Patents Represented by Attorney, Agent or Law Firm Klaus J. Bach
  • Patent number: 7942131
    Abstract: In an injection system having a device for metering fuel into an exhaust system of a Diesel engine, and a method for controlling the injection of fuel into the exhaust system, wherein the injection system has a high-pressure pump which feeds fuel to an accumulator under high pressure and injectors which inject fuel from the accumulator into the combustion chambers of the internal combustion engine, a fuel spray nozzle arranged in the exhaust system is in communication with the injection system via a fuel metering unit including a control valve and a metering valve and a pressure regulating valve is arranged between the control valve and the metering valve for controlling the pressure of the fuel being metered by the metering valve for injection into the exhaust system via the spray nozzle.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: May 17, 2011
    Assignee: Daimler AG
    Inventors: Michael Hoffmann, Helmut Pichler
  • Patent number: 7942252
    Abstract: In a gear shift module for an automatic transmission of a motor vehicle including a series of gear shift elements for example in the form of gear shift forks, which are operated for the shifting of gears, a gear shift module is provided which has a module baseplate forming part of the cylinders of piston-cylinder units and at least part of a housing of a countershaft brake and a central clutch disengager of a starting clutch. These parts can be manufactured jointly providing for lower manufacturing and assembly costs.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: May 17, 2011
    Assignee: Daimler AG
    Inventor: Detlef Schnitzer
  • Patent number: 7945366
    Abstract: In a control for a motor vehicle transmission having a clutch and means for establishing and/or releasing an engagement of a toothing or of jaws of the motor vehicle transmission including a control unit for actuating the clutch for transmitting a torque to a first component of the toothing, the control unit being adapted, for the purpose of releasing a tooth-on-tooth position of the toothing, to briefly provide a control signal for adjusting the clutch to a desired clutch position (KS) in order to generate a torque pulse, the control unit determining a reaction of the motor vehicle transmission in response to the control signal from the control unit and adapting the desired clutch position (KS) as a function of the reaction.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: May 17, 2011
    Assignee: Daimler, AG
    Inventors: Ulrich Bartels, Manfred Guggolz, Werner Hillenbrand, Erwin Schneeberger
  • Patent number: 7941999
    Abstract: In an internal combustion engine with at least one turbocharger supplying compressed air to the engine cylinders which are divided into a first group and a second group, a first exhaust gas line connecting a first section of an exhaust gas collection line to the turbine, a recirculation line for returning exhaust gas from a second section of the exhaust gas collection line to the charge air supply line, a first control device controls the exhaust gas flow from a section of the cylinders to the first section of the exhaust gas collection line, a second control device controls the exhaust gas flow to the turbine and a third control device controls the exhaust gas flow recirculated to the charge air supply line for the cylinder.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: May 17, 2011
    Assignee: MTU Friedrichshafen GmbH
    Inventors: Werner Kasper, Rolf Traub
  • Patent number: 7934379
    Abstract: In an internal combustion engine comprising an exhaust gas turbocharger, including a turbine with at least two inlet passages arranged in the exhaust gas tract of the internal combustion engine, via which exhaust gas from the internal combustion engine can be supplied to a turbine wheel of the turbine, and a valve arrangement being arranged in to the exhaust gas tract to the turbocharger to control the supply of exhaust gas to the inlet passages of the turbine, a valve and turbine inlet passage configuration is selectable providing for a maximum braking power with low thermal load.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: May 3, 2011
    Assignee: Daimler AG
    Inventors: Alfred Küspert, Wolfram Schmid, Siegfried Sumser
  • Patent number: 7934475
    Abstract: In an internal combustion engine including cylinders arranged in a housing, a crankshaft, pistons disposed in the cylinders so as to be movable by the crankshaft, and a device for varying a compression ratio of the internal combustion engine wherein the device, for varying the compression ratio, includes an adjusting structure which varies the effective length of a connecting rod of the piston, the lift of the crankshaft or the position of the cylinder with respect to the center of the crankshaft, an operating structure is provided by rotation of which the position of the adjusting structure can be controlled, and a drive device for controlling the operating structures contains a coupling mechanism with an integrated brake function, whereby h the adjusting structure can either be placed in operative connection with the crankshaft or can be blocked.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: May 3, 2011
