Title:
UNIAXIAL ECCENTRIC SCREW PUMP
Document Type and Number:
WIPO Patent Application WO/2015/114946
Kind Code:
A1
Abstract:
A uniaxial eccentric screw pump comprises a casing (1), a stator (2) one end of which is connected to the casing (1) and the inner circumferential wall of which is formed to be a female screw, a rotor (3) that can be inserted into the stator (2) and that comprises a male-screw shaft, and an end stud (4) that is connected to the other end of the stator (2). The stator (2) comprises a stator body (10), and an outer cylinder (9) removably disposed around the exterior of the stator body. A closed structure to prevent at least the penetration of external foreign matter is provided in the connecting portion of the stator body (10) and the casing (1) and the connecting portion of the stator body (10) and the end stud (4).
Inventors:
TANAKA KEI (JP)
Application Number:
PCT/JP2014/082143
Publication Date:
August 06, 2015
Filing Date:
December 04, 2014
Export Citation:
Assignee:
HEISHIN LTD (JP)
International Classes:
F04C2/107
Foreign References:
| JP2011256748A | 2011-12-22 | |||
| JP2010537095A | 2010-12-02 | |||
| JP2013011186A | 2013-01-17 | |||
| JP2011027108A | 2011-02-10 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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