JPS52140009A - Pressure switch - Google Patents

Pressure switch

Info

Publication number
JPS52140009A
JPS52140009A JP5659576A JP5659576A JPS52140009A JP S52140009 A JPS52140009 A JP S52140009A JP 5659576 A JP5659576 A JP 5659576A JP 5659576 A JP5659576 A JP 5659576A JP S52140009 A JPS52140009 A JP S52140009A
Authority
JP
Japan
Prior art keywords
pressure switch
intend
stabilize
capacity
place
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
JP5659576A
Other languages
Japanese (ja)
Inventor
Shizuo Tsuruta
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 JP5659576A priority Critical patent/JPS52140009A/en
Publication of JPS52140009A publication Critical patent/JPS52140009A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To intend to prevent generation of water pool and stabilize the capacity by providing drain holes of over one place on the bottom part, in the pressure switch of automatic well pump.
COPYRIGHT: (C)1977,JPO&Japio
JP5659576A 1976-05-19 1976-05-19 Pressure switch Pending JPS52140009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5659576A JPS52140009A (en) 1976-05-19 1976-05-19 Pressure switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5659576A JPS52140009A (en) 1976-05-19 1976-05-19 Pressure switch

Publications (1)

Publication Number Publication Date
JPS52140009A true JPS52140009A (en) 1977-11-22

Family

ID=13031544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5659576A Pending JPS52140009A (en) 1976-05-19 1976-05-19 Pressure switch

Country Status (1)

Country Link
JP (1) JPS52140009A (en)

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