Patents Assigned to ThyssenKrupp Automotive AG
  • Patent number: 7828918
    Abstract: The invention relates to a method for the thermomechanical treatment of steel. According to said method, the parent material is heated to a temperature in excess of the re-crystallization temperature, the structure is austenitized, held at an equalized temperature and then formed and subsequently quenched to form martensite and tempered. Round steel bars, whose re-crystallization temperature is adjusted over the bar length in a compensation furnace, constitute the parent material. The round steel bars are subsequently re-modeled by cross-rolling, remaining substantially straight and after the critical deformation degree has been exceeded are subjected to dynamic re-crystallization processes. The round steel bars are then subjected to a post-heating process above the Ac3 temperature, in order to undergo a complete static re-crystallization and finally are quenched from the austenitic state to form martensite and tempered.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: November 9, 2010
    Assignee: ThyssenKrupp Automotive AG
    Inventors: Hans Vondracek, Hans DziemBalla, Lutz Manke, Alexander Borowikow, Reinhard Uhrich, Matthias Hüttner
  • Publication number: 20100224145
    Abstract: The invention relates to a method for producing an assembled camshaft and to an assembled camshaft, with at least one functional component that is produced in a separate manufacturing process and has an inner recess for receiving the shaft. The shaft is widened at least in sections in the area in which the functional component is to be secured, and the recess in the functional component for receiving the shaft is widened in the shape of a funnel on at least one side and over at least a section of its axial length, the opening having a diameter which corresponds to at least the diameter of the widened shaft section, the outer surface of the shaft in the longitudinal direction of the shaft axis being provided with ridges which are distributed over the outer circumference of the shaft by material shaping of the outer circumference of the shaft by means of knurling.
    Type: Application
    Filed: May 23, 2006
    Publication date: September 9, 2010
    Applicant: Thyssenkrupp Automotive AG
    Inventor: Oskar Mueller
  • Publication number: 20090200100
    Abstract: The invention relates to a motor vehicle steering system comprising a differential drive, said differential drive having a carrier structure (12, 33), a drive shaft (3) with a shaft end (3a) facing the differential drive, an output unit (2) with a shaft end (2a) facing the differential drive, and an auxiliary drive comprising a stator (4) and a rotor (6). The aim of the invention is to simplify the structure of one such differential drive as much as possible.
    Type: Application
    Filed: October 5, 2005
    Publication date: August 13, 2009
    Applicant: THYSSENKRUPP AUTOMOTIVE AG
    Inventor: Viktor Arbanas
  • Patent number: 7544258
    Abstract: A simpler and less expensive method of fabricating pressed components from sheet steel that can be heat treated while inside the press, whereby the material is heated to above its transformation point Ac3, pressed, and cooled, controlled, to below its crystalline-transformation point. The sheet is unwound from a coil (1), heated to above its transformation point, pressed in a press, and separated.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: June 9, 2009
    Assignee: ThyssenKrupp Automotive AG
    Inventors: Detleff Steinhöfer, Ralf Kolleck
  • Patent number: 7305953
    Abstract: A built multiple cam is disclosed which can be produced at low cost and which can be used in a flexible manner and which requires a small amount of construction space in an axial direction. The built multiple cam comprises the following components: a first partial cam provided with a bore, a cam contour A and a joint contour which is arranged in axial proximity thereto and provided with an outer surface; a second partial cam provided with a bore, a cam contour A and a joint contour which is arranged in axial proximity thereto and provided with an outer surface; a ring which is provided with a cam contour B which is different from cam contour A and an inner contour having an inner surface, wherein the inner surface of the ring can be displaced towards the outer surfaces of the partial cams; and connections which act between the ring and the partial cam ensure a fixed connection between such components. Also disclosed is a method used to produce a built camshaft comprising at least one built multiple cam.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: December 11, 2007
    Assignee: Thyssenkrupp Automotive AG
    Inventor: Thomas Walz
  • Patent number: 7302922
    Abstract: The invention is characterized in that the gas exchange valves of a cylinder are displaced in a displacement unit (15, 34) jointly and independently of the displacement of the displacement devices of the other cylinders. Every displacement unit (15, 34) is associated with separate actuators for actuating the same. Angle of rotation sensors (42, 43) are provided to detect the angle or rotation signals of the crankshaft and the camshaft or any other shaft rotating at half the crankshaft speed. These angle of rotation signals are used to derive the common idle phase of all valves of a cylinder to be jointly adjusted, a control unit (44) effecting the displacement of every displacement unit (15, 34) during said common idle phase.