    Assignee: Daimler A G
    Inventors: Jens Meintschel, Tilmann Römheld, Dietmar Schröer, Thomas Stolk, Alexander von Gaisberg-Helfenberg
  • Patent number: 7934918
    Abstract: In an injection molding tool with at least one hot channel nozzle (1), which is provided with a discharge nozzle opening (1a) and a closure needle (2) for closing the nozzle opening, an element (3) is provided by which at least the closing position of the closure needle can be monitored.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: May 3, 2011
    Assignee: Otto Männer Innovation GmbH
    Inventors: Vincenc Selak, Swen Spuller
  • Patent number: 7918756
    Abstract: In a hybrid transmission for a hybrid motor vehicle, with split power driving ranges, discrete gear steps and two electric drive motors (33, 34), a transmission arrangement is provided which results in low rotational speeds of the transmission elements, in particular of the planets while at the same time, the electric drive motors (33, 34) are disposed adjacent to one another at the input end of the transmission next to an internal combustion engine to which the transmission is connected.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: April 5, 2011
    Assignee: Daimler AG
    Inventors: Stefan Goldschmidt, Anna Krolo, Reiner Paetzold, Jan-Peter Ziegele
  • Patent number: 7918914
    Abstract: In an exhaust gas treatment component with a ceramic body for the purification of exhaust gases and a method for making such a component, the ceramic body is disposed in a sheet metal housing consisting of a housing base from which housing sections extend which are hinged to the housing base by webs and which form together a tubular slotted housing part surrounding the ceramic body, the housing sections being tiltable outwardly about the webs for facilitating insertion of the ceramic body into the housing.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: April 5, 2011
    Assignee: MTU Friedrichshafen, GmbH
    Inventors: Hans Sudmanns, Claudia Weigel, Guido Schaffner, Dirk Bergmann
  • Patent number: 7918317
    Abstract: In a lubricant dosing arrangement for the lubrication of valve shafts on the cylinder heads of piston engine wherein the valve shafts are axially movably supported in housing bores formed in the cylinder heads and the housing bores include spaced lubricant seals so as to form between the seals around the valve shaft lubricant reservoirs, means are provided for supplying lubricant to the lubricant reservoirs and the valves shafts include means for permitting passage of lubricant out of the reservoir at a rate depending on the lift movement of the valve shafts so as to dose the lubricant volume permitted to flow out of the lubricant reservoir for the lubrication of the valve shaft.
    Type: Grant
    Filed: January 23, 2007
    Date of Patent: April 5, 2011
    Assignee: MTU Friedrichs Hafen GmbH
    Inventors: Ingobert Adolf, Michael Greil, Ludwig Kläser-Jenewein
  • Patent number: 7914412
    Abstract: In a load shift transmission for a utility vehicle having a transmission input shaft, a split group, a main group and a range group, a dual clutch with two input shafts, a main shaft and a countershaft with input constants including loose gear wheels, one loose gear wheel of an input constant is selectively rotationally fixedly connectable by means of shift elements to either one of the input shafts which can in each case be coupled by means of clutches (K1,K2) to the main transmission input shaft, the countershaft can be driven by one of three input constants with power being transmitted via the countershaft in all forward gears with the exception of a direct gear. The arrangement provides, with a simple design, for the possibility to carry out sequential shifts and multiple up-shifts and multiple down-shifts without an interruption in traction force.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: March 29, 2011
    Assignee: Daimler AG
    Inventor: Carsten Gitt
  • Patent number: 7914903
    Abstract: In a layered composite including a substrate comprising a number of individual layers disposed on the substrate, at least one of the individual layers includes cubic boron nitride formed by material deposition, the cubic boron nitride including oxygen added during deposition of the material.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: March 29, 2011
    Assignee: Forschungszentrum Karlsruhe GmbH
    Inventors: Sven Ulrich, Jian Ye, Konrad Sell, Michael Stüber
  • Patent number: 7870731
    Abstract: In an exhaust gas turbocharger for an internal combustion engine having a turbine wheel connected, by means of a shaft, to the compressor wheel of a compressor which includes a variable inlet geometry comprising a plunger and a sleeve-shaped partition for controlling an auxiliary duct leading radially to the compressor wheel, which is provided with compressor wheel blades to which air is supplied axially via an axial inlet passage and radially via a radial wheel inlet area, the compressor wheel includes a contoured ring provided at its outer circumferential surface with auxiliary blades disposed over, and aligned with, the compressor wheel blades in the radial and the axial wheel inlet region of the compressor wheel.
