Title:
DRAINAGE SYSTEM AND DRAINAGE METHOD
Document Type and Number:
Japanese Patent JP2018017135
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a drainage system and a drainage method capable of shortening the time of light load operation.SOLUTION: A drainage system is provided and comprises: a plurality of pump facilities (100a and 100b); and a control device (200). Each of the plurality of pump facilities (100a and 100b) includes: a prime mover (1a); a pump (3a); and power transmission means (2a) which transmits the power of the prime mover (1a) to the pump (3a) when turned on and does not transmit the power of the prime mover (1a) to the pump (3a) when turned off. The control device (200) controls which of the power transmission means (21a and 21b) of the pump facilities (100a and 100b) is turned on based on the light load operation time of the prime mover (1a and 1b) in each of the plurality of pump facilities (100a and 100b).SELECTED DRAWING: Figure 1
Inventors:
SUGAWARA KOSAKU
KIKUTA KYOSUKE
ISHIWATARI TAKAYUKI
YOSHIMOTO MASAHITO
ASANO RYUTA
MIYAUCHI TERUYUKI
KIKUTA KYOSUKE
ISHIWATARI TAKAYUKI
YOSHIMOTO MASAHITO
ASANO RYUTA
MIYAUCHI TERUYUKI
Application Number:
JP2016146069A
Publication Date:
February 01, 2018
Filing Date:
July 26, 2016
Export Citation:
Assignee:
EBARA CORP
International Classes:
F04D15/00; E02B7/20; E03F1/00; E03F5/22; F04D13/00
Attorney, Agent or Firm:
Seiji Ohno
Kobayashi Hideyoshi
Hiroyuki Ohno
Koji Morita
Osamu Tsuda
Matsuno Chihiro
Seiichi Sakitani
Tsukuda Seigen
Hiroshi Nomoto
Kobayashi Hideyoshi
Hiroyuki Ohno
Koji Morita
Osamu Tsuda
Matsuno Chihiro
Seiichi Sakitani
Tsukuda Seigen
Hiroshi Nomoto