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Rotary vane pumps and motors

Rotary vane pumps and motors. Tomáš Vojáček. Basic description. A rotary vane pump is a type of a positive-displacement pump, invented by a Canadian engineer Charles C. Barnes in 1874. Rotary vane pumps contain two or more vanes on a rotor, which rotates inside a cavity.

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Rotary vane pumps and motors

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  1. Rotary vane pumps and motors Tomáš Vojáček

  2. Basic description • A rotary vane pump is a type of a positive-displacement pump, invented by a Canadian engineer Charles C. Barnes in 1874. • Rotary vane pumps contain two or more vanes on a rotor, which rotates inside a cavity. • The rotor is placed in the cavity eccentrically. • The vanes can have various lengths. • They are usually tensioned (using a spring) so that they can keep contact with the walls during the rotation.

  3. Application • Rotary vane pumps are often used in some high pressure car equipment, such as superchargers, power steering and automatic transmission boxes. • Sometimes also low pressure applications, such as secondary air injection used for automobile emissions control, or in some air conditioners, where it pumps a refrigerant.

  4. Rotary vane vacuum pumps

  5. Thank you for your attention

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