JPS57203898A - Internal pump - Google Patents

Internal pump

Info

Publication number
JPS57203898A
JPS57203898A JP8812081A JP8812081A JPS57203898A JP S57203898 A JPS57203898 A JP S57203898A JP 8812081 A JP8812081 A JP 8812081A JP 8812081 A JP8812081 A JP 8812081A JP S57203898 A JPS57203898 A JP S57203898A
Authority
JP
Japan
Prior art keywords
motor case
stretch tube
hollow space
purge water
case nozzle
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
JP8812081A
Other languages
English (en)
Other versions
JPS6411837B2 (ja
Inventor
Akihisa Okada
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 JP8812081A priority Critical patent/JPS57203898A/ja
Publication of JPS57203898A publication Critical patent/JPS57203898A/ja
Publication of JPS6411837B2 publication Critical patent/JPS6411837B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps
    • F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
JP8812081A 1981-06-10 1981-06-10 Internal pump Granted JPS57203898A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8812081A JPS57203898A (en) 1981-06-10 1981-06-10 Internal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8812081A JPS57203898A (en) 1981-06-10 1981-06-10 Internal pump

Publications (2)

Publication Number Publication Date
JPS57203898A true JPS57203898A (en) 1982-12-14
JPS6411837B2 JPS6411837B2 (ja) 1989-02-27

Family

ID=13934035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8812081A Granted JPS57203898A (en) 1981-06-10 1981-06-10 Internal pump

Country Status (1)

Country Link
JP (1) JPS57203898A (ja)

Also Published As

Publication number Publication date
JPS6411837B2 (ja) 1989-02-27

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