Patents by Inventor Erwin Schmidt

Erwin Schmidt 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).

  • Publication number: 20100260445
    Abstract: The invention relates to a method of producing a slide bearing element (1) according to which a sliding layer (6) is produced on a support element (4) by vapour-phase deposition, if necessary after the insertion of at least one intermediate layer, wherein the sliding layer (6) comprises an aluminium matrix, which in addition to aluminium contains bismuth as a main component and possibly copper and also impurities of the elements arising during production. By means of the vapour-phase deposition of at least one element, the melting point of which is at least 950° C. higher than that of the bismuth and/or by applying a bias-voltage to the support element the bismuth-nuclear density is increased.
    Type: Application
    Filed: October 10, 2008
    Publication date: October 14, 2010
    Inventors: Walter Gaertner, Johann Kraemer, Erwin Schmidt, Ping Wang
  • Patent number: 7431563
    Abstract: A wheel (10) comprises a main body (12) and is provided with at least one reinforcing structure (14) which increases the strength of the wheel (10). The reinforcing structure (14) is at least partially integrated inside the main body (12).
    Type: Grant
    Filed: October 16, 2003
    Date of Patent: October 7, 2008
    Assignee: Daimler AG
    Inventors: Johann Kraemer, Erwin Schmidt, Siegfried Sumser
  • Patent number: 7428813
    Abstract: In an internal combustion engine having an exhaust gas turbocharger with an exhaust gas inlet structure including two exhaust gas flow passages in communication with two exhaust ducts via a rotary cylinder valve for controlling the exhaust gas flow, the valve includes two inlet openings for directing the flow to the inlet flow passages of the turbine and a recess which when disposed over the exhaust gas flow passages permits exhaust gas to flow from one to the other of the exhaust gas ducts, the interior of the valve being in communication with a bypass line for bypassing the turbine.
    Type: Grant
    Filed: June 11, 2005
    Date of Patent: September 30, 2008
    Assignee: Daimler AG
    Inventors: Helmut Finger, Erwin Schmidt, Siegfried Sumser
  • Patent number: 7409943
    Abstract: In an engine braking method for a supercharged internal combustion engine, wherein combustion air, which is under boost pressure and is supplied to the cylinders under the control of engine inlet and outlet valves, is compressed in the cylinders and is subsequently discharged into the exhaust tract, engine braking takes place in a two-stroke operating mode.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: August 12, 2008
    Assignee: Daimler AG
    Inventors: Michael Benz, Stephan Krätschmer, Erwin Schmidt, Alexander Stadelmaier, Siegfried Sumser
  • Publication number: 20070137615
    Abstract: In an engine braking method for a supercharged internal combustion engine, wherein combustion air, which is under boost pressure and is supplied to the cylinders under the control of engine inlet and outlet valves, is compressed in the cylinders and is subsequently discharged into the exhaust tract, engine braking takes place in a two-stroke operating mode.
    Type: Application
    Filed: February 12, 2007
    Publication date: June 21, 2007
    Inventors: Michael Benz, Stephan Kratschmer, Erwin Schmidt, Alexander Stadelmaier, Siegfried Sumser
  • Publication number: 20060104816
    Abstract: A wheel (10) comprises a main body (12) and is provided with at least one reinforcing structure (14) which increases the strength of the wheel (10). The reinforcing structure (14) is at least partially integrated inside the main body (12).
    Type: Application
    Filed: October 16, 2003
    Publication date: May 18, 2006
    Inventors: Johann Kraemer, Erwin Schmidt, Siegfried Sumser
  • Publication number: 20060063019
    Abstract: Slide layer for slide bearing, in particular for crankshafts, connecting-rod bearings or large end bearings, comprised of an alloy with several phases, which form a matrix and a dispersed phase, wherein the dispersed phase exhibits only a low solubility in the metal of the matrix, wherein the metal matrix is formed by a Al alloy and the dispersed phase by a Bi or a high melting Bi alloy, as well as slide bearings coated therewith and processes for producing a slide layer by sputter processes.
    Type: Application
    Filed: August 15, 2005
    Publication date: March 23, 2006
    Inventors: Johann Kraemer, Erwin Schmidt
  • Publication number: 20060008354
    Abstract: The invention relates to a high-speed impeller for delivering gaseous or liquid media, for example as a compressor wheel for an exhaust-gas turbocharger. The high-speed impeller has a reinforcing core structure and an outer functional section. The invention is distinguished by the fact that reinforcing sleeves are pushed concentrically over one another for producing the core structure, in which case the length of the respective reinforcing sleeves varies. Furthermore, the functional section is cast onto the core structure.
