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Title:
SCREW PUMP
Document Type and Number:
Japanese Patent JPH0460182
Kind Code:
A
Abstract:

PURPOSE: To obtain stable operation by providing many rollers for suppressing an upper end of a holder of holding a partitioning plate, in the case of a device in which the partitioning plate for closing adjacent blades of a screw is slidably provided in a longitudinal groove formed in an axial direction in the internal peripheral surface of an outer cylinder for housing the screw.

CONSTITUTION: A screw pump is provided with a longitudinal groove 3, extended in an axial direction, in the internal peripheral surface of an outer cylinder 1 while a screw 2 turnably in the pump outer cylinder 1 and a partitioning plate 5, which closes blades 2a, 2b of the screw 2 adjacent to a center shaft 4, slidably in the axial direction in this longitudinal groove 3. That is, upper and lower chains 13 are horizontally linked between upper and lower sprocket wheels 14, 15 rotatably supported to upper both sides of a base table 1a above the outer cylinder 1, and the upper and lower in an advancing side of a holder reverse side of the partitioning plate 5 are connected by a pin to these upper and lower chains 13. Here, many rollers l8a... for suppressing an upper end of a holder are provided in a retaining casing body 18b. A guide for aligning a direction of the holder to the direction of the chain 13 is fixed to the inside of the chain 13.


Inventors:
HAYASHI AKIRA
Application Number:
JP17166790A
Publication Date:
February 26, 1992
Filing Date:
June 29, 1990
Export Citation:
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Assignee:
HAYASHI SEIKOU KK
International Classes:
F04C2/107; F04C13/00; (IPC1-7): F04C2/107; F04C13/00
Attorney, Agent or Firm:
Ishido



 
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