JPH0434476U - - Google Patents

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Publication number
JPH0434476U
JPH0434476U JP7687290U JP7687290U JPH0434476U JP H0434476 U JPH0434476 U JP H0434476U JP 7687290 U JP7687290 U JP 7687290U JP 7687290 U JP7687290 U JP 7687290U JP H0434476 U JPH0434476 U JP H0434476U
Authority
JP
Japan
Prior art keywords
pump chamber
pump
piezoelectric
housing
discharge port
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
JP7687290U
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 JP7687290U priority Critical patent/JPH0434476U/ja
Publication of JPH0434476U publication Critical patent/JPH0434476U/ja
Pending legal-status Critical Current

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  • Reciprocating Pumps (AREA)

Description

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

第１〜３図は、本考案の実施例を示す一部断面
説明図であり、第４図は、従来の圧電ポンプを示
す一部断面説明図である。 図中、１はハウジング、２は圧電素子、３はポ
ンプ室、４′，５′は逆止弁、４は吐出口、５は
吸入口を示す。 1 to 3 are partially sectional explanatory views showing an embodiment of the present invention, and FIG. 4 is a partially sectional explanatory view showing a conventional piezoelectric pump. In the figure, 1 is a housing, 2 is a piezoelectric element, 3 is a pump chamber, 4' and 5' are check valves, 4 is a discharge port, and 5 is a suction port.

Claims (1)

【実用新案登録請求の範囲】 (1) ハウジング１とその周縁部が上記ハウジン
グに固定された圧電素子２とでポンプ室３を形成
し、該ポンプ室には、それぞれ逆止弁４′，５′
を配置した吐出口４及び吸入口５を縦方向に設け
て成る圧電ポンプにおいて、吐出口４をポンプ室
３の最上部に設けたことを特徴とする圧電ポンプ
。 (2) 吸入口５をポンプ室３の最下部に設けたこ
とを特徴とする請求項第１項記載の圧電ポンプ。[Claims for Utility Model Registration] (1) A pump chamber 3 is formed by a housing 1 and a piezoelectric element 2 whose peripheral portion is fixed to the housing, and the pump chamber is provided with check valves 4' and 5, respectively. ′
A piezoelectric pump comprising a discharge port 4 and a suction port 5 arranged in the vertical direction, characterized in that the discharge port 4 is provided at the top of a pump chamber 3. (2) The piezoelectric pump according to claim 1, wherein the suction port 5 is provided at the lowest part of the pump chamber 3.
JP7687290U 1990-07-19 1990-07-19 Pending JPH0434476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7687290U JPH0434476U (en) 1990-07-19 1990-07-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7687290U JPH0434476U (en) 1990-07-19 1990-07-19

Publications (1)

Publication Number Publication Date
JPH0434476U true JPH0434476U (en) 1992-03-23

Family

ID=31618731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7687290U Pending JPH0434476U (en) 1990-07-19 1990-07-19

Country Status (1)

Country Link
JP (1) JPH0434476U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011052549A (en) * 2009-08-31 2011-03-17 Oken Ltd Piston pump and method of installing the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5974622A (en) * 1982-10-22 1984-04-27 Hitachi Ltd Electrode of semiconductor device and manufacture thereof
JPS59127741A (en) * 1983-01-13 1984-07-23 Nifco Inc Method for molding hole plug

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5974622A (en) * 1982-10-22 1984-04-27 Hitachi Ltd Electrode of semiconductor device and manufacture thereof
JPS59127741A (en) * 1983-01-13 1984-07-23 Nifco Inc Method for molding hole plug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011052549A (en) * 2009-08-31 2011-03-17 Oken Ltd Piston pump and method of installing the same

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