JPH01158946U - - Google Patents

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Publication number
JPH01158946U
JPH01158946U JP5470888U JP5470888U JPH01158946U JP H01158946 U JPH01158946 U JP H01158946U JP 5470888 U JP5470888 U JP 5470888U JP 5470888 U JP5470888 U JP 5470888U JP H01158946 U JPH01158946 U JP H01158946U
Authority
JP
Japan
Prior art keywords
filter
piezoelectric element
filter device
view
sectional
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
JP5470888U
Other languages
Japanese (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 JP5470888U priority Critical patent/JPH01158946U/ja
Publication of JPH01158946U publication Critical patent/JPH01158946U/ja
Pending legal-status Critical Current

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  • Measuring Fluid Pressure (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案を適用したフイルター装置を流
路管に配設した状態を示す要部拡大断面図、第2
図は本考案を適用したフイルター装置の一例を示
す正面図、第3図は第2図A−A線における縦断
面図である。第4図は流路管内の流速とフイルタ
ー前後の差圧及び検出電圧を示す特性図である。
第5図は本考案を適用したフイルター装置の他の
例を示す正面図、第6図は第5図B−B線におけ
る縦断面図、第7図はさらに他の例を示す正面図
、第8図は第7図C−C線における縦断面図であ
る。第9図は従来のフイルター装置を流路管に配
設した状態を示す要部拡大断面図である。 5,14……フイルター、6,16……枠体、
7,15……圧電素子。
Fig. 1 is an enlarged cross-sectional view of the main parts showing a state in which a filter device to which the present invention is applied is installed in a flow pipe;
The figure is a front view showing an example of a filter device to which the present invention is applied, and FIG. 3 is a longitudinal cross-sectional view taken along the line AA in FIG. 2. FIG. 4 is a characteristic diagram showing the flow velocity in the flow pipe, the differential pressure before and after the filter, and the detected voltage.
FIG. 5 is a front view showing another example of a filter device to which the present invention is applied, FIG. 6 is a longitudinal cross-sectional view taken along line B-B in FIG. FIG. 8 is a longitudinal sectional view taken along the line CC in FIG. 7. FIG. 9 is an enlarged sectional view of essential parts showing a state in which a conventional filter device is disposed in a flow path pipe. 5, 14... Filter, 6, 16... Frame body,
7,15...Piezoelectric element.

Claims (1)

【実用新案登録請求の範囲】 フイルターと圧電素子とを備えてなり、 上記フイルター前後の差圧による圧電素子への
圧力を電気信号として検出することを特徴とする
フイルター装置。
[Claims for Utility Model Registration] A filter device comprising a filter and a piezoelectric element, which detects pressure on the piezoelectric element due to a pressure difference before and after the filter as an electrical signal.
JP5470888U 1988-04-23 1988-04-23 Pending JPH01158946U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5470888U JPH01158946U (en) 1988-04-23 1988-04-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5470888U JPH01158946U (en) 1988-04-23 1988-04-23

Publications (1)

Publication Number Publication Date
JPH01158946U true JPH01158946U (en) 1989-11-02

Family

ID=31280624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5470888U Pending JPH01158946U (en) 1988-04-23 1988-04-23

Country Status (1)

Country Link
JP (1) JPH01158946U (en)

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