JPS57131887A - Electric well pump - Google Patents

Electric well pump

Info

Publication number
JPS57131887A
JPS57131887A JP1631081A JP1631081A JPS57131887A JP S57131887 A JPS57131887 A JP S57131887A JP 1631081 A JP1631081 A JP 1631081A JP 1631081 A JP1631081 A JP 1631081A JP S57131887 A JPS57131887 A JP S57131887A
Authority
JP
Japan
Prior art keywords
pump
capacitor
function
sensing element
temperature
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.)
Granted
Application number
JP1631081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6316591B2 (enrdf_load_stackoverflow
Inventor
Shizuo Tsuruta
Kiyoichi Kojima
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1631081A priority Critical patent/JPS57131887A/ja
Publication of JPS57131887A publication Critical patent/JPS57131887A/ja
Publication of JPS6316591B2 publication Critical patent/JPS6316591B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/10—Other safety measures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
JP1631081A 1981-02-07 1981-02-07 Electric well pump Granted JPS57131887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1631081A JPS57131887A (en) 1981-02-07 1981-02-07 Electric well pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1631081A JPS57131887A (en) 1981-02-07 1981-02-07 Electric well pump

Publications (2)

Publication Number Publication Date
JPS57131887A true JPS57131887A (en) 1982-08-14
JPS6316591B2 JPS6316591B2 (enrdf_load_stackoverflow) 1988-04-09

Family

ID=11912948

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1631081A Granted JPS57131887A (en) 1981-02-07 1981-02-07 Electric well pump

Country Status (1)

Country Link
JP (1) JPS57131887A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62225797A (ja) * 1986-03-26 1987-10-03 Sanyo Electric Co Ltd ポンプ装置
FR2645212A1 (fr) * 1989-03-31 1990-10-05 Guinard Pompes Groupe motopompe a detecteur de temperature sur la tuyauterie de refoulement
EP1203886A3 (de) * 2000-11-01 2007-01-03 Grundfos A/S Verfahren zur Ermittlung mindestens einer Eigenschaft eines im Förderweg eines Pumpenaggregats befindlichen Mediums

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62225797A (ja) * 1986-03-26 1987-10-03 Sanyo Electric Co Ltd ポンプ装置
FR2645212A1 (fr) * 1989-03-31 1990-10-05 Guinard Pompes Groupe motopompe a detecteur de temperature sur la tuyauterie de refoulement
EP1203886A3 (de) * 2000-11-01 2007-01-03 Grundfos A/S Verfahren zur Ermittlung mindestens einer Eigenschaft eines im Förderweg eines Pumpenaggregats befindlichen Mediums

Also Published As

Publication number Publication date
JPS6316591B2 (enrdf_load_stackoverflow) 1988-04-09

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