JPS5392909A - Jet pump unit of well pump - Google Patents

Jet pump unit of well pump

Info

Publication number
JPS5392909A
JPS5392909A JP681577A JP681577A JPS5392909A JP S5392909 A JPS5392909 A JP S5392909A JP 681577 A JP681577 A JP 681577A JP 681577 A JP681577 A JP 681577A JP S5392909 A JPS5392909 A JP S5392909A
Authority
JP
Japan
Prior art keywords
pump
well
jet
unit
well pump
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
JP681577A
Other languages
Japanese (ja)
Inventor
Kozo Tamura
Tomohiko Taki
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 JP681577A priority Critical patent/JPS5392909A/en
Publication of JPS5392909A publication Critical patent/JPS5392909A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

PURPOSE: To render a well pump free from efficiency drop during low-head operation and to make it usable as an exclusive-purpose high-head pump, by assembling a detachable control means which has a main nozzle for opening and closing the root end of a nozzle faced with a venturi.
COPYRIGHT: (C)1978,JPO&Japio
JP681577A 1977-01-26 1977-01-26 Jet pump unit of well pump Pending JPS5392909A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP681577A JPS5392909A (en) 1977-01-26 1977-01-26 Jet pump unit of well pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP681577A JPS5392909A (en) 1977-01-26 1977-01-26 Jet pump unit of well pump

Publications (1)

Publication Number Publication Date
JPS5392909A true JPS5392909A (en) 1978-08-15

Family

ID=11648690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP681577A Pending JPS5392909A (en) 1977-01-26 1977-01-26 Jet pump unit of well pump

Country Status (1)

Country Link
JP (1) JPS5392909A (en)

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