Patents by Inventor Dietmar Metz
Dietmar Metz 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).
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Patent number: 9506371Abstract: A turbocharger (1) with variable turbine geometry (VTG) having a guide grate (18) which surrounds a turbine wheel (4) radially at the outside, which has an adjusting ring (5) operatively connected to the guide blades (7) via associated blade levers (20) which are fastened to blade shafts (8) at one of the ends thereof. Each blade lever (20) has a lever head (23) which can be placed in engagement with an associated engagement recess (24), which has a base wall (26), of the adjusting ring (5), and which has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections formed by the guide blades (7). The stop is a first support point (25) on the base wall (26), wherein, in the minimum throughflow position, the lever head (23) makes contact, via a wall surface (27) facing toward the base wall (26), with said first support point.Type: GrantFiled: July 24, 2012Date of Patent: November 29, 2016Assignee: BorgWarner Inc.Inventors: Thomas Ramb, Dietmar Metz
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Publication number: 20160326998Abstract: The invention relates to apparatus (1) for a charging system of an internal combustion engine (31), comprising a housing (2) in which a secondary line (6) of an additional compressor (33) opens at an opening (54) into an air duct (5) of the internal combustion engine (31), a closing device (8) in the housing (2) for closing the air duct (5) upstream of the outlet (54), wherein the closing device (8) is arranged pivotably about a geometric axis of rotation (14), and at least one spring (21) arranged in the housing (2), wherein the spring (21) biases the closing device (8) in the closing direction, and wherein the closing device (8) is moved exclusively by the spring force of the spring (21) and the pressure condition upstream (55) and downstream (56) of the closing device (8).Type: ApplicationFiled: May 4, 2016Publication date: November 10, 2016Inventors: Dietmar METZ, Stefan JACOB, Hedwig SCHICK, Herbert PIETROWSKI, Helmut NEUSCHWANDER
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Publication number: 20160290388Abstract: A bearing arrangement (28) having at least one radial air bearing (1) and/or having an axial air bearing (15?). The radial air bearing (1) has an inner annular bearing plate (7) and a spring plate (10) which surrounds the bearing plate (7) at the outside. The bearing plate and spring plate being formed as a single-piece component.Type: ApplicationFiled: June 16, 2016Publication date: October 6, 2016Inventors: Dietmar Metz, Martin Mueller
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Patent number: 9394945Abstract: A bearing arrangement (28) having at least one radial air bearing (1) and/or having an axial air bearing (15?). The radial air bearing (1) has an inner annular bearing plate (7) and a spring plate (10) which surrounds the bearing plate (7) at the outside. The bearing plate and spring plate being formed as a single-piece component.Type: GrantFiled: August 17, 2012Date of Patent: July 19, 2016Assignee: BorgWarner Inc.Inventors: Dietmar Metz, Martin Mueller
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Publication number: 20160164362Abstract: A method for producing a coil of a compressor (1) which can be electrically driven, a coil which is produced in accordance with this method, and a stator and a compressor which can be electrically driven. The production process for the coil includes the steps of: producing (100) a first winding (101) of the coil (12), producing (200) a second winding (102) of the coil (12), and compacting (300) the first winding (101) and the second winding (102) by virtue of an external action of force. A cross-sectional area (111, 112, 111?, 112?) of a wire of the first winding (101) and of the second winding (102) is deformed.Type: ApplicationFiled: July 29, 2014Publication date: June 9, 2016Inventors: Hans LEHNER, Dietmar METZ
