Patents by Inventor Franz-Josef Lietz
Franz-Josef Lietz 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: 9177695Abstract: Motor vehicle battery lead with a first connection element for a battery pole, a second connection element for at least one consumer, and a flat conductor arranged between the first connection element and the second connection element. A modular construction with a high degree of flexibility is achieved, in that the flat conductor is formed in a number of parts, wherein at least two parts of the multi-part flat conductor are connected to each other over the course of the flat conductor.Type: GrantFiled: October 19, 2007Date of Patent: November 3, 2015Assignee: AUTO KABEL MANAGEMENTGESELLSCHAFT MBHInventors: Franz-Josef Lietz, York Dlugokinski
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Patent number: 8999551Abstract: A carrier matrix for battery cell connectors 1, comprising a carrier formed from a non-conductive material, at least one vertical receiver 34 formed in a column to vertically receive a battery cell connector 1, at least two columns arranged horizontally next to one another and a horizontal receiver 36 formed to horizontally receive a battery cell connector 1 connecting batteries arranged next to one another into columns.Type: GrantFiled: June 8, 2010Date of Patent: April 7, 2015Assignee: Auto Kabel Managementgesellschaft mbHInventors: Franz-Josef Lietz, Wera Skele
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Patent number: 8840437Abstract: Connection of an electrical cable consisting of a plurality of wires or strands to a terminal, in particular for the electrical system of a motor vehicle, having a support sleeve which encloses an end area of the cable and serves to accommodate an end face of the cable, so that the wires or strands are held in the support sleeve, wherein the face side of the cable consisting of the individual wires or strands is welded to the terminal by means of an at least face side weld seam. A particularly simple connection is then possible if the terminal is hollow on the side opposite the weld seam.Type: GrantFiled: February 15, 2012Date of Patent: September 23, 2014Assignee: Auto Kabel Managementgesellschaft mbHInventors: Wolfgang Hentschel, Franz-Josef Lietz, Rudolf Trefzger
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Patent number: 8658901Abstract: Motor vehicle conductor connection element includes a first flat part and an inlay arranged in the flat part so as to be substantially flush with a surface of the flat part. In order to ensure contacting with different conductors, the flat part is substantially coated with a metal and the inlay is partially coated with the metal.Type: GrantFiled: May 8, 2009Date of Patent: February 25, 2014Assignee: Auto Kabel Managementgesellschaft mbHInventors: Martin Schloms, Sebastian Martens, Franz-Josef Lietz
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Patent number: 8574008Abstract: A battery cell connector includes a first terminal part formed for connection to a battery terminal of a first battery, a second terminal part, and a connecting part arranged between the terminal parts and electrically connecting the terminal parts to one another. The connecting part has a Z-shaped longitudinal cross-section. The Z-shaped longitudinal cross-section includes a central web which is inclined by no more than 20° such that the connecting part is elastically deformable in at least two perpendicular spatial directions. The first terminal part is formed from a first electrically conductive material and a flat piece formed from a second and different type electrically conductive material may be bonded to the second terminal part. It is often desirable for the conductive material to correspond to the battery terminal to which it is to be joined.Type: GrantFiled: June 8, 2010Date of Patent: November 5, 2013Assignees: Bayerische Motoren Werke, Auto Kabel Managementgesellschaft mbHInventors: Jürgen Groβe, Franz-Josef Lietz, Adelheid Klinkner
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Patent number: 8540535Abstract: The invention relates to a method and a system for fastening a round conductor 200 to a connection element 100, 100?, 100?, comprising a connection element 100, 100?, 100? that comprises at one end an at least partially shell-shaped part 110, and a round conductor 200 closed with a contact element 210, the contact element 210 being adapted to contact the connection element 100, 100?, 100?, and a fastening device 400, 510, 520, 610, 620, 660, 710, 810, which is adapted to fasten in a frictional manner (force-fit) an end region 210 of the round conductor 200 lying in front of the contact element 210 in the region of the shell-shaped part 110 of the connection element 100, 100?, 100?, to the connection element 100, 100?, 100?.Type: GrantFiled: October 26, 2010Date of Patent: September 24, 2013Assignee: Auto Kabel Managementgesellschaft mbHInventors: Sebastian Martens, Martin Schloms, Franz-Josef Lietz
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Publication number: 20130206473Abstract: Electrical connection system for an energy generation device 2 having a first connector 18 disposed at one end of a first cable 10a, and a second connector 28 that is disposed at one end of a second cable 10b or a second end of the first cable 10a and is complementary to the first connector 18. A particularly simple assembly is ensured in that the second connector 28 is a pin 30 to be disposed in the receptacle 24 in a self-locking manner.Type: ApplicationFiled: September 20, 2011Publication date: August 15, 2013Applicant: AUTO KABEL MANAGEMENTGESELLSCHAFT MBHInventors: Heinz-Georg Gottschlich, Martin Schloms, Franz-Josef Lietz
