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(11) | EP 1 788 249 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Positive-displacement pump |
(57) A positive-displacement pump (1) consists of a containment body (2) having a first
and a second pipe (3a, 3b) for the passage of a liquid to be pumped. The pipes (3a,
3b) are both in fluid communication with a cavity (7) made in the containment body
(2). The cavity (7) houses a rotor (11) moved by movement means (12). The pump (1)
also has a movement part (15) attached to the containment body (2) for moving the
body (2) relative to the rotor (11).
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