GB1537221A - Centrifugal pumps - Google Patents

Centrifugal pumps

Info

Publication number
GB1537221A
GB1537221A GB8186/77A GB818677A GB1537221A GB 1537221 A GB1537221 A GB 1537221A GB 8186/77 A GB8186/77 A GB 8186/77A GB 818677 A GB818677 A GB 818677A GB 1537221 A GB1537221 A GB 1537221A
Authority
GB
United Kingdom
Prior art keywords
chambers
eye
priming
plate
inlet
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
GB8186/77A
Other languages
English (en)
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Publication of GB1537221A publication Critical patent/GB1537221A/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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing type
    • F04D1/066—Multi-stage pumps of the vertically split casing type the casing consisting of a plurality of annuli bolted together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/004—Priming of not self-priming pumps
    • F04D9/005—Priming of not self-priming pumps by adducting or recycling liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB8186/77A 1976-02-27 1977-02-25 Centrifugal pumps Expired GB1537221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7605510A FR2342416A1 (fr) 1976-02-27 1976-02-27 Pompe centrifuge multicellulaire auto-amorcante

Publications (1)

Publication Number Publication Date
GB1537221A true GB1537221A (en) 1978-12-29

Family

ID=9169685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8186/77A Expired GB1537221A (en) 1976-02-27 1977-02-25 Centrifugal pumps

Country Status (10)

Country Link
BE (1) BE851808A (OSRAM)
CH (1) CH612476A5 (OSRAM)
DE (1) DE2707776C2 (OSRAM)
DK (1) DK146346C (OSRAM)
ES (1) ES456284A1 (OSRAM)
FR (1) FR2342416A1 (OSRAM)
GB (1) GB1537221A (OSRAM)
IT (1) IT1076587B (OSRAM)
LU (1) LU76831A1 (OSRAM)
NL (1) NL180950C (OSRAM)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179400A (en) * 1985-07-10 1987-03-04 Iwaki Co Ltd Self-priming pump
WO2002057635A3 (en) * 2001-01-18 2002-11-14 Dab Pumps Spa Centrifugal pump with facilitated self-priming
GB2390119A (en) * 2002-04-12 2003-12-31 Baker Hughes Inc Priming mechanism for a submersible pump
DE10239997A1 (de) * 2002-08-27 2004-03-04 Gardena Manufacturing Gmbh Pumpenanordnung
TWI612220B (zh) * 2014-12-19 2018-01-21 葛蘭富控股聯合股份公司 自吸泵
EP3884136A4 (en) * 2018-11-19 2022-08-17 Baker Hughes Holdings Llc GAS LOCK RE-PRIME SHAFT PASSAGE IN A SUBMERSIBLE HOLE PUMP AND METHOD OF RE-PRIMING THE PUMP
CN117823415A (zh) * 2024-03-04 2024-04-05 山东华立供水设备有限公司 一种多级离心泵

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436898A1 (fr) * 1978-09-22 1980-04-18 Materiel Telephonique Pompe centrifuge ambivalente
FR2484562A1 (fr) * 1980-06-13 1981-12-18 Guinard Pompes Pompe, dont l'hydraulique multicellulaire est montee en porte-a-faux sur le corps
HU195286B (en) * 1986-02-03 1988-04-28 Femtechnika Szivattyu Es Anyag In-line formation of pump case for self-priming rotary pumps
DE3816280C2 (de) * 1988-05-12 1997-03-20 Klein Schanzlin & Becker Ag Gehäuseteil für Kreiselpumpen
DE3818651A1 (de) * 1988-06-01 1989-12-07 Klein Schanzlin & Becker Ag Gehaeuse in inline-bauart
ES2115486B1 (es) * 1994-12-20 1999-02-16 Bogemar Sl Electrobomba centrifuga multicelular.
FR2776342B1 (fr) 1998-03-18 2001-04-20 Sarl Cg Promo Star Pompe centrifuge a amorcage automatique
DE10029610C1 (de) * 2000-06-15 2001-12-13 Grundfos As Antriebswelle für eine Kreiselpumpe
EP2505842B1 (de) 2011-03-29 2019-12-25 Grundfos Management a/s Mehrstufiges kreiselpumpenaggregat

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE462232C (de) * 1928-07-06 Robert Pithan Wasserringpumpe zur Entlueftung des Saugraums von Kreiselpumpen
FR2044994A5 (OSRAM) * 1969-05-29 1971-02-26 Guinard Pompes

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179400A (en) * 1985-07-10 1987-03-04 Iwaki Co Ltd Self-priming pump
WO2002057635A3 (en) * 2001-01-18 2002-11-14 Dab Pumps Spa Centrifugal pump with facilitated self-priming
US6837692B2 (en) 2001-01-18 2005-01-04 Dab Pumps S.P.A. Self-priming centrifugal pump with internal series of diffusers and impellers and laminar valve
KR100810588B1 (ko) 2001-01-18 2008-03-06 디에이비 펌프스 에스.피.에이. 촉진된 자동-프라이밍을 가진 원심 펌프
GB2390119A (en) * 2002-04-12 2003-12-31 Baker Hughes Inc Priming mechanism for a submersible pump
GB2390119B (en) * 2002-04-12 2005-08-31 Baker Hughes Inc Gas-lock re-prime device for submersible pumps
DE10239997A1 (de) * 2002-08-27 2004-03-04 Gardena Manufacturing Gmbh Pumpenanordnung
TWI612220B (zh) * 2014-12-19 2018-01-21 葛蘭富控股聯合股份公司 自吸泵
EP3884136A4 (en) * 2018-11-19 2022-08-17 Baker Hughes Holdings Llc GAS LOCK RE-PRIME SHAFT PASSAGE IN A SUBMERSIBLE HOLE PUMP AND METHOD OF RE-PRIMING THE PUMP
CN117823415A (zh) * 2024-03-04 2024-04-05 山东华立供水设备有限公司 一种多级离心泵
CN117823415B (zh) * 2024-03-04 2024-05-03 山东华立供水设备有限公司 一种多级离心泵

Also Published As

Publication number Publication date
NL180950B (nl) 1986-12-16
DK146346B (da) 1983-09-12
CH612476A5 (en) 1979-07-31
DK84477A (da) 1977-08-28
IT1076587B (it) 1985-04-27
DE2707776C2 (de) 1986-04-24
DK146346C (da) 1984-02-27
FR2342416B1 (OSRAM) 1980-04-30
DE2707776A1 (de) 1977-09-01
FR2342416A1 (fr) 1977-09-23
NL180950C (nl) 1987-05-18
BE851808A (fr) 1977-06-16
ES456284A1 (es) 1978-01-16
LU76831A1 (OSRAM) 1977-07-11
NL7700246A (nl) 1977-08-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee