Patents Represented by Attorney, Agent or Law Firm Klaus J. Bach
  • All-wheel drive train
    Patent number: 7399250
    Abstract: In an all-wheel drive train for a motor vehicle wherein the drive torque of the engine of the motor vehicle is transmitted from the transmission output shaft partially to the rear axle and partially to the front axle via an offset transmission structure and a laterally arranged drive shaft extending from the offset transmission structure past the transmission to the front axle of the motor vehicle extends from the offset transmission forwardly at a certain opening angle in close proximity to the transmission structure which narrows down toward the rear so that the rear end of the lateral drive shaft is relatively close to the center axis of the transmission.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: July 15, 2008
    Assignee: Daimler AG
    Inventors: Philip Gansloser, Tobias Haerter, Werner Klein, Hartmut Nied, Rolf Schroeder, Petra Tennert
  • Cooling module arrangement with a sealing element
    Patent number: 7399157
    Abstract: In a cooling module arrangement with a seal element for a motor vehicle having an engine including a cooling fan with a fan housing component connected to the engine and a fan cowl component connected to a radiator of the motor vehicle with a gap provided between the fan housing and the fan cowl components, wherein a sealing element is connected to one of the components and includes in the area of its free end a circumferential bead, so that, in a pre-installation position, it is firmly held folded back onto the one component so as to facilitate installation of the components but, when unfolded, extends in its operative position across the gap between the components and firmly engages with its free end the other component.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: July 15, 2008
    Assignee: Daimler AG
    Inventors: Jochen Tonhaeuser, Willi Weber
  • Internal combustion engine comprising a mechanical charger and a turbo-compound
    Patent number: 7398650
    Abstract: In an internal combustion engine comprising a mechanical charger in the form of a positive displacement compressor connected to the engine intake duct for supplying compressed air to the engine and a turbo-compound including an exhaust gas turbine connected to the engine exhaust duct for converting energy remaining in the exhaust gas to power, the exhaust gas turbine being connected to the engine via a reduction gear drive, the mechanical charger and the turbo-compound are coupled to the engine by a common belt drive including a first belt pulley mounted on the crankshaft of the engine, a second belt pulley mounted on the shaft of the reduction gear drive, and a third belt pulley mounted on the shaft of the mechanical charger.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: July 15, 2008
    Assignee: Daimler AG
    Inventors: Michael Böttcher, Christian Enderle, Jochen Hufendiek, Klaus Wunderlich
  • Disk for a multi-disk clutch and production method thereof
    Patent number: 7399249
    Abstract: In a multi-disk clutch comprising a rotary body having splines formed thereon so as to extend helically along the surface thereof, with a number of disks having central openings with inwardly projecting teeth via which the discs are in rotationally positively locking engagement with the rotary body, the teeth are twisted so as to extend in a plane normal to the surface of the helically extending splines of the rotary body so that the end face areas of the teeth are in planar contact with the spline surfaces of the rotary body for the transmission of torque between the rotary body and the disks.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: July 15, 2008
    Assignee: Daimler AG
    Inventors: Philip Gansloser, Tobias Haerter, Werner Klein, Hartmut Nied, Rolf Schroeder, Petra Tennert
  • Double clutch transmission
    Patent number: 7377191
    Abstract: In a double clutch transmission with a winding path power flux arrangement, which has two countershafts arranged coaxially with respect to one another and with seven forward gears and a plurality of reverse gears, for selected gears the power flux extends from a part region of the transmission forward and then again back to another part region of the transmission in such a way that only four shift clutches are needed for shifting through all the gears.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: May 27, 2008
    Assignee: Daimler AG
    Inventor: Carsten Gitt
  • Camshaft adjuster for an internal combustion engine and a method for operating a camshaft adjuster
    Patent number: 7377244
    Abstract: In a camshaft adjuster for an internal combustion engine including a gear mechanism, an input drive element, a camshaft as an output element, and a brake mechanism for braking an adjustment input for the adjustment of a phase position of the camshaft, a coupling mechanism is provided for locking the adjustment mechanism at a particular phase position while the brake mechanism is inactivated.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: May 27, 2008
    Assignee: Daimler AG
    Inventor: Jens Meintschel
  • Injection molding tool
    Patent number: 7377770
    Abstract: In an injection molding tool including at least one hot channel nozzle to which a melt is supplied via a hot channel structure which at its end remote from the hot channel nozzle includes an inlet opening which can be closed by a closure element which is axially movably supported in the inlet part of the hot channel adjacent the inlet opening, the hot channel is angled and the closure element extends in sealed relationship through an angled wall area of the hot channel structure for actuating the closure member, the inlet area and an operating device for actuating the closure member being disposed in a separate unit removably connected to the injection molding tool.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: May 27, 2008