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Patent number: 8502501Abstract: A battery measuring clamp, comprising a battery pole clamp 2, a measuring resistor 12 electrically connected to the battery pole clamp 2, and an evaluation circuit which evaluates at least the voltage across the measuring resistor 12, wherein the evaluation circuit is electrically connected to the measuring resistor 12 via at least two measuring contacts 18 and at least two data lines 24 are arranged on the evaluation circuit. A flexible use of such a battery measuring clamp is ensured by the fact that the data lines are arranged in a connection means 26, that a data connector 32 is monolithically connected to a coupling means 28 corresponding to the connection means 26, and that the coupling means 28 and the connection means 26 are plugged together in order to electrically contact the data connector 32 to the data lines 24.Type: GrantFiled: December 8, 2009Date of Patent: August 6, 2013Assignee: Auto Kabel Managementgesellschaft mbHInventors: Dominik Nentwig, Frank Gronwald, Franz-Josef Lietz
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Patent number: 8448836Abstract: Connection of an aluminum stranded lead 2 to a connection part 10, comprising a stripped end 4 of the aluminum stranded lead 2 and a metal connection part 10 which is materially connected to the stripped end 4 of the aluminum stranded lead 2. An inexpensive welded connection can be produced in that an end face of the stripped end 4 of the aluminum stranded lead 2 is welded to the connection part 10 by means of torsional ultrasonic welding.Type: GrantFiled: November 9, 2009Date of Patent: May 28, 2013Assignee: Auto Kabel Managementgesellschaft mbHInventors: Martin Schloms, Sebastian Martens, Franz-Josef Lietz
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Patent number: 8436577Abstract: A battery measuring clamp, comprising a battery pole clamp 2, a measuring resistor 12 electrically connected to the battery pole clamp 2, and an evaluation circuit which evaluates at least the voltage across the measuring resistor 12, wherein the evaluation circuit is electrically connected to the measuring resistor 12 via at least two measuring contacts 18 and at least two data lines 24 are arranged on the evaluation circuit. A flexible use of such a battery measuring clamp is ensured by the fact that the data lines are arranged in a connection means 26, that a data connector 32 is monolithically connected to a coupling means 28 corresponding to the connection means 26, and that the coupling means 28 and the connection means 26 are plugged together in order to electrically contact the data connector 32 to the data lines 24.Type: GrantFiled: December 8, 2009Date of Patent: May 7, 2013Assignee: Auto Kabel Managementgesellschaft mbHInventors: Dominik Nentwig, Frank Gronwald, Franz-Josef Lietz
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Publication number: 20130059473Abstract: Connection of an electrical cable consisting of a plurality of wires or strands to a terminal, in particular for the electrical system of a motor vehicle, having a support sleeve which encloses an end area of the cable and serves to accommodate an end face of the cable, so that the wires or strands are held in the support sleeve, wherein the face side of the cable consisting of the individual wires or strands is welded to the terminal by means of an at least face side weld seam. A particularly simple connection is then possible if the terminal is hollow on the side opposite the weld seam.Type: ApplicationFiled: February 15, 2012Publication date: March 7, 2013Applicant: AUTO KABEL MANAGEMENTGESELLSCHAFT MBHInventors: Wolfgang Hentschel, Franz-Josef Lietz, Rudolf Trefzger
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Patent number: 8355233Abstract: Device for electrically protecting an electric vehicle. To protect high voltage batteries of electric vehicles in the event of floods, a disconnecting device 6 for electrically disconnecting a vehicle battery 2 from an electric distribution system 8 within the vehicle and a detection device 4 for determining wetness are provided such that the detection device 4 activates the disconnecting device 6 if wetness 12 is detected, so that the vehicle battery 2 is electrically disconnected from the electric distribution system 8.Type: GrantFiled: March 26, 2010Date of Patent: January 15, 2013Assignee: Auto Kabel Managementgesellschaft mbHInventors: Jens Schumacher, Franz-Josef Lietz
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Patent number: 8319499Abstract: The invention relates to a motor vehicle battery sensor element comprising a resistor element 2 and at least two spatially separated electric contacts 16 positioned on the resistor element 2. To increase the measuring accuracy and to reduce the temperature variance, it is proposed that the resistor element 2 along with the electric contacts 16 is coated with a metal coating 8.Type: GrantFiled: January 18, 2008Date of Patent: November 27, 2012Assignee: Auto Kabel Managementgesellschaft mbHInventors: Frank Gronwald, Franz-Josef Lietz
