EP1574717A1 - Pump - Google Patents

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Publication number
EP1574717A1
EP1574717A1 EP05290481A EP05290481A EP1574717A1 EP 1574717 A1 EP1574717 A1 EP 1574717A1 EP 05290481 A EP05290481 A EP 05290481A EP 05290481 A EP05290481 A EP 05290481A EP 1574717 A1 EP1574717 A1 EP 1574717A1
Authority
EP
European Patent Office
Prior art keywords
pump
grooves
pumps
low
internal communication
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.)
Granted
Application number
EP05290481A
Other languages
German (de)
French (fr)
Other versions
EP1574717B1 (en
Inventor
Georges Magyar
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.)
Magyar SA
Original Assignee
Magyar SA
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 Magyar SA filed Critical Magyar SA
Priority to PL05290481T priority Critical patent/PL1574717T3/en
Publication of EP1574717A1 publication Critical patent/EP1574717A1/en
Application granted granted Critical
Publication of EP1574717B1 publication Critical patent/EP1574717B1/en
Active legal-status Critical Current
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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
    • F04D13/12—Combinations of two or more pumps

Definitions

  • the present invention relates to the field of cleaning pumps of liquids, eg food, as more especially milk.
  • Such pumps are known to the state of the art, in particular by German patents DE10043668 or DE20313360, or the patent application US2004 / 011647 or GB852580.
  • the purpose of the invention is to provide liquid pumps arrangements to prevent them from turning during the washing phases. It is thus possible to not have automation or special facilities, especially in the washing station, so as to allow the rotation of the pumps during washing.
  • the internal communication low and high is in the form of two throats of communication between said lateral grooves.
  • said internal communication is low and high connects the lateral grooves with the entry and the exit of liquid.
  • the invention particularly relates to pumps centrifugal, but the above arrangement may apply to any other type of pump adapted to this type of arrangement, like MGM35 pumps.
  • the invention also relates to the manufacture of pumps above consisting in arranging two lateral grooves on the front and rear faces of the pump body with a low and high internal communication between these two throats.
  • the invention further relates to a device comprising several pumps of the type described above.
  • the invention is particularly suitable for offering effective pump washing means in dairies, where both pumps and pipes and tanks must be cleaned after each use.
  • Figure 1 represents a general view of a system duplex pump comprising two pumps (100, 200), a centrifugal pump (100) and a pump (200).
  • the system includes a first circuit comprising a inlet duct (101) opening into the inlet nozzle (102) of the centrifugal pump (100).
  • the output of the pump (100) opens into a conduit (103) communicating with the main output (104) of the system, as well as with a conduit secondary (201) opening into the inlet of the pump (200).
  • the primary circuit has a non-return valve (105).
  • the output of this pump (200) is connected to the output the pumping system through a conduit (202).
  • the secondary circuit comprises a non-return valve (203).
  • the output (103, 104) of the main circuit comprises purge outlets controlled by purge valves (2, 4).
  • the secondary circuit also includes purge outputs controlled by faucets (1, 3, 5, 6).
  • the cleaning liquid for example consisting of hot water and soda
  • FIGs 2 and 3 show sectional views a centrifugal pump that can be used in the system shown in Figure 1.
  • This pump has two grooves lateral (7, 8) and low and high internal communication in the form of two communication grooves (9, 10) between said lateral grooves (7, 8).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The pump has two lateral grooves (7, 8) arranged on front and rear sides of a pump body. Upper and lower grooves (9, 10) allow the grooves (7, 8) to communicate between them, and connect the grooves (7, 8) with valves (1, 2). The valves are opened to permit entry and exit of cleaning liquid e.g. hot water, respectively during washing phase. An independent claim is also included for a device having a pump.

Description

La présente invention concerne le domaine du nettoyage de pompes de liquides, par exemple alimentaires, comme plus particulièrement du lait. De telles pompes sont connues de l'état de la technique, notamment par les brevets allemands DE10043668 ou DE20313360, ou encore la demande de brevet américain US2004/011647 ou le brevet anglais GB852580.The present invention relates to the field of cleaning pumps of liquids, eg food, as more especially milk. Such pumps are known to the state of the art, in particular by German patents DE10043668 or DE20313360, or the patent application US2004 / 011647 or GB852580.

L'invention a pour but de munir des pompes à liquide d'aménagements permettant d'éviter qu'elles ne tournent pendant les phases de lavage. Il est ainsi possible de ne pas avoir d'automatés ou d'installations spéciales, notamment en station de lavage, de façon à autoriser la rotation des pompes pendant le lavage.The purpose of the invention is to provide liquid pumps arrangements to prevent them from turning during the washing phases. It is thus possible to not have automation or special facilities, especially in the washing station, so as to allow the rotation of the pumps during washing.

Ce but est atteint grâce à une pompe comprenant deux gorges latérales sur les faces avant et arrière du corps de pompe avec une communication interne basse et haute entre ces deux gorges.This goal is achieved thanks to a pump comprising two side grooves on the front and back sides of the body of pump with low and high internal communication between these two throats.