    Assignee: Männer Innovation GmbH
    Inventor: Gerd Würstlin
  • Centrifugal oil separator for blow-by gases of an internal combustion engine
    Patent number: 7377271
    Abstract: In a centrifugal oil separator for blow-by gases of an internal combustion engine comprising a rotating component which has at least one inflow port for the introduction of blow-by gases from the crankcase of the internal combustion engine, at least a first outflow port for the discharge of air and at least a second outflow port for the discharge of oil, and also a driveshaft (12) driving the rotating component for driving the rotating component, the driveshaft of the rotating component is connected via a mechanical coupling to a transmission driven by a crankshaft of the internal combustion engine.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: May 27, 2008
    Assignee: Daimler AG
    Inventors: Michael Hoffmann, Andreas Ruess
  • Adjusting mechanism for a camshaft arrangement
    Patent number: 7377243
    Abstract: In an adjusting mechanism which is connected to first and second camshafts of a camshaft drive arrangement including a control device for adjusting the phase position of at least one of the camshafts relative to a crankshaft of an internal combustion engine, and having a drive device for driving the camshaft arrangement, a first partial mechanism for driving the first camshaft and a second partial mechanism for driving the second camshaft are provided so as to be driven in parallel by means of a common drive device for adjusting the angular position of the first and second camshafts relative to the crankshaft of the engine.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: May 27, 2008
    Assignee: Daimler AG
    Inventors: Jens Meintschel, Thomas Stolk, Alexander Von Gaisberg-Helfenberg
  • Device for modulating noise in a motor vehicle
    Patent number: 7377359
    Abstract: In a device for noise configuration in a motor vehicle which has an internal combustion engine with at least two gas conduits connected to different cylinders of the engine, the gas conduits are interconnected by means of a cross-flow section formed by a housing which encloses the gas conduits and which has at least two chambers in each of which one of the gas conduits is disposed, each of the gas conduits being in communication with the respective chamber by which it is enclosed by means of a respective cross-flow opening and the two chambers being in communication with one another by means of at least one cross-flow opening which is remote from the cross-flow openings of the gas conduits so as to provide for a phase shift of the sound waves of the gas flowing through the housing.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: May 27, 2008
    Assignee: Daimler AG
    Inventors: Marcus Hofmann, Sascha Rossa, Roudolf Starobinski
  • Injection molding nozzle
    Patent number: 7371063
    Abstract: In a hot channel injection molding nozzle comprising a nozzle body including a mass flow channel for a melt to be injected into a mold, wherein the nozzle body has a nozzle outlet opening at one end and an inlet opening disposed at one side of the other end of the nozzle body and a valve needle extending through the nozzle body to the outlet opening for blocking the melt flow, a valve needle guide sleeve is disposed in the nozzle body so as to delimit the mass flow channel in the area of the inlet opening with the valve needle extending through the guide sleeve.
    Type: Grant
    Filed: October 20, 2005
    Date of Patent: May 13, 2008
    Assignee: Otto Männer Innovation GmbH
    Inventor: Swen Spuller
  • Exhaust gas turbine for an exhaust gas turbocharger
    Patent number: 7371047
    Abstract: In an exhaust gas turbine for a turbocharger with a spiral housing consisting of sheet metal surrounding a guide vane structure and having a tangential inlet funnel and an outer shell which also consists of sheet metal and surrounds the spiral housing with an air gap, the spiral housing and the outer shell are pot-shaped and the ends adjacent the guide vane structure are delimited by parts of the guide vane structure, the spiral housing being connected to these parts by means of at least one axially flexible element.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: May 13, 2008
    Assignee: iHi Charging Systems International GmbH
    Inventors: Hermann Burmester, Akihiro Ohkita
  • Shifting device
    Patent number: 7370742
    Abstract: In a shifting device comprising a shiftable double member arrangement and a shifting element for shifting the double member arrangement, the shifting element is arranged at least partially at a side of and next to, the double member arrangement.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: May 13, 2008
    Assignee: Daimler AG
    Inventor: Harald Rüdle
  • Method for operating an internal combustion engine with direct fuel injection during a post-start phase
    Patent number: 7370629
    Abstract: In a method for operating a spark-ignition internal combustion engine with direct fuel injection in the post-start phase at low temperatures, fuel is supplied to the combustion air in a pilot injection (MH) of a first fuel quantity during an intake stroke of the internal combustion engine such that the pilot injection (MH) forms a homogeneous, lean air/fuel mixture (?>1) in substantially the entire combustion chamber, and a main injection (MS) of a second fuel quantity is subsequently injected into the combustion chamber during a compression stroke directly before the ignition time (ZT), said main injection (MS) forming in the region of the spark plug a stratified, rich air/fuel mixture (?<1), which is then ignited by the spark plug.
