Patents by Inventor Joachim Spratte
Joachim Spratte 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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Publication number: 20120112434Abstract: A coupling lock for a trailer coupling. The coupling lock comprises a receptacle (9) in which a coupling element (6) is inserted, an angle measuring device (13, 19) is connected to the receptacle (9), and the angle measuring device (13, 19) is provided for detecting rotation of the receptacle (9), about a rotational axis (18), relative to the coupling element (6). A magnetically adhering body (24) is elastically connected to the receptacle (9) and magnetically connectable to the coupling element (6) for actuating the angle measuring device (13, 19).Type: ApplicationFiled: June 17, 2010Publication date: May 10, 2012Applicant: ZF FRIEDRICHSHAFEN AGInventors: Ingo Albers, Christoph Elbers, Joachim Spratte, Katharina Matzold
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Publication number: 20110204881Abstract: An arrangement to establish a zero position for a sensor that serves to detect movement between parts of a technical system that are connected by a ball joint. The arrangement comprising a joint housing of the ball joint rigidly connected to a first part of the system, a ball pin rigidly connected to a second part of the system, and a sensor for detecting the movements of the ball pin. At least a first sensor element is disposed on the ball pin and a second sensor element is disposed on a part of the system that is immovable with respect to the joint housing. An axial area of the lateral surface of the ball pin is flattened and positively locks an inner contour of the mounting eye or a disk-shaped element which abuts the mounting eye and is fixed by positively locking with the second part of the system.Type: ApplicationFiled: August 11, 2009Publication date: August 25, 2011Applicant: ZF FRIEDRICHSHAFEN AGInventors: Joachim Spratte, Katharina Matzold, Holger Hoppner
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Patent number: 7914024Abstract: Wheel suspension for a vehicle (7), with a carrier element (5), with a wheel carrier (1), which is arranged at a spaced location from the carrier element (5) and which is pivotable about a steering axis (30), with a wheel (14) mounted rotatably on the wheel carrier (1), with a steering wheel (58), which is mounted rotatably on the carrier element (5) at least indirectly and by means of which the wheel carrier (1) is pivotable about the steering axis (30), with at least one joint (8), which is connected to the wheel carrier (1) and which has a housing (26), a pivot pin (25) mounted pivotably in same and an angle-measuring device with a magnet (27) and with a magnetic field-sensitive sensor assembly unit (28), and with at least one guide means (2), via which the joint (8) is connected to the carrier element (5).Type: GrantFiled: June 16, 2006Date of Patent: March 29, 2011Assignee: ZF Friedrichshafen AGInventors: Holger Lohmüller, Felix Haeusler, Michael Klank, Joachim Spratte
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Publication number: 20100308192Abstract: A sensor attachment arrangement with a sensor holder (3) for attachment to a component (6) to which at least one sensor (2) is attached or can be attached. The sensor holder (3) has at least a finger-shape mounting element (4) with a cavity (7) therein in which a strut (8) is received such that by insertion of the strut (8), the mounting element (4) is splayed or can be spread at least in some areas to secure the sensor holder (3) to the component (6).Type: ApplicationFiled: January 31, 2008Publication date: December 9, 2010Applicant: ZF FRIEDRICHSHAFEN AGInventors: Joachim Spratte, Michael Schwab
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Patent number: 7841799Abstract: A ball pivot (3) of a ball and socket joint for a motor vehicle, with a pivot (2) and with a joint ball (1) connected thereto. A recess (12) with a magnet (13) arranged therein is provided in the ball pivot (13). An intermediate space (17), which is filled with a nonmagnetic material (16) for fixing the magnet (13), is formed between the jacket surface (14) of the magnet (13) and the inner wall (15) of the recess (12).Type: GrantFiled: June 2, 2009Date of Patent: November 30, 2010Assignee: ZF Friedrichshafen AGInventors: Joachim Spratte, Michael Klank