    Type: Application
    Filed: September 3, 2004
    Publication date: January 12, 2006
    Inventors: Johann Kramer, Martin Schlegl, Erwin Schmidt, Holger Stark, Siegfried Sumser
  • Publication number: 20050229597
    Abstract: In an internal combustion engine having an exhaust gas turbocharger with an exhaust gas inlet structure including two exhaust gas flow passages in communication with two exhaust ducts via a rotary cylinder valve for controlling the exhaust gas flow, the valve includes two inlet openings for directing the flow to the inlet flow passages of the turbine and a recess which when disposed over the exhaust gas flow passages permits exhaust gas to flow from one to the other of the exhaust gas ducts, the interior of the valve being in communication with a bypass line for bypassing the turbine.
    Type: Application
    Filed: June 11, 2005
    Publication date: October 20, 2005
    Inventors: Helmut Finger, Erwin Schmidt, Siegfried Sumser
  • Patent number: 6854272
    Abstract: An exhaust gas turbocharger for an internal combustion engine, which has an exhaust gas turbine in the exhaust system and a compressor in the induction system, comprises a variable turbine geometry, associated with the turbine, for adjustably setting a radial inlet cross section for the flow to the turbine rotor. The variable turbine geometry is configured as a guide cascade ring, which has guide vanes distributed over the periphery and encompasses the turbine rotor. The minimum distance between two adjacent guide vanes obeys a specified relationship with respect to the diameter of the turbine rotor and the number of guide vanes of the guide cascade ring. In addition, a flow edge is provided on the radially inner surface of each guide vane.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: February 15, 2005
    Assignee: DaimlerChrysler AG
    Inventors: Helmut Finger, Lothar Lenke, Erwin Schmidt, Siegfried Sumser
  • Patent number: 6834500
    Abstract: In a turbine for an exhaust gas turbocharger including a turbine wheel with a number of turbine wheel blades supported in a housing, which defines a first radial inlet flow channel and which includes in the radial inlet flow channel a variable guide vane structure for guiding exhaust gas radially onto the turbine wheel, and a second, semi-axial, flow channel for guiding exhaust gas semi-axially to the turbine wheel, the turbine wheel blades are arranged and sized so as to define between circumferentially adjacent blades, a flow passage with a flow cross-section which has a minimum at its inlet end.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: December 28, 2004
    Inventors: Siegfried Sumser, Erwin Schmidt, Stephan Schenkel
  • Publication number: 20040242513
    Abstract: Splice variants of a human “TUB” antisense gene have been discovered, which overlap with human TUB and murine “tub” in antisense orientation. The overlapping portions suggest a regulatory/attenuation effect, due to RNA-RNA-interaction. These findings demonstrate that these TUB antisense constructs can regulate weight disorders, such as obesity, and progressive sensorineural degeneration phenotypes of the central nervous system. Accordingly, the invention provides therapeutic methods utilizing these constructs, as well as methods for identifying compounds that can therapeutically treat weight disorders.
    Type: Application
    Filed: May 7, 2004
    Publication date: December 2, 2004
    Inventors: Dirk Prawitt, Bernhard Ulrich Zabel, Thomas Brueckmann, Erwin Schmidt, Andreas Winterpacht, Thomas Hankeln
  • Publication number: 20040062638
    Abstract: In a turbine for an exhaust gas turbocharger including a turbine wheel with a number of turbine wheel blades supported in a housing, which defines a first radial inlet flow channel and which includes in the radial inlet flow channel a variable guide vane structure for guiding exhaust gas radially onto the turbine wheel, and a second, semi-axial, flow channel for guiding exhaust gas semi-axially to the turbine wheel, the turbine wheel blades are arranged and sized so as to define between circumferentially adjacent blades, a flow passage with a flow cross-section which has a minimum at its inlet end.
    Type: Application
    Filed: June 20, 2003
    Publication date: April 1, 2004
    Inventors: Siegfried Sumser, Erwin Schmidt, Stephan Schenkel
  • Publication number: 20030079474
    Abstract: An exhaust gas turbocharger for an internal combustion engine, which has an exhaust gas turbine in the exhaust system and a compressor in the induction system, comprises a variable turbine geometry, associated with the turbine, for adjustably setting a radial inlet cross section for the flow to the turbine rotor. The variable turbine geometry is configured as a guide cascade ring, which has guide vanes distributed over the periphery and encompasses the turbine rotor. The minimum distance between two adjacent guide vanes obeys a specified relationship with respect to the diameter of the turbine rotor and the number of guide vanes of the guide cascade ring. In addition, a flow edge is provided on the radially inner surface of each guide vane.
