Patents by Inventor Mark Schweiher
Mark Schweiher 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: 10193415Abstract: An electric machine arrangement for a motor vehicle drivetrain, having a machine housing which can be fixed to a drivetrain housing, a stator which is fixed relative to the machine housing, a rotor which is mounted, concentrically with respect to the stator, within the machine housing and which has a rotor axis, wherein an air gap is defined between the stator and the rotor. Here, the rotor has a rotary bearing section which is mounted, with a radial clearance, rotatably relative to a housing bearing section of the machine housing, wherein the radial clearance is smaller than the air gap.Type: GrantFiled: March 23, 2016Date of Patent: January 29, 2019Assignee: GETRAG Getriebe- und Zahnradfabrik Hermann HagenInventors: Harald Ihben, Holger Berg, Mark Schweiher, Thomas Hoffmeister
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Patent number: 10119539Abstract: An internal-gear pump has a housing which has a first fluid port and a second fluid port. An inner rotor is mounted in the housing so as to be rotatable about an inner rotor axis and has an external toothing. An outer rotor is rotatable in the housing about an outer rotor axis and has an internal toothing which, to generate a pump action, engages with the external toothing of the inner rotor. The internal-gear pump furthermore has a ring element which is mounted movably in the housing so as to be pivotable between a first position and a second position. At least a third fluid port is formed on the housing. The third fluid port is arranged relative to the ring element such that, in the first position of the ring element, the third fluid port is connected to the second fluid port. In the second position, said third fluid port is separated from the second fluid port.Type: GrantFiled: September 12, 2014Date of Patent: November 6, 2018Assignee: GETRAG Getriebe—und Zahnradfabrik Hermann HagenInventors: Mark Schweiher, Thomas Hoffmeister, Sven Schuster, Holger Berg
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Patent number: 9939031Abstract: Hybrid automotive transmission arrangement with a gear transmission for establishing at least one transmission ratio between a transmission input and a transmission output, wherein the gear transmission has a gear set with a coupling gear. An electric machine has a machine output shaft with a drive gear, which is coupled directly or via a coupling gear set to the coupling gear of the transmission gear set so that a power transmission pathway is established from the machine output shaft to the coupling gear. A slip clutch is arranged in the power transmission path.Type: GrantFiled: June 5, 2015Date of Patent: April 10, 2018Assignee: GETRAG GETRIEBE-UND ZAHNRADFRABRIK HERMANN HAGENMEYER GMBH & CIE KGInventors: Mark Schweiher, Thomas Hoffmeister, Harald Ihben
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Patent number: 9739363Abstract: A gearbox for a motor vehicle. The gearbox comprises at least one fluid supply system. The fluid supply system comprises at least one pump. The fluid supply system comprises at least one fluid sump. The fluid supply system comprises at least one fluid reservoir. The fluid reservoir comprises at least a first fluid outflow leading into the fluid sump. The first fluid outflow can be controlled as a function of a state variable.Type: GrantFiled: May 27, 2015Date of Patent: August 22, 2017Assignee: GETRAG GETRIEBE- UND ZAHNRADFABRIK HERMANN HAGENMEYER GMBH & CIE KGInventors: Mark Schweiher, Ulrich Eggert, Andreas Hegerath
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Publication number: 20160301281Abstract: An electric machine arrangement for a motor vehicle drivetrain, having a machine housing which can be fixed to a drivetrain housing, a stator which is fixed relative to the machine housing, a rotor which is mounted, concentrically with respect to the stator, within the machine housing and which has a rotor axis, wherein an air gap is defined between the stator and the rotor. Here, the rotor has a rotary bearing section which is mounted, with a radial clearance, rotatably relative to a housing bearing section of the machine housing, wherein the radial clearance is smaller than the air gap.Type: ApplicationFiled: March 23, 2016Publication date: October 13, 2016Inventors: Harald Ihben, Holger Berg, Mark Schweiher, Thomas Hoffmeister
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Patent number: 9242546Abstract: A drivetrain for a motor vehicle has a first electric machine provides drive power, wherein the first electric machine is connected to an electrical energy store. A differential can distribute drive power to two driven wheels or axles of the motor vehicle. A first transmission arrangement which connects the first electric machine to the differential. A second electric machine which is coupled to an internal combustion engine in order to charge the electrical energy store in a generator mode. A second transmission arrangement connects the internal combustion engine to the differential. The second transmission arrangement has a first gear stage and a second gear stage which can be alternately engaged, for the transmission of drive power from the internal combustion engine to the differential, by means of a clutch arrangement.Type: GrantFiled: November 22, 2013Date of Patent: January 26, 2016Assignee: GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGInventors: Günter Rühle, Jochen Bausch, Mark Schweiher, Jörg Meissner
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Publication number: 20150362025Abstract: Hybrid automotive transmission arrangement with a gear transmission for establishing at least one transmission ratio between a transmission input and a transmission output, wherein the gear transmission has a gear set with a coupling gear. An electric machine has a machine output shaft with a drive gear, which is coupled directly or via a coupling gear set to the coupling gear of the transmission gear set so that a power transmission pathway is established from the machine output shaft to the coupling gear. A slip clutch is arranged in the power transmission path.Type: ApplicationFiled: June 5, 2015Publication date: December 17, 2015Inventors: Mark Schweiher, Thomas Hoffmeister, Harald Ihben
