JPS5376409A - Pumping unit - Google Patents

Pumping unit

Info

Publication number
JPS5376409A
JPS5376409A JP15088776A JP15088776A JPS5376409A JP S5376409 A JPS5376409 A JP S5376409A JP 15088776 A JP15088776 A JP 15088776A JP 15088776 A JP15088776 A JP 15088776A JP S5376409 A JPS5376409 A JP S5376409A
Authority
JP
Japan
Prior art keywords
pumping unit
discharge section
operation valve
continuously operated
pressure
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
JP15088776A
Other languages
Japanese (ja)
Inventor
Kenzo Mikata
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 JP15088776A priority Critical patent/JPS5376409A/en
Publication of JPS5376409A publication Critical patent/JPS5376409A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To provide a pumping unit with a high life operation valve which can be continuously operated above the open pressure of a pressure switch in the discharge section.
COPYRIGHT: (C)1978,JPO&Japio
JP15088776A 1976-12-17 1976-12-17 Pumping unit Pending JPS5376409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15088776A JPS5376409A (en) 1976-12-17 1976-12-17 Pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15088776A JPS5376409A (en) 1976-12-17 1976-12-17 Pumping unit

Publications (1)

Publication Number Publication Date
JPS5376409A true JPS5376409A (en) 1978-07-06

Family

ID=15506545

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15088776A Pending JPS5376409A (en) 1976-12-17 1976-12-17 Pumping unit

Country Status (1)

Country Link
JP (1) JPS5376409A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138109A (en) * 1974-09-27 1976-03-30 Hitachi Ltd JIDOSHIKI HONPU
JPS5153604A (en) * 1974-11-06 1976-05-12 Hitachi Ltd JIDOSHIKI HONPU
JPS5156006A (en) * 1974-11-11 1976-05-17 Hitachi Ltd JIDOSHIKI HONPUSO CHI

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138109A (en) * 1974-09-27 1976-03-30 Hitachi Ltd JIDOSHIKI HONPU
JPS5153604A (en) * 1974-11-06 1976-05-12 Hitachi Ltd JIDOSHIKI HONPU
JPS5156006A (en) * 1974-11-11 1976-05-17 Hitachi Ltd JIDOSHIKI HONPUSO CHI

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