JPS5363601A - Circulating device - Google Patents

Circulating device

Info

Publication number
JPS5363601A
JPS5363601A JP13933176A JP13933176A JPS5363601A JP S5363601 A JPS5363601 A JP S5363601A JP 13933176 A JP13933176 A JP 13933176A JP 13933176 A JP13933176 A JP 13933176A JP S5363601 A JPS5363601 A JP S5363601A
Authority
JP
Japan
Prior art keywords
circulating device
circulating
valves
stopping
keeping
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
JP13933176A
Other languages
Japanese (ja)
Other versions
JPS5938436B2 (en
Inventor
Masaji Hattori
Yoshihisa Matsumoto
Hiroaki Yonekubo
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP13933176A priority Critical patent/JPS5938436B2/en
Publication of JPS5363601A publication Critical patent/JPS5363601A/en
Publication of JPS5938436B2 publication Critical patent/JPS5938436B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To prevent water from falling from a terminal device by a circulating device capable of keeping the inside pressure in an air drain valve or automatic water feed valve for supplying steam always at a positive pressure thereby enabling these valves to actuate even at the stopping of a circulating pump.
COPYRIGHT: (C)1978,JPO&Japio
JP13933176A 1976-11-18 1976-11-18 circulation device Expired JPS5938436B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13933176A JPS5938436B2 (en) 1976-11-18 1976-11-18 circulation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13933176A JPS5938436B2 (en) 1976-11-18 1976-11-18 circulation device

Publications (2)

Publication Number Publication Date
JPS5363601A true JPS5363601A (en) 1978-06-07
JPS5938436B2 JPS5938436B2 (en) 1984-09-17

Family

ID=15242817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13933176A Expired JPS5938436B2 (en) 1976-11-18 1976-11-18 circulation device

Country Status (1)

Country Link
JP (1) JPS5938436B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9017123U1 (en) * 1990-12-19 1991-03-14 ProCent Patent- und Verwaltungs AG, Zürich Writing projector with a larger and a smaller work surface

Also Published As

Publication number Publication date
JPS5938436B2 (en) 1984-09-17

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