EP1719915B1 - In-line pumping unit - Google Patents

In-line pumping unit Download PDF

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Publication number
EP1719915B1
EP1719915B1 EP05009879A EP05009879A EP1719915B1 EP 1719915 B1 EP1719915 B1 EP 1719915B1 EP 05009879 A EP05009879 A EP 05009879A EP 05009879 A EP05009879 A EP 05009879A EP 1719915 B1 EP1719915 B1 EP 1719915B1
Authority
EP
European Patent Office
Prior art keywords
pumping unit
booster
electric pump
unit
headpiece
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.)
Active
Application number
EP05009879A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1719915A1 (en
Inventor
Franco Favella
Ivo Favella
Marco Favella
Luca Favella
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.)
Saer Elettropompe SpA
Original Assignee
Saer Elettropompe SpA
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 Saer Elettropompe SpA filed Critical Saer Elettropompe SpA
Priority to DE602005024769T priority Critical patent/DE602005024769D1/de
Priority to AT05009879T priority patent/ATE488698T1/de
Priority to ES05009879T priority patent/ES2355628T3/es
Priority to EP05009879A priority patent/EP1719915B1/en
Priority to CNB2006101054803A priority patent/CN100523521C/zh
Priority to TW095115861A priority patent/TWI367991B/zh
Priority to US11/418,252 priority patent/US20060251531A1/en
Priority to RU2006115530/06A priority patent/RU2403451C2/ru
Priority to JP2006129450A priority patent/JP2006312939A/ja
Publication of EP1719915A1 publication Critical patent/EP1719915A1/en
Priority to HK07104755.0A priority patent/HK1098524A1/xx
Application granted granted Critical
Publication of EP1719915B1 publication Critical patent/EP1719915B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/16—Pumping installations or systems with storage reservoirs

