EP0943810B1 - Submersible pump with optional mountable cooling jacket - Google Patents
Submersible pump with optional mountable cooling jacket Download PDFInfo
- Publication number
- EP0943810B1 EP0943810B1 EP99102276A EP99102276A EP0943810B1 EP 0943810 B1 EP0943810 B1 EP 0943810B1 EP 99102276 A EP99102276 A EP 99102276A EP 99102276 A EP99102276 A EP 99102276A EP 0943810 B1 EP0943810 B1 EP 0943810B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling jacket
- housing
- cooling
- centrifugal pump
- jacket
- 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 - Lifetime
Links
Images
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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially 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
- 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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
Definitions
- the invention relates to a from a centrifugal pump and a driving this Motor existing submersible pump unit, the centrifugal pump and the Motor enclosing housing an outlet connectable to a delivery line has.
- a double jacket cooling for a pump unit is, among other things, through the FR-A-2 199 356 known. It is not a submersible pump unit; the basic structure of a double jacket can be very good there recognize well. Above all, it can be seen that the structure common up to now is one Provided double jacket, the integral part of the unit housing and of this could not be separated easily.
- submersible pump units have either been with or without Double jacket cooling performed. This means that when you order a Submersible pump must be decided whether the unit with a equipped such double jacket cooling and thus be more versatile should, or whether the cheaper version without double jacket cooling for the expected applications will be sufficient. A subsequent change is not possible with it. So should it turn out later that a Double jacket cooling would be necessary, the operator of a unit is without such additional cooling forced another submersible pump unit to purchase. The manufacturer of submersible pump units, however, must Manufacture units with and without double jacket cooling in parallel and keep them in stock.
- the invention is based, so aggregates of the type mentioned to make it easy to convert from one to the other other form of cooling becomes possible.
- Cooling jacket through which the medium delivered by the centrifugal pump to one instead of the outlet on the housing to be connected to the delivery line arrives, the housing being provided with outer surfaces on which inner surfaces of the cooling jacket are brought to the system, and with the sealant between Seal the existing gaps in the housing and the cooling jacket.
- the submersible pump assembly according to the invention is based on a basic version simple jacket cooling, which can be done at any time by an easy to carry out Change, for example by putting a cooling jacket over one, can be converted with double jacket cooling. If necessary, the Cooling jacket still with a detachable connection, for example by screws attached to the housing enclosing the centrifugal pump and the motor.
- the housing enclosing the centrifugal pump and the motor of the basic version in an advantageous embodiment of the invention provided with an outlet opening in the case of an operation without a cooling jacket, one with a delivery line connecting connecting piece.
- cooling jacket is to be manufactured as a separate part opens the Possibility of its material, shape or color to predetermined conditions or to adapt to customer requirements.
- Fig. 1 The basic version shown in Fig. 1 consists of a centrifugal pump, a these driving motor (both are not shown as such) and one both enclosing housing 1, part 2 of the housing 1, the centrifugal pump and part 3 encloses the motor.
- the housing 1 consists of several parts that are only hinted at here. For the invention, the number of Individual parts and the type of connection between them are irrelevant.
- the submersible pump unit according to the invention is shown in FIG. 1 Version with simple jacket cooling is used, so at the outlet opening 4 of the housing 1 a nozzle 5 attached to the connection of the unit with a - not shown - conveyor line.
- the nozzle can remain in place or, if it is detachable, can also be removed.
- FIG. 2 shows an embodiment upgraded to double jacket cooling. This has come about by putting a cooling jacket 6 on.
- the cooling jacket 6 has inner surfaces that correspond to corresponding outer surfaces on parts 2 and 3 of the housing 1 can be pushed. Through several screw connections 7, the cooling jacket 6 is attached to the housing 1. With O-rings 8 and 9 is that between the housing 1 and the cooling jacket 6 Gap sealed, so that the medium pumped by the centrifugal pump the unit leaves only via a connector 10 provided on the cooling jacket 6.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Die Erfindung betrifft ein aus einer Kreiselpumpe und einem diese antreibenden Motor bestehendes Tauchmotorpumpenaggregat, dessen die Kreiselpumpe und den Motor umschließendes Gehäuse einen mit einer Förderleitung verbindbaren Auslaß besitzt.The invention relates to a from a centrifugal pump and a driving this Motor existing submersible pump unit, the centrifugal pump and the Motor enclosing housing an outlet connectable to a delivery line has.