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Publication number: 20150345616Abstract: A gearbox for a motor vehicle. The gearbox comprises at least one fluid supply system. The fluid supply system comprises at least one pump. The fluid supply system comprises at least one fluid sump. The fluid supply system comprises at least one fluid reservoir. The fluid reservoir comprises at least a first fluid outflow leading into the fluid sump. The first fluid outflow can be controlled as a function of a state variable.Type: ApplicationFiled: May 27, 2015Publication date: December 3, 2015Inventors: Mark Schweiher, Ulrich Eggert, Andreas Hegerath
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Patent number: 9126576Abstract: A clutch arrangement for a drivetrain of a motor vehicle. The clutch arrangement has a first clutch, a second clutch, and a hydraulic actuator arrangement. The actuator arrangement has a first hydraulic cylinder for actuating the first clutch and a second hydraulic cylinder for actuating the second clutch. The actuator arrangement has an actuator pump which is driven by means of an electric motor and which can be operated in two directions of rotation. The actuator pump has a first port, which is connected to the first hydraulic cylinder, and a second port, which is connected to the second hydraulic cylinder. The actuator arrangement actuates the first or the second clutch depending on the direction of rotation of the actuator pump.Type: GrantFiled: November 20, 2013Date of Patent: September 8, 2015Assignee: GETRAG Getriebe—und Zahnradfabrik Harmann Hagenmeyer GmbH & Cie KGInventors: Günter Rühle, Mark Schweiher
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Patent number: 9045034Abstract: A drive train for a motor vehicle has an internal combustion engine and a hydraulically shiftable transmission unit. The input of the transmission can be connected via a clutch arrangement to a crankshaft of the internal combustion engine. The output of the transmission can be connected to driven wheels of the motor vehicle. The crankshaft is connected to a pump shaft which drives a pump arrangement for a hydraulic arrangement, by means of which the transmission unit is shifted and/or lubricated. The pump shaft is connected to an electric machine. The pump shaft is connected to the crankshaft via a constrained motion mechanism. The electric machine is arranged in the axial direction between the constrained motion mechanism and a pump of the pump arrangement.Type: GrantFiled: March 7, 2012Date of Patent: June 2, 2015Assignee: GETRAG Getriebi-und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGInventors: Mark Schweiher, Birgit Reindt, Torsten Kramm
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Publication number: 20150086403Abstract: An internal-gear pump has a housing which has a first fluid port and a second fluid port. An inner rotor is mounted in the housing so as to be rotatable about an inner rotor axis and has an external toothing. An outer rotor is rotatable in the housing about an outer rotor axis and has an internal toothing which, to generate a pump action, engages with the external toothing of the inner rotor. The internal-gear pump furthermore has a ring element which is mounted movably in the housing so as to be pivotable between a first position and a second position. At least a third fluid port is formed on the housing. The third fluid port is arranged relative to the ring element such that, in the first position of the ring element, the third fluid port is connected to the second fluid port. In the second position, said third fluid port is separated from the second fluid port.Type: ApplicationFiled: September 12, 2014Publication date: March 26, 2015Inventors: Mark Schweiher, Thomas Hoffmeister, Sven Schuster, Holger Berg
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Publication number: 20140080650Abstract: A drivetrain for a motor vehicle has a first electric machine provides drive power, wherein the first electric machine is connected to an electrical energy store. A differential can distribute drive power to two driven wheels or axles of the motor vehicle. A first transmission arrangement which connects the first electric machine to the differential. A second electric machine which is coupled to an internal combustion engine in order to charge the electrical energy store in a generator mode. A second transmission arrangement connects the internal combustion engine to the differential. The second transmission arrangement has a first gear stage and a second gear stage which can be alternately engaged, for the transmission of drive power from the internal combustion engine to the differential, by means of a clutch arrangement.Type: ApplicationFiled: November 22, 2013Publication date: March 20, 2014Inventors: Günter Rühle, Jochen Bausch, Mark Schweiher, Jörg Meissner
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Publication number: 20140080666Abstract: A clutch arrangement for a drivetrain of a motor vehicle. The clutch arrangement has a first clutch, a second clutch, and a hydraulic actuator arrangement. The actuator arrangement has a first hydraulic cylinder for actuating the first clutch and a second hydraulic cylinder for actuating the second clutch. The actuator arrangement has an actuator pump which is driven by means of an electric motor and which can be operated in two directions of rotation. The actuator pump has a first port, which is connected to the first hydraulic cylinder, and a second port, which is connected to the second hydraulic cylinder. The actuator arrangement actuates the first or the second clutch depending on the direction of rotation of the actuator pump.Type: ApplicationFiled: November 20, 2013Publication date: March 20, 2014Applicant: GETRAG Getriebe-und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGInventors: Günter Rühle, Mark Schweiher