Definitions

  • the present invention relates to a pumping unit usable in liquid distribution systems, such as drinking water distribution systems, fire-fighting systems, garden or agricultural irrigation systems and vehicle wash systems.
  • Electric pumps of the aforesaid type are known having an intake port and a delivery port positioned coaxially one opposite the other (i.e. "in line"), hence these pumps can be inserted directly into a straight pipe without using elbow connectors.
  • Submerged electric pumps in which the motor does not require a cooling fan have also been known for some time. For this reason they are considerably less noisy than surface electric pumps, and do not require aeration or maintenance. However they have to be located in a sump or be kept immersed in the liquid to be pumped.
  • booster i.e. a pipe piece acting as a container for the liquid in which the pump has to be immersed.
  • the booster is vertical and needs a suitable bed.
  • the liquid inlet is directed horizontally and lies in the lower part of the booster, while the outlet is provided at its upper end and is directed vertically. In this case it is evidently not possible to mount the booster in line with the relative submerged pump.
  • DE2336909A discloses a pumping unit comprising a submerged pump contained in a vertical booster according to the preamble of claim 1.
  • the object of the present invention is to provide a pumping unit which is decidedly less noisy than conventional surface pumps, can be located in non-aerated rooms, does not require a bed or support, can be mounted "in-line", and virtually requires no maintenance.
  • the booster is disposed vertically, its lower end is conveniently shaped to be able to rest directly on any floor, hence eliminating the need for a specific bed or other support.
  • the booster can evidently be disposed horizontally if this is preferable. Such an arrangement would require a support only at that end of the booster opposite that in which the inlet and outlet ports are present.
  • the space between the two jackets can be filled with a sound-absorbent material.
  • the invention provides a pumping unit which can be mounted directly "in-line”, is extremely silent and, if the booster is vertical, is of minimum plan dimensions.
  • Known pumping units do not enable all these results to be obtained simultaneously.
  • the pumping unit 10 comprises a conventional submerged electric pump 12 ( Figure 3 ) positioned coaxially within a booster 14. This latter has an overall parallelepiped shape with a support foot 16 which closes its lower end.
  • the lateral wall of the booster comprises two jackets, of which the outer 18 is for example of anodized duralumin and the inner 20 is of stainless steel.
  • the interspace between the two jackets 18 and 20 can be filled with a conventional sound-absorbent material, although good silencing levels are already obtained even if the interspace is empty (i.e. containing air).
  • an anti-vibration ring 22 is fixed to the internal jacket 20 to retain the lower end of the electric pump 12, the rest of which is suspended by a connector 24 from a headpiece indicated overall by 26 and fixed by screws to a connector element 42, itself fixed by screws to the top of the booster 14.
  • the headpiece 26 comprises, in one piece therewith, both the inlet port 30 and the outlet port 28, with the relative connection channels.
  • the liquid entering from the inlet port 30 flows through the inlet channel portion 32 which deviates it downwards, so that the liquid flows between the outer lateral surface of the electric pump 12 and the inner lateral surface of the booster 14, reaching the lower end of the electric pump 12, to be then drawn through its intake port and leave through the said delivery connector 24, to flow through the outlet channel 34 which deviates the liquid in a horizontal direction until it leaves from the outlet port 28.
  • the inlet port 30 and the outlet port 28 are aligned on the same axis 36 and opposite to each other, forming (considering that the electric pump is vertical) a T-shaped path of the liquid. This enables the pumping unit 10 to be directly inserted into a pipe without having to provide connection bends.
  • the pumping unit 10 also comprises a control unit indicated overall by 44 located below the headpiece 26.
  • the control unit 44 comprises an electronic card 46 and a display 48, all enclosed in a casing 38 provided with a removable cover 50.
  • the casing 38 also contains an inverter 40 supported by the headpiece 26 and connected to a pressure transducer 41. This latter enables the delivery pressure to be measured and a signal to be fed to the inverter 40 to regulate the operation of the motor of the electric pump 12, this enabling electrical energy to be saved.
  • the unit 10 also comprises a level sensor 52 preventing the electric pump 12 from operating under dry conditions. From Figures 1-4 and from the preceding description it will be apparent that, in addition to the aforespecified advantages, the pumping unit 10 is very compact, is of very small overall plan dimensions, and presents a ""clean" appearance, and in any event a decidedly more acceptable appearance than known pumping units with the same type of use.
  • the pumping unit 10 can represent a modular unit with which the said pumping assembly shown in Figures 5 and 6 can be formed, and which in this specific example comprises five pumping units 10 and relative connectors 56 and 58, with the two headers 62 and 64.
  • This arrangement makes it possible to provide a pilot pumping unit and arrange that, if this latter develops a fault, another pumping unit of the assembly automatically takes over as the pilot.
  • the number of pumping units can obviously be different, according to specific requirements and design choices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Insulated Conductors (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Steroid Compounds (AREA)
EP05009879A 2005-05-06 2005-05-06 In-line pumping unit Active EP1719915B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
DE602005024769T DE602005024769D1 (de) 2005-05-06 2005-05-06 Inline-Pumpe
AT05009879T ATE488698T1 (de) 2005-05-06 2005-05-06 Inline-pumpe
ES05009879T ES2355628T3 (es) 2005-05-06 2005-05-06 Unidad de bombeo en línea.
EP05009879A EP1719915B1 (en) 2005-05-06 2005-05-06 In-line pumping unit
CNB2006101054803A CN100523521C (zh) 2005-05-06 2006-04-29 直线式泵装置
TW095115861A TWI367991B (en) 2005-05-06 2006-05-04 In-line pumping unit
US11/418,252 US20060251531A1 (en) 2005-05-06 2006-05-05 In-line pumping unit
RU2006115530/06A RU2403451C2 (ru) 2005-05-06 2006-05-05 Насосный агрегат, устанавливаемый по линии
JP2006129450A JP2006312939A (ja) 2005-05-06 2006-05-08 インライン型ポンプユニット
HK07104755.0A HK1098524A1 (en) 2005-05-06 2007-05-04 In-line pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05009879A EP1719915B1 (en) 2005-05-06 2005-05-06 In-line pumping unit

Publications (2)

Publication Number Publication Date
EP1719915A1 EP1719915A1 (en) 2006-11-08
EP1719915B1 true EP1719915B1 (en) 2010-11-17

Family

ID=34936200

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05009879A Active EP1719915B1 (en) 2005-05-06 2005-05-06 In-line pumping unit

Country Status (10)

