Title:
DEEP WELL SUBMERGED PUMP
Document Type and Number:
Japanese Patent JP2015096702
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a deep well submerged pump capable of: keeping a foreign matter such as gravel and sludge from entering into a submerged pump while the submerged pump is in operation for a long period of time; and preventing a submerged motor from being burnt out even when suction performance of the submerged pump is declined due to clogging of a strainer after a lapse of predetermined operation time.SOLUTION: A deep well submerged pump 1 comprises: a suction port 20 which has a water lifting pipe 24 and a strainer S; a mesh body 30 which entirely covers outer peripheries of the submerged pump 22 and a submerged motor; and a safety device 40 which is installed on a lower edge opening section 30B of the mesh body and opened by negative pressure inside a cylinder on an occurrence of clogging of the mesh body to supply the submerged pump with water W.
Inventors:
YUI MASAYUKI
Application Number:
JP2013236628A
Publication Date:
May 21, 2015
Filing Date:
November 15, 2013
Export Citation:
Assignee:
YUI ENGINEERING KK
International Classes:
F04D13/08; F04D13/10; F04D15/00; F04D15/02; F04D29/70
Domestic Patent References:
| JP337005069Y | ||||
| JP337025963Y | ||||
| JP336023205Y |
Attorney, Agent or Firm:
Tatsuhiko Ishigaki
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