JPS54150703A - Underwater electric pump - Google Patents

Underwater electric pump

Info

Publication number
JPS54150703A
JPS54150703A JP5892678A JP5892678A JPS54150703A JP S54150703 A JPS54150703 A JP S54150703A JP 5892678 A JP5892678 A JP 5892678A JP 5892678 A JP5892678 A JP 5892678A JP S54150703 A JPS54150703 A JP S54150703A
Authority
JP
Japan
Prior art keywords
shaft sealing
outside
sealing element
shaft
penetrating
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
JP5892678A
Other languages
Japanese (ja)
Other versions
JPS6045758B2 (en
Inventor
Kengo Hasegawa
Tetsuya Sato
Kinpei Okano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5892678A priority Critical patent/JPS6045758B2/en
Publication of JPS54150703A publication Critical patent/JPS54150703A/en
Publication of JPS6045758B2 publication Critical patent/JPS6045758B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To provide a small and simple shaft sealing device by eliminating an oil tank for shaft sealing by installing a shaft sealing element to the intake side of a vane wheel so that high pressure is not applied on the outside of the shaft sealing element, thus preventing an outside liquid from penetrating to inside of an electric motor.
CONSTITUTION: A radial bearing metal 10 made of a sintered metal is attached to a through hole located on the center of a bottom end lid 9 which is integrated to the bottom end of a rotor 5. A stator shaft 4 passes the through hole. Number 11 is a mechanical seal used for sealing the clearence between the bearing metal 10 and the stator 4, and is located to the intake side of the vane wheel 19, therefore high pressure on the outside of the shaft sealing element 11 is avoided, thus preventing an outside liquid from penetrating to inside of an electric motor due to the pressure difference between the inside and the outside of the shaft sealing element, resulting elmination of an oil tank to be used for shaft sealing. Consequently, a shaft sealing device can be minimized and simplified.
COPYRIGHT: (C)1979,JPO&Japio
JP5892678A 1978-05-19 1978-05-19 submerged electric pump Expired JPS6045758B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5892678A JPS6045758B2 (en) 1978-05-19 1978-05-19 submerged electric pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5892678A JPS6045758B2 (en) 1978-05-19 1978-05-19 submerged electric pump

Publications (2)

Publication Number Publication Date
JPS54150703A true JPS54150703A (en) 1979-11-27
JPS6045758B2 JPS6045758B2 (en) 1985-10-11

Family

ID=13098425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5892678A Expired JPS6045758B2 (en) 1978-05-19 1978-05-19 submerged electric pump

Country Status (1)

Country Link
JP (1) JPS6045758B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022184445A1 (en) * 2021-03-05 2022-09-09 BSH Hausgeräte GmbH Water-conducting domestic appliance comprising a pump device with an external rotor motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022184445A1 (en) * 2021-03-05 2022-09-09 BSH Hausgeräte GmbH Water-conducting domestic appliance comprising a pump device with an external rotor motor

Also Published As

Publication number Publication date
JPS6045758B2 (en) 1985-10-11

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