JPS5348250A - Freezing-preventive operation system of feedwater system - Google Patents

Freezing-preventive operation system of feedwater system

Info

Publication number
JPS5348250A
JPS5348250A JP12803377A JP12803377A JPS5348250A JP S5348250 A JPS5348250 A JP S5348250A JP 12803377 A JP12803377 A JP 12803377A JP 12803377 A JP12803377 A JP 12803377A JP S5348250 A JPS5348250 A JP S5348250A
Authority
JP
Japan
Prior art keywords
freezing
feedwater
water
preventive operation
preventive
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
JP12803377A
Other languages
Japanese (ja)
Other versions
JPS5414336B2 (en
Inventor
Hiroyuki Ando
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 JP12803377A priority Critical patent/JPS5348250A/en
Publication of JPS5348250A publication Critical patent/JPS5348250A/en
Publication of JPS5414336B2 publication Critical patent/JPS5414336B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE:To prevent freezing and reduce maintenance costs by passing water, upon attaining near-freezing temperature, through a feed water and freezing-preventive water lines and upon attaining a still lower temperature, water heated by a heat exchanger.
JP12803377A 1977-10-24 1977-10-24 Freezing-preventive operation system of feedwater system Granted JPS5348250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12803377A JPS5348250A (en) 1977-10-24 1977-10-24 Freezing-preventive operation system of feedwater system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12803377A JPS5348250A (en) 1977-10-24 1977-10-24 Freezing-preventive operation system of feedwater system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP10509472A Division JPS5326058B2 (en) 1972-10-19 1972-10-19

Publications (2)

Publication Number Publication Date
JPS5348250A true JPS5348250A (en) 1978-05-01
JPS5414336B2 JPS5414336B2 (en) 1979-06-06

Family

ID=14974843

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12803377A Granted JPS5348250A (en) 1977-10-24 1977-10-24 Freezing-preventive operation system of feedwater system

Country Status (1)

Country Link
JP (1) JPS5348250A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105864U (en) * 1979-01-22 1980-07-24
JPS57182071U (en) * 1981-05-14 1982-11-18
JPS5820843U (en) * 1981-07-31 1983-02-08 高木産業株式会社 antifreeze device
JPS5887043U (en) * 1981-12-09 1983-06-13 株式会社日立ホームテック Water heater
JPS5893732U (en) * 1981-12-18 1983-06-25 株式会社日立ホームテック Water heater
JPS60228846A (en) * 1984-04-26 1985-11-14 Matsushita Electric Ind Co Ltd Hot-water supplying device
JP2003139405A (en) * 2001-08-24 2003-05-14 Denso Corp Storage-type hot water supply system
JP2003254621A (en) * 2002-03-04 2003-09-10 Rinnai Corp Cogeneration system
JP2004257583A (en) * 2003-02-24 2004-09-16 Matsushita Electric Ind Co Ltd Storage water heater

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105864U (en) * 1979-01-22 1980-07-24
JPS57182071U (en) * 1981-05-14 1982-11-18
JPH0117016Y2 (en) * 1981-05-14 1989-05-18
JPS5820843U (en) * 1981-07-31 1983-02-08 高木産業株式会社 antifreeze device
JPS5887043U (en) * 1981-12-09 1983-06-13 株式会社日立ホームテック Water heater
JPS5893732U (en) * 1981-12-18 1983-06-25 株式会社日立ホームテック Water heater
JPS60228846A (en) * 1984-04-26 1985-11-14 Matsushita Electric Ind Co Ltd Hot-water supplying device
JP2003139405A (en) * 2001-08-24 2003-05-14 Denso Corp Storage-type hot water supply system
JP2003254621A (en) * 2002-03-04 2003-09-10 Rinnai Corp Cogeneration system
JP2004257583A (en) * 2003-02-24 2004-09-16 Matsushita Electric Ind Co Ltd Storage water heater

Also Published As

Publication number Publication date
JPS5414336B2 (en) 1979-06-06

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