Pressurised air flow diagram – Double limb circuit
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Safety
Output pressure
valve
sensor (Pout)
Air temperature
Stepper motor
ventilation valve
Filter
Air inlet
Patient
Expiratory
valve
Inspiratory flow
sensor i
sensor
Optical sensor
I/E
solenoid
valve
PEEP
microturbine
Closed-loop turbine
speed control
External
FiO
2
sensor
LP O
port
2
Paw
sensor
Expiratory
Trigger
flow
sensor (Ptrig)
sensor e
Printed
circuit board
Ambient temperature
sensor
NOT013189-6