序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 MULTI-STAGE POWER-SHIFT TRANSMISSION US14396090 2013-03-13 US20150087469A1 2015-03-26 Stefan Beck
A power shiftable multi-stage transmission of a planetary design and disposed between an input drive shaft and an output shaft for a vehicle. The multi-stage transmission has two parallel shaft trains, six shift elements, at least two spur gear stages and three planetary gear sets. Each of the planetary gear sets has a sun gear, a ring gear and a planet carrier combined in a carrier having multiple planetary gears. The two shaft trains may be connected to one another via the at least two spur gear stages. Different transmission ratios, between the input drive shaft and the output shaft, may be achieved by selective engagement of the six shift elements such that a plurality of forward gears, at least nine forward gears, and at least one reverse gear, may be implemented.
142 TRANSAXLE DEVICE US14456109 2014-08-11 US20150080162A1 2015-03-19 Sumio MOTOYAMA
A center distance D1 from a motor shaft connected to an electric motor and a generator shaft connected to a generator to a clutch shaft including a wet multiple disc clutch is set longer than a distance Dm from the axial center of the electric motor, that is, the axial center of the motor shaft to the outermost circumference of a housing, which houses the electric motor.
143 AUTOMATED MANUAL TRANSMISSION US14394491 2013-04-16 US20150059524A1 2015-03-05 Secheol Kim
The present invention relates to an automated manual transmission comprising: a first gearshift unit (10) connected to the turbine of a torque converter connected to an engine and driven by the engine; a second gearshift unit (20) that includes an auxiliary input gear unit (30) and is connected to the impeller of the torque converter; and the auxiliary input gear unit (30). The first gearshift unit (10) increases or reduces the RPM of the power from the engine (1) transferred by means of the torque converter by a certain gear ratio and transmits the power to a drive wheel (50). The second gearshift unit (20) is directly coupled to the engine (1) and increases or reduces the RPM of the power from the engine (1) transferred by means of each gear by a certain gear ratio and transmits the power to a drive wheel (41). The auxiliary input gear unit (30) uses a clutch (32) to regulate an auxiliary gear (31) and a first input shaft (11) connected to an output shaft (40), and transmits the rotational force of the engine (1) to the drive wheel (50) by means of the auxiliary gear (31) and the clutch (32) while the first gearshift unit (10) or the second gearshift unit (20) are shifting gears.
144 METHOD FOR SYNCHRONIZING A GEAR ON A GEARBOX SHAFT US14385807 2013-03-19 US20150051799A1 2015-02-19 Abdelmalek Maloum
A method for synchronizing a gear on a parallel-shafts vehicle gearbox shaft including at least one primary shaft connected to a power source, one secondary shaft driven by the primary shaft to transmit driving torque to wheels over plural transmission ratios, and at least one mechanism coupling a gear to its shaft to engage a transmission ratio without mechanical synchromesh members. The power source is made to operate to produce a signal commanding the reference torque (T1ref), equal to minimum torque that can be transmitted to minimize a discrepancy (ω2K −ω1) between a primary speed (ω1) and a secondary speed (ω2) multiplied by a reduction ratio (K), when the relevant gear is coupled to its shaft, wherein the control signal is given by the sum (KwKω2−Ksω1+T1int), in which (T1int) is a term derived by integrating the primary speed (ω1).
145 MULTI-RATIO TRANSMISSION US14376624 2013-01-10 US20150051043A1 2015-02-19 Stefan Beck; Timo Wehlen
A multi-stage transmission with eight forward and one reverse gear, including drive and output shafts, planetary gearsets, gear stage, shift elements and shafts. The drive shaft couples the carrier of gearset (P1) and can couple shaft (5) via clutch (15). Shaft (5) couples the ring and sun gears of respective gearsets (P2, P3). The ring gear of gearset (P1) couples shaft (6), which couples the sun gear of gearset (P2). Shaft (3) couples the sun gear of gearset (P1) and the ring gear of gearset (P3) and can couple the housing via brake (03). The carrier of gearset (P2) couples shaft (4), which can couple the output shaft via gear stage (S1) and clutch (24). The carrier of gearset (P3) couples shaft (7), which can couple the output shaft via gear stage (S2) and clutch (27), and clutch (46, 56, 45) engages to block gearset (P2).