    Type: Grant
    Filed: October 27, 2007
    Date of Patent: January 18, 2011
    Assignee: Daimler AG
    Inventors: Peter Fledersbacher, Torsten Hirth, Siegfried Sumser
  • Patent number: 7870918
    Abstract: In a drive unit for a motor vehicle having a vehicle body, an electric machine which is supported by the vehicle body, a sprung wheel suspension and a wheel supported thereby, and the wheel being drive-connected to a device for transmitting torque between the electric machine and the wheel, the wheel suspension comprises a strut unit and the device for transmitting torque is arranged between the electric machine and the wheel and extends coaxially with respect to the axis of the strut unit so as to form a compact design with small unsprung masses while providing for the possibility of a torque transfer between the electric machine and the wheel.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: January 18, 2011
    Assignee: Daimler AG
    Inventors: Roland Müller, Tobias Ostertag
  • Patent number: 7866232
    Abstract: In a commercial vehicle transmission with a main group and a downstream group including a downstream group countershaft, the downstream group includes means for decoupling the downstream group countershaft in direct through drive so that in direct through-drive the countershaft does not run in an oil sump and no churning losses occur thereby increasing vehicle transmission efficiency.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: January 11, 2011
    Assignee: Daimler AG
    Inventors: Carsten Gitt, Detlef Schnitzer
  • Patent number: 7866144
    Abstract: In an arrangement for the dosed injection of a reducing agent into the exhaust tract of an internal combustion engine, comprising a pump for the pulsed pumping of the reducing agent and an atomizing injection nozzle disposed in the exhaust tract of the internal combustion engine, the injection nozzle includes a valve element which opens and closes the injection nozzle depending on the pressure generated by the pump and permits the injection of the reducing agent into the exhaust tract only when the pressure of the reducing agent is in excess of a certain value in order to ensure proper atomization of any reducing agent injected into the exhaust tract.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: January 11, 2011
    Assignee: L'Orange GmbH
    Inventors: Leo Bakaj, Wilhelm Malitsky
  • Patent number: 7866289
    Abstract: In a camshaft adjusting device including a vane cell adjuster component for coupling a camshaft to a crankshaft to be driven by the crankshaft in an adjustable angular relationship, wherein a vane rotor is mounted onto the camshaft by a central hollow clamping bolt including a control valve for controlling the flow of control fluid to and from the vane cells so as to control the relative angular position of the camshaft, an additional fixing means is provided between the vane rotor and the camshaft for assisting a rotationally fixed coupling of the vane rotor with the camshaft.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: January 11, 2011
    Assignee: Daimler AG
    Inventors: Lutz Grunow, Ulrich Stubbemann
  • Patent number: 7866290
    Abstract: In a camshaft adjusting device comprising a locking unit provided for locking an adjustment function component in at least one position relative to a camshaft drive component wherein at least two locking structures are provided which each have at least one locking surface for mutual engagement, each locking structure surface is formed by an at least substantially planar area which is inclined with respect to the direction of movement, the locking unit providing for a play-free engagement between the camshaft drive component and the adjustment function component.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: January 11, 2011
    Assignee: Daimler AG
    Inventors: Ulrich Stubbemann, Max Von Fromm
  • Patent number: D631081
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: January 18, 2011
    Inventor: Harald Richter
  • Patent number: D638008
    Type: Grant
    Filed: November 27, 2010
    Date of Patent: May 17, 2011
    Inventor: Harald Richter