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Publication number: 20160156236Abstract: A supercharging apparatus (20) for a combustion engine (21) having an electrically drivable compressor (1), which has a compressor housing (2) in which a compressor wheel (3) is arranged, which compressor wheel is fastened on one end (4) of a rotor shaft (5), and which has a compressor housing rear wall (6), which is arranged behind the compressor wheel (3) and closes the compressor housing (2); an electric motor (7); and a stator winding (12), which has a line (21) formed from a multiplicity of litz wires (22, 23, 24). The litz wires (22, 23, 24) of the line (21) have a first degree of twisting in an end winding region (25) of the stator winding (12) and have a second degree of twisting in a magnetically active section (I, II, III, IV). The first degree of twisting is higher than the second degree of twisting.Type: ApplicationFiled: June 25, 2014Publication date: June 2, 2016Inventor: Dietmar METZ
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Publication number: 20160123336Abstract: A charging apparatus (20) for a combustion engine, having a compressor (1) which has a compressor housing (2) in which a compressor wheel (3) is arranged, the compressor wheel being mounted on one end (4) of a rotor shaft (5), and which has a compressor housing rear wall (6); and having an electric motor (7) which has a stator winding (12) which surrounds a magnet (11), which is arranged on the rotor shaft (5), on the outside. The stator winding (12) is an iron-free stator winding, and the electric motor (7) is a brushless DC motor.Type: ApplicationFiled: June 23, 2014Publication date: May 5, 2016Inventors: Gerd SPINNER, Dietmar METZ, Andreas BLEIL, Victor RITZHAUPT
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Publication number: 20160010542Abstract: An exhaust-gas turbocharger (1) having a turbine (2) which has a turbine wheel (3) surrounded by an inflow duct (4), and having a VTG cartridge (5), which VTG cartridge has a disk (6) and a vane bearing ring (7), which delimit the inflow duct (4), and which VTG cartridge has a multiplicity of vanes (8) which are arranged in the inflow duct (4) and which are mounted in the vane bearing ring (7) by way of rotatable vane shafts (9), which vane shafts are connected to vane levers (10), the lever heads (11) of which engage into associated grooves (12) in an adjusting ring (13) which surrounds the vane bearing ring (7) on the outside. At least one min-flow stop (25, 26) has, on an outer surface (31), a laser-cut portion (32).Type: ApplicationFiled: February 28, 2014Publication date: January 14, 2016Applicant: BorgWarner Inc.Inventor: Dietmar Metz
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Publication number: 20150292350Abstract: An exhaust-gas turbocharger (1) having a turbine (2) which has a turbine wheel (3) surrounded by an inflow duct (4), and having a VTG cartridge (5), which VTG cartridge has a disc (6) and a vane bearing ring (7), which delimit the inflow duct (4), and which VTG cartridge has a multiplicity of vanes (8) which are arranged in the inflow duct (4) and which are mounted in the vane bearing ring (7) by way of rotatable vane shafts (9), which vane shafts are connected to vane levers (10), the lever heads (11) of which engage into associated grooves (12) in an adjusting ring (13) which surrounds the vane bearing ring (7) on the outside; and having a radial bearing between the adjusting ring (13) and the vane bearing ring (7). Two min-flow stops (25, 26) are arranged, with a selectable angular spacing (?) with respect to one another, on the vane bearing ring (7).Type: ApplicationFiled: November 14, 2013Publication date: October 15, 2015Inventor: Dietmar Metz
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Publication number: 20150132112Abstract: A variable turbine geometry (VTG) exhaust-gas turbocharger in which guide vanes are adjusted by means of a unison ring, the structure of which has a simpler and thus more cost-effective design. The number of components is reduced, for example for rollers on pins as are provided in the case of known bearings. A very beneficial relationship between friction radius and rolling radius in the given installation space is obtained.Type: ApplicationFiled: April 19, 2013Publication date: May 14, 2015Inventors: Dietmar Metz, Martin Mueller, Thomas Ramb
