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11
Aug. 22, 2006Nissan Motor Co., Ltd.
Yo UsubaSenior Vice President
Nissan CVT briefing(Continuously Variable Transmission)
22
1. The Powertrain concept2. The History of Nissan CVT and Plans for Future
Applications3. CVT Expansion in North America4. What is CVT?5. XTRONIC CVT6. CVT for 3.5L Engines7. Summary
Agenda
44
1-1. The Powertrain concept
UltimateUltimatePowertrainPowertrain
CO2 reduction
Fuel EfficiencyEmission
Cleaner Emissions
Emotion
Performance power
77
The History of Belt CVT
March(Micra)
March/CUBE TIIDACUBE
2nd Generation 3rd Generation1st Generation
MURANO
MAXIMA,ALTIMA(New-XTRONIC)
Primera LAFESTA
SENTRA(New-XTRONIC)
VERSA(XTRONIC)
Hyper-CVT XTRONIC-CVT
2-1. Changes in CVT
3.5L Use
2.0~2.5L Use
1.3~1.8L Use
FY91 FY96 FY01 FY06
88
FY04 FY05 FY06 FY07
Progress of CVT-Fitted Car Sales
1,000,000(plan)
250,000
■ By FY07, global sales expected to have quadrupled to about1 million units compared with FY04.
450,000
2-2. Progress of Nissan CVT Global Sales
99
■ Release of cars fitted with CVT to more than 100 countries in the future
Adopted in FY04 Adoption planned for FY07
2-3. Global Expansion
Teana(天籁) Maxima
Altima
Murano
1010
FY07
CVT CVTJapan
FY04
CVT
FY07
CVT
FY04
EuropeCVT
CVT
FY04 FY07
Denominator : AT and CVT
North America
FY07
CVT
FY04
CVT
4%
AT
30%
1% 24%
21% 54%
8%48%
GOM(includes China)
Ratio of Cars Fitted with CVT vs. AT
2-4. Adoption of Global Expansion
1111
FY07
CVT CVTJapan
FY04
CVT
FY07
CVT
FY04
EuropeCVT
CVT
FY04 FY07
Denominator : AT and CVT
North America
FY07
CVT
FY04
CVT
4%
AT
30%
1% 24%
21% 54%
8%48%
GOM(includes China)
Global
CVTAT
FY07
44%
Ratio of Cars Fitted with CVT vs. AT
2-4. Adoption of Global Expansion
1313
• JD Power: Results of '06 U.S. APEAL Survey
3-1. Comments from North American CVT Customers
Typical comments:- Very positive (good), no hesitation or downshift when going uphill- Feels more powerful because it operates much more smoothly
Source: JD PowerResults of '06 APEAL Survey
■ North American customers are extremely satisfied with CVT
25
26
27
28High Satisfaction
Level
27.9
26.926.6
26.3 26.2
NISSANMurano
CVT
Company BCVT
Company C 5-AT
Company A4-AT
Company A
4-AT
1414
(Internal survey result)
3-2. Comments from North American CVT Customers
Q:After purchasing a CVT fitted vehicle, which do you think has better performance: AT or CVT?
■ Levels of satisfaction were extremely high amongthose who purchased CVT
0%
20%
40%
60%
80%
SmoothDrivingSensation
Gear-ChangingPerformance
Silence Fuel Efficiency
Reliability Initial Acceleration
Exhaust Highway Gear-Changing
Good ATGood CVT
0%10%20%30%40%50%
SmoothDrivingSensation
Gear-ChangingPerformance
Silence Fuel
Efficiency
Reliability Initial Acceleration
Exhaust Highway Gear-Changing
a lowerprice?
Q:Before purchasing a vehicle, which did you think has better performance: AT or CVT?
1515
3-3. Plans for CVT Expansion in North America
Early 2006 Late 2006 Early 2007 Late 2007 Late 2005
Car
Sale
s ■ Expand sales of CVT-fitted vehicles sevenfold
in the North American market in FY06
3.5L CVT
2.0~2.5L CVT
1.3~1.8L CVT
×7
1818
■ The CVT provides smooth and stepless ratio changes.4-1. What is CVT ?
Time0
ATCVT
En
gin
e R
evo
luti
on
s
1919
4-2. Special Features of CVT
Stepless shifting of gear ratios for enhanced driving pleasure and fuel efficiency
2020
■ CVT changes gears smoothly so cars consume fuel efficiently.
4-3. CVT Efficiency (Fuel) (1)
Engine Revolutions (rpm)
En
gin
e T
orq
ue
(N
m)
Optimum area of fuel efficiency ratio
AT
CVT
2121
■ AT can only use set gear ratios so large changes in engine revolutions means it is difficult to use fuel efficiently while driving.
