| 摘要 |
Worm pump for thick media and/or media containing lumps, e.g., meat in pieces, of the kind comprising a tubular housing with an inlet and an outlet, a worm rotor rotatably supported in the housing, and a worm-gate assembly comprising a number of gate members adapted during the rotation of the worm to protrude into and follow the latter's convolutions and thus prevent the medium being pumped from following the rotation of the worm rotor. The worm-gate assembly comprises a number of loose gate members slidingly supported in an endless track of which a substantially rectilinear portion extends alongside and parallel to the worm rotor.
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