Patents by Inventor Georg Ruetz

Georg Ruetz 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).

  • Patent number: 8113182
    Abstract: Integrated supercharger module having a low-pressure charging device (2) having a low-pressure compressor housing (4), a high-pressure charging device (3) having a high-pressure compressor housing (5), a turbine (9) and a cooler arrangement, wherein the low-pressure charging device (2), the high-pressure charging device (3), the turbine (9) and the cooler arrangement form a structural unit.
    Type: Grant
    Filed: May 22, 2008
    Date of Patent: February 14, 2012
    Assignee: Behr GmbH & Co. KG
    Inventors: J├╝rgen Wegner, Joachim Huster, Georg Ruetz
  • Patent number: 7617811
    Abstract: A crankcase for an internal combustion engine with two side walls, an upper surface and a first end face, where the side walls, the upper surface, and the first end face are joined with one another as a single piece. The crankcase is open at the second end face, and an adapter flange detachably seals the second end face of the crankcase from the outside environment.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: November 17, 2009
    Assignee: MTU Friedrichshafen GmbH
    Inventors: Dagmar Neu, Georg Ruetz
  • Publication number: 20090211244
    Abstract: Integrated supercharger module having a low-pressure charging device (2) having a low-pressure compressor housing (4), a high-pressure charging device (3) having a high-pressure compressor housing (5), a turbine (9) and a cooler arrangement, wherein the low-pressure charging device (2), the high-pressure charging device (3), the turbine (9) and the cooler arrangement form a structural unit.
    Type: Application
    Filed: May 22, 2008
    Publication date: August 27, 2009
    Applicant: BEHR GMBH & CO. KG
    Inventors: Jurgen Wegner, Joachim Huster, Georg Ruetz
  • Publication number: 20080210193
    Abstract: A crankcase for an internal combustion engine with two side walls, an upper surface and a first end face, where the side walls, the upper surface, and the first end face are joined with one another as a single piece. The crankcase is open at the second end face, and an adapter flange detachably seals the second end face of the crankcase from the outside environment.
    Type: Application
    Filed: February 29, 2008
    Publication date: September 4, 2008
    Inventors: Dagmar Neu, Georg Ruetz
  • Patent number: 7398756
    Abstract: In a bottom plate for closing a crankcase of an internal combustion engine wherein the bottom plate includes openings and channels for collecting and conducting fluids, the bottom plate consists of a number of individual plates which are joined together after the channels and openings have been cut into the individual plates by laser beam cutting or water beam cutting.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: July 15, 2008
    Assignee: MTU Friedrichshafen GmbH
    Inventor: Georg Ruetz
  • Patent number: 7225785
    Abstract: In a bottom plate for closing the crankcase of an internal combustion engine including coolant and lubricant flow channels integrated into the bottom plate which consists of individual plates stacked on top of one another, a heat exchanger, which consists of heat exchanger plates stacked on top of one another as disposed on the bottom plate so as to form at least one common chamber therewith for transferring at least one of coolant and lubricant between the bottom plate and the heat exchanger.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: June 5, 2007
    Assignee: MTU Friedrichshafen
    Inventors: Michael Groddeck, Joachim Huster, Georg Ruetz
  • Publication number: 20060213476
    Abstract: In a bottom plate for closing a crankcase of an internal combustion engine wherein the bottom plate includes openings and channels for collecting and conducting fluids, the bottom plate consists of a number of individual plates which are joined together after the channels and openings have been cut into the individual plates by laser beam cutting or water beam cutting.
    Type: Application
    Filed: May 31, 2006
    Publication date: September 28, 2006
    Inventor: Georg Ruetz
  • Patent number: 7066133
    Abstract: A cover plate is provided for closing a crankcase of an internal-combustion engine on its underside. The cover plate has a suction point for collecting lubricant from the crankcase. With respect to the crankcase, the suction point is closed off by a screen plate. This screen plate comprises a first area with passage openings for the lubricant and a second area which is impervious to the lubricant. The screen plate has the effect that a reliable lubricant intake from the suction point is ensured even in the event of a tilt of the internal-combustion engine.