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: December 4, 2007
    Assignee: Thyssenkrupp Automotive AG
    Inventors: Helmut Schön, Gordon Köhne, Peter Kuhn, Frank Obrist
  • Patent number: 7296546
    Abstract: The invention relates to a device for the variable actuation of gas exchange valves for internal combustion engines, wherein at least one cam (2) pertaining to a camshaft (1) mounted in a housing rotates according to the engine speed. The cam (2) first drives an intermediate member (4) which performs a clear oscillating, rotary movement and has a rotational axis (7) that can be displaced in the housing parallel to itself along a curve of displacement (8), said intermediate member comprising a control cam (5) having a lifting region (5b) and actuating an output member (11) that, in turn, actuates at least one valve (13). The aim of the invention is to enable one such device to be reliably controlled.
    Type: Grant
    Filed: March 17, 2004
    Date of Patent: November 20, 2007
    Assignee: Thyssenkrupp Automotive AG
    Inventors: Helmut Schön, Kai-Uwe Keller, Peter Kuhn, Gordon Köhne, Frank Obrist, Christian Busch
  • Patent number: 7231865
    Abstract: A swiveling motor for a divided stabilizer in an area of a vehicle axle, in which a housing is closed off in a region of its end surfaces by lids. A differential pressure regulating valve located coaxially with the housing and having at least one electromagnet, and two springs of different spring load deflection characteristics directed opposite to one another. One of these springs has a lower spring load deflection characteristic in a region of the electromagnet.
    Type: Grant
    Filed: June 6, 2005
    Date of Patent: June 19, 2007
    Assignee: Thyssenkrupp Automotive AG
    Inventors: Holger Wehaus, Volker Middelmann
  • Patent number: 7213337
    Abstract: A method of manufacturing an entire piston, piston heads for example, especially intended for internal-combustion engines, wherein in an initial manufacturing step a blank that will eventually constitute the piston is preliminarily forged along a prescribed axis, shaping appropriate contours, and wherein in at least one subsequent manufacturing step the preliminarily shaped piston is finally forged along at least one other axis, creating additional contours.
    Type: Grant
    Filed: April 19, 2001
    Date of Patent: May 8, 2007
    Assignee: ThyssenKrupp Automotive AG
    Inventors: Antônio José de Araújo Pôrto, Joao Lester Garcia Lopes, Airton Aparecido Chignolli
  • Patent number: 7111600
    Abstract: Mechanical controls for continuously varying the length of the stroke of the valves in an internal-combustion engine and for maintaining the valves constantly closed while the engine is in operation while simultaneously varying how long the valve or valves remain open, whereby the valves are actuated by rocker levers that are in turn actuated by an angled lever, whereby the positions of the levers are varied in order to vary the length and duration of the stroke. The valves are actuated at low engine speeds by assigning a specific narrow angle of rotation to each abbreviated stroke to be established. FIG. 1 illustrates valve stroke controls with an angled lever (2) actuated by a cam (17) mounted on a lateral roller (3). In the event of a misalignment, a planetary gear comes into play, wherein a roller (9), mounted on the rocker lever (8) that actuates the valve (1) acts a sun wheel, the angled lever (2) acts as a planet wheel, and a setting lever (5) acts as a planet bearing.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: September 26, 2006
    Assignee: ThyssenKrupp Automotive AG
    Inventor: Herbert Naumann
  • Patent number: 7028520
    Abstract: A method using high interior pressure to reshape structural section of continuously bounded overall cross-section, whereby the overall cross-section can be provided with extra walls or chambers and a stopper is forced radially against each end of the piece. The object is to reduce wear on the stopper while ensuring that any walls or chambers in addition to its overall crosssection will buckle or bulge only at their ends.
