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公开(公告)号：US12097766B2
公开(公告)日：2024-09-24
申请号：US18021827
申请日：2021-07-27
发明人： Carsten Gitt , Andreas Kolb , Tobias Haerter , Juergen Schweitzer , Jonathan Zeibig , Peter Hahn , Jakub Romaniak , Stefan Sperrfechter , Klaus Riedl , Tobias Schilder
CPC分类号： B60K6/547 , B60K6/36 , B60K6/387 , B60K6/48 , B60K2006/4816
摘要： A dual-clutch transmission includes two clutches for respectively connecting an input shaft in a rotationally fixed manner to a sub-transmission input shaft. Two layshafts each have one output gear arranged coaxially with respect thereto. A first, second, and third forward idler gear are each arranged coaxially with respect to the one layshaft. A fourth and fifth forward idler gear are each arranged coaxially with respect to the other layshaft. One of the output gears is a larger output gear having a greater diameter or a greater number of teeth than the other, smaller output gear. The first forward idler gear forms a second gear stage, the second forward idler gear forms a third gear stage, etc. The gear stages have a decreasing transmission ratio in the order stated.
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公开(公告)号：US12083895B2
公开(公告)日：2024-09-10
申请号：US18039005
申请日：2021-10-06
发明人： Peter Hahn , Carsten Gitt
摘要： A hybrid drive unit includes an internal combustion engine, electric machine, and transmission having an input shaft and first and second countershafts. The internal combustion engine is directly couplable via a clutch to the input shaft. There are six shiftable gear pairings, each with a gearwheel arranged coaxially to the input shaft. The first gear pairing has a first gearwheel as an idler gear arranged coaxially to the input shaft and a second gearwheel as an idler gear arranged coaxially to the first countershaft. The electric machine is connected to the first gear pairing so that torques are directable into the transmission via the first gear pairing. When viewed in an axial direction, the first shiftable gear pairing, a first shifting element plane, the second shiftable gear pairing, the third shiftable gear pairing, the fourth shiftable gear pairing, a second shifting element plane, the fifth shiftable gear pairing, the sixth shiftable gear pairing, and an output gear plane are arranged one after the other in the specified sequence.
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公开(公告)号：US12103398B2
公开(公告)日：2024-10-01
申请号：US18286381
申请日：2022-03-31
发明人： Carsten Gitt , Tobias Haerter , Peter Hahn , Andreas Kolb , Klaus Riedl , Tobias Schilder , Jonathan Zeibig
CPC分类号： B60K6/365 , B60K6/48 , B60K6/547 , F16H3/62 , B60K2006/4816 , B60Y2200/92 , F16H2200/2007
摘要： A hybrid drive system includes an internal combustion engine having a first output shaft, an electric machine having a rotor with a rotor shaft as second output shaft, and a transmission having a four-shaft, first planetary set, a second planetary set, a first shifting element, a second shifting element, a third shifting element, and a third output shaft. The four-shaft, first planetary set has a first shaft, a second shaft, a third shaft, and a fourth shaft, the second planetary set has a first element, a second element, and a third element. The first shaft, the second shaft, the third shaft, and the fourth shaft are rotatable relative to one another and connectable to one another in a rotationally fixed manner by a blocking shifting element. The first output shaft is coupled or is couplable to the first shaft in a rotationally fixed manner.
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公开(公告)号：US12030384B1
公开(公告)日：2024-07-09
申请号：US18290343
申请日：2022-04-12
发明人： Jonathan Zeibig , Carsten Gitt , Tobias Schilder , Peter Hahn
摘要： A hybrid drive system has an internal combustion engine, electric engine, and transmission having a first spur gear section and a second spur gear section, which provide output via at least one layshaft, and a four-shaft planetary transmission, which has a first planetary gear set having a first sun gear, a first planetary carrier and a first annular gear, and a second planetary gear set having a second sun gear, a second planetary carrier and a second annular gear. The first annular gear is couplable with a crankshaft of the internal combustion engine. The first sun gear is permanently connected to the second annular gear fixed against rotation. A rotor of the electric engine is couplable with the second annular gear fixed against rotation. The first planetary carrier is permanently connected to the second planetary carrier fixed against rotation. A first input shaft of the first spur gear section rotatable around a main axis of rotation is connected to the second planetary carrier fixed against rotation.
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公开(公告)号：US12036870B2
公开(公告)日：2024-07-16
申请号：US18024356
申请日：2021-08-04
发明人： Peter Hahn , Carsten Gitt , Tobias Haerter , Jonathan Zeibig
CPC分类号： B60K6/547 , B60K6/48 , F16H3/006 , B60K2006/4816
摘要： A dual-clutch transmission includes first and second partial transmissions, a first countershaft to which a first output gear is permanently connected in a rotationally fixed manner, and a second countershaft to which a second output gear is permanently connected in a rotationally fixed manner. A first idler assigned to the first partial transmission and a second idler assigned to the second partial transmission are respectively arranged coaxially to the first countershaft and are couplable to each other in a rotationally fixed manner by a bridge switching element. The first partial transmission includes exactly three single-gear planes, including a first single-gear plane, second single-gear plane having the first idler, and third single-gear plane. The second partial transmission includes exactly two single-gear planes, including a fourth single-gear plane having the second idler and a fifth single-gear plane, and which is equipped such that eight transmission gears can be implemented with a falling transmission ratio.
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公开(公告)号：US11686354B2
公开(公告)日：2023-06-27
申请号：US17800975
申请日：2021-01-26
发明人： Peter Hahn , Carsten Gitt
IPC分类号： F16D21/06 , F16D25/0638 , B60K6/387 , F16D25/10
CPC分类号： F16D25/0638 , B60K6/387 , F16D21/06 , F16D25/10 , F16D2021/0661
摘要： A dual clutch transmission includes an input shaft having a first clutch having a first input disc carrier, a first output disc carrier, a first force transfer region, and a first actuation piston. The transmission includes a second clutch having a second input disc carrier, a second output disc carrier, a second force transfer region, and a second actuation piston. A first sub-transmission includes a first sub-transmission input shaft and a second sub-transmission has a second sub-transmission input shaft. The input shaft, the first input disc carrier, and the second input disc carrier are connected to one another for fixedly conjoint rotation. The first output disc carrier is connected to the first sub-transmission input shaft for fixedly conjoint rotation. The second output disc carrier is connected to the second sub-transmission input shaft for fixedly conjoint rotation. The second sub-transmission input shaft is arranged coaxially with and radially surrounding the first sub-transmission input shaft.
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