JPH01118262U - - Google Patents

Info

Publication number
JPH01118262U
JPH01118262U JP1347888U JP1347888U JPH01118262U JP H01118262 U JPH01118262 U JP H01118262U JP 1347888 U JP1347888 U JP 1347888U JP 1347888 U JP1347888 U JP 1347888U JP H01118262 U JPH01118262 U JP H01118262U
Authority
JP
Japan
Prior art keywords
water
check valve
water supply
level
supply 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
JP1347888U
Other languages
English (en)
Other versions
JPH0639207Y2 (ja
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 filed Critical
Priority to JP1347888U priority Critical patent/JPH0639207Y2/ja
Publication of JPH01118262U publication Critical patent/JPH01118262U/ja
Application granted granted Critical
Publication of JPH0639207Y2 publication Critical patent/JPH0639207Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Check Valves (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例を示した系統図、
第２図は給水温度の時間的変化を示したグラフで
ある。 １……ボイラー、２……給水ライン、３……逆
止弁、４……給水ポンプ、５……水位検知装置、
６……水位制御回路、７……温度センサー、８…
…判別回路、９……バーナ、１０……送風機、１
１……燃料供給ライン、１２……電磁弁、１３…
…燃料ポンプ、１４……主蒸気弁、１５……ブロ
ーバルブ。

Claims (1)

    【実用新案登録請求の範囲】
  1. ボイラー１等の給水ライン２中に設けた逆止弁
    ３及び給水ポンプ４と、缶水のレベルを検知する
    ための水位検知装置５と、前記缶水のレベルを制
    御すべく前記給水ポンプをＯＮ―ＯＦＦ稼動させ
    る水位制御回路６とを備えた装置において、前記
    逆止弁の上流側に水温検出用の温度センサー７を
    設けるとともに、給水ポンプの稼動停止後、前記
    温度センサーで検出した水温の上昇率が予め設定
    しておいた値より大きいときに、逆止弁異常と判
    断する判別回路８を設けたことを特徴とする逆止
    弁異常検出装置。
JP1347888U 1988-02-02 1988-02-02 逆止弁異常検出装置 Expired - Lifetime JPH0639207Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1347888U JPH0639207Y2 (ja) 1988-02-02 1988-02-02 逆止弁異常検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1347888U JPH0639207Y2 (ja) 1988-02-02 1988-02-02 逆止弁異常検出装置

Publications (2)

Publication Number Publication Date
JPH01118262U true JPH01118262U (ja) 1989-08-10
JPH0639207Y2 JPH0639207Y2 (ja) 1994-10-12

Family

ID=31223815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1347888U Expired - Lifetime JPH0639207Y2 (ja) 1988-02-02 1988-02-02 逆止弁異常検出装置

Country Status (1)

Country Link
JP (1) JPH0639207Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001324359A (ja) * 2000-05-15 2001-11-22 Showa Corp 流体回路の逆流検出装置およびミスト潤滑装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001324359A (ja) * 2000-05-15 2001-11-22 Showa Corp 流体回路の逆流検出装置およびミスト潤滑装置
JP4621331B2 (ja) * 2000-05-15 2011-01-26 株式会社 正和 流体回路の逆流検出装置およびミスト潤滑装置

Also Published As

Publication number Publication date
JPH0639207Y2 (ja) 1994-10-12

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