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Uses of vacuum pumps

 

Uses of vacuum pumps[edit]

Vacuum pumps are used in many industrial and scientific processes including:

Vacuum may be used to power, or provide assistance to mechanical devices. In hybrid and diesel engined motor vehicles, a pump fitted on the engine (usually on the camshaft) is used to produce vacuum. In petrol engines, instead, vacuum is typically obtained as a side-effect of the operation of the engine and the flow restriction created by the throttleplate, but may be also supplemented by an electrically operated vacuum pump to boost braking assistance or improve fuel consumption. This vacuum may then be used to power the following motor vehicle components:[6]

In an aircraft, the vacuum source is often used to power gyroscopes in the various flight instruments. To prevent the complete loss of instrumentation in the event of an electrical failure, the instrument panel is deliberately designed with certain instruments powered by electricity and other instruments powered by the vacuum source.

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