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Vane motor

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Vane motor

  1. 1. Himanshu Patil T 32 Vijay Patil T 34 Rinil George Rajeev T 39 Ritesh Gautam T 40
  2. 2. A typical vane-type air motor is shown in figure.
  3. 3.  This motor operates on the principle of differential areas.  When compressed air is directed into the inlet port, its pressure is exerted equally in all directions.  Area A is greater than area B, the force exerted on vane at position No.1 is more than the force exerted on the vane at position No.2.  The rotor will turn counterclockwise.  Each vane, in turn, assumes the No.1 and No.2 positions and the rotor turns continuously.
  4. 4.  The rotating element is a slotted rotor which is mounted on a drive shaft.  Each slot of the rotor is fitted with a freely sliding rectangular vane.  The rotor and vanes are enclosed in the housing.  When the rotor is in motion, the vanes tend to slide outward due to centrifugal force. The distance the vanes slide is limited by the shape of the rotor housing.
  5. 5.  Slotted Rotor: It is the rotating element of the vane moor. It is mounted on a drive shaft. It has slots to accommodate the freely sliding vanes.
  6. 6.  Vanes: These are usually rectangular. Vanes help maintain air columns inside the motor housing. Due to the difference in the forces acting on the vane surfaces the motor rotates.
  7. 7.  Motor Housing: It is hollow cylinder in which the rotor and vanes are kept. The center of rotor is offset with the housing. It has ports for inlet and outlet of air.  The inlet port is at the place where the rotor is nearest to the housing. Outlet port is usually diametrically opposite.
  8. 8. Materials Used: Housing Cylinder: Ply Wood Rotor: Wood Vane: Ply Wood
  9. 9.  Length of Housing Cylinder:10 cm  Outer Diameter of Housing Cylinder:7 cm  Inner Diameter of Housing Cylinder:6 cm  Length of Slotted Rotor:10 cm  Diameter of Slotted Rotor:4.5 cm  Vane Dimension:10*1.5*0.5 cm
  10. 10.  1. Hand Tools – For drilling and cutting  2. Automobiles – Compressed Air Engines  3. Torpedoes – Compressed Air Propelled  4. Locomotives in Coal Mines

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