Avantageusement, la communication interne basse et haute se présente sous la forme de deux gorges de communication entre lesdites gorges latérales.Advantageously, the internal communication low and high is in the form of two throats of communication between said lateral grooves.

De préférence, ladite communication interne basse et haute relie les gorges latérales avec l'entrée et la sortie de liquide.Preferably, said internal communication is low and high connects the lateral grooves with the entry and the exit of liquid.

L'invention concerne tout particulièrement des pompes centrifuges, mais l'aménagement ci-dessus peut s'appliquer à tout autre type de pompe adapté à ce type d'aménagement, comme des pompes MGM35.The invention particularly relates to pumps centrifugal, but the above arrangement may apply to any other type of pump adapted to this type of arrangement, like MGM35 pumps.

L'invention concerne aussi la fabrication des pompes ci-dessus consistant à aménager deux gorges latérales sur les faces avant et arrière du corps de pompe avec une communication interne basse et haute entre ces deux gorges. The invention also relates to the manufacture of pumps above consisting in arranging two lateral grooves on the front and rear faces of the pump body with a low and high internal communication between these two throats.

L'invention concerne encore un dispositif comprenant plusieurs pompes du type décrit ci-dessus.The invention further relates to a device comprising several pumps of the type described above.

L'invention est tout particulièrement adaptée à offrir un moyen de lavage des pompes efficace dans les laiteries, où tant les pompes que les tuyauteries et les cuves doivent être nettoyées après chaque utilisation.The invention is particularly suitable for offering effective pump washing means in dairies, where both pumps and pipes and tanks must be cleaned after each use.

D'autres avantages et caractéristiques de l'invention apparaítront des exemples ci-après où il sera fait référence aux dessins en annexe dans lesquels :

  • La figure 1 représente une vue générale d'un système de pompage duplex avec ses organes de lavage.
  • Les figures 2 et 3 représentent une vue en coupe d'une pompe munie de l'aménagement selon l'invention.
Other advantages and characteristics of the invention will become apparent from the examples below, where reference will be made to the appended drawings in which:
  • Figure 1 shows a general view of a duplex pumping system with its washing members.
  • Figures 2 and 3 show a sectional view of a pump provided with the arrangement according to the invention.

La figure 1 représente une vue générale d'un système de pompage duplex comprenant deux pompes (100, 200), une pompe centrifuge (100) et une pompe (200).Figure 1 represents a general view of a system duplex pump comprising two pumps (100, 200), a centrifugal pump (100) and a pump (200).

Le système comprend un premier circuit comprenant un conduit d'entrée (101) débouchant dans l'embout d'entrée (102) de la pompe centrifuge (100). La sortie de la pompe (100) débouche dans un conduit (103) communiquant avec la sortie principale (104) du système, ainsi qu'avec un conduit secondaire (201) débouchant dans l'entrée de la pompe (200).The system includes a first circuit comprising a inlet duct (101) opening into the inlet nozzle (102) of the centrifugal pump (100). The output of the pump (100) opens into a conduit (103) communicating with the main output (104) of the system, as well as with a conduit secondary (201) opening into the inlet of the pump (200).

Le circuit primaire comporte un clapet anti-retour (105).The primary circuit has a non-return valve (105).

La sortie de cette pompe (200) est reliée à la sortie du système de pompage par un conduit (202).The output of this pump (200) is connected to the output the pumping system through a conduit (202).

Le circuit secondaire comporte un clapet anti-retour (203). The secondary circuit comprises a non-return valve (203).

La sortie (103, 104) du circuit principal comprend des sorties de purge commandées par des robinets de purge (2, 4).The output (103, 104) of the main circuit comprises purge outlets controlled by purge valves (2, 4).

De même, le circuit secondaire comprend également des sorties de purge commandées par des robinets (1, 3, 5, 6).Similarly, the secondary circuit also includes purge outputs controlled by faucets (1, 3, 5, 6).

Pendant le pompage, on ferme les vannes (1, 2) ainsi que tous les robinets de purge (3, 4, 5, 6). Puis pendant le lavage, on ouvre les vannes (1, 2) de façon à permettre l'entrée et la sortie du liquide de nettoyage, par exemple constitué d'eau chaude et de soude, et on ferme tous les robinets de purges (3, 4, 5, 6). Après le lavage, on ouvre à nouveau tous les robinets de purge (3, 4, 5, 6).During pumping, the valves (1, 2) and than all purge valves (3, 4, 5, 6). Then during the washing, the valves (1, 2) are opened to allow the entry and exit of the cleaning liquid, for example consisting of hot water and soda, and we close all purge valves (3, 4, 5, 6). After washing, we open again all the purge valves (3, 4, 5, 6).

Les figures 2 et 3 représentent des vues en coupe d'une pompe centrifuge susceptible d'être mise en oeuvre dans le système de la figure 1. Cette pompe comprend deux gorges latérales (7, 8) et une communication interne basse et haute se présentant sous la forme de deux gorges de communication (9, 10) entre lesdites gorges latérales (7, 8).Figures 2 and 3 show sectional views a centrifugal pump that can be used in the system shown in Figure 1. This pump has two grooves lateral (7, 8) and low and high internal communication in the form of two communication grooves (9, 10) between said lateral grooves (7, 8).