    Type: Grant
    Filed: October 13, 2006
    Date of Patent: May 13, 2008
    Assignee: Daimler AG
    Inventors: Bernd Köhler, Christoph Lux, Michael Oechsle, Andreas Spieth
  • Rigid vehicle axle with integral trailing arms
    Patent number: 7370872
    Abstract: In a rigid vehicle axle comprising an axle beam with axle journals forming wheel carriers arranged at the ends thereof, and at least two trailing arms rigidly fixed to the axle beam, each half of the rigid vehicle axle comprises an axle beam section, a trailing arm section and a wheel head section arranged adjacent one after another and the ends of the axle tube sections overlap with the adjoining ends of the trailing arm sections and their end faces are congruent with the respectively adjoining end faces of the wheel head sections, at least in some areas, and the adjoining sections are welded together.
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: May 13, 2008
    Assignee: Daimler AG
    Inventors: Dunja Abrat, Olaf Schütte
  • Shifting device
    Patent number: 7367437
    Abstract: In a shifting device, for a power transmission having a sliding sleeve which is arranged on a transmission shaft and which can be brought into operative engagement with at least one corresponding clutch member and which is limited in its sliding movement by at least one stop structure, the stop structure is formed by a component, in relation to which the sliding sleeve, in its striking position, has some freedom of movement to avoid contact between the sleeve and the stop structure.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: May 6, 2008
    Assignee: DaimlerChrysler AG
    Inventors: Fritz Bühlmaier, Martin Schetter
  • Arrangement for vibration damping in a vehicle
    Patent number: 7357402
    Abstract: In an arrangement for vibration damping in a vehicle, including a vehicle body with an auxiliary frame and support bearings for supporting a component on the auxiliary frame, wheels supported on the auxiliary frame by links and a spring-and-damper strut or a spring and damper supporting the vehicle body, a connecting device is provided in such a manner that a force flux circuit is formed wherein forces which are introduced into the vehicle by vibratory movements caused by the upward motions and the rebounding of the wheels are substantially absorbed in the force flux circuit.
    Type: Grant
    Filed: March 22, 2005
    Date of Patent: April 15, 2008
    Assignee: DaimlerChrysler AG
    Inventors: Jürgen Berghus, Alexander Ender, Achim Weber, Thomas Wergula
  • Angular camshaft position adjustment drive
    Patent number: 7353789
    Abstract: In an adjusting mechanism having an adjusting device for adjusting a phase position of a camshaft in relation to a crankshaft of an internal combustion engine, and a drive gear driven by the crankshaft, for driving the camshaft, a four-shaft transmission configured as an epicyclic summing gear train for the adjustment of the phase position of the camshaft is provided in a housing from which four shafts extend and two of them are concentric for connection to corresponding shafts of a control motor capable of applying different braking torques to the two concentric shafts.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: April 8, 2008
    Assignee: DaimlerChrysler AG
    Inventors: Mathias Gregor, Jens Meintschel, Thomas Stolk, Alexander Von Gaisberg-Helfenberg
  • Method for operating an internal combustion engine
    Patent number: 7347179
    Abstract: In a method for operating an internal combustion engine in which the angular locations where the fuel/air mix combustions takes place can be controlled by an adjustment of the inlet and outlet valve timing, the timing of at least one of the intake and exhaust valve opening phases is shifted depending on the engine speed so as to reduce engine emissions.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: March 25, 2008
    Assignee: Daimler Chrysler AG
    Inventors: Götz Brachert, Rüdiger Herweg, Kai Kanning, Matthias Pfau, Jochen Schäflein, Hans-Jürgen Weimann
  • Driveshaft and method of manufacturing such a driveshaft
    Patent number: 7347783
    Abstract: In a drive shaft including an outer tube extending from one end and a core shaft extending from the other end at least partially into the outer tube and an elastomer damping element disposed between the outer tube and the core shaft and being vulcanized to the outer tube and the core shaft for the transmission of a torque therebetween, several support rings are disposed in axially spaced relationship between the outer tube and the core shaft and abut the outer tube and the core shaft so as to permit relative movement between the outer tube and the core shaft but prevent bending of the drive shaft.
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: March 25, 2008
    Assignee: MTU Friedrichshafen GmbH
    Inventor: Reiner Schmid