Title:
ROTARY PUMP
Document Type and Number:
WIPO Patent Application WO/2021/130855
Kind Code:
A1
Abstract:
Provided is a rotary pump including: a pump rotor having a flat first rotor side surface that faces one side in the axial direction and a flat second rotor side surface that faces the other side in the axial direction; and a housing that rotatably accommodates the pump rotor. The housing has: a hollow cylindrical ring member that encloses the axial outer side of the pump rotor and is open at both ends in the axial direction; a first side member that is removably attached to one end section in the axial direction of the ring member and that guides the sliding of the first rotor side surface along a flat first crosslinking fluororesin flat surface that comprises a crosslinking fluororesin; and a second side member that is removably attached to the other end section in the axial direction of the ring member and that guides the sliding of the second rotor side surface along a flat second crosslinking fluororesin flat surface that comprises a crosslinking fluororesin.
Inventors:
TAKADA SHOICHI (JP)
UOZUMI MASATO (JP)
NAKABAYASHI MAKOTO (JP)
KOBAYASHI EIICHI (JP)
IKEDA KAZUAKI (JP)
UOZUMI MASATO (JP)
NAKABAYASHI MAKOTO (JP)
KOBAYASHI EIICHI (JP)
IKEDA KAZUAKI (JP)
Application Number:
PCT/JP2019/050613
Publication Date:
July 01, 2021
Filing Date:
December 24, 2019
Export Citation:
Assignee:
SUMITOMO ELECTRIC SINTERED ALLOY LTD (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
F04C2/10
Foreign References:
| JPH0814167A | 1996-01-16 | |||
| JP2014240614A | 2014-12-25 | |||
| JPS51106912U | 1976-08-26 |
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
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