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Publication number: 20150118028Abstract: An exhaust-gas turbocharger (1) having a turbine (2), with a turbine wheel (3) surrounded by an intake duct (4), and a VTG cartridge (5), with a washer (6) and a vane bearing ring (7), which delimit the intake duct (4), and with a plurality of vanes (8), arranged in the intake duct (4) and mounted in the vane bearing ring (7) by way of rotatable vane shafts (9), which are connected to vane levers (10), the lever heads (11) of which engage into associated grooves (12) in a unison ring (13), which surrounds the vane bearing ring (7); and having a radial bearing between the unison ring (13) and the vane bearing ring (7). The vane levers (10) for forming the radial bearing are in the form of cam levers, the lever heads (11) of which are supported in the grooves (12).Type: ApplicationFiled: April 19, 2013Publication date: April 30, 2015Inventors: Dietmar Metz, Martin Mueller, Thomas Ramb
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Patent number: 8992164Abstract: The invention relates to a turbocharger (1) with variable turbine geometry (VTG), having a turbine housing (2) with a supply duct (9) for exhaust gases, having a turbine rotor (4) which is rotatably mounted in the turbine housing (2); and having a guide grate (18), which surrounds the turbine rotor (4) radially at the outside, which has a blade bearing ring (6), which has a multiplicity of guide blades (7) which have in each case one blade shaft (8) mounted in the blade bearing ring (6), which has an adjusting ring (5) which is operatively connected to the guide blades (7) by means of associated blade levers (20) fastened to the blade shafts (8) at one of their ends, with each blade lever (20) having, at the other end, a lever head (23) which can be placed in engagement with an associated engagement recess (24) of the adjusting ring (5), and which has a bearing arrangement (28) for fixing the adjusting ring (5) to the blade bearing ring (6), wherein the bearing arrangement (28) is formed as a plain bearing arType: GrantFiled: November 16, 2010Date of Patent: March 31, 2015Assignee: BorgWarner Inc.Inventors: Thomas Ramb, Dietmar Metz
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Publication number: 20150086340Abstract: An exhaust-gas turbocharger (1) having a turbine (2), which has a turbine wheel (3) surrounded by an intake duct (4), and having a VTG cartridge (5), which has a disk (6) and a vane bearing ring (7), which delimit the intake duct (4), and which has a plurality of vanes (8), which are arranged in the intake duct (4) and are mounted in the vane bearing ring (7) by way of rotatable vane shafts (9), which are connected to vane levers (10), the lever heads (11) of which engage into associated grooves (12) in a unison ring (13), which surrounds the vane bearing ring (7) on the outside, and which has an adjusting lever (14) which is operatively connected to an adjusting shaft (15) in order to transmit an adjusting torque to the unison ring (13). The adjusting lever (14) is of planar configuration.Type: ApplicationFiled: April 19, 2013Publication date: March 26, 2015Inventors: Thomas Ramb, Dietmar Metz, Christian Haibt, Julia Nohl
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Publication number: 20140186745Abstract: An air feed device (1) for a fuel cell, having a shaft (2); a compressor wheel (4) fastened to one of the ends (5, 20) of the shaft (2), a bearing arrangement (6, 7, 8) arranged in a bearing housing (9) for mounting the shaft (2), and an electric motor (10) for driving the shaft (2), which electric motor is arranged in the bearing housing (9). The shaft (2) has two shaft bearing portions (11, 12) and a magnet portion (13) arranged between the shaft bearing portions (11, 12), forming the rotor of the electric motor (10). The shaft bearing portions (11, 12) and the magnet portion (13) are centered relative to one another by means of a centering arrangement (12A, 13F) which engages on an outer edge (A), the shaft bearing portions (11, 12) and the magnet portion (13) bearing in each case axially against one another.Type: ApplicationFiled: August 17, 2012Publication date: July 3, 2014Applicant: BORGWARNER INC.Inventors: Dietmar Metz, Martin Mueller, Aleksandar Sekularac
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Publication number: 20140185969Abstract: A bearing arrangement (28) having at least one radial air bearing (1) and/or having an axial air bearing (15?). The radial air bearing (1) has an inner annular bearing plate (7) and a spring plate (10) which surrounds the bearing plate (7) at the outside. The bearing plate and spring plate being formed as a single-piece component.Type: ApplicationFiled: August 17, 2012Publication date: July 3, 2014Applicant: BORGWARNER INC.Inventors: Dietmar Metz, Martin Mueller
