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DOUG SODEN
Manager, Product Planning
LEXUS AUSTRALIA
Rewrites performance / economy equation
First with electric AWD
LEXUS Hybrid + E-Four
= HIGH TORQUE
Electric Power
50kW
123kW
Electric Motor Torque
130Nm
333Nm
Petrol Engine
Torque (Nm)
Maximum
250Nm/1500rpm
300
120
200
80
40
1000
4000
6000
Engine Speed (rpm)
0
Output (kW)
288Nm
160
400
High torque + 8.1L/100km
= Diesel alternative
LESS
WEIGHT
Diesel Competitors Weight
2105
kg
2150
kg
2040
kg
2235
kg
2350
kg
RX400h
X5
M-Class
Touareg
Discovery
RX400h CO2 Reduction per annum
RX400h vs V6 competitor
Reduction of 2 tonnes CO2
RX400h vs diesel competitor
Reduction of 1.4 tonnes CO2
3MZ-FE Engine
Valve timing change
Smooth engine stop/start
3MZ-FE Power & Torque
155kW @ 5600rpm
400
160
300
120
200
80
288Nm @ 4400rpm
40
1000
4000
6000
Engine Speed (rpm)
0
Output (kW)
Torque (Nm)
Changes of Hybrid Operation
Remove starter
Remove alternator
Add ceramic catalyst
No “fan” belt
LEXUS Hybrid System
Seamless
acceleration
Overseas model shown
2 x 650 Volt motor generators
links to petrol engine, front axle
via compound gear set
Generator
Battery
Battery
2 x electric motors
Solid-state Inverter
650V
288V switching
GS450h
Two-stage planetary gears
Compound
planetary
gears
x2
1 . 2478 drive motor gearing
multiplies torque, allows more compact motor
Electronically controlled
Continuously
Variable
Optimum efficiency
Transmission
No shift points
Seamless acceleration
No slippage / loss of energy
E- FOUR
Saves on fuel
Traction when required
Added torque for take-off/acceleration
Traction in marginal conditions
E- FOUR Operation
Acceleration
Tight cornering
Regenerative Braking
RX400h – braking on both axles
Maximum efficiency
E-FOUR / VDiM
VDiM can activate E-FOUR
Varies front / rear torque split
Up to 72 : 28
VDiM Steering Assist Control
Assistance is skid control, braking and
accelerating on split – mµ surfaces
Electric Power Steering
42 Volt DC motor
Reduced engine load
1.5% fuel saving
DC/DC converter
RX400h Air-Conditioning
Electric-powered compressor
Cools vehicle while
engine stopped
Efficient cooling, greater
fuel efficiency
RX400h NO COMPROMISE
TRUE LEXUS
RX400h USA
ADVANCE
ORDERS
12,500
Delivery: 33,000
(22% Total RX)
LARGEST
EVER
RX400h Australia
Projection: 2007
Hybrid =
20%
ADVANCE ORDERS
3 Months
Total Lexus Sales
LEXUS HYBRID Australia
Sports Luxury
SUV / AWD
Total Range
V8
20% = 1500
LEXUS AUSTRALIA Growth
7200
6005
2002 – 2006
5009
4490
3111
’02
’03
’04
’05
’06 Annualised
No.3 Luxury