Solche Aggregate werden zwar meist im untergetauchten Zustand betrieben, so daß die Kühlung ihres Motors durch die das Aggregat umgebende Flüssigkeit erfolgt. In vielen Einsatzfällen ist aber davon auszugehen, daß das Aggregat während einer längeren Betriebsphase so weit aus der Förderflüssigkeit ausgetaucht bleibt, daß der Motor im wesentlichen durch die Umgebungsluft gekühlt würde. Da dies aber meist nicht ausreichend ist, sieht man in solchen Fällen eine ständige Flüssigkeitskühlung vor, die dadurch erreicht wird, daß der Motor von einem zusätzlichen Mantel umschlossen wird, in welchem die von der Kreiselpumpe geförderte Flüssigkeit zum Auslaß des Aggregates geführt wird. Man spricht hier von einer Doppelmantelkühlung.Such units are usually operated in a submerged state, so that the cooling of your engine is done by the liquid surrounding the unit. In Many applications, however, can be assumed that the unit during one longer operating phase remains so far out of the liquid that the Engine would be cooled essentially by the ambient air. Since this is mostly insufficient liquid cooling is seen in such cases before, which is achieved in that the engine of an additional jacket is enclosed in which the liquid delivered by the centrifugal pump to Outlet of the unit is guided. One speaks of one here Double jacket cooling.
Eine Doppelmantelkühlung für ein Pumpenaggregat ist unter anderem durch die FR-A-2 199 356 bekannt. Es handelt sich dort zwar nicht um ein Tauchmotorpumpenaggregat; der grundsätzliche Aufbau eines Doppelmantels läßt sich dort aber sehr gut erkennen. Vor allem läßt sich erkennen, daß der bisher übliche Aufbau einen Doppelmantel vorsah, der integraler Bestandteil des Aggregatgehäuses und von diesem nicht ohne weiteres zu trennen war.A double jacket cooling for a pump unit is, among other things, through the FR-A-2 199 356 known. It is not a submersible pump unit; the basic structure of a double jacket can be very good there recognize well. Above all, it can be seen that the structure common up to now is one Provided double jacket, the integral part of the unit housing and of this could not be separated easily.
Nun werden Tauchmotorpumpenaggregate bis dato entweder mit oder ohne Doppelmantelkühlung ausgeführt. Dies bedeutet, daß bereits bei der Bestellung einer Tauchmotorpumpe darüber entschieden werden muß, ob das Aggregat mit einer solchen Doppelmantelkühlung ausgestattet und damit vielfältiger einsatzfähig sein soll, oder ob die preisgünstigere Ausführung ohne Doppelmantelkühlung für die zu erwartenden Einsatzfälle ausreichend sein wird. Eine nachträgliche Änderung ist damit nicht möglich. Sollte sich also erst später herausstellen, daß eine Doppelmantelkühlung notwendig wäre, so ist der Betreiber eines Aggregates ohne eine solche Zusatzkühlung gezwungen, ein weiteres Tauchmotorpumpenaggregat anzuschaffen. Der Hersteller von Tauchmotorpumpenaggregaten dagegen muß Aggregate mit und ohne Doppelmantelkühlung parallel fertigen und auf Lager halten.To date, submersible pump units have either been with or without Double jacket cooling performed. This means that when you order a Submersible pump must be decided whether the unit with a equipped such double jacket cooling and thus be more versatile should, or whether the cheaper version without double jacket cooling for the expected applications will be sufficient. A subsequent change is not possible with it. So should it turn out later that a Double jacket cooling would be necessary, the operator of a unit is without such additional cooling forced another submersible pump unit to purchase. The manufacturer of submersible pump units, however, must Manufacture units with and without double jacket cooling in parallel and keep them in stock.