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Publication number: 20140154055Abstract: A turbocharger (1) with variable turbine geometry (VTG) having a guide grate (18) which surrounds a turbine wheel (4) radially at the outside, which has an adjusting ring (5) operatively connected to the guide blades (7) via associated blade levers (20) which are fastened to blade shafts (8) at one of the ends thereof. Each blade lever (20) has a lever head (23) which can be placed in engagement with an associated engagement recess (24), which has a base wall (26), of the adjusting ring (5), and which has a stop (25) at least for setting the minimum throughflow through the nozzle cross sections formed by the guide blades (7). The stop is a first support point (25) on the base wall (26), wherein, in the minimum throughflow position, the lever head (23) makes contact, via a wall surface (27) facing toward the base wall (26), with said first support point.Type: ApplicationFiled: July 24, 2012Publication date: June 5, 2014Applicant: BORGWARNER INC.Inventors: Thomas Ramb, Dietmar Metz
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Patent number: 8672619Abstract: A vane (234) is provided which reduces leakage of gas in a variable geometry turbocharger (210) from the high pressure side of the vane (234) to the low pressure side of the vane (234). The vane (234) can have a channel (330, 430) along a gas bearing surface (325, 425) for reducing the leakage. The channel (330, 430) can be defined at least in part by sideplates (300, 350). The sideplates (300, 350) can be integrally cast with the rest of the vane (234). At least one of the sideplates (300, 350) can have a hole therein for a vane shaft (228) which allows movement of the vane (234) for gas flow control. The sideplates (300, 350) can have edges (301, 351) that conform to the shape of the gas bearing surface (325, 425).Type: GrantFiled: September 20, 2012Date of Patent: March 18, 2014Assignee: BorgWarnerInventors: Steve Roby, David M. Decker, Dietmar Metz
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Patent number: 8641382Abstract: A turbocharger includes a plurality of blades (7; 7?) which are arranged in a turbine casing (2). Each blade has the following: a profile underside (8; 8?) and a profile top side (9; 9?) which determine the blade thickness, a blade leading edge (10; 10?) at a first intersection of the blade underside (8; 8?) and the blade top side (9; 9?), a blade trailing edge (11; 11?) at a second intersection of the blade underside (8; 8?) and the blade top side (9; 9?), a profile center line (12; 12?) which is defined by the blade underside (8; 8?) and the blade top side (9; 9?) and runs between them from the blade leading edge (10; 11?) to the blade trailing edge (11; 11?), and in which the profile center line (12; 12?) runs in a wave-like manner.Type: GrantFiled: November 24, 2006Date of Patent: February 4, 2014Assignee: BorgWarner Inc.Inventors: Mathias Weber, Jochen Zuck, Dietmar Metz
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Patent number: 8500395Abstract: A vane (234) is provided which reduces leakage of gas in a variable geometry turbocharger (210) from the high pressure side of the vane (234) to the low pressure side of the vane (234). The vane (234) can have a channel (330, 430) along a gas bearing surface (325, 425) for reducing the leakage. The channel (330, 430) can be defined at least in part by sideplates (300, 350). The sideplates (300, 350) can be integrally cast with the rest of the vane (234). At least one of the sideplates (300, 350) can have a hole therein for a vane shaft (228) which allows movement of the vane (234) for gas flow control. The sideplates (300, 350) can have edges (301, 351) that conform to the shape of the gas bearing surface (325, 425).Type: GrantFiled: February 14, 2008Date of Patent: August 6, 2013Assignee: BorgWarner Inc.Inventors: Steve Roby, David M. Decker, Dietmar Metz
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Publication number: 20130170976Abstract: A VTG cartridge (1, 2) of an exhaust-gas turbocharger (2), with a blade bearing ring (3), and a disk (4), which is spaced apart from the blade bearing ring (3) and together with the latter delimits a hot-gas passage (5). The disk (4) is constructed from at least two layers (6, 7, 6?, 7?), which bear loosely against one another in the assembled state of the disk (4).Type: ApplicationFiled: September 16, 2011Publication date: July 4, 2013Applicant: Borgwarner Inc.Inventors: Thomas Ramb, Dietmar Metz