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Title:
SCREW PUMP
Document Type and Number:
Japanese Patent JPH04333411
Kind Code:
A
Abstract:

PURPOSE: To work a partition plate certainly and at correct timing in a screw pump provided with a longitudinal groove 3 extending in the axial direction on the inner peripheral surface of a pump outer cylinder 1 as well as providing a screw to rotate in the pump outer cylinder and provided with the above- mentioned partition plate to block between a central shaft 4 and a blade of the adjacent screws to slide in the axial direction in this longitudinal groove 3.

CONSTITUTION: A projection or a roller 22 provided on a partition plate engages with a push-in cam 30 to successively rotate in one direction from above at a push-down position and engages with a push-up cam 32 to rotate successively in one direction from below at a push-down position.


Inventors:
HAYASHI AKIRA
Application Number:
JP10101091A
Publication Date:
November 20, 1992
Filing Date:
May 02, 1991
Export Citation:
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Assignee:
HAYASHI SEIKO KK
International Classes:
B65G33/14; F04D3/02; (IPC1-7): B65G33/14; F04D3/02
Attorney, Agent or Firm:
Ishido



 
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