4-3. CVT Efficiency (Fuel) (2)
CVT5AT
Car Speed
En
gin
e R
evo
luti
on
s
1 speed 2 speed
3 speed
4 speed
5 speed
Car Speed E
ng
ine R
evo
luti
on
s
Lowest
Highest
This area can be used
Limited to setgear ratios
Optimum area for efficient fuel consumption
2424
Efficiency
Emotional
EmissionEfficiency
Emotional
CVTCVT
Fuel Efficiency
5-1. Improved Fuel Efficiency (1)
2525
■ Further increasing the range of gear ratios for the XTRONIC CVT has created superb acceleration and increased fuel efficiency.
5-1. Improved Fuel Efficiency (2)
2626
(for 2.0~2.5L)
(for 1.3~1.8L)
Lafesta
(for 3.5L)Murano
Sentra
March/Cube Versa
Maxima/Altima
FY90 FY00 FY10
March
Primera
Cube Tiida
1st Generation 2nd Generation 3rd Generation
Gear
Rati
o R
an
ge
5.0
6.0
5.5
6.5
FY92
FY97
FY04
5A/T
6A/T
Murano
March
Primera
FY90 FY00 FY10
Cube
■ The gear ratio range for the third generation XTRONIC CVT expandedto 6.0
5-1. Improved Fuel Efficiency (3)
XTRONIC CVT
2727
100
■ Expanding the lockup area from conventional CVT models furtherimproves fuel efficiency
Car SpeedCar Speed
Thro
ttle
Op
en
ing
Th
rott
le O
pen
ing
(%
)(%
)
0
Conventional CVT lockup area
AT lockup area
Expanded lockup area
5-1. Improved Fuel Efficiency (4)
2828
Efficiency
Emotional
EmissionEfficiency
Emotional
CVTCVT
Smooth, Pleasant Drive
Fuel Efficiency
5-2. Improved Performance (1)
2929
5-2. Improved Performance (2)
Smooth, agile drive
Quality ofresponse
Linear response
Smoothness ofacceleration
2. Closely supervised gear change pattern
3. The optimum gear change pattern forpredicted customer acceleration needs
1. Improved gear change response
4. Natural acceleration sensation
3030
■ With an improved gear change control system, the time used to shift gears is greatly reduced.
1.Improved gear change response
5-2. Improved Performance (3)
3131
2. In all driving conditions, CVT provides a smooth gear change to suit customers' need for a more natural, powerful sensation of acceleration.
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng.Rev. (rpm)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng.Rev. (rpm)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng.Rev. (rpm)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng.Rev. (rpm)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
0
1000
2000
3000
4000
5000
6000
0 20 40 60 80 100 120 140 160 180 200Vsp (km/h)
Eng
.Rev
. (rp
m)
More than 1000 patterns!
3. CVT offers the optimum gear change pattern which predicts customers' need for acceleration on roads and driving conditions which are constantly changing.
Advanced shift control
Shift patternsVehicle Speed
Grade Force
Driver Operation
Turning condition
5-2. Improved Performance (4)
XTRONIC CVT(More than 10 patterns)
New XTRONIC CVT
3232
Time
Control of kicks
Natural acceleration geared to increasing engine revolutions wasrealized through the addition of a linear mode control system.
Continued sensationof acceleration
Sensation of accelerationincreasing with engine revolutions
4.Creating a natural sensation of acceleration
5-2. Improved Performance (5)
Engine revolutions
Rate of acceleration
XTRONIC CVT
New XTRONIC CVT
XTRONIC CVTNew XTRONIC CVT
3434
■ The line-up of large capacity CVT for 3.5L engines 1.5L 3.5L2.0L
Tiida Serena MuranoNissan
Toyota
Honda
Audi
3.2L2.4L
A6A4
RAV4
OdysseyAirwave
Vits
6-1. Nissan CVT Line-up
Ford Freestyle
3535
■ Optimum hydraulic control technology
6-2. The Technology which made CVT Possiblefor 3.5 L Engines (1)
Offers a large power capacity for optimum clamping power (to clamp the belt) according to conditions
3636
■ Use of new oil
Use of special CVT oil enables CVT belt to operate smoothlywithout slipping
6-2. The Technology which made CVT Possiblefor 3.5 L Engines (2)
New oil
Conventional oil
3737
■ Use of a special surface treatment (shot peening) for pulleys
Pulley
6-2. The Technology which made CVT Possiblefor 3.5 L Engines (3)
When the surface hardens, it can withstand intense power
Shot peening methodShot peening is the process of cold forming the surface of a part by means of a propelled stream of round hardened steel shot.
3939
■ Plans for future CVT
■ Benefits of CVT
Smooth, agile drive
Linear response 2. Closely supervised gear change pattern
3. The optimum gear change patternfor predicted customer accelerationneeds
Smoothness ofacceleration 4. Natural acceleration sensation
Low fuel efficiency1.Expanded gear ratio
2.Expanded lockup area
1. Improved gear change response Quality of response
1.Global expansion. “By FY07” 1 million in sales.
2.North Amrica expansion. Sevenfold in North American market in FY06
7-1. XTONIC CVT (1)
4040
EmissionEfficiency
Emotion
CVTCVT
7-2. XTONIC CVT (2)
Agile smooth performance
Low fuel efficiency
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