DE3277927D1 - Centrifugal pump - Google Patents

Centrifugal pump

Info

Publication number
DE3277927D1
DE3277927D1 DE8282107809T DE3277927T DE3277927D1 DE 3277927 D1 DE3277927 D1 DE 3277927D1 DE 8282107809 T DE8282107809 T DE 8282107809T DE 3277927 T DE3277927 T DE 3277927T DE 3277927 D1 DE3277927 D1 DE 3277927D1
Authority
DE
Germany
Prior art keywords
centrifugal pump
centrifugal
pump
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
DE8282107809T
Other languages
German (de)
Inventor
Seiji Yanagisawa
Masao Yoshida
Hideki Shinotsuka
Tatsuya Ishigaki
Kinya Morioka
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16115152&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3277927(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3277927D1 publication Critical patent/DE3277927D1/en
Expired 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/428—Discharge tongues

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE8282107809T 1981-11-16 1982-08-25 Centrifugal pump Expired DE3277927D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56182261A JPS5885398A (en) 1981-11-16 1981-11-16 Spiral pump

Publications (1)

Publication Number Publication Date
DE3277927D1 true DE3277927D1 (en) 1988-02-11

Family

ID=16115152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282107809T Expired DE3277927D1 (en) 1981-11-16 1982-08-25 Centrifugal pump

Country Status (4)

Country Link
EP (1) EP0079433B1 (en)
JP (1) JPS5885398A (en)
KR (1) KR880001488B1 (en)
DE (1) DE3277927D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61147398U (en) * 1985-03-06 1986-09-11
GB2226364B (en) * 1988-12-24 1992-10-28 Skf Gmbh Liquid pump
IT222167Z2 (en) * 1990-10-02 1995-01-24 Zanussi Elettrodomestici DISHWASHER WITH CENTRIFUGAL CIRCULATION PUMP
JP4959424B2 (en) * 2007-05-31 2012-06-20 勇 青谷 Pump device
JP6671048B2 (en) * 2015-11-12 2020-03-25 パナソニックＩｐマネジメント株式会社 pump
KR101893847B1 (en) * 2016-11-11 2018-08-31 명화공업주식회사 Waterpump
KR102159625B1 (en) * 2020-01-20 2020-09-25 (주)신한펌프테크 Twin cap pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1460397A (en) * 1965-02-13 1966-11-25 Centrifugal pump with automatic setting operating on the principle of washing the rotor cells
JPS4513966Y1 (en) * 1967-06-24 1970-06-13

Also Published As

Publication number Publication date
JPS5885398A (en) 1983-05-21
KR840001306A (en) 1984-04-30
EP0079433A1 (en) 1983-05-25
EP0079433B1 (en) 1988-01-07
KR880001488B1 (en) 1988-08-13

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation