NR-3VM-T (VMA-T)

FULL NAME PUMP-REGULATOR

 

DESCRIPTION

The unit is intended for fuel supply and automatic control of the engine TV3-117.

It ensures:

  • fuel metering during starting, acceleration and deceleration;
  • maintenance of preset operation modes according to the turbo-compressor rotor speed and free turbine speed;
  • synchronized air pressure behind compressor during the simultaneous operation of two engine; change in fuel feed as provide by the electronic -regulator signals;
  • fuel distribution among the nozzles;
  • engine shut down;
  • control of compressor inlet guide vanes.

 

CHARACTERISTICS

Working fuel Т-1, ТС-1, РТ Т-1, Т5-1, ВТ
Nominal fuel pressure ­6 MPa
Maximum fuel consumption 540 kg/h
Environment temperature -60…+100 °С
Maximum rotation speed:
-drive ПТК 4100 rpm
– -drive ПСТ 4230 rpm
Weight 27 kg

 

INTEGRATION

Helicopter Mi-8 (modifications)
Helicopter Mi-14
Helicopter Mi-17, -171, -172
Helicopter Mi-24
Helicopter Mi-35