JPH0345425U - - Google Patents

Info

Publication number
JPH0345425U
JPH0345425U JP10536489U JP10536489U JPH0345425U JP H0345425 U JPH0345425 U JP H0345425U JP 10536489 U JP10536489 U JP 10536489U JP 10536489 U JP10536489 U JP 10536489U JP H0345425 U JPH0345425 U JP H0345425U
Authority
JP
Japan
Prior art keywords
impeller
mechanical seal
water pump
back side
ring attached
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
JP10536489U
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 JP10536489U priority Critical patent/JPH0345425U/ja
Publication of JPH0345425U publication Critical patent/JPH0345425U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Mechanical Sealing (AREA)

Description

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

第１図は本考案の実施例の縦断説明図、第２図
は第１図の右側面図、第３図は第２図における貫
通孔の軸線に沿つて切断した−線の断面図、
第４図は従来例を示す縦断説明図である。 １……主軸、２……羽根車、２１……ベーン、
２２……貫通孔、２３……案内羽根、３……ポン
プケーシング、３１……ブリーザ孔、３２……ド
レン孔、４……従動リング、５……シートリング
、６……圧縮バネ、７……シールゴム、８……受
け部材、９……座金、１０……軸受、１１……ハ
ブ。 FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, FIG. 2 is a right side view of FIG. 1, and FIG. 3 is a cross-sectional view taken along the - line of the through hole in FIG.
FIG. 4 is a longitudinal sectional view showing a conventional example. 1... Main shaft, 2... Impeller, 2 1 ... Vane,
2 2 ... through hole, 2 3 ... guide vane, 3 ... pump casing, 3 1 ... breather hole, 3 2 ... drain hole, 4 ... driven ring, 5 ... seat ring, 6 ... compression Spring, 7...Seal rubber, 8...Receiving member, 9...Washer, 10...Bearing, 11...Hub.

Claims (1)

【実用新案登録請求の範囲】 (1) 羽根車に取り付けられた従動リングとポン
プケーシングに取り付けられたシートリングとを
バネで押圧したメカニカルシールを備えたウオー
タポンプにおいて、前記羽根車の吸込側から裏側
にかけて、吸込側開口端が羽根車の回転方向に向
かい、裏側開口端が前記メカニカルシールに向か
うように貫通孔を穿設したことを特徴とするウオ
ーターポンプのメカニカルシール部の冷却装置。 (2) 前記羽根車の裏側に、案内羽根を設けたこ
とを特徴とする請求項１記載のウオーターポンプ
のメカニカルシール部の冷却装置。 (3) 羽根車に取り付けられた従動リングとポン
プケーシングに取り付けられたシートリングとを
バネで押圧したメカニカルシールを備えたウオー
ターポンプにおいて、前記羽根車の裏側に案内羽
根を設けたことを特徴とするウオーターポンプの
メカニカルシール部の冷却装置。[Claims for Utility Model Registration] (1) In a water pump equipped with a mechanical seal in which a driven ring attached to an impeller and a seat ring attached to a pump casing are pressed by a spring, from the suction side of the impeller. A cooling device for a mechanical seal portion of a water pump, characterized in that a through hole is formed on the back side so that the suction side open end faces the rotation direction of the impeller and the back side open end faces the mechanical seal. (2) The cooling device for a mechanical seal portion of a water pump according to claim 1, characterized in that a guide vane is provided on the back side of the impeller. (3) A water pump equipped with a mechanical seal in which a driven ring attached to the impeller and a seat ring attached to the pump casing are pressed by a spring, characterized in that a guide vane is provided on the back side of the impeller. A cooling device for the mechanical seal of a water pump.
JP10536489U 1989-09-11 1989-09-11 Pending JPH0345425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10536489U JPH0345425U (en) 1989-09-11 1989-09-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10536489U JPH0345425U (en) 1989-09-11 1989-09-11

Publications (1)

Publication Number Publication Date
JPH0345425U true JPH0345425U (en) 1991-04-26

Family

ID=31654125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10536489U Pending JPH0345425U (en) 1989-09-11 1989-09-11

Country Status (1)

Country Link
JP (1) JPH0345425U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006233808A (en) * 2005-02-23 2006-09-07 Asmo Co Ltd Fluid pump
JP2012097695A (en) * 2010-11-04 2012-05-24 Furukawa Industrial Machinery Systems Co Ltd Single suction volute pump
CN103062092A (en) * 2011-10-20 2013-04-24 株式会社山田制作所 Water pump
JPWO2013125269A1 (en) * 2012-02-20 2015-07-30 イーグル工業株式会社 Mechanical seal device
WO2016062416A1 (en) * 2014-10-23 2016-04-28 Sulzer Management Ag A method of pumping a liquid medium, a centrifugal pump and an impeller therefor
EP1717449B1 (en) * 2005-04-29 2018-06-20 Sulzer Management AG A centrifugal pump and an impeller thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6236286B2 (en) * 1980-10-01 1987-08-06 Matsushita Electric Ind Co Ltd
JPS6351197B2 (en) * 1980-06-02 1988-10-13 Matsushita Electronics Corp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6351197B2 (en) * 1980-06-02 1988-10-13 Matsushita Electronics Corp
JPS6236286B2 (en) * 1980-10-01 1987-08-06 Matsushita Electric Ind Co Ltd

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006233808A (en) * 2005-02-23 2006-09-07 Asmo Co Ltd Fluid pump
JP4505347B2 (en) * 2005-02-23 2010-07-21 アスモ株式会社 Fluid pump
EP1717449B1 (en) * 2005-04-29 2018-06-20 Sulzer Management AG A centrifugal pump and an impeller thereof
JP2012097695A (en) * 2010-11-04 2012-05-24 Furukawa Industrial Machinery Systems Co Ltd Single suction volute pump
CN103062092A (en) * 2011-10-20 2013-04-24 株式会社山田制作所 Water pump
CN103062092B (en) * 2011-10-20 2016-04-06 株式会社山田制作所 Water pump
JPWO2013125269A1 (en) * 2012-02-20 2015-07-30 イーグル工業株式会社 Mechanical seal device
WO2016062416A1 (en) * 2014-10-23 2016-04-28 Sulzer Management Ag A method of pumping a liquid medium, a centrifugal pump and an impeller therefor
RU2633211C1 (en) * 2014-10-23 2017-10-11 Зульцер Мэнэджмент Аг Method of pumping liquid medium, centrifugal pump and its working wheel
CN107567545A (en) * 2014-10-23 2018-01-09 苏尔寿管理有限公司 Method, centrifugal pump and its impeller of pumping of liquid medium

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