    Type: Grant
    Filed: June 7, 2004
    Date of Patent: June 27, 2006
    Assignee: MTU Friedrichshafen GmbH
    Inventors: Michael Groddeck, Marc Lotz, Georg Ruetz
  • Publication number: 20060096556
    Abstract: In a bottom plate for closing the crankcase of an internal combustion engine including coolant and lubricant flow channels integrated into the bottom plate which consists of individual plates stacked on top of one another, a heat exchanger, which consists of heat exchanger plates stacked on top of one another as disposed on the bottom plate so as to form at least one common chamber therewith for transferring at least one of coolant and lubricant between the bottom plate and the heat exchanger.
    Type: Application
    Filed: November 2, 2005
    Publication date: May 11, 2006
    Inventors: Michael Groddeck, Joachim Huster, Georg Ruetz
  • Patent number: 6935021
    Abstract: A method for plastic molding of a hub recess for a fast-running turbine component is provided. The plastic molding of the hub recess occurs by hydraulic expansion, by way of a hydraulic fluid introduced into the hub recess of the turbine component under high pressure.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: August 30, 2005
    Assignee: MTU Friedrichshafen GmbH
    Inventor: Georg Ruetz
  • Publication number: 20050011482
    Abstract: A cover plate is provided for closing a crankcase of an internal-combustion engine on its underside. The cover plate has a suction point for collecting lubricant from the crankcase. With respect to the crankcase, the suction point is closed off by a screen plate. This screen plate comprises a first area with passage openings for the lubricant and a second area which is impervious to the lubricant. The screen plate has the effect that a reliable lubricant intake from the suction point is ensured even in the event of a tilt of the internal-combustion engine.
    Type: Application
    Filed: June 7, 2004
    Publication date: January 20, 2005
    Applicant: MTU FREIDRICHSHAFEN GMBH
    Inventors: Michael Groddeck, Marc Lotz, Georg Ruetz
  • Publication number: 20030177800
    Abstract: A method for plastic molding of a hub recess for a fast-running turbine component is provided. The plastic molding of the hub recess occurs by hydraulic expansion, by way of a hydraulic fluid introduced into the hub recess of the turbine component under high pressure.
    Type: Application
    Filed: February 28, 2003
    Publication date: September 25, 2003
    Inventor: Georg Ruetz
  • Patent number: 5463867
    Abstract: An exhaust system for a supercharged internal-combustion engine in which of the exhaust-gas-carrying components, the exhaust gas pipes leading from the cylinder outlets to the turbines, or the turbines, or the turbines and the exhaust gas pipes are arranged jointly in an exhaust-gas-tight housing. Openings in the exhaust-gas-carrying components cause the space formed between the exhaust-gas-carrying components and the housing to be filled with exhaust gas. By way of a bypass pipe which is connected with the space and leads to the turbine, exhaust gas can be blown off from the space. A blow-off valve is arranged in the bypass pipe.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: November 7, 1995
    Assignee: MTU Motoren- und Turbinen-Union Friedrichshafen GmbH
    Inventor: Georg Ruetz
  • Patent number: 5342019
    Abstract: A throttle flap construction (12) is installed in an exhaust gas duct (11). For the installation the duct wall is provided with a radially facing, axially extending narrow slot (20) centrally provided with a circular opening so that a flap disk (14) may pass radially inwardly through the slot while a bearing portion (17) of the flap disk (14) may pass through the central circular opening. During installation, the flap disk (14) extends vertically when the throttle unit is inserted, a cover (16) is bolted to a flange (11A) surrounding the slot (20) and the central opening (21). Thus, the duct (11) can be properly sealed without cutting entirely through the duct in a radial plane.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: August 30, 1994
    Assignee: MTU Motoren- und Turbinen-Union Friedrichshafen GmbH
    Inventors: Hermann Braun, Georg Ruetz
  • Patent number: 5253985
    Abstract: An exhaust gas turbocharger having rotor runners disposed in roller bearings protects the roller bearings from shocks and vibrations by a pressure-oil-filled oil film damper. By a shut-off device arranged in the main lubricating oil duct, the lubricating oil supply of the roller bearings is shut off when the rotor runners are stopped. However, the pressure oil supply of the oil film damper remains operative so that the oil film damper retains its operability.