Der Erfindung liegt die Aufgabe zugrunde, Aggregate der eingangs genannten Art so zu gestalten, daß eine leicht zu bewerkstelligende Umrüstung von der einen auf die andere Form der Kühlung möglich wird.The invention is based, so aggregates of the type mentioned to make it easy to convert from one to the other other form of cooling becomes possible.
Dies wird erfindungsgemäß erreicht durch einen wahlweise anbringbaren Kühlmantel, über den das von der Kreiselpumpe geförderte Medium zu einem anstelle des Auslasses am Gehäuse mit der Förderleitung zu verbindenden Auslaß gelangt, wobei das Gehäuse mit Außenflächen versehen ist, an denen Innenflächen des Kühlmantels zur Anlage zu bringen sind, und wobei Dichtmittel die zwischen dem Gehäuse und dem Kühlmantel vorhandenen Spalte verschließen.This is achieved according to the invention by an optionally attachable one Cooling jacket, through which the medium delivered by the centrifugal pump to one instead of the outlet on the housing to be connected to the delivery line arrives, the housing being provided with outer surfaces on which inner surfaces of the cooling jacket are brought to the system, and with the sealant between Seal the existing gaps in the housing and the cooling jacket.
Das erfindungsgemäße Tauchmotorpumpenaggregat geht von einer Basisversion mit einfacher Mantelkühlung aus, die jederzeit durch eine leicht vorzunehmende Änderung, beispielsweise durch das Überstülpen eines Kühlmantels, in eine solche mit Doppelmantelkühlung umgewandelt werden kann. Gegebenenfalls wird der Kühlmantel noch mit einer lösbaren Verbindung, beispielsweise durch Schrauben, an dem die Kreiselpumpe und den Motor umschließenden Gehäuse befestigt.The submersible pump assembly according to the invention is based on a basic version simple jacket cooling, which can be done at any time by an easy to carry out Change, for example by putting a cooling jacket over one, can be converted with double jacket cooling. If necessary, the Cooling jacket still with a detachable connection, for example by screws attached to the housing enclosing the centrifugal pump and the motor.
Das die Kreiselpumpe und den Motor der Basisversion umschließende Gehäuse wird in zweckmäßiger Ausgestaltung der Erfindung mit einer Auslaßöffnung versehen, die bei einem ohne Kühlmantel erfolgenden Einsatz einen mit einer Förderleitung zu verbindenden Stutzen erhält.The housing enclosing the centrifugal pump and the motor of the basic version in an advantageous embodiment of the invention provided with an outlet opening in the case of an operation without a cooling jacket, one with a delivery line connecting connecting piece.
Der Umstand, daß der Kühlmantel als separates Teil zu fertigen ist, eröffnet die Möglichkeit, dessen Material, Form oder Farbe an vorgegebene Bedingungen oder an Kundenwünsche anzupassen. The fact that the cooling jacket is to be manufactured as a separate part opens the Possibility of its material, shape or color to predetermined conditions or to adapt to customer requirements.
Anhand eines Ausführungsbeispiels wird die Erfindung näher erläutert. Die Zeichnung zeigt in
- Fig. 1
- eine Basisversion des erfindungsgemäßen Tauchmotorpumpenaggregates mit einer einfachen Mantelkühlung in schematischer Darstellung,
- Fig. 2
- eine um eine Doppelmantelkühlung erweiterte, auf der Version der Fig. 1 basierende Ausführung des erfindungsgemäßen Tauchmotorpumpenaggregates.
- Fig. 1
- a basic version of the submersible pump unit according to the invention with a simple jacket cooling in a schematic representation,
- Fig. 2
- an extended by a double jacket cooling, based on the version of FIG. 1 version of the submersible pump assembly according to the invention.
