•
Configuration 3/5
•
Rotors dia:
Male
d
e1
=69 mm
Female
d
e2
=48 mm
•
Compressor l/d=1.2
•
Expander
l/d=1
•
Speed
n=9500 rpm
•
Size 450x180x180
mm
•
Weight 20 kg
•
Motor power 3.5 kW
•
Manufacturing costs as for the single machine
•
Two pair of bearings – reduction in mechanical losses
•
Balancing of forces
– further reduction in losses
Compressor-expander for automotive FC
Electric motor
Compressor
Expander
Sinc. gears