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Short note on: Fluid flywheel.

Mumbai University > MECH > Sem 8 > Automobile Engineering

Marks: 5 M

Year: Dec 2014, May 2014, Dec 2013, May 2013, Dec 2012

1 Answer
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  • The fluid flywheel is used in cars with automatic transmission.
  • It consists of two members; the driving member is attached to the engine flywheel and the driven member to the transmission shaft.
  • There is no direct contact between the two members. The two rotors are always filled with fluid of suitable viscosity.
  • A simplified diagram representing the fluid flywheel is shown. At start tube X is rotating say at N rpm and Y tube is stationary.
  • With the movement of fluid in X and Y, Y also starts rotating but at a lower speed.
  • The speed goes on increasing till the speed equals to N rpm, then the coupling is fully engaged.

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