Boost compensator
Boost compensators are used in turbocharged engines to
compensate the fuel injection quantity in accordance with the
boost pressure.
This device consists of an (1) actuator, (2) pellet, (3) arm,
and (4) adjusting screw.
If the boost pressure is low (such as during sudden
acceleration), excess fuel injection is suppressed to prevent
black smoke from being generated, etc.
If the boost pressure is high, an adequate fuel injection
quantity is ensured to generate sufficient output.
During cold starts, the pellet operates to enable adequate fuel
injection and ensure good startability.
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