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E
FUEL FILTER FOR LPG
The filter is mounted between the LPG cylinder and the right before
the solenoid valve to remove various kinds of foreign materials in
LPG. It consists of a filter element and permanent magnet, and the
filter element is detachable for easy cleaning and has sufficiently
strong construction to withstand LPG vapor pressure.
When low-grade LPG is used, vary small impurity particles flow into
the regulator causing start difficulty due to clogging of the slow
path. The filtering performance has been improved to be able to
remove foreign matters of 2 2m or more in size.
SOLENOID VALVE
The solenoid valve is mounted between the LPG filter and the
regulator, and controls gas flow according to the engine condition.
For example, when the engine is running, the solenoid valve is ON
and supplies fuel. Once the engine stops running, it turns OFF and
cuts off the gas flow.
When the current flows through the solenoid valve, which consists
of a slide valve, back spring, and solenoid coil, magnetic force is
generated. The slide valve overcomes the spring force by such
magnetic force to move forward the IN side, and fuel flows.
When the current stop flowing through the solenoid valve, the slide
valve is forced to back to the OUT side by the LPG pressure and
spring force to shut off the flow.
From
LPG
cylinder
To
Main
solenoid
valve
Filter
element
Filtering Performance
2 2m
To
Regulator
From
LPG filter
IN
Back spring
OUT
Solenoid coil
01.book 3 ページ 2007年2月22日 木曜日 午後4時46分
LPG Device for 4Y-E Engine