CN1011436B - 多级泵 - Google Patents

多级泵

Info

Publication number
CN1011436B
CN1011436B CN88107072A CN88107072A CN1011436B CN 1011436 B CN1011436 B CN 1011436B CN 88107072 A CN88107072 A CN 88107072A CN 88107072 A CN88107072 A CN 88107072A CN 1011436 B CN1011436 B CN 1011436B
Authority
CN
China
Prior art keywords
impeller
pump
shaft
disc
stator
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.)
Expired
Application number
CN88107072A
Other languages
English (en)
Chinese (zh)
Other versions
CN1033678A (zh
Inventor
吉原茂友
田辺正敏
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
Publication of CN1033678A publication Critical patent/CN1033678A/zh
Publication of CN1011436B publication Critical patent/CN1011436B/zh
Expired legal-status Critical Current

Links

Images

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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CN88107072A 1987-10-09 1988-10-09 多级泵 Expired CN1011436B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP253684/87 1987-10-09
JP62253684A JPH0633789B2 (ja) 1987-10-09 1987-10-09 多段ポンプ

Publications (2)

Publication Number Publication Date
CN1033678A CN1033678A (zh) 1989-07-05
CN1011436B true CN1011436B (zh) 1991-01-30

Family

ID=17254714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN88107072A Expired CN1011436B (zh) 1987-10-09 1988-10-09 多级泵

Country Status (3)

Country Link
JP (1) JPH0633789B2 (ko)
KR (1) KR890006980A (ko)
CN (1) CN1011436B (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9602079D0 (sv) * 1996-05-29 1996-05-29 Asea Brown Boveri Roterande elektriska maskiner med magnetkrets för hög spänning och ett förfarande för tillverkning av densamma
KR20020054382A (ko) * 2000-12-28 2002-07-08 이계안 다단의 워터펌프를 이용한 냉각장치
KR100424077B1 (ko) * 2001-10-26 2004-03-22 탁봉열 다단 압축용 블로워
DE102008005245A1 (de) * 2008-01-19 2009-07-23 Wilo Ag Befestigung des Laufrades einer Kreiselpumpe
JP5433335B2 (ja) * 2009-07-28 2014-03-05 株式会社川本製作所 ポンプ及びポンプ装置
DE102009029069A1 (de) * 2009-09-01 2011-03-03 Robert Bosch Gmbh Zweistufige Kreiselpumpe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174799U (ko) * 1981-04-28 1982-11-04
JPS61179396U (ko) * 1985-04-30 1986-11-08

Also Published As

Publication number Publication date
JPH0633789B2 (ja) 1994-05-02
CN1033678A (zh) 1989-07-05
KR890006980A (ko) 1989-06-17
JPH0196492A (ja) 1989-04-14

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Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C13 Decision
GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee