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Class 475/271 - Plural elements selectively braked


Subclass of Class 475 - Planetary gear transmission systems or components
Definition: Subject matter wherein an assemblage which comprises a planetary
No. of patents: 124
Last issue date: 12/13/2011


1        
NumberTitleIssue Date
8075440Power train of automatic transmission
The present invention relates to a power train of an automatic transmission that realizes eight forward speeds and one reverse speed by using two double pinion planetary gear sets, one single pinion planetary gear set, four clutches, and two brakes wherein the frict...
12/13/2011
8066608Automatic transmission
An automatic transmission includes a case; a speed change mechanism; a torque converter having a lock-up clutch axially arranged and freely slidably toward and away from the input shaft; a thrust bearing interposed between the flange unit and the side face of the sl...
11/29/2011
8007392Automatic transmission
A second clutch (C2) which couples a carrier (Cr) of the compound planetary gear set (6) to a speed ring gear (Rf) of the single planetary gear set (5) is arranged between the single planetary gear set (5) and the compound planetary gear ...
08/30/2011
7699741Multi-speed transmission
A transmission is disclosed having an input member, an output member, a plurality of planetary gear sets, a plurality of interconnecting members and a plurality of torque-transmitting mechanisms. The plurality of planetary gear sets has first, second and third membe...
04/20/2010
7556582Multi-speed transmission
A multi-speed transmission with reverse and forward gears, planetary gear sets, seven shafts and six shifting elements. The input shaft couples gear sets (P2, P3). Shaft (3) couples the carrier of gear set (P1), the ring gear of gear set ...
07/07/2009
7354376Multi speed transmission
A transmission is provided having a planetary gearset having respective first, second, and third members, and a compound gearset having respective first, second, third, and fourth members. The transmission also includes a plurality of selectively engageable torque t...
04/08/2008
7341537Multi-speed transmission
A transmission is provided having at least three planetary gearsets, each having respective first, second, and third members, and six selectively engageable torque transmitting devices configured to selectively interconnect selected members of the planetary gearsets...
03/11/2008
7311635Seven speed transmissions with all positive rotation components in forward speeds
Seven speed transmissions are provided that include four planetary gear sets having six torque-transmitting mechanisms with various fixed interconnections to provide seven forward speed ratios and three reverse speed ratios. The powertrain includes an engine and tor...
12/25/2007
7303501Multi-speed planetary transmissions having seven torque-transmitting devices and two fixed interconnections
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
12/04/2007
7300378Multi-speed planetary transmissions having clutched input members and providing at least eight speed ratios
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
11/27/2007
7294089Multiple-speed automatic transmission
An automatic transmission includes a first power path producing a first ratio of a speed of the input and a speed of a first power path output; a second power path producing a second ratio of a speed of the input and a speed of the second power path output, the seco...
11/13/2007
7276011Automatic transmission
An automatic transmission having first and second groups of successive forward-drive positions for outputting a rotary motion a speed of which is higher than the speed of a rotary motion received from an input member, the first group being established by an engaging...
10/02/2007
7267631Automatic transmission having a start-up clutch
An automatic transmission having a start-up clutch assembly includes a transmission housing, an input drive shaft, and an output drive shaft. An input planetary gear assembly is also included that has a sun gear and a ring gear, with a plurality of planet gears disp...
09/11/2007
7261666Multi-speed planetary transmissions having seven torque transmitting devices engaged in combinations of five
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
08/28/2007
7255186Hybrid drive system and vehicle equipped therewith
An output of an internal combustion engine is transmitted to an output shaft by controlling a control motor to change a rotation speed output from the engine without speed steps via power distribution planetary gear. An output of a drive motor is input to the output...
08/14/2007
7252617Six-speed powertrain of an automatic transmission
A variable compound planetary gearset forms five operational elements by having its single and double pinion planetary gearsets be interconnected by a shared planet carrier. The variable compound planetary gearset forms six forward speeds and one reverse speeds by r...
