GF27.10-P-3013GGA Power Flow In 3rd Gear, Function

GF27.10-P-3013GGA Power Flow in 3rd Gear, Function
TRANSMISSION 722.902 in MODEL 463.306 /336 /346 up to 31.5.12 as of Model Year 2011 /YoM 10
TRANSMISSION 722.904 in MODEL 463.202 /222 /236 /237 up to 31.5.12 as of Model Year 2009 /YoM 08
TRANSMISSION 722.902 in MODEL 463.303 /340 /341 up to 31.5.12 as of Model Year 2009 /YoM 08





2 Turbine wheel
3 Stator
4 Impeller
5 Small ring gear
6 Dual planet carrier
7 Sun gear
8 Large ring gear
9 Ring gear
10 Planet carrier
11 Sun gear
12 Ring gear
13 Planet carrier
14 Sun gear
16 Torque converter lockup clutch
41 Multi-disk brake BR
42 Multidisk brake B1
43 Multidisk brake B2
45 Multidisk brake B3
46 Multidisk clutch K1
47 Multidisk clutch K2
48 Multidisk clutch K3
49 Short planetary gears
50 Long planetary gears
51 Planetary gears
52 Planetary gears

A Input
B Output

Function requirements for power flow in 3rd gear, general
^ Circuit 87 ON
^ Circuit 61 ON

Power flow in 3rd gear, general
The following multi-disk brakes and multi-disk clutches are engaged:
- Multidisk brake B2 (43)
- Multidisk clutch K1 (46)
- Multidisk clutch K3 (48)

Power flow in 3rd gear takes place via the following gear sets:
^ Ravigneaux gear set
^ Rear single planetary gear set
^ Front single planetary gear set

Ravigneaux gear set
Due to the engaged multi-disk clutch K1 (46) the components of the Ravigneaux gear set are locked together Circuit 61 ON and pass on the transmission input torque and transmission input speed unchanged to the ring gear (9).

Rear single planetary gear set
The ring gear (9) drives the planetary gears (51). These roll over the stalled sun gear (11) and transmit the rotary motion to the planet carrier (10).

Front single planetary gear set
The ring gear (12) has a mechanical connection to the planet carrier (10) and rotates at the same speed. The planetary gears (52) roll on the stalled sun gear (14) and transfer the increased torque and reduced rotational speed to the transmission output shaft via the planet carrier (13).

The transmission output shaft thus rotates with reduced transmission input speed in the direction of rotation of the engine.