohenthanner, Günter Eichinger, Heike Schöne, Beatrice Schäfer, Mykola Polyakov, Tim Schäfer
  • Publication number: 20110052943
    Abstract: An electrical energy storage device includes at least one galvanic cell partly surrounded by a cell sheath, at least one heat-conducting device effectively connected to the galvanic cell, the heat-conducting device being suitable for supplying heat energy to the cell and/or conducting heat energy from the cell, a cell holding device enclosing an interior space at least partially with a wall, the interior space being suitable for accommodating each galvanic cell, and the cell sheath being at least partly effectively connected to the wall, at least one first measurement device suitable for acquiring a temperature at a prespecified position of the galvanic cell, and a control device suitable for evaluating a signal of each first measurement device that is present and/or for controlling the heat-conducting devices, heat-conducting apparatus being situated between the cell sheath and at least one of the wall of cell holding device and an additional cell sheath.
    Type: Application
    Filed: July 22, 2010
    Publication date: March 3, 2011
    Inventors: Jürgen Hofmann, Magnus Mickel, Günter Eichinger, Tim Schäfer, Andreas Gutsch
  • Publication number: 20100151300
    Abstract: The device according to the invention for storing electrical energy comprises at least one galvanic cell. The same is at least partially surrounded by a casing. Furthermore, the device comprises a cell holding unit comprising an internal space. The at least one galvanic cell is arranged in the internal space. Furthermore, the cell holding unit comprises a wall, which at least partially delimits said internal space. Therein, the wall of the cell holding unit and/or the at least one galvanic cell comprise at least one hollow space. The at least one hollow space is at least partially filled with a first heat conducting means.
    Type: Application
    Filed: December 11, 2009
    Publication date: June 17, 2010
    Inventors: Andreas Gutsch, Holger Mikus, Jörg Kaiser, Martin Schneider, Günter Eichinger, Tim Schäfer
  • Publication number: 20100136403
    Abstract: The invention relates to a facility (10, 20) operating according to galvanic principles such as particularly a battery, respectively an accumulator, in particular a lithium-ion battery, and assemblies thereof. The facility comprises a housing (12), at least one first current conductor (14), which protrudes from the housing (12), and at least one first heat conducting facility (24), which is connected to the first current conductor (14) in heat flow communication, and which is developed such to conduct thermal energy from the first current conductor (14).
    Type: Application
    Filed: July 8, 2009
    Publication date: June 3, 2010
    Applicant: Li-Tech Battery GmbH
    Inventors: Tim Schafer, Claudia Brasse, Andreas Gutsch
  • Publication number: 20100126891
    Abstract: Packaging device (10, 10?, 10?) for packaging at least one object (12, 12?, 12?), that is essentially flat, in particular a valuable technical object, such as a lithium-ion cell, comprising: a bottom plate (14) having at least one first side rim (42), which is linear in regard to at least a part thereof, and at least one first cover plate (20) having at least one first side rim (46) which is linear in regard to at least one part thereof, which is hingeably linked to the first side rim (42) of the bottom plate (14) such that the cover plate (20) can be hinged between a closed position in which the cover plate at least partially covers the bottom plate, and an open position in which the cover plate is not opposite to the bottom plate, characterized in that the bottom plate (14) or the at least one cover plate (20) comprises on one side a cushioning layer (16, respectively 22), wherein the cushioned side faces the object (12, 12?, 12?) when said object is in the packaging and the at least one cover plate (20) i
    Type: Application
    Filed: October 23, 2009
    Publication date: May 27, 2010
    Inventors: Tim SCHÄFER, Andreas GUTSCH, Günter EICHINGER, Claus-Rupert HOHENTHANNER, Christian JUNKER, Magnus MICKEL, Heike SCHÖNE
  • Publication number: 20100124250
    Abstract: The present invention relates to an apparatus, which works according to galvanic principles, in particular to a lithium-ion accumulator or, respectively, a lithium-ion cell, with at least two electrode devices (10; 20), in particular, a cathode and an anode, in particular, a separator device (30), arranged between two electrode devices, the apparatus (2) comprises, according to the invention, at least one or a plurality of glass fibers (18, 28, 38) which are configured or, respectively, operable as temperature sensor. It can comprise a net (16, 26, 36) formed by glass fibers, or an arrangement of a plurality of glass fibers, which are arranged substantially in parallel to each other, wherein at least one glass fiber (18, 28, 38) is configured or operable as temperature sensor.
