NL7700246A - AUTOMATIC RUNNING CENTRIFUGAL PUMP. - Google Patents

AUTOMATIC RUNNING CENTRIFUGAL PUMP.

Info

Publication number
NL7700246A
NL7700246A NL7700246A NL7700246A NL7700246A NL 7700246 A NL7700246 A NL 7700246A NL 7700246 A NL7700246 A NL 7700246A NL 7700246 A NL7700246 A NL 7700246A NL 7700246 A NL7700246 A NL 7700246A
Authority
NL
Netherlands
Prior art keywords
centrifugal pump
automatic running
running centrifugal
automatic
pump
Prior art date
Application number
NL7700246A
Other languages
Dutch (nl)
Other versions
NL180950B (en
NL180950C (en
Original Assignee
Le Materiel Telephonique Socie
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 Socie filed Critical Le Materiel Telephonique Socie
Publication of NL7700246A publication Critical patent/NL7700246A/en
Publication of NL180950B publication Critical patent/NL180950B/en
Application granted granted Critical
Publication of NL180950C publication Critical patent/NL180950C/en

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)
NLAANVRAGE7700246,A 1976-02-27 1977-01-12 AUTOMATICALLY STARTING CENTRIFUGAL PUMP, COMPOSED OF CELLS STACKED. NL180950C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7605510A FR2342416A1 (en) 1976-02-27 1976-02-27 SELF-PRIMING MULTICELLULAR CENTRIFUGAL PUMP

Publications (3)

Publication Number Publication Date
NL7700246A true NL7700246A (en) 1977-08-30
NL180950B NL180950B (en) 1986-12-16
NL180950C NL180950C (en) 1987-05-18

Family

ID=9169685

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7700246,A NL180950C (en) 1976-02-27 1977-01-12 AUTOMATICALLY STARTING CENTRIFUGAL PUMP, COMPOSED OF CELLS STACKED.

Country Status (10)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436898A1 (en) * 1978-09-22 1980-04-18 Materiel Telephonique AMBIVALENT CENTRIFUGAL PUMP
FR2484562A1 (en) * 1980-06-13 1981-12-18 Guinard Pompes Multi-stage pump with plastics outer casing - is mounted on pedestal with shaft overhanging at either end
JPS6213794A (en) * 1985-07-10 1987-01-22 Iwaki:Kk Self-priming pump
HU195286B (en) * 1986-02-03 1988-04-28 Femtechnika Szivattyu Es Anyag In-line formation of pump case for self-priming rotary pumps
DE3816280C2 (en) * 1988-05-12 1997-03-20 Klein Schanzlin & Becker Ag Housing part for centrifugal pumps
DE3818651A1 (en) * 1988-06-01 1989-12-07 Klein Schanzlin & Becker Ag HOUSING INLINE DESIGN
ES2115486B1 (en) * 1994-12-20 1999-02-16 Bogemar Sl MULTICELLULAR CENTRIFUGAL ELECTRIC PUMP.
FR2776342B1 (en) 1998-03-18 2001-04-20 Sarl Cg Promo Star CENTRIFUGAL PUMP WITH AUTOMATIC PRIMING
DE10029610C1 (en) * 2000-06-15 2001-12-13 Grundfos As Circulation pump drive shaft is fitted with counter-bearing ring at interface between 2 different shaft sections via plastic deformation
ITPD20010013A1 (en) * 2001-01-18 2002-07-18 Dab Pumps Spa FACILITATED SELF-PRIMING CENTRIFUGAL PUMP STRUCTURE.
US6684946B2 (en) * 2002-04-12 2004-02-03 Baker Hughes Incorporated Gas-lock re-prime device for submersible pumps and related methods
DE10239997A1 (en) * 2002-08-27 2004-03-04 Gardena Manufacturing Gmbh Electromagnetic pump has multiple turbine stages with output of last stage connected to discharge chamber of first stage
EP2505842B1 (en) 2011-03-29 2019-12-25 Grundfos Management a/s Multi stage centrifugal pump system
CN105756946B (en) * 2014-12-19 2019-05-31 格兰富控股联合股份公司 A kind of self priming pump
US11268516B2 (en) * 2018-11-19 2022-03-08 Baker Hughes Holdings Llc Gas-lock re-prime shaft passage in submersible well pump and method of re-priming the pump
CN117823415B (en) * 2024-03-04 2024-05-03 山东华立供水设备有限公司 Multistage centrifugal pump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE462232C (en) * 1928-07-06 Robert Pithan Water ring pump for venting the suction chamber of centrifugal pumps
FR2044994A5 (en) * 1969-05-29 1971-02-26 Guinard Pompes

Also Published As

Publication number Publication date
IT1076587B (en) 1985-04-27
LU76831A1 (en) 1977-07-11
DK146346C (en) 1984-02-27
BE851808A (en) 1977-06-16
DK84477A (en) 1977-08-28
ES456284A1 (en) 1978-01-16
NL180950B (en) 1986-12-16
DK146346B (en) 1983-09-12
DE2707776C2 (en) 1986-04-24
FR2342416A1 (en) 1977-09-23
GB1537221A (en) 1978-12-29
CH612476A5 (en) 1979-07-31
NL180950C (en) 1987-05-18
DE2707776A1 (en) 1977-09-01
FR2342416B1 (en) 1980-04-30

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Legal Events

Date Code Title Description
BV The patent application has lapsed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: POMPES SALMSON

CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: S.E.H. SOCIETE ELECTRO-HYDRAULIQUE - -

DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: POMPES SALMSON

V1 Lapsed because of non-payment of the annual fee