JPS58158191U - underwater pump - Google Patents

underwater pump

Info

Publication number
JPS58158191U
JPS58158191U JP5502282U JP5502282U JPS58158191U JP S58158191 U JPS58158191 U JP S58158191U JP 5502282 U JP5502282 U JP 5502282U JP 5502282 U JP5502282 U JP 5502282U JP S58158191 U JPS58158191 U JP S58158191U
Authority
JP
Japan
Prior art keywords
boss
casing cover
impeller
communicates
exhaust hole
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
JP5502282U
Other languages
Japanese (ja)
Inventor
水野　久範
明 山田
Original Assignee
株式会社川本製作所
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 株式会社川本製作所 filed Critical 株式会社川本製作所
Priority to JP5502282U priority Critical patent/JPS58158191U/en
Publication of JPS58158191U publication Critical patent/JPS58158191U/en
Pending legal-status Critical Current

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  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来例を示す切欠側面図、第２図は本考案の一
実施例を示す断面図、第３図はボス部の横断面図、第４
図は要部の変形例を示す説明図である。 １０・・・ケーシング、１３・・・ケーシングカバー、
１６゛１・・駆動軸、１７・・・羽根車、１８・・・ボ
ス部、１９・・・裏シュラウド部、２０・・・ブッシン
グ、２２・・・排気孔、２３・・・溝。Fig. 1 is a cutaway side view showing a conventional example, Fig. 2 is a sectional view showing an embodiment of the present invention, Fig. 3 is a cross-sectional view of the boss portion, and Fig. 4 is a cross-sectional view showing an embodiment of the present invention.
The figure is an explanatory diagram showing a modification of the main part. 10... Casing, 13... Casing cover,
16゛1... Drive shaft, 17... Impeller, 18... Boss part, 19... Back shroud part, 20... Bushing, 22... Exhaust hole, 23... Groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中心部に突設されたボス部を有する羽根車と、上記ボス
部が取付けられた駆動軸を回転自在に支持するとともに
内部と外部とを連通ずる排気孔が形設されたケーシング
カバーとを有するものにおいて、上記ケーシングカバー
に設けられ上記ボス部の外周部と摺接するブッシングと
、上記ボス部の外周部に形成され上記羽根車の裏シュラ
ウド部と上記排気孔とを連通ずる溝とを具備す゛ること
を特徴とする水中ポンプ。It has an impeller having a boss portion protruding from the center, and a casing cover that rotatably supports the drive shaft to which the boss portion is attached and is formed with an exhaust hole that communicates the inside and outside. The casing cover includes a bushing that is provided on the casing cover and slides on the outer periphery of the boss, and a groove that is formed on the outer periphery of the boss and communicates between the back shroud of the impeller and the exhaust hole. A submersible pump characterized by:
JP5502282U 1982-04-16 1982-04-16 underwater pump Pending JPS58158191U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5502282U JPS58158191U (en) 1982-04-16 1982-04-16 underwater pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5502282U JPS58158191U (en) 1982-04-16 1982-04-16 underwater pump

Publications (1)

Publication Number Publication Date
JPS58158191U true JPS58158191U (en) 1983-10-21

Family

ID=30065628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5502282U Pending JPS58158191U (en) 1982-04-16 1982-04-16 underwater pump

Country Status (1)

Country Link
JP (1) JPS58158191U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000320485A (en) * 1999-05-07 2000-11-21 Tsurumi Mfg Co Ltd Circumference channel type underwater motor-driven pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52561A (en) * 1975-05-19 1977-01-05 Hitachi Ltd Make-up device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52561A (en) * 1975-05-19 1977-01-05 Hitachi Ltd Make-up device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000320485A (en) * 1999-05-07 2000-11-21 Tsurumi Mfg Co Ltd Circumference channel type underwater motor-driven pump

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