Title:
DRY-UP METHOD, COOL-DOWN METHOD, AND HEAT-UP METHOD FOR PUMP DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/228995
Kind Code:
A1
Abstract:
This dry-up method introduces a purge gas into a suction container (2A) of a pump device (100A), causes the purge gas to pass through a flow path switching device (5A) within the suction container (2A) while causing the purge gas to bypass a submerged pump (1A) within the suction container (2A), introduces, into a suction container (2B) of a pump device (100B), the purge gas that has been passed through the flow path switching device (5A), and causes the purge gas to pass through a flow path switching device (5B) within the suction container (2B) while causing the purge gas to bypass a submerged pump (1B) within the suction container (2B).
Inventors:
HONDA SHUICHIRO (JP)
KASATANI TETSUJI (JP)
IKEDA HAYATO (JP)
WATAJI KEI (JP)
KIKUCHI HYUGA (JP)
IWAMI MITSUTAKA (JP)
SUZUKI ASAKI (JP)
KASATANI TETSUJI (JP)
IKEDA HAYATO (JP)
WATAJI KEI (JP)
KIKUCHI HYUGA (JP)
IWAMI MITSUTAKA (JP)
SUZUKI ASAKI (JP)
Application Number:
PCT/JP2023/019444
Publication Date:
November 30, 2023
Filing Date:
May 25, 2023
Export Citation:
Assignee:
EBARA CORP (JP)
International Classes:
F04D13/08; F04D7/02; F04D13/14; F17C13/00
Domestic Patent References:
| WO2022113450A1 | 2022-06-02 |
Foreign References:
| JPH06307376A | 1994-11-01 | |||
| JP2007024166A | 2007-02-01 | |||
| JPH05133385A | 1993-05-28 |
Attorney, Agent or Firm:
HIROSAWA, Tetsuya et al. (JP)
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