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Patent number: 8344565Abstract: An actuator arrangement for the axial displacement of an actuation member by means of a drive force which is generated by an electric machine, in particular for a shift-clutch arrangement of a multi-step gear change transmission. The actuation member is mounted axially displaceably on a rotary shaft. The electric machine has a stator fixed to a housing and a rotor which is coupled to the actuation member and is arranged coaxially with respect to the actuation member. The rotor is coupled to the actuation member with a form fit in the axial direction. Here, the rotor or the actuation member has a radial projection which engages into a radial groove of the other part.Type: GrantFiled: September 3, 2008Date of Patent: January 1, 2013Assignee: GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGInventors: Mark Schweiher, Uli Christian Blessing, Thorsten Gatzka, Ulrich Knoedel
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Publication number: 20120227394Abstract: A drive train for a motor vehicle has an internal combustion engine and a hydraulically shiftable transmission unit. The input of the transmission can be connected via a clutch arrangement to a crankshaft of the internal combustion engine. The output of the transmission can be connected to driven wheels of the motor vehicle. The crankshaft is connected to a pump shaft which drives a pump arrangement for a hydraulic arrangement, by means of which the transmission unit is shifted and/or lubricated. The pump shaft is connected to an electric machine. The pump shaft is connected to the crankshaft via a constrained motion mechanism. The electric machine is arranged in the axial direction between the constrained motion mechanism and a pump of the pump arrangement.Type: ApplicationFiled: March 7, 2012Publication date: September 13, 2012Applicant: GETRAG Getriebe-und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGInventors: Mark SCHWEIHER, Birgit REINDT, Torsten KRAMM
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Patent number: 7861839Abstract: A lock arrangement for a transmission, in particular in the form of a parking-lock arrangement for an automated transmission. The lock arrangement is prestressed by a first spring accumulator into a locking position in which the transmission is locked. The lock arrangement is capable of being shifted by means of an actuator from the locking position into a release position in which the transmission is released. The lock arrangement has an electronically activatable blocking device which is designed for blocking the lock arrangement mechanically in the locking position.Type: GrantFiled: April 27, 2007Date of Patent: January 4, 2011Assignee: GETRAG Getriebe-und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGInventors: Mark Schweiher, Lothar Herdle, Armin Flaig
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Patent number: 7832537Abstract: A dual clutch arrangement with an input shaft, with a first friction clutch, and with a second friction clutch. The input element of the first friction clutch is connected to the input shaft and the output element thereof is connected to a first output shaft. The input element of the second friction clutch is connected to the input shaft and the output element thereof is connected to a second output shaft. The output shafts are connectable to corresponding input shafts of a dual clutch transmission. An electric machine is connected to the first output shaft. The electric machine is arranged coaxially with the first friction clutch.Type: GrantFiled: December 14, 2006Date of Patent: November 16, 2010Assignee: GETRAG Getriebe- unk Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGInventors: Uli Christian Blessing, Thomas Deigner, Kuno Fronius, Hansi Gremplini, Guenter Ruehle, Mark Schweiher, Walter Wolf
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Publication number: 20090066169Abstract: An actuator arrangement for the axial displacement of an actuation member by means of a drive force which is generated by an electric machine, in particular for a shift-clutch arrangement of a multi-step gear change transmission. The actuation member is mounted axially displaceably on a rotary shaft. The electric machine has a stator fixed to a housing and a rotor which is coupled to the actuation member and is arranged coaxially with respect to the actuation member. The rotor is coupled to the actuation member with a form fit in the axial direction. Here, the rotor or the actuation member has a radial projection which engages into a radial groove of the other part.Type: ApplicationFiled: September 3, 2008Publication date: March 12, 2009Inventors: Mark Schweiher, Uli Christian Blessing, Thorsten Gatzka, Ulrich Knoedel
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Publication number: 20070283735Abstract: A lock arrangement for a transmission, in particular in the form of a parking-lock arrangement for an automated transmission. The lock arrangement is prestressed by a first spring accumulator into a locking position in which the transmission is locked. The lock arrangement is capable of being shifted by means of an actuator from the locking position into a release position in which the transmission is released. The lock arrangement has an electronically activatable blocking device which is designed for blocking the lock arrangement mechanically in the locking position.Type: ApplicationFiled: April 27, 2007Publication date: December 13, 2007Applicant: GETRAG Getriebe-und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KGInventors: Mark Schweiher, Lothar Herdle, Armin Flaig
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Publication number: 20070175723Abstract: A dual clutch arrangement with an input shaft, with a first friction clutch, and with a second friction clutch. The input element of the first friction clutch is connected to the input shaft and the output element thereof is connected to a first output shaft. The input element of the second friction clutch is connected to the input shaft and the output element thereof is connected to a second output shaft. The output shafts are connectable to corresponding input shafts of a dual clutch transmission. An electric machine is connected to the first output shaft. The electric machine is arranged coaxially with the first friction clutch.Type: ApplicationFiled: December 14, 2006Publication date: August 2, 2007Inventors: Uli Blessing, Thomas Deigner, Kuno Fronius, Hansi Gremplini, Guenter Ruehle, Mark Schweiher, Walter Wolf