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Patent Searching and Data


Title:
SINGLE-AXIS ECCENTRIC SCREW PUMP
Document Type and Number:
WIPO Patent Application WO/2016/111040
Kind Code:
A1
Abstract:
A single-axis eccentric screw pump is provided with: a stator 9 having an inner surface formed in a female screw-thread shape; a rotor 10 capable of being inserted through the stator 9 and comprising a shaft body having a male screw-thread shape; an outer cover body 8 capable of moving between a first position which is on the outer peripheral side of the stator 9 and a second position at which the outer cover body 8 compresses the stator 9; and a movement means 7 for moving the outer cover body 8 between the first position and the second position. As a result of this configuration, the contact pressure of the stator 9 on the rotor 10 is stabilized, and fluid is discharged at a desired discharge pressure.

Inventors:
YAMANE TETSUO (JP)
TSUKAMOTO KENTO (JP)
Application Number:
JP2015/074717
Publication Date:
July 14, 2016
Filing Date:
August 31, 2015
Export Citation:
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Assignee:
HEISHIN LTD (JP)
International Classes:
F04C2/107; F04C15/00
Foreign References:
JPS5022310A1975-03-10
US3028812A1962-04-10
US2796029A1957-06-18
US3011445A1961-12-05
US3139035A1964-06-30
US3084631A1963-04-09
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
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