Country Link
US (1) US20060251531A1 (xx)
EP (1) EP1719915B1 (xx)
JP (1) JP2006312939A (xx)
CN (1) CN100523521C (xx)
AT (1) ATE488698T1 (xx)
DE (1) DE602005024769D1 (xx)
ES (1) ES2355628T3 (xx)
HK (1) HK1098524A1 (xx)
RU (1) RU2403451C2 (xx)
TW (1) TWI367991B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8545194B2 (en) 2010-12-10 2013-10-01 Xylem Ip Holdings Llc Battery operated solar charged pump kit utilizing an inline submersible pump
CN103121503A (zh) * 2011-11-18 2013-05-29 镇江江大泵业科技有限公司 一种新型船用长轴泵防摆装置
US10385859B2 (en) * 2013-12-10 2019-08-20 Franklin Electric Company, Inc. In-line pressure boosting system and method
RU2726968C1 (ru) * 2016-12-30 2020-07-17 Грундфос Холдинг А/С Узел датчика и способ обнаружения повреждений в насосах и узел насоса, содержащий такой узел датчика
IT202000004879A1 (it) * 2020-03-09 2021-09-09 Dab Pumps Spa Elettropompa verticale a manutenzione facilitata
IT202100014816A1 (it) * 2021-06-08 2022-12-08 Piusi Spa Dispositivo per l'installazione di pompe sommergibili in serbatoi di stoccaggio di liquidi.
EP4386211A1 (en) * 2021-12-16 2024-06-19 Husqvarna AB A cover for a liquid reservoir

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2336909A1 (de) * 1973-07-20 1975-02-06 Loewe Pumpenfabrik Gmbh Druckerhoehungsanlage
DE3515547C1 (de) * 1985-04-30 1986-01-02 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Kreiselpumpenaggregat in Topfausführung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839006A (en) * 1956-07-12 1958-06-17 Kellogg M W Co Pumps for high vapor pressure liquids
US3672795A (en) * 1971-02-04 1972-06-27 Trw Inc Cable-suspended,linear-supported electric pump installation in well casing
US3746472A (en) * 1971-08-06 1973-07-17 Rupp Co Warren Submersible electric pump having fluid pressure protective means
BE806614A (fr) * 1973-10-26 1974-04-26 Acec Pompe en cuvelage
CH580756A5 (xx) * 1974-07-03 1976-10-15 Sulzer Ag
JPS52103002A (en) * 1976-02-25 1977-08-29 Ebara Corp Long-noise vertical pump
CN1012202B (zh) * 1988-02-06 1991-03-27 陆逢升 具有协同密封系统的全干式潜水电泵
US5443368A (en) * 1993-07-16 1995-08-22 Helix Technology Corporation Turbomolecular pump with valves and integrated electronic controls
US5262065A (en) * 1991-06-20 1993-11-16 Roy. F. Weston, Inc. Apparatus and method for decontaminating aquifers
EP0519176B1 (en) * 1991-06-21 1995-11-15 Fuji Electric Co., Ltd. Motor driven complex pump apparatus
GB9222475D0 (en) * 1992-10-24 1992-12-09 Mangar Aids Ltd Air pump apparatus
IT238360Y1 (it) * 1997-10-13 2000-10-16 Marinox Pompe Di Angoli Marghe Pompa con serbatoio d'accumulo
DE19855845A1 (de) * 1998-12-03 2000-06-08 Gep Umwelttechnik Gmbh Selbstansaugendes Motorpumpenaggregat
US6412563B1 (en) * 2000-04-21 2002-07-02 Baker Hughes Incorporated System and method for enhanced conditioning of well fluids circulating in and around artificial lift assemblies
US6615926B2 (en) * 2000-09-20 2003-09-09 Baker Hughes Incorporated Annular flow restrictor for electrical submersible pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2336909A1 (de) * 1973-07-20 1975-02-06 Loewe Pumpenfabrik Gmbh Druckerhoehungsanlage
DE3515547C1 (de) * 1985-04-30 1986-01-02 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Kreiselpumpenaggregat in Topfausführung

Also Published As

Publication number Publication date
TW200706762A (en) 2007-02-16
CN1877136A (zh) 2006-12-13
CN100523521C (zh) 2009-08-05
ATE488698T1 (de) 2010-12-15
RU2403451C2 (ru) 2010-11-10
ES2355628T3 (es) 2011-03-29
EP1719915A1 (en) 2006-11-08
HK1098524A1 (en) 2007-07-20
US20060251531A1 (en) 2006-11-09
TWI367991B (en) 2012-07-11
DE602005024769D1 (de) 2010-12-30
RU2006115530A (ru) 2007-11-10
JP2006312939A (ja) 2006-11-16

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