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: October 19, 1993
    Assignee: MTU Motoren- und Turbinen-Union Friedrichshafen GmbH
    Inventor: Georg Ruetz
  • Patent number: 5129782
    Abstract: A sealing device has two circumferentially fixed sealing rings which, together with a common ring groove in a turbo-machine shaft for both sealing rings, result in a labyrinth seal between the sealing gas space and the lubricating-oil relief space and between the sealing gas space and the rotor disk space. In the event of a disturbance of the sealing gas supply, both sealing rings are supported at a gradation of a shaft lead-through bore which prevents a total wearing-out of the sealing rings.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: July 14, 1992
    Assignee: MTU Motoren-und Turbinen-Union Friedrichshafen GmbH
    Inventor: Georg Ruetz
  • Patent number: 4903489
    Abstract: During idling or partial load of the reciprocating piston-internal combustion engine, the exhaust gas turbocharger (18) is shut-down and the fuel supply is interrupted with some cylinders (12). An optimum charging air supply matched to the operating condition of the reciprocating piston-internal combustion engine results by a controllable shifting device (32) in the charging air line section (14) of the shut-down cylinders (12). The passage from the charging air line (19) to the charging air line section (14) is closed by the shifting device (32) during operating periods with interruption of the fuel supply to the cylinders (12). At the same time, a passage opens from a suction opening (33) to the charging air line section (14), through which the air requirement of the disabled cylinders (12) is covered. The interconnected exhaust gas turbocharger (17) thereby operates in a favorable operating range.
    Type: Grant
    Filed: July 6, 1988
    Date of Patent: February 27, 1990
    Assignee: MTU Motoren- und Turbinen-Union Friedrichshafen GmbH
    Inventor: Georg Ruetz
  • Patent number: 4865332
    Abstract: A sealing arrangement between a shaft and a housing of a fluid flow engine consists of a blocking gas space acted upon with blocking gas, which is delimited by two sealing rings guided in annular grooves of the shaft and radially sealingly abutting at the shaft through-bore. In order to avoid operation-endangering wear of the sealing rings in case of failure of the blocking gas supply, the shaft through-bore is constructed with three diameter regions mutually offset by right angle steps. The steps form each an axial support for the coordinated sealing ring which comes into action when a permissive initial wear has occurred at the sealing ring.
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: September 12, 1989
    Assignee: MTU Motoren- und Turbinen-Union Friedrichshafen GmbH
    Inventor: Georg Ruetz
  • Patent number: 4808091
    Abstract: A bearing support of the rotor of an exhaust gas turbocharger with two inwardly disposed roller bearings in which, to assure a long length of life of the bearing, the roller members of the bearings are pressed constantly against their races so that they roll off along the same in a defined manner and no wear occurs as a result of sliding or load changes. The abutment forces which act at the bearings are produced by one or several pneumatic cylinders whose pressure spaces are preferably in connection with a gas space of the compressor. As the magnitude of the charging pressure of the compressor is dependent on the rotational speed, the abutment forces are also variable with the rotational speed. The piston surfaces of the pressure cylinders are so matched that at low rotational speeds as low as possible a bearing friction loss results whereas the abutment forces are still sufficiently high to assure a damage-free bearing operation.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: February 28, 1989
    Assignee: MTU-Motoren-und Turbinen-Union Friedrichshafen GmbH
    Inventor: Georg Ruetz
  • Patent number: 4753076
    Abstract: A piston internal combustion engine with two-stage supercharging in which two exhaust gas turbocharger groups consisting each of a high pressure and low pressure exhaust gas turbocharger, supply the piston internal combustion engine with charging air. One exhaust gas turbocharger group is constructed to be connected and disconnected, whereby a closure device is arranged in the exhaust gas line of the high pressure exhaust gas turbocharger and a check valve is arranged in the suction line of the low pressure exhaust gas turbocharger. For connecting and disconnecting the exhaust gas turbocharger group at partial load, the cross section of the closure devices is controlled. In order to avoid nonpermissive excess rotational speeds in the rotating parts of the high pressure exhaust gas turbocharger during a connecting operation, charging air is conducted back from the pressure side to the suction side by way of a controllable bypass line between the suction and pressure line of the high pressure compressor.
    Type: Grant
    Filed: March 4, 1987
    Date of Patent: June 28, 1988
    Assignee: MTU Friedrichshafen GmbH
    Inventors: Herbert Deutschmann, Georg Ruetz