JPH02107792U - - Google Patents

Info

Publication number
JPH02107792U
JPH02107792U JP1459489U JP1459489U JPH02107792U JP H02107792 U JPH02107792 U JP H02107792U JP 1459489 U JP1459489 U JP 1459489U JP 1459489 U JP1459489 U JP 1459489U JP H02107792 U JPH02107792 U JP H02107792U
Authority
JP
Japan
Prior art keywords
bearing
rotor
impeller
leak
pressure area
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
JP1459489U
Other languages
Japanese (ja)
Other versions
JPH0631198Y2 (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 JP1989014594U priority Critical patent/JPH0631198Y2/en
Publication of JPH02107792U publication Critical patent/JPH02107792U/ja
Application granted granted Critical
Publication of JPH0631198Y2 publication Critical patent/JPH0631198Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

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

第１図は本発案の一実施例を示す軸受装置を備
えたマグネツト駆動ポンプの縦断面図、第２図は
第１図の要部拡大断面図、第３図は従来例を示す
縦断面図である。 １…ポンプケーシング、２…羽根車、３…従動
磁石輪、６…駆動磁石輪、７…キヤン、８…ヨー
ク、９…電動機、１３…ブラケツト、１４…ケー
シングカバー、１４ａ…開口、２２…裏羽根、２
５…玉軸受。 Fig. 1 is a longitudinal sectional view of a magnetic drive pump equipped with a bearing device showing an embodiment of the present invention, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, and Fig. 3 is a longitudinal sectional view showing a conventional example. It is. DESCRIPTION OF SYMBOLS 1... Pump casing, 2... Impeller, 3... Driven magnet ring, 6... Driving magnet ring, 7... Can, 8... Yoke, 9... Electric motor, 13... Bracket, 14... Casing cover, 14a... Opening, 22... Back feather, 2
5...Ball bearing.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ロータをラジアル軸受及びスラスト軸受により
回転自在に支持し、液体の一部を、回転するロー
タの羽根車外周の高圧部から、該ロータを囲むケ
ーシングとの間に形成された低圧部へ流すように
し、該流体により軸受を潤滑及び冷却を行ない且
つ上記羽根車によつて液体を吸引、圧送する無漏
洩ポンプにおいて、上記軸受に玉軸受又は円筒こ
ろを設けると共に、上記羽根車に裏羽根を設け、
該裏羽根による差圧発生機能により上記軸受部を
強制循環させるようにしたことを特徴とする無漏
洩ポンプの軸受装置。 The rotor is rotatably supported by a radial bearing and a thrust bearing, and a portion of the liquid is caused to flow from a high pressure area around the outer periphery of the impeller of the rotating rotor to a low pressure area formed between the rotor and the casing surrounding the rotor. , in a leak-free pump that lubricates and cools a bearing with the fluid and sucks and pumps liquid with the impeller, the bearing is provided with a ball bearing or a cylindrical roller, and the impeller is provided with a back blade,
A bearing device for a leak-free pump, characterized in that the bearing section is forced to circulate through a differential pressure generating function by the back blade.
JP1989014594U 1989-02-13 1989-02-13 Bearing device for leak-free pump Expired - Lifetime JPH0631198Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989014594U JPH0631198Y2 (en) 1989-02-13 1989-02-13 Bearing device for leak-free pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989014594U JPH0631198Y2 (en) 1989-02-13 1989-02-13 Bearing device for leak-free pump

Publications (2)

Publication Number Publication Date
JPH02107792U true JPH02107792U (en) 1990-08-28
JPH0631198Y2 JPH0631198Y2 (en) 1994-08-22

Family

ID=31225933

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989014594U Expired - Lifetime JPH0631198Y2 (en) 1989-02-13 1989-02-13 Bearing device for leak-free pump

Country Status (1)

Country Link
JP (1) JPH0631198Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011052639A (en) * 2009-09-03 2011-03-17 Teikoku Electric Mfg Co Ltd Fluid dispersion pump

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3970260B2 (en) 2004-04-23 2007-09-05 三菱重工業株式会社 pump

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148298U (en) * 1982-03-31 1983-10-05 アイシン精機株式会社 water pump rotor
JPS5991496U (en) * 1982-12-14 1984-06-21 松下電器産業株式会社 pump
JPS63243496A (en) * 1987-03-30 1988-10-11 Nippon Seiko Kk Electric motor driven fan

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148298U (en) * 1982-03-31 1983-10-05 アイシン精機株式会社 water pump rotor
JPS5991496U (en) * 1982-12-14 1984-06-21 松下電器産業株式会社 pump
JPS63243496A (en) * 1987-03-30 1988-10-11 Nippon Seiko Kk Electric motor driven fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011052639A (en) * 2009-09-03 2011-03-17 Teikoku Electric Mfg Co Ltd Fluid dispersion pump

Also Published As

Publication number Publication date
JPH0631198Y2 (en) 1994-08-22

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