EUROSENS
Fuel
flow
meters.
Operation
manual.
ver.
1.6
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Page
19
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30
Fig.4.
Typical
fuel
system
Fuel
backup
pump
(hereinafter
–
supply
pump)
supplies
to
the
inlet
of
fuel
injection
pump
(hereinafter
‐
fuel
pump)
significantly
larger
amount
of
fuel
than
is
consumed
in
each
cycle
of
operation
of
the
engine.
Excess
fuel
from
the
fuel
pump
and
injectors
of
the
engine
is
discharged
back
into
the
tank
through
relief
valve.
4.4.2
Installation
of
fuel
flow
meters
Eurosens
Direct
"On
pressure
side"
scheme
Installation
of
fuel
flow
sensor
Eurosens
Direct
"On
pressure
side"
scheme
intends
the
installation
of
a
flow
sensor
between
fuel
fine
filter
and
fuel
pump,
where
fuel
is
flown
under
pressure.
Fig.5.
Eurosens
Direct
installation
«On
pressure
side».
Check
valve
is
necessary
only
for
“Direct
P,
PH”
series.
