Infiniti FX35, FX50 (S51). Manual — part 1857
SHIFT MECHANISM
TM-235
< SYSTEM DESCRIPTION >
[7AT: RE7R01B (VK50VE)]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Front planetary gear
Rear planetary gear
Mid planetary gear
“D
7
”, “DS
7
” and “M7” Positions
Name
Front sun gear
Front carrier
Front internal gear
Condition
Fixed
Output
Input
Direction of rotation
—
Clockwise revolution
Clockwise revolution
Number of revolutions
—
Deceleration from front internal
gear
Same number of revolution as the
input shaft
Name
Rear sun gear
Rear carrier
Rear internal gear
Condition
—
Input/Output
Input
Direction of rotation
Clockwise revolution
Clockwise revolution
Clockwise revolution
Number of revolutions
Acceleration from rear carrier
Same number of revolution as the
input shaft
Same number of revolution as the
front carrier
Name
Mid sun gear
Mid carrier
Mid internal gear
Condition
—
Output
Input
Direction of rotation
Clockwise revolution
Clockwise revolution
Clockwise revolution
Number of revolutions
Acceleration from mid internal gear
Acceleration from mid internal gear
Same number of revolution as the
input shaft
TM-236
< SYSTEM DESCRIPTION >
[7AT: RE7R01B (VK50VE)]
SHIFT MECHANISM
• The under drive carrier is fixed by the front brake.
• The input clutch gets engaged and connects the mid internal gear with the rear carrier.
• The high and low reverse clutch gets engaged and connects the rear sun gear with the mid sun gear.
• Each planetary gear enters state described below.
JSDIA0874GB
SHIFT MECHANISM
TM-237
< SYSTEM DESCRIPTION >
[7AT: RE7R01B (VK50VE)]
C
E
F
G
H
I
J
K
L
M
A
B
TM
N
O
P
Front planetary gear
Under drive planetary gear
Rear planetary gear
Mid planetary gear
“R” Position
Name
Front sun gear
Front carrier
Front internal gear
Condition
—
Output
Input
Direction of rotation
Counterclockwise revolution
Clockwise revolution
Clockwise revolution
Number of revolutions
Deceleration from front internal
gear
Deceleration from front internal
gear
Same number of revolution as the
input shaft
Name
Under drive sun gear
Under drive carrier
Under drive internal gear
Condition
—
Fixed
Input/Output
Direction of rotation
Counterclockwise revolution
—
Clockwise revolution
Number of revolutions
Acceleration from under drive inter-
nal gear
—
Same number of revolution as the
front carrier
Name
Rear sun gear
Rear carrier
Rear internal gear
Condition
—
Input/Output
Input
Direction of rotation
Clockwise revolution
Clockwise revolution
Clockwise revolution
Number of revolutions
Acceleration from rear carrier
Same number of revolution as the
input shaft
Same number of revolution as the
under drive internal gear
Name
Mid sun gear
Mid carrier
Mid internal gear
Condition
—
Output
Input
Direction of rotation
Clockwise revolution
Clockwise revolution
Clockwise revolution
Number of revolutions
Acceleration from mid internal gear
Acceleration from mid internal gear
Same number of revolution as the
input shaft
TM-238
< SYSTEM DESCRIPTION >
[7AT: RE7R01B (VK50VE)]
SHIFT MECHANISM
• The 1st one-way clutch and the front brake regulates counterclockwise rotation of the under drive carrier.
NOTE:
The front brake operates at the fixed speed or less.
• The rear carrier and the mid internal gear are fixed by the reverse brake.
• The mid sun gear rotates at the same speed as the rear sun gear by operation of the 2nd one-way clutch
and the high and low reverse clutch.
NOTE:
The high and low reverse clutch operates at the fixed speed or less.
JSDIA0875GB
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