08/07/2007
7250019Multi-speed planetary transmissions having a stationary member and seven torque-transmitting devices
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
07/31/2007
7247120Multi-speed planetary transmissions having seven torque-transmitting devices engaged in combinations of two
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
07/24/2007
7244208Drive train for a hybrid vehicle
A drive train (1, 30) for a hybrid vehicle, in which an internal combustion engine (2) is drive-technologically connected to a disengagement clutch (4) whose output side is connected to a transmission input shaft (7), which is connected t...
07/17/2007
7226381Nine-speed transmissions with four planetary gear sets
Nine-speed transmissions are provided that include four planetary gear sets having six torque-transmitting mechanisms and various fixed interconnections to provide nine forward speed ratios and a reverse speed ratio. The powertrain includes an engine and torque conv...
06/05/2007
7226382Multi-speed planetary transmissions having three interconnected gear members and multiple input clutches
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
06/05/2007
7211022Automatic transmission
A multi-step reduction gear with forward reverse gears comprising a drive shaft, a power take-off shaft, three planet sets, rotating shafts as well as six switch elements. The drive shaft is connected with the sun gear of the planetary set and can be connected to th...
05/01/2007
7204780Multi speed transmission
A transmission is provided having four planetary gearsets, each having respective first, second, and third members, and a plurality of selectively engageable torque transmitting devices configured to selectively interconnect selected members of the four planetary ge...
04/17/2007
7192378Planetary transmissions having three interconnecting members and clutched input members
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
03/20/2007
7186203Planetary gear type multistage transmission for vehicle
The transmission 10 is constructed so that, in the first transmission portion 36, the rotation of the input shaft 16 is outputted to the second transmission portion 38 via the first intermediate output path M1 and the second interm...
03/06/2007
7175561Planetary transmissions having two non-continuously interconnected gear members
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
02/13/2007
7172527Planetary-gear-type multiple-step transmission for vehicle
A planetary-gear-type multiple-step transmission including a stationary member, an input rotary member, an output rotary member, and first and second transmission units. The first transmission unit has first and second intermediate transmitting paths through which a...
02/06/2007
7169075Six-speed powertrain of an automatic transmission
A six-speed powertrain includes a simple planetary gearset having three operational elements and a compound planetary gearset having four operational elements. Regarding the four operational elements of the compound planetary gearset, two of them are variably connec...
01/30/2007
7166053Planetary transmissions having four interconnecting members and clutched input members
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
01/23/2007
7163484Eight-speed transmissions with four planetary gear sets
Eight-speed transmissions are provided that include four planetary gear sets having seven torque-transmitting mechanisms and various fixed interconnections to provide eight forward speed ratios and at least one reverse speed ratio. The powertrain includes an engine ...
01/16/2007
7153231Planetary transmissions having two interconnecting members and clutched input members
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
12/26/2006
7153232Planetary transmissions having a stationary member and an input member
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
12/26/2006
7150696Planetary transmissions having a stationary gear member and clutched input members
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
12/19/2006
7150695Planetary transmissions having input clutches and three interconnected gear sets
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
12/19/2006
7128684Planetary transmissions having a stationary fixed interconnection and up to three input clutches
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward torque ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting...
10/31/2006
7125360Multi-stage transmission
A multi-stage transmission comprising two planetary gear sets (RS2, RS3) and one planetary reduction gear set (VS), one first clutch (A) and one second clutch (B), one third clutch (E) and one first brake (C), one second brake (D), the external disc ca...
10/24/2006
7118508Planetary transmissions having three interconnected gear members and clutched input members
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
10/10/2006
7118511Multiple gear stage automatic transmission
A multiple stage transmission of a planetary design having first, second and third planetary gear sets (P1, P2, P3), at least first, second, third, fourth, fifth and sixth rotatable shafts (1, 2, 3, 4, 5, 6), first and second brakes (0...
10/10/2006
7118510Planetary transmissions having input clutches and two interconnecting members
The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting ...
10/10/2006
7115063Multiple gear stage automatic transmission
A multiple stage transmission of a planetary design having first, second and third planetary gear sets (P1, P2, P3), at least first, second, third, fourth, fifth sixth rotatable shafts (1, 2, 3, 4, 5, 6), first and second brakes (03, 0...
10/03/2006
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