| 摘要 |
PROBLEM TO BE SOLVED: To provide a two-shaft screw pump, if larger, allowing one person to easily and accurately mount/demount a pump casing on/from a driving part. SOLUTION: The two-shaft screw pump comprises a driving part by which a pair of pump screws are each rotatably supported at one end, a pump casing demountable from the driving part, embracing the pair of pump screws in the mounted condition and having a pump chamber formed inside, and a base part for supporting the driving part and the pump casing at their lower sides. The pump casing is supported to be slidable closer to and farther from the driving part by a plurality of sliding bars provided on the upper face of the base part in parallel to the rotating shafts of the pump screws. COPYRIGHT: (C)2005,JPO&NCIPI
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