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Title:
UNIAXIAL ECCENTRIC SCREW PUMP
Document Type and Number:
Japanese Patent JP2015140719
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a uniaxial eccentric screw pump which transfers a desired fluid object at a desired discharge pressure during normal operation and cleans and sterilizes the interior of a stator at a high temperature without causing abnormal wear in the stator.SOLUTION: A uniaxial eccentric screw pump includes: a casing 1; a stator 2 where one end part is connected with the casing 1 and an inner peripheral surface is formed into a female screw shape; a rotor 3 which may be inserted into the stator 2 and is formed by a shaft body having a male screw shape; and an end stud 4 connected with the other end part of the stator 2. The stator 2 comprises: a stator body 10; and an outer cylinder 9 which is removably disposed at an outer periphery part of the stator body 10. A connection portion between the stator body 10 and the casing 1 and a connection portion between the stator body 10 and the end stud 4 include at least closing structures which prevent foreign objects from intruding from the exterior.

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Inventors:
TANAKA KEI
Application Number:
JP2014013544A
Publication Date:
August 03, 2015
Filing Date:
January 28, 2014
Export Citation:
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Assignee:
HEISHIN ENG & EQUIPMENT CO LTD
International Classes:
F04C2/107; F04C14/28; F04C15/00
Domestic Patent References:
JP2011256748A2011-12-22
JP2010537095A2010-12-02
JP2013011186A2013-01-17
JP2011256748A2011-12-22
JP2010537095A2010-12-02
JP2013011186A2013-01-17
JP2011027108A2011-02-10
JP2011027108A2011-02-10
Attorney, Agent or Firm:
Mitsuo Tanaka
Hiroshi Yamazaki
Yoshiyuki Maebori
Atsushi Maeda



 
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