| 摘要 |
The invention relates to an Eaton pump having an outer rotor 2, whose centre of rotation 23 is offset with respect to that 22 of the inner rotor 3, an inner inlet duct 7 being disposed at the intake region 17 between the inner rotor 3 and the outer rotor 2, and an inner outlet duct 6 having an inner outlet 13 being disposed in the compression region 18 between the inner rotor 3 and the outer rotor 2. Based on this, a two-stage Eaton pump is to be provided which, compared to known two-stage Eaton pumps, requires less weight and space and is designed more simply. To this end, the outer rotor 2 has external teeth and, together with an internally-toothed peripheral rotor 1, forms a further Eaton pump. <IMAGE>
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