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Vacuum pumps – basic information

Why do we need vacuum pumps? What types of vacuum pumps are there? How does a single-vane vacuum pump work? What are the advantages of electric vacuum pumps? The following article provides an overview.

Application area

until 01:55

Conventional diesel engines are fitted with a vacuum pump as standard, as they have no throttle valve and therefore cannot generate a vacuum. Vacuum pumps are also used in petrol engines if there is an insufficient vacuum in the intake manifold after the throttle valve.


Vacuum pump variants

from 02:15 – 02:38

Vacuum pumps that move a piston or diaphragm back and forth have long proven their worth in the field. A more recent development is vane-type vacuum pumps with a rotary drive.


Drive variants

from 02:38

Vacuum pumps can be driven by means of cams, tappets, chains, belts or cam discs. Single-vane vacuum pumps are state-of-the-art: they are mostly mounted to the cylinder head and are driven by the camshaft. Electric vacuum pumps can be switched on independently of the vehicle engine as and when needed.


Keywords :
vacuum pump
Product group :
Pumps , Vacuum generation

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