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Patent number: 7762736Abstract: A ball and socket joint is provided for a motor vehicle that has a joint housing (1), in the interior space of which a ball shell (2) is arranged. The ball (3) of a ball pivot (4) is accommodated in the ball shell (2). A sensor device (7), for measuring forces and loads, is arranged on a flexurally elastic printed circuit board (6). The printed circuit board is fastened in the joint housing (1) in a flexurally mobile manner. The sensor device (7) measures deflections and mechanical stresses of the sensor printed circuit board (6). A transmission device introduces forces or a bending moments into the sensor printed circuit board (6) in case of a deformation of the ball shell (2). The process makes possible the permanent determination of the state of wear of the ball and socket joint via measurement of the prestressing force of the ball shell.Type: GrantFiled: June 14, 2006Date of Patent: July 27, 2010Assignee: ZF Friedrichshafen AGInventors: Metin Ersoy, Joachim Spratte, Michael Klank, Peter Hofmann
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Patent number: 7695212Abstract: A ball and socket joint for a motor vehicle, with a housing (4) having a wall (7), a bottom (8) and an opening (9), with a ball pivot (3), which has a joint ball (1) and a pivot (2). The ball pivot is mounted with the joint ball (1) rotatably and pivotably in the housing (4) and the pivot extends out of the housing (4) through the opening (9). An electronic component (14) is arranged in the housing (4). An electrically conductive connection (17) is arranged in the housing (4) and is electrically connected to the component (14). The electrically conductive connection (17) extends out of the housing (4) from the component (14) in the area of the opening (9) or through the opening (9).Type: GrantFiled: August 2, 2005Date of Patent: April 13, 2010Assignee: ZF Friedrichshafen AGInventors: Joachim Spratte, Metin Ersoy
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Patent number: 7652470Abstract: A ball and sleeve joint for a motor vehicle has a housing (1) and a ball sleeve (5) which extends out of the housing (1) on both sides. The ball sleeve (5), has a through hole (8) and a bearing area (4) and is mounted with the bearing area (4) in the housing (1). Two joint parts, which are rotatable and pivotable in relation to one another, are formed by the ball sleeve (5) and the housing (1). A sensor (13), which interacts with a signal transmitter (2) arranged at the other joint part, is arranged at one of the joint parts. Both the sensor (13) and the signal transmitter (2) are arranged between the through hole (8) and the housing (1).Type: GrantFiled: December 8, 2004Date of Patent: January 26, 2010Assignee: ZF Friedrichshafen AGInventor: Joachim Spratte
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Patent number: 7643944Abstract: A measuring device is provided for a motor vehicle, with a bracket (1), with a joint (8), which is connected to the bracket (1) and which has a joint housing (20) and a pivot pin (19) mounted movably in same. A component (2) is provided which is connected to the joint (8) and which is mounted pivotably on the bracket (1) via the joint (8). An angle measuring device (17, 18) is provided, by which the angle (?) of the component (2) in relation to the bracket (1) can be determined. An analyzer (23) is connected to the angle measuring device (17, 18) and has a double differentiator (24), which is connected to the angle measuring device (17, 18) and which is followed downstream by a summer or integrator (26) via the intermediary of a calculating unit (25).Type: GrantFiled: July 5, 2006Date of Patent: January 5, 2010Assignee: ZF Friedrichshafen AGInventors: Joachim Spratte, Michael Klank, Klaus Warnken, Alfons Noe, Günter Gödert
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Publication number: 20090238637Abstract: A ball pivot (3) of a ball and socket joint for a motor vehicle, with a pivot (2) and with a joint ball (1) connected thereto. A recess (12) with a magnet (13) arranged therein is provided in the ball pivot (13). An intermediate space (17), which is filled with a nonmagnetic material (16) for fixing the magnet (13), is formed between the jacket surface (14) of the magnet (13) and the inner wall (15) of the recess (12).Type: ApplicationFiled: June 2, 2009Publication date: September 24, 2009Inventors: Joachim SPRATTE, Michael Klank
