ENGINE
M6040, M7040, WSM
1-M5
[6] CENTER DIRECT INJECTION SYSTEM (E-CDIS)
The 07 series DI engine adopts the Center Direct
Injection System (E-CDIS), in which the injection nozzle
is positioned upright at the center of the cylinder.
This system serves to inject fuel directly at the center
of the cylinder. By so doing, injected fuel and suction air
can be mixed more uniformly, leading to more stable,
higher combustion performance. In other words, cleaner
emission, higher power output, lower fuel consumption,
lower operating noise and higher start-up performance.
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The 07 series DI engine has two intake valves and
two exhaust valves per each cylinder.
The rocker arm (1) contacts a bridge arm (2) instead
of the valves stem tip.
The bridge arm then contacts both intake valves or
both exhaust valves and causes two valves to open
simultaneously.
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(1) Exhaust Valves
(2) Piston
(3) Injection Nozzle
(4) Intake Valves
(1) Rocker Arm (2) Bridge Arm
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