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Publication number: 20120279748Abstract: The invention relates to a method and a system for fastening a round conductor 200 to a connection element 100, 100?, 100?, comprising a connection element 100, 100?, 100? that comprises at one end an at least partially shell-shaped part 110, and a round conductor 200 closed with a contact element 210, the contact element 210 being adapted to contact the connection element 100, 100?, 100?, and a fastening device 400, 510, 520, 610, 620, 660, 710, 810, which is adapted to fasten in a frictional manner (force-fit) an end region 210 of the round conductor 200 lying in front of the contact element 210 in the region of the shell-shaped part 110 of the connection element 100, 100?, 100?, to the connection element 100, 100?, 100?.Type: ApplicationFiled: October 26, 2010Publication date: November 8, 2012Applicant: AUTO KABEL MANAGEMENTGESELLSCHAFT MBHInventors: Sebastian Martens, Martin Schloms, Franz-Josef Lietz
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Publication number: 20120106017Abstract: Device for electrically protecting an electric vehicle.Type: ApplicationFiled: March 26, 2010Publication date: May 3, 2012Applicant: AUTO KABEL MANAGEMENTGESELLSCHAFT MBHInventors: Jens Schumacher, Franz-Josef Lietz
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Publication number: 20120100761Abstract: The invention relates to a battery cell connector 1 comprising a first terminal part 2 formed for connection to a battery terminal of a first battery, a second terminal part 4, and a connecting part 6 which is arranged between the terminal parts 2, 4 and electrically connects the terminal parts 2, 4 to one another. Uniform connection of battery terminals 22, 24 is ensured in that the first terminal part 2 is formed at least on the side A facing towards a battery terminal 22, 24 from a first electrically conductive material, and in that a flat piece 8, which is formed for connection to a second battery terminal 22, 24 and is formed at least on the side A facing the second battery terminal from a second electrically conductive material different from the first electrically conductive material, is arranged with a material fit on the second terminal part 4.Type: ApplicationFiled: June 8, 2010Publication date: April 26, 2012Applicant: AUTO KABEL MANAGEMENTGESELLSCHAFT MBHInventors: Jürgen Große, Franz-Josef Lietz, Adelheid Klinkner
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Publication number: 20120088143Abstract: A carrier matrix for battery cell connectors 1, comprising a carrier formed from a non-conductive material, at least one vertical receiver 34 formed in a column to vertically receive a battery cell connector 1, at least two columns arranged horizontally next to one another and a horizontal receiver 36 formed to horizontally receive a battery cell connector 1 connecting batteries arranged next to one another into columns.Type: ApplicationFiled: June 8, 2010Publication date: April 12, 2012Applicant: AUTO KABEL MANAGEMENTGESELLSCHAFT MBHInventors: Franz-Josef Lietz, Wera Skele
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Patent number: 8154377Abstract: The invention relates to a circuit breaker for electrical supply lines, particularly power supply lines or battery cables, for motor vehicles, which circuit breaker is comprised of a first connecting element (1), a second connecting element (3) connectable to said first connecting element (1), and a current path whereby in the conducting state of the circuit breaker a current passes between the first connecting element (1) and the second connecting element (3). The technical problem of providing a circuit breaker for electrical supply lines which can be manufactured and advantageously ensures an error-free operation is solved in that a pyrotechnic separating unit (5) is thermally actuatable by Joule heat emitted by at least one of said connecting elements (1, 3) and in that, the connection between the connecting elements (1, 3) can be released by means of the actuated pyrotechnic separating unit (5).Type: GrantFiled: April 7, 2006Date of Patent: April 10, 2012Assignee: Auto Kabel Managementgesellschaft mbHInventors: Franz-Josef Lietz, Oliver Kastrop, Tomas Schulz, Reiner Mäckel
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Patent number: 8142235Abstract: The invention relates to a potential distribution system for motor vehicles, which makes provision for a reserve on contact bars of an excess number of connection possibilities for further outlets. The connection possibilities which are not required can be closed off with a blanking plug and the connection possibilities which are required are brought in contact by means of an intermediate element, wherein the intermediate element can be designed as a fuse box or as an intermediate plug with integrated fuses.Type: GrantFiled: March 1, 2007Date of Patent: March 27, 2012Assignee: Auto Kabel Managementgesellschaft mbHInventors: Franz-Josef Lietz, Reiner Mäckel, Thomas Schulz
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Publication number: 20110220385Abstract: Connection of electrical cables comprising a connecting cable 2 formed from aluminium strands 4 and a metal connecting part 6. Contact corrosion is prevented when the welding takes place by firmly bonding the connecting cable 2 to the connecting part 6 by means of ultrasonic welding in such a way that a sealant 8 which is displaced between the connecting cable 2 and the connecting part 6 during the ultrasonic welding is situated between the aluminium strands 4.Type: ApplicationFiled: October 29, 2009Publication date: September 15, 2011Applicant: AUTO KABEL MANAGEMENTGESELLSCHAFT MBHInventors: Franz-Josef Lietz, Sebastian Martens