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Wheel change
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History 1
History 2
History 3
History 4
History 5
History 6
History 7
History 8
History 9

Lubrication 1
Lubrication 2
Lubrication 3 - Oil
Lubrication 4 - Engine Oil
Lubrication 5 - Additives
Lubrication 6 - Oil Filter 1
Lubrication 7 - Oil Filter 2
Lubrication 8 - Oil Change?
Lubrication 9 - Centrifuge
Lubrication 10 - Oil Level
Lubrication 11 - Press. Circulation
Lubrication 12 - Dry Sump
Lubrication 13 - Oil Pump
Lubrication 14 - Gear Pump
Lubrication 15 - Crescent Pump
Lubrication 16 - Rotor Pump
Blow-by system
Oil sump
Oil-mist separation
Oil Cooling
Heat Exchanger
Gearbox Oil
Transmission Lubrication
Shaft sealing-ring
Seal - Gasket
Lubrication 27 - Circulation

Lubrication 1
Lubrication 2
Lubrication 3
Lubrication 4
Lubrication 5
Lubrication 6
Lubrication 7
Lubrication 8
Lubrication 9
Lubrication 10
Lubrication 11
Lubrication 12
Lubrication 13
Lubrication 14
Lubrication 15

Lubrication 16 - Rotor pump

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The rotary-type-pump is built up as a very compact, simple cylinder with two rotary parts that sucks in lubricating fluids and pass them on under pressure.

The rotor pump is also called Eaton pump.


A small internal rotor with a few star-shaped teeth, meshes in with an external rotor which has a gap in the gear-teeth, so that in the course of one rotation, liquid is transported from one gap in the external rotor to the other. On one side of the cylinder shaped housing the respective openings provide for the constant influx on one side and for the output on the other side. The teeth of the rotor are so formed, that without having contact, there is no distance between them, thus preventing the back-flow of the oil. The rotary-type-pump transports evenly and can generate moderate pressures. 05/11

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