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Publication number: 20090232590Abstract: A joint for a motor vehicle is provided with a housing (5), a bearing shell (4) arranged in the housing (5), a bearing journal (3), which has a bearing area (1) and a pivot area (2) and which is mounted pivotably and/or rotatably in the bearing shell (4) with the bearing area (1). The joint has at least one tensioning device (33), which is arranged in the housing 5, is designed as a solid body and by which a mechanical stress exerted by the bearing shell 4 on the bearing area 1 can be changed. The bearing shell 4 is springy at least in some areas and is deformable by the tensioning means 33 in a springy manner.Type: ApplicationFiled: March 22, 2005Publication date: September 17, 2009Inventors: Metin Ersoy, Martin Rechtien, Joachim Spratte, Frank Budde, Armin Müller
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Publication number: 20090136288Abstract: A ball and socket joint is provided for a motor vehicle that has a joint housing (1), in the interior space of which a ball shell (2) is arranged. The ball (3) of a ball pivot (4) is accommodated in the ball shell (2). A sensor device (7), for measuring forces and loads, is arranged on a flexurally elastic printed circuit board (6). The printed circuit board is fastened in the joint housing (1) in a flexurally mobile manner. The sensor device (7) measures deflections and mechanical stresses of the sensor printed circuit board (6). A transmission device introduces forces or a bending moments into the sensor printed circuit board (6) in case of a deformation of the ball shell (2). The process makes possible the permanent determination of the state of wear of the ball and socket joint via measurement of the prestressing force of the ball shell.Type: ApplicationFiled: June 14, 2006Publication date: May 28, 2009Inventors: Metin Ersoy, Joachim Spratte, Michael Klank, Peter Hofmann
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Publication number: 20090087253Abstract: A ball and socket joint, a processes for load measurement and for wear measurement is provided, for example, for an axle system of a motor vehicle. The ball and socket joint has a housing (1), in the essentially cylindrical interior space of which a ball shell (2) is arranged. The ball (3) of a ball pivot is slidingly accommodated in the ball shell (2). The ball and socket joint has a sensor device for measuring forces or loads formed by a sensor array (4), which is placed in the area of the ball shell (2) and comprises at least two pressure or force sensors (6) for measuring forces or pressing pressures acting between the joint ball (1) and the ball shell (2). The processes provides permanent monitoring of the operating state and the state of wear of the ball and socket joint, by measuring the prestressing force of the ball shell.Type: ApplicationFiled: June 26, 2006Publication date: April 2, 2009Inventors: Joachim Spratte, Michael Klank, Peter Hofmann
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Publication number: 20090051135Abstract: Wheel suspension for a vehicle (7), with a carrier element (5), with a wheel carrier (1), which is arranged at a spaced location from the carrier element (5) and which is pivotable about a steering axle (30), with a wheel (14) mounted rotatably on the wheel carrier (1), with a steering wheel (58), which is mounted rotatably on the carrier element (5) at least indirectly and by means of which the wheel carrier (1) is pivotable about the steering axle (30), with at least one joint (8), which is connected to the wheel carrier (1) and which has a housing (26), a pivot pin (25) mounted pivotably in same and an angle-measuring device with a magnet (27) and with a magnetic field-sensitive sensor assembly unit (28), and with at least one guide means (2), via which the joint (8) is connected to the carrier element (5).Type: ApplicationFiled: June 16, 2006Publication date: February 26, 2009Inventors: Holger Lohmuller, Felix Haeusler, Michael Klank, Joachim Spratte
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Publication number: 20090016811Abstract: A ball and sleeve joint for a motor vehicle has a housing (1) and a ball sleeve (5) which extends out of the housing (1) on both sides. The ball sleeve (5), has a through hole (8) and a bearing area (4) and is mounted with the bearing area (4) in the housing (1). Two joint parts, which are rotatable and pivotable in relation to one another, are formed by the ball sleeve (5) and the housing (1). A sensor (13), which interacts with a signal transmitter (2) arranged at the other joint part, is arranged at one of the joint parts. Both the sensor (13) and the signal transmitter (2) are arranged between the through hole (8) and the housing (1).Type: ApplicationFiled: December 8, 2004Publication date: January 15, 2009Inventor: Joachim Spratte