146 MULTI-RATIO TRANSMISSION US14376623 2013-01-10 US20150031498A1 2015-01-29 Stefan Beck; Timo Wehlen
A multistage transmission with eight forward and one reverse gear, including an input and output shafts, planetary gearsets, gear stages, shift elements and shafts. The input shaft couples the carrier of gearset (P1) and, via clutch (15), can couple shaft (5) that couples the sun gear of gearset (P3) and, via clutch (58), can couple shaft (8) connected to the ring gear of gearset (P2). The ring gear of gearset (P1) couples shaft (6) connected to the sun gear of gearset (P2). Shaft (3) couples the sun and ring gears of respective gearsets (P1, P3) and can couple, via brake (03), the housing. The carrier of gearset (P2) couples shaft (4) gear stage (S1) which couples the output shaft. The carrier of gearset (P3) couples shaft (7) gear stage (S2) which couples the output shaft. Clutch (56) can couple shafts (5, 6).
147 Multi-speed transmission US13610933 2012-09-12 US08826758B2 2014-09-09 Scott H. Wittkopp; Craig S. Ross
A transmission includes an input member, an output member, first and second transmission input shafts, first and second countershafts, a plurality of co-planar gear sets and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and six forward speed ratios between the input member and the output member.
148 MULTI-SPEED TRANSMISSION US13610933 2012-09-12 US20140069217A1 2014-03-13 Scott H. Wittkopp; Craig S. Ross
A transmission includes an input member, an output member, first and second transmission input shafts, first and second countershafts, a plurality of co-planar gear sets and a plurality of torque transmitting devices. The torque transmitting devices include a plurality of synchronizer assemblies and a dual clutch assembly. The transmission is operable to provide at least one reverse speed ratio and six forward speed ratios between the input member and the output member.
149 Hybrid transmission for a motor vehicle US13923025 2013-06-20 US08663046B2 2014-03-04 Claudio Torrelli
A transmission includes a main gearbox and an electric machine. The main gearbox has a primary shaft, a secondary shaft and gear sets, each having a driving gearwheel carried by a respective primary shaft and a driven gearwheel carried by a respective secondary shaft. A first gearwheel and a second gearwheel meshing with each other are idly mounted on the primary shaft and on the secondary shaft, respectively, and are selectively connectable for rotation with the respective shaft by a first coupling device and of a second coupling device, respectively. The electric machine is releasably connected to the first gearwheel or to the second gearwheel, such that with the first coupling device in an engaged position the electric machine is able to transmit torque to the primary shaft on which the first gearwheel is mounted, while with the second coupling device in an engaged position, the electric machine is able to transmit torque to the secondary shaft on which the second gearwheel is mounted. The transmission further includes a secondary gearbox with two or more gears between the electric machine and the first or the second gearwheel.
150 HYBRID TRANSMISSION FOR A MOTOR VEHICLE US13923025 2013-06-20 US20130345008A1 2013-12-26 Claudio TORRELLI
A transmission includes a main gearbox and an electric machine. The main gearbox has a primary shaft, a secondary shaft and gear sets, each having a driving gearwheel carried by a respective primary shaft and a driven gearwheel carried by a respective secondary shaft. A first gearwheel and a second gearwheel meshing with each other are idly mounted on the primary shaft and on the secondary shaft, respectively, and are selectively connectable for rotation with the respective shaft by a first coupling device and of a second coupling device, respectively. The electric machine is releasably connected to the first gearwheel or to the second gearwheel, such that with the first coupling device in an engaged position the electric machine is able to transmit torque to the primary shaft on which the first gearwheel is mounted, while with the second coupling device in an engaged position, the electric machine is able to transmit torque to the secondary shaft on which the second gearwheel is mounted. The transmission further includes a secondary gearbox with two or more gears between the electric machine and the first or the second gearwheel.