    Type: Grant
    Filed: November 10, 2003
    Date of Patent: April 18, 2006
    Assignee: Thyssenkrupp Automotive AG
    Inventors: Arndt Birkert, Sven Schneider
  • Patent number: 6973904
    Abstract: Mechanical controls for continuously varying the length of the stroke of the valves in an internal-combustion engine and for maintaining the valves constantly closed while the engine is in operation while simultaneously varying how long the valve or valves remain open, whereby the valves are actuated by rocker levers that are in turn actuated by an angled lever, whereby the positions of the levers are varied in order to vary the length and duration of the stroke. The valves are actuated at low engine speeds by assigning a specific narrow angle of rotation to each abbreviated stroke to be established. FIG. 1 illustrates valve stroke controls with an angled lever (2) actuated by a cam (17) mounted on a lateral roller (3). In the event of a misalignment, a planetary gear comes into play, wherein a roller (9), mounted on the rocker lever (8) that actuates the valve (1) acts a sun wheel, the angled lever (2) acts as a planet wheel, and a setting lever (5) acts as a planet bearing.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: December 13, 2005
    Assignee: ThyssenKrupp Automotive AG
    Inventor: Herbert Naumann
  • Patent number: 6938314
    Abstract: A method of fastening at least two large-surface components together by hole-punching rivets, in which the rivets are driven through the components by rivet drivers and against dollies, and fastening the components together. The components rest on supports, and the dollies are a part of these supports; each of the rivet drivers as well as the dollies are guided unfocused to a correct position where a hole-punching rivet is to be placed.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: September 6, 2005
    Assignee: ThyssenKrupp Automotive AG
    Inventors: Thomas Meichsner, Wulf Leitermann
  • Patent number: 6938596
    Abstract: Mechanical controls for continuously varying the length of the stroke of the valves in an internal-combustion engine and for maintaining the valves constantly closed while the engine is in operation while simultaneously varying how long the valve or valves remain open, whereby the valves are actuated by rocker levers that are in turn actuated by an angled lever, whereby the positions of the levers are varied in order to vary the length and duration of the stroke. The valves are actuated at low engine speeds by assigning a specific narrow angle of rotation to each abbreviated stroke to be established. FIG. 1 illustrates valve stroke controls with an angled lever (2) actuated by a cam (17) mounted on a lateral roller (3). In the event of a misalignment, a planetary gear comes into play, wherein a roller (9), mounted on the rocker lever (8) that actuates the valve (1) acts a sun wheel, the angled lever (2) acts as a planet wheel, and a setting lever (5) acts as a planet bearing.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: September 6, 2005
    Assignee: ThyssenKrupp Automotive AG
    Inventor: Herbert Naumann
  • Patent number: 6905129
    Abstract: A wishbone for an automotive suspension and comprising two sheet metal halves, for attaching the front wheels of a motor vehicle. The wishbone is provided with two points of articulation on the chassis, one behind the other along the direction of travel and representing a horizontal axis (5) for the wishbone (2) to tilt around. The wishbone is also provided with one point (8) of attachment for the suspension. The object is a simpler and hence more cost-effective wishbone. At least one of the points (3 & 4) of articulation is accordingly a hollow hexagonal cross-section bolt (11) comprising two halves (18 & 19) that engages a bearing housing and is an integral component of the wishbone halves (14 & 15).
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: June 14, 2005
    Assignee: ThyssenKrupp Automotive AG
    Inventors: Klaus Runte, Udo Wächter, Matthias Kröger
  • Patent number: 6886512
    Abstract: Mechanical controls for continuously varying the length of the stroke of the valves in an internal-combustion engine and for maintaining the valves constantly closed while the engine is in operation while simultaneously varying how long the valve or valves remain open, whereby the valves are actuated by rocker levers that are in turn actuated by an angled lever, whereby the positions of the levers are varied in order to vary the length and duration of the stroke. The valves are actuated at low engine speeds by assigning a specific narrow angle of rotation to each abbreviated stroke to be established. FIG. 1 illustrates valve stroke controls with an angled lever (2) actuated by a cam (17) mounted on a lateral roller (3). In the event of a misalignment, a planetary gear comes into play, wherein a roller (9), mounted on the rocker lever (8) that actuates the valve (1) acts a sun wheel, the angled lever (2) acts as a planet wheel, and a setting lever (5) acts as a planet bearing.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: May 3, 2005
    Assignee: ThyssenKrupp Automotive AG
    Inventor: Herbert Naumann
  • Patent number: 6857625
    Abstract: The invention relates to a spring carrier for the chassis of a motor vehicle. Said carrier is used to support a coil spring (1) which is braced between two spring plates (2, 3). At least one of said spring plates (2) can be axially adjusted by means of a drive unit comprising a gearbox and an electric motor. Preferably, at least one part of the piston rod (6) and/or the shock-absorber tube (5) of a shock-absorber or a suspension strut is arranged inside the coil spring (1). The aim of the invention is to develop one such spring carrier in such a way that the distance between the upper spring end and the vehicle body can be kept small in a cost-effective manner. To this end, the electric motor is embodied in the form of a ring motor having an external stator (15) and an internal rotor (16) which comprises a displacement nut on its inner side, said displacement nut axially displacing a spring plate carrier (21) connected to the spring plate (2) and externally embodied as a threaded spindle.
    Type: Grant
    Filed: December 15, 2001
    Date of Patent: February 22, 2005
    Assignee: ThyssenKrupp Automotive AG
    Inventors: Friedrich Löser, Siegfried Ellmann