    Type: Application
    Filed: November 16, 2009
    Publication date: May 20, 2010
    Inventors: Walter Lachenmeier, Tim Schäfer, Andreas Gutsch
  • Publication number: 20100119933
    Abstract: The galvanic cell according to the invention comprises at least one current conductor and a casing. Said casing at least partially surrounds said galvanic cell. A contact area is assigned to said casing. The casing is at least partially materially engaged with the current conductor via the contact area. The casing comprises at least one first layer and one second layer. The materials of said first layer and said second layer of the casing are different in respect to at least one chemical material.
    Type: Application
    Filed: October 23, 2009
    Publication date: May 13, 2010
    Inventors: Tim SCHÄFER, Andreas Gutsch
  • Publication number: 20100112417
    Abstract: In accordance with the invention, an accumulator comprises at least two galvanic cells that are electrically connected. The accumulator furthermore comprises a control device and at least one measuring device. The measuring device is suitable to determine at least one reading for at least one first functional parameter of a galvanic cell. The accumulator comprises a memory device which is assigned to the control device. The memory device is suitable for storing at least one target value of a first functional parameter. The accumulator furthermore comprises a computing unit. The computing unit is suitable for assigning at least two measured values and one pertinent target value to a first computed result. The measured values are the measured first functional parameters, respectively of at least two galvanic cells of the accumulator. The target value is a predetermined value in respect to the first functional parameter.
    Type: Application
    Filed: October 23, 2009
    Publication date: May 6, 2010
    Inventors: Tim Schäfer, Andreas Gutsch
  • Publication number: 20100112453
    Abstract: A method of making an electrode for a device operating according to galvanic principles, in particular a lithium-ion cell, comprises the steps of: (i) making a sheet-like electrode (2), (ii) detecting where one or more imperfections (4, 4?, 4?) exist on said sheet-like electrode, and (iii) with respect to a respectively detected imperfection (4, 4?, 4?), correcting a surrounding area (6, 6?) of the imperfection (4, 4?, 4?) including said imperfection. Based on the result of detection step (ii), at least a portion (8, 8?, 8?) of the laminar electrode may be provided that has no imperfection.
    Type: Application
    Filed: October 23, 2009
    Publication date: May 6, 2010
    Inventors: Andreas Gutsch, Tim Schäfer
  • Publication number: 20100104929
    Abstract: The invention relates to a battery management system (10) for monitoring and controlling of at least one device (14, 14?), which works according to galvanic principles, in particular a lithium-ion accumulator with at least one lithium-ion cell (14a, 14b, 14c, . . . ; 14a?, 14b?, 14c?, . . . ). The system (10) comprises: A central control device (16), a program storage device (18) in operational connection with the central control device (16), at least one data storage device (20) in operational connection with the central control device (16), at least one sensor interface device (22) operationally connected to the central control device (16) for monitoring of such function parameters of at least one lithium-ion cell of the device (14), which works according to galvanic principles, and configured for operationally connecting with at least one external sensor device (26a, 26b, 26c, . . .
    Type: Application
    Filed: October 21, 2009
    Publication date: April 29, 2010
    Applicant: LI-TEC BATTERY GMBH
    Inventors: Tim Schäfer, Andreas Gutsch
  • Publication number: 20100021813
    Abstract: An electrode for an energy storage device has an electrode bearer and an active electrode material that is applied onto the electrode bearer on one side or on both sides, the electrode bearer being formed from an alloy that has a portion of copper and that additionally contains at least tin in a content of at least approximately 0.01 weight %.
    Type: Application
    Filed: July 2, 2009
    Publication date: January 28, 2010
    Inventors: Tim Schafer, Andreas Gutsch