JPH01120625U - - Google Patents

Info

Publication number
JPH01120625U
JPH01120625U JP1612788U JP1612788U JPH01120625U JP H01120625 U JPH01120625 U JP H01120625U JP 1612788 U JP1612788 U JP 1612788U JP 1612788 U JP1612788 U JP 1612788U JP H01120625 U JPH01120625 U JP H01120625U
Authority
JP
Japan
Prior art keywords
liquid
diaphragm
piezoelectric
level sensor
protection tube
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
JP1612788U
Other languages
English (en)
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 JP1612788U priority Critical patent/JPH01120625U/ja
Publication of JPH01120625U publication Critical patent/JPH01120625U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案のレベルセンサーＳの縦断側面
図、第２図は取付け状態の縦断側面図、第３図は
出力特性の比較グラフ、第４図〜第６図は他の異
径段面の実施例を示す管路１の一部の縦断側面図
、第７図は従来構成の欠点を示す取付け状態の縦
断側面図である。 １……保護管、２……拡径部、３……鍔、４…
…異径段面、８……振動板、９……圧電素子。

Claims (1)

  1. 【実用新案登録請求の範囲】 金属保護管の下端開口に、一面を外部に露出さ
    せて振動板を液密状に接合し、前記振動板の内面
    に圧電素子を貼着してバイモルフ型の液体感知部
    を構成し、前記振動板の露出外面が液体と非接触
    の時に前記圧電素子を振動させて、液体の有無を
    検出する圧電式液体レベルセンサーにおいて、 前記保護管の周面に、液切り用異径段面を形成
    したことを特徴とする圧電式液体レベルセンサー
    。
JP1612788U 1988-02-08 1988-02-08 Pending JPH01120625U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1612788U JPH01120625U (ja) 1988-02-08 1988-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1612788U JPH01120625U (ja) 1988-02-08 1988-02-08

Publications (1)

Publication Number Publication Date
JPH01120625U true JPH01120625U (ja) 1989-08-16

Family

ID=31228785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1612788U Pending JPH01120625U (ja) 1988-02-08 1988-02-08

Country Status (1)

Country Link
JP (1) JPH01120625U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011169679A (ja) * 2010-02-17 2011-09-01 Nohken:Kk 液面レベル検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011169679A (ja) * 2010-02-17 2011-09-01 Nohken:Kk 液面レベル検出装置

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