    Type: Application
    Filed: October 30, 2002
    Publication date: May 1, 2003
    Applicant: DAIMLERCHRYSLER AG
    Inventors: Helmut Finger, Lothar Lenke, Erwin Schmidt, Siegfried Sumser
  • Patent number: 6546728
    Abstract: An exhaust-gas turbocharger for an internal combustion engine has a turbine having a variable turbine geometry for the variable setting of the effective flow inlet cross section to the turbine wheel. The exhaust-gas turbocharger has a compressor which is connected to the turbine via a shaft. The variable turbine geometry can be adjusted by means of a regulating device between a closed position and an open position. To compensate for wear, a stop limiting an end position of the variable turbine geometry is provided, and the position of this stop can be set in a variable manner.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: April 15, 2003
    Assignee: DaimlerChrysler AG
    Inventors: Erwin Schmidt, Siegfried Sumser
  • Patent number: 6497097
    Abstract: An engine brake for a supercharged internal combustion engine for driving a motor vehicle is operated such that the working gas compressed during engine braking, prior to the end of the expansion cycle, is drawn at least partially from the working chambers of the engine through at least one throttle valve, with an exhaust turbocharger of the engine having an exhaust turbine with variable turbine geometry. The engine braking power is regulated based upon the travel of the throttle valve and/or an intake cross section of the exhaust turbine as a function of the operating parameters of the internal combustion engine and the vehicle driving speed. Upon issuance of a signal indicating a braking performance requirement from the driver, the required braking power is applied at least preferably through the engine brake.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: December 24, 2002
    Assignee: DaimlerChrysler AG
    Inventors: Erwin Schmidt, Siegfried Sumser
  • Patent number: 6443696
    Abstract: An exhaust-gas turbocharger turbine of an internal combustion engine is provided with a spiral guide passage arranged in a turbine housing, a turbine impeller, a flow gap be ween the guide passage and the turbine impeller, and guide blades forming a guide cascade. The guide cascade with the guide blades projects axially from a support, arranged so as to be displaceable in the axial direction in the turbine housing, in such a way that the guide blades, in normal operation, are mounted in recesses of a housing wall part of the turbine housing, the recesses, in the form of a female piece, forming a mating profile shape for the guide blades. In braking operation of the internal combustion engine, the guide blades project into the flow gap during an axial displacement of the support. The device with actuation for the braking operation can be fitted as a complete module into the turbine spiral.
    Type: Grant
    Filed: October 12, 2000
    Date of Patent: September 3, 2002
    Assignee: DaimlerChrysler AG
    Inventors: Wolfgang Erdmann, Carsten Funke, Thomas Hardt, Paul Löffler, Erwin Schmidt, Siegfried Sumser
  • Publication number: 20020092300
    Abstract: An engine brake for a supercharged internal combustion engine for driving a motor vehicle is operated such that the working gas compressed during engine braking, prior to the end of the expansion cycle, is drawn at least partially from the working chambers of the engine through at least one throttle valve, with an exhaust turbocharger of the engine having an exhaust turbine with variable turbine geometry. The engine braking power is regulated based upon the travel of the throttle valve and/or an intake cross section of the exhaust turbine as a function of the operating parameters of the internal combustion engine and the vehicle driving speed. Upon issuance of a signal indicating a braking performance requirement from the driver, the required braking power is applied at least preferably through the engine brake.
    Type: Application
    Filed: March 19, 2002
    Publication date: July 18, 2002
    Applicant: Daimler-Benz Aktiengesellschaft
    Inventors: Erwin Schmidt, Siegfried Sumser
  • Publication number: 20020023438
    Abstract: An exhaust-gas turbocharger for an internal combustion engine has a turbine having a variable turbine geometry for the variable setting of the effective flow inlet cross section to the turbine wheel. The exhaust-gas turbocharger has a compressor which is connected to the turbine via a shaft. The variable turbine geometry can be adjusted by means of a regulating device between a closed position and an open position. To compensate for wear, a stop limiting an end position of the variable turbine geometry is provided, and the position of this stop can be set in a variable manner.
    Type: Application
    Filed: July 23, 2001
    Publication date: February 28, 2002
    Inventors: Erwin Schmidt, Siegfried Sumser
  • Patent number: 6318084
    Abstract: An internal-combustion engine has an engine braking device which has brake valves by way of which the combustion chamber content of the cylinders can be diverted in the engine braking phase. In the engine braking operation, the brake valves are changed into the opening position. In order to increase the operational reliability of the engine braking device, a blocking device is provided which acts upon the brake valves and which can be adjusted between a holding position and a release position. In the holding position of the blocking device, the brake valves are held in the opening position.
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: November 20, 2001
    Assignee: DaimlerChrysler AG
    Inventors: Erwin Schmidt, Siegfried Sumser