Claims (5)

Système de pompage caractérisé en ce qu'il comprend deux pompes (100, 200), l'une des pompes présentant deux gorges latérales '(7, 8) sur les faces avant et arrière du corps de pompe avec une communication interne basse et haute entre ces deux gorges (7, 8).Pumping system characterized in that it comprises two pumps (100, 200), one of the pumps having two lateral grooves (7, 8) on the front and rear faces of the pump body with a low and high internal communication between these two throats (7, 8). Système de pompage selon la revendication 1, caractérisé en ce que la communication interne basse et haute se présente sous la forme de deux gorges de communication (9, 10) entre lesdites gorges latérales (7, 8).Pumping system according to claim 1, characterized in that the low and high internal communication is in the form of two communication grooves (9, 10) between said lateral grooves (7, 8). Système de pompage selon la revendication 1 ou 2, caractérisé en ce que la communication interne basse et haute relie les gorges latérales (7, 8) avec l'entrée et la sortie de liquide.Pumping system according to claim 1 or 2, characterized in that the low and high internal communication connects the lateral grooves (7, 8) with the inlet and the liquid outlet. Système de pompage selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il est de type centrifuge.Pumping system according to one of Claims 1 to 3, characterized in that it is of the centrifugal type. Un dispositif comprenant plusieurs pompes identiques ou différentes selon l'une quelconque des revendications 1 à 4.A device comprising several pumps identical or different according to any of Claims 1 to 4.
EP05290481.0A 2004-03-03 2005-03-03 Pump Active EP1574717B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05290481T PL1574717T3 (en) 2004-03-03 2005-03-03 Pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0402213 2004-03-03
FR0402213A FR2867236B1 (en) 2004-03-03 2004-03-03 FITTING OF PUMPS FOR THEIR CLEANING

Publications (2)

Publication Number Publication Date
EP1574717A1 true EP1574717A1 (en) 2005-09-14
EP1574717B1 EP1574717B1 (en) 2016-11-30

Family

ID=34814557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05290481.0A Active EP1574717B1 (en) 2004-03-03 2005-03-03 Pump

Country Status (8)

Country Link
EP (1) EP1574717B1 (en)
DK (1) DK1574717T3 (en)
ES (1) ES2615456T3 (en)
FR (1) FR2867236B1 (en)
HU (1) HUE033703T2 (en)
LT (1) LT1574717T (en)
PL (1) PL1574717T3 (en)
PT (1) PT1574717T (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11070109B2 (en) 2014-12-19 2021-07-20 Typhon Technology Solutions, Llc Mobile electric power generation for hydraulic fracturing of subsurface geological formations

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB852580A (en) 1957-04-04 1960-10-26 Melmoth William Hunter Magnetically activated pump
DE10043668A1 (en) 2000-09-02 2002-03-28 Oase Wuebker Gmbh & Co Kg Immersion pump for garden applications has pump housing acting as filter for intake of one pump element and provided with suction inlet connection for second pump element
DE20313360U1 (en) 2003-08-27 2003-11-06 Oase Wübker GmbH & Co. KG, 48477 Hörstel Pond pump with adjustable suction volume
US20040011647A1 (en) 1999-06-08 2004-01-22 Broadley Scott T. Reference electrode having a microfluidic flowing liquid junction
US20040022647A1 (en) * 2002-08-05 2004-02-05 Thompson Brett Franklin Centrifugal pumps with internal cooling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB852580A (en) 1957-04-04 1960-10-26 Melmoth William Hunter Magnetically activated pump
US20040011647A1 (en) 1999-06-08 2004-01-22 Broadley Scott T. Reference electrode having a microfluidic flowing liquid junction
DE10043668A1 (en) 2000-09-02 2002-03-28 Oase Wuebker Gmbh & Co Kg Immersion pump for garden applications has pump housing acting as filter for intake of one pump element and provided with suction inlet connection for second pump element
US20040022647A1 (en) * 2002-08-05 2004-02-05 Thompson Brett Franklin Centrifugal pumps with internal cooling
DE20313360U1 (en) 2003-08-27 2003-11-06 Oase Wübker GmbH & Co. KG, 48477 Hörstel Pond pump with adjustable suction volume

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11070109B2 (en) 2014-12-19 2021-07-20 Typhon Technology Solutions, Llc Mobile electric power generation for hydraulic fracturing of subsurface geological formations

Also Published As

Publication number Publication date
EP1574717B1 (en) 2016-11-30
DK1574717T3 (en) 2017-02-27
HUE033703T2 (en) 2017-12-28
ES2615456T3 (en) 2017-06-07
PL1574717T3 (en) 2017-07-31
PT1574717T (en) 2017-03-01
FR2867236B1 (en) 2009-02-27
FR2867236A1 (en) 2005-09-09
LT1574717T (en) 2017-05-25

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