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JPS5248104A - Preventive process for abnormal rise of pressure at shut-off starting of a pump - Google Patents

Preventive process for abnormal rise of pressure at shut-off starting of a pump

Info

Publication number
JPS5248104A
JPS5248104A JP12378975A JP12378975A JPS5248104A JP S5248104 A JPS5248104 A JP S5248104A JP 12378975 A JP12378975 A JP 12378975A JP 12378975 A JP12378975 A JP 12378975A JP S5248104 A JPS5248104 A JP S5248104A
Authority
JP
Japan
Prior art keywords
pump
starting
pressure
shut
abnormal rise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12378975A
Other languages
Japanese (ja)
Inventor
Katsuji Nakamura
Seiichi Tsuji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebara Corp
Original Assignee
Ebara Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ebara Corp filed Critical Ebara Corp
Priority to JP12378975A priority Critical patent/JPS5248104A/en
Publication of JPS5248104A publication Critical patent/JPS5248104A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: A sure preventive process against abnormal rise of pressure at shutoff starting with full water in a deep vertical shaft pump for prevention of injuries of the pump, pipes, valves and so on.
COPYRIGHT: (C)1977,JPO&Japio
JP12378975A 1975-10-16 1975-10-16 Preventive process for abnormal rise of pressure at shut-off starting of a pump Pending JPS5248104A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12378975A JPS5248104A (en) 1975-10-16 1975-10-16 Preventive process for abnormal rise of pressure at shut-off starting of a pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12378975A JPS5248104A (en) 1975-10-16 1975-10-16 Preventive process for abnormal rise of pressure at shut-off starting of a pump

Publications (1)

Publication Number Publication Date
JPS5248104A true JPS5248104A (en) 1977-04-16

Family

ID=14869328

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12378975A Pending JPS5248104A (en) 1975-10-16 1975-10-16 Preventive process for abnormal rise of pressure at shut-off starting of a pump

Country Status (1)

Country Link
JP (1) JPS5248104A (en)

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