VARIABLE INTAKE-AIR SHUTTER VALVE ACTUATOR CONSTRUCTION/OPERATION[LF, L3]

id0113b3151300


Construction

•  Mainly consists of the body, rod and diaphragm chamber spring.

Operation

•  Normally, the spring force presses against the rod, keeping the shutter valve open. When vacuum is applied to the diaphragm chamber from the intake manifold, the rod is pulled, closing the shutter valve.
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1
Variable intake air shutter valve open
2
Diaphragm chamber
3
Spring
4
Rod
5
Variable intake air shutter valve
6
Variable intake air shutter valve close
7
Vacuum applied
8
Rod pulled