Title:
UNIAXIAL ECCENTRIC SCREW PUMP AND METHOD FOR OPERATING THE SAME
Document Type and Number:
Japanese Patent JP2015224617
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce starting torque of a uniaxial eccentric screw pump in which a stator rotates dependently to a rotor.SOLUTION: In a uniaxial eccentric screw pump 1, a reducer 50 is provided so as to define a liquid reservoir on a discharge side of a pump body part 40, bypass piping 10 is disposed to the reducer 50 from a casing 30 on a suction side of the pump body part 40, and an on-off valve 11 is provided in the middle of the bypass piping 10. Furthermore, a drain line 12 having a drain valve 13 is provided with respect to the casing 30.
Inventors:
HAYASHIMOTO KAZUTOMO
TANEICHI JUN
TANEICHI JUN
Application Number:
JP2014111632A
Publication Date:
December 14, 2015
Filing Date:
May 29, 2014
Export Citation:
Assignee:
FURUKAWA IND MACHINERY SYSTEMS CO LTD
International Classes:
F04C2/107; F04C13/00; F04C14/26; F04C15/00
Domestic Patent References:
| JP2008069896A | 2008-03-27 | |||
| JP2009293529A | 2009-12-17 | |||
| JPS5518541Y2 | 1980-04-30 | |||
| JPS53161304U | 1978-12-18 |
Foreign References:
| DE3000477A1 | 1981-07-09 | |||
| US4140444A | 1979-02-20 |
Attorney, Agent or Firm:
Tetsuya Mori
Hide Tanaka Tetsu
Ichi Hirose
Hide Tanaka Tetsu
Ichi Hirose