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Publication number: 20080315867Abstract: A joint for a motor vehicle has a joint housing (2), with a pivot pin (5) mounted pivotably in same and with an angle-measuring device, which has a magnet (18) and a magnetic field-sensitive sensor, which cooperates with this magnet and by which the angle (?) of the pivot pin (5) relative to the joint housing (2) can be determined. The magnet (18) is fastened to the pivot pin (5) and the sensor to the joint housing (2) or the magnet (18) is fastened to the joint housing (2) and the sensor to the pivot pin (5) at least indirectly. The magnetic field-sensitive sensor is formed by an electric coil (17), which has a core (16) consisting of a magnetic material and which is part of an electrical oscillating circuit (15), by which electromagnetic waves (27) can be sent or are sent.Type: ApplicationFiled: June 27, 2006Publication date: December 25, 2008Inventors: Joachim Spratte, Michael Klank
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Publication number: 20080284258Abstract: Chassis part of a vehicle, with a magnet (2) and at least one electric coil (10), which interacts with the magnetic field generated by the magnet (2), wherein the magnet (2) and the coil (10) are mobile in relation to one another. The chassis part (13) can perform vibrations with at least one natural frequency, wherein the magnet (2) is fastened to a spring (8) and is mobile relative to the coil (10), and wherein the natural frequency of the oscillator (14) having the magnet (2) and the spring (8) is tuned to the natural frequency of the chassis part (13).Type: ApplicationFiled: December 9, 2004Publication date: November 20, 2008Inventors: Joachim Spratte, Michael Klank
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Publication number: 20080199247Abstract: A ball and socket joint for a motor vehicle is provided with a joint housing (2), with a ball pivot (3), which is mounted rotatably and pivotably in same and which is in contact with the joint housing (2) or with a ball shell (7) arranged between this and the ball pivot (5). The ball and socket joint has an angle measuring device (20, 21), by which the angle of the ball pivot (5) relative to the joint housing (2) can be detected. At least two temperature sensors (15, 16) are arranged at spaced locations from one another in or on the joint housing (2).Type: ApplicationFiled: July 3, 2006Publication date: August 21, 2008Inventors: Joachim Spratte, Michael Klank, Jochen Kruse
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Publication number: 20080193207Abstract: A ball and socket joint, for example, for an axle system of a motor vehicle. The ball and socket joint has an essentially ring-shaped or pot-shaped joint housing (1), in the essentially cylindrical interior space of which a ball shell (3) is arranged. The ball (4) of a ball pivot is accommodated in the ball shell (3) in a slidingly movable manner. The ball and socket joint has, furthermore, a sealing bellows (6) as well as a sensor means for monitoring the tightness of the ball and socket joint.Type: ApplicationFiled: June 14, 2006Publication date: August 14, 2008Inventors: Jochen Kruse, Joachim Spratte, Michael Klank
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Publication number: 20080189454Abstract: A device for data transmission for a motor vehicle is presented, which has sensors used for generating data. The sensors are arranged on or in chassis components occupying a variable position relative to the body of the motor vehicle. Furthermore, the device for data transmission has components or assembly units provided as rigid parts of the body for processing and/or evaluating the data generated in or on the chassis components occupying a variable position and a means for transmitting the data supplied by the sensors to said components, which are arranged as rigid parts of the body. The transmission means is designed according to the present invention as a plastic film web, which is provided with strip conductors and whose strip conductors establish a connection between interfaces provided on the chassis side and on the body side.Type: ApplicationFiled: August 23, 2005Publication date: August 7, 2008Inventors: Metin Ersoy, Felix Haeusler, Michael Klank, Bernd Grannemann, Armin Mueller, Joachim Spratte