151 Multi Ratio Drive US14015400 2013-08-30 US20130340545A1 2013-12-26 Michael L. Valesh
A multi ratio drive operably connected to a drive shaft including a pinion gear rotatable by the drive shaft; a main shaft; a fixed ring gear fixed to the main shaft and engaged with the pinion gear; a differential shaft; a first drive chain having a first gear ratio; a second drive chain having a second gear ratio; a differential operably connected to the differential shaft; a first axle operably connected to the differential; and a second axle operably connected to the differential. A first slip clutch locks the first main shaft ring gear on the main shaft when the first drive chain is in the first drive chain engaged state; and the first slip clutch is operable to lock the first main shaft ring gear on the main shaft regardless of direction of main shaft rotation.
152 Hybrid drive train for a motor vehicle US13003184 2009-07-09 US08535188B2 2013-09-17 Ferdinand Tangl
The invention relates to a hybrid drive train (1) of a vehicle, comprising a drive system having an internal combustion engine (3) and a first electric supplementary drive unit (8) as well as a transmission arranged downstream of the drive system for controllably distributing the rotational speed and the torque of the drive power of the drive system to an output shaft, wherein the transmission includes a first and a second gearbox unit (11, 21) and a planetary gearing (5) having four components, namely a planet element, a planet carrier and two gears engaging with the planet element, and wherein further the internal combustion engine (3) can be coupled to the output shaft via a direct power path, by bypassing the first electric supplementary drive unit (8), through several mechanical gears of the first and/or second gearbox, wherein for this the first gearbox includes a first coupling means (12) and the second gearbox (21) includes a second coupling means (20).
153 Planetary layshaft transmission US12908487 2010-10-20 US08409048B2 2013-04-02 Scott H. Wittkopp; James M. Hart; Andrew W. Phillips
A transmission is provided having an input member, an output member, at least one planetary gear set, a plurality of transfer gears connected by a layshaft, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices include clutches and brakes.
154 GEAR TRAIN OF MULTI-STEP TRANSMISSION FOR VEHICLE US13316530 2011-12-11 US20130040775A1 2013-02-14 Tae Seok Seo; Jong Sool Park; Hyuk Jun Lee
Disclosed herein is a gear train of a multi-step transmission for a vehicle, which can shift gears among nine forward speeds and one reverse speed. The gear train realizes a desired level of multi-step change gear ratios and has a reduced number of sets of planetary gears to reduce the volume and length of the transmission, thus realizing a compact structure, thereby facilitating the installation of the transmission in the vehicle.
155 Multi-speed transmission with external drive gearsets US12901922 2010-10-11 US08357067B2 2013-01-22 Andrew W. Phillips
A transmission is provided having an input member, an output member, three planetary gear sets, three external gear sets or sprockets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices include clutches and a brake.
156 MULTI-SPEED TRANSMISSION US13371545 2012-02-13 US20120214632A1 2012-08-23 Edward W. Mellet; Daryl A. Wilton; James M. Hart; James B. Borgerson
A transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.
157 Multi-speed transmission with external drive gearsets US12042721 2008-03-05 US08157688B2 2012-04-17 Scott H. Wittkopp; Andrew W. Phillips; Clinton E. Carey; James M. Hart
A transmission is provided having an input member, an output member, three planetary gear sets, four external gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes.
158 8-speed hybrid transmission US12412876 2009-03-27 US08083633B2 2011-12-27 Scott H. Wittkopp; James M. Hart; James B. Borgerson
The hybrid transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The hybrid transmission includes a motor/generator, three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes an engine and torque converter that is continuously connected to one of the planetary gear members and an output member that is continuously connected with one of the external gear sets. The five torque-transmitting devices provide interconnections between various planetary and external gear members, the input shaft, and the transmission housing, and are operated in combinations of three to establish eight forward speed ratios and one reverse speed ratio.
159 Multi-speed transmission with external drive gearsets US12144345 2008-06-23 US08066612B2 2011-11-29 Andrew W. Phillips; Scott H. Wittkopp; James M. Hart; Clinton E. Carey
A transmission is provided having an input member, an output member, three planetary gear sets, four external gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes.
160 Multi-speed transmission with external drive gearsets US12042756 2008-03-05 US08047957B2 2011-11-01 Andrew W. Phillips; Scott H. Wittkopp; Clinton E. Carey; James M. Hart
A transmission is provided having an input member, an output member, three planetary gear sets, four external gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. Each of the external gear sets includes first and second gears. The torque transmitting devices may include clutches and brakes.
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