JPS5387008A - Jet pump unit for well pump - Google Patents

Jet pump unit for well pump

Info

Publication number
JPS5387008A
JPS5387008A JP81077A JP81077A JPS5387008A JP S5387008 A JPS5387008 A JP S5387008A JP 81077 A JP81077 A JP 81077A JP 81077 A JP81077 A JP 81077A JP S5387008 A JPS5387008 A JP S5387008A
Authority
JP
Japan
Prior art keywords
pump
well
pump unit
jet
jet 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.)
Granted
Application number
JP81077A
Other languages
Japanese (ja)
Other versions
JPS5736440B2 (en
Inventor
Koji 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 JP81077A priority Critical patent/JPS5387008A/en
Publication of JPS5387008A publication Critical patent/JPS5387008A/en
Publication of JPS5736440B2 publication Critical patent/JPS5736440B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To obtain a jet pump unit that prevents itself from lowering the efficiency at a time of a low head, by mounting a main valve mechanism through a pressure chamber at a pilot valve which is operated with the difference in the pressure between a suction passage and a discharge passage.
COPYRIGHT: (C)1978,JPO&Japio
JP81077A 1977-01-10 1977-01-10 Jet pump unit for well pump Granted JPS5387008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP81077A JPS5387008A (en) 1977-01-10 1977-01-10 Jet pump unit for well pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP81077A JPS5387008A (en) 1977-01-10 1977-01-10 Jet pump unit for well pump

Publications (2)

Publication Number Publication Date
JPS5387008A true JPS5387008A (en) 1978-08-01
JPS5736440B2 JPS5736440B2 (en) 1982-08-04

Family

ID=11484028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP81077A Granted JPS5387008A (en) 1977-01-10 1977-01-10 Jet pump unit for well pump

Country Status (1)

Country Link
JP (1) JPS5387008A (en)

Also Published As

Publication number Publication date
JPS5736440B2 (en) 1982-08-04

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