Die in der Fig. 1 dargestellte Basisversion besteht aus einer Kreiselpumpe, einem
diese antreibenden Motor (beide sind als solche nicht dargestellt) und einem beide
umschließenden Gehäuse 1, wobei der Teil 2 des Gehäuses 1 die Kreiselpumpe und
der Teil 3 den Motor umschließt. Das Gehäuse 1 besteht aus mehreren Teilen, die
hier nur andeutungsweise dargestellt sind. Für die Erfindung sind die Zahl der
Einzelteile und die Art der Verbindung zwischen ihnen aber unerheblich.The basic version shown in Fig. 1 consists of a centrifugal pump, a
these driving motor (both are not shown as such) and one both
enclosing
Wird das erfindungsgemäße Tauchmotorpumpenaggregat in der in Fig. 1 dargestellten
Version mit einfacher Mantelkühlung eingesetzt, so wird an der Auslaßöffnung 4
des Gehäuses 1 noch ein Stutzen 5 angebracht, der der Verbindung des Aggregates
mit einer - nicht dargestellten - Förderleitung dient. Bei einer späteren Aufrüstung
auf eine Doppelmantelkühlung kann der Stutzen an seinem Platz verbleiben oder,
falls er lösbar angeordnet ist, auch entfernt werden.The submersible pump unit according to the invention is shown in FIG. 1
Version with simple jacket cooling is used, so at the outlet opening 4
of the housing 1 a
Die Fig. 2 zeigt eine auf eine Doppelmantelkühlung aufgerüstete Ausführung. Diese
ist durch das Überstülpen eines Kühlmantels 6 zustandegekommen. Der Kühlmantel
6 besitzt Innenflächen, die auf entsprechende Außenflächen an den Teilen 2 und 3
des Gehäuses 1 aufgeschoben werden können. Durch mehrere schraubbare Verbindungen
7 wird der Kühlmantel 6 an dem Gehäuse 1 befestigt. Mit O-Ringen 8 und
9 wird jeweils der zwischen dem Gehäuse 1 und dem Kühlmantel 6 vorhandene
Spalt abgedichtet, so daß das von der Kreiselpumpe geförderte Medium das Aggregat
ausschließlich über einen an dem Kühlmantel 6 vorgesehenen Stutzen 10 verläßt.2 shows an embodiment upgraded to double jacket cooling. This
has come about by putting a
Claims (4)
- Submersible motor pump unit which comprises a centrifugal pump and a motor driving the latter, and whose housing (1) surrounding the centrifugal pump and the motor has an outlet (4) which can be connected to a feedline, characterized by a cooling jacket (6) which can be attached optionally and via which the medium fed by the centrifugal pump reaches an outlet (10) which is to be connected to the feedline instead of the outlet (4) on the housing (1), the housing (1) being provided with outer surfaces against which inner surfaces of the cooling jacket (6) are to be brought to bear, and being sealing means (8, 9) closing the gaps present between the housing (1) and the cooling jacket (6).
- Submersible motor pump unit according to Claim 1, characterized in that the cooling jacket (6) is adapted to prescribed conditions as regards its material, its shape or its colour.
- Submersible motor pump unit according to Claim 1, characterized in that the housing (1) surrounding the centrifugal pump and the motor is provided with an outlet opening which receives a socket (10) to be connected to a feedline only in the case of use without the cooling jacket (6).
- Submersible motor pump unit according to Claim 1, characterized in that the housing (1) surrounding the centrifugal pump and the motor, and the cooling jacket (6) are adapted to one another in such a way the cooling jacket (6) provided with the sealing means (8, 9) is to be merely clipped over the housing (1) and, if appropriate, fastened thereto.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19811677A DE19811677A1 (en) | 1998-03-18 | 1998-03-18 | Submersible pump with optional double jacket cooling |
| DE19811677 | 1998-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0943810A1 EP0943810A1 (en) | 1999-09-22 |
| EP0943810B1 true EP0943810B1 (en) | 2004-01-14 |
Family
ID=7861268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99102276A Expired - Lifetime EP0943810B1 (en) | 1998-03-18 | 1999-02-05 | Submersible pump with optional mountable cooling jacket |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0943810B1 (en) |
| AT (1) | ATE257913T1 (en) |
| DE (2) | DE19811677A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11808268B2 (en) | 2020-10-19 | 2023-11-07 | Milwaukee Electric Tool Corporation | Stick pump assembly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8840380B2 (en) | 2011-01-21 | 2014-09-23 | Toyota Motor Engineering & Manufacturing North America, Inc. | Temperature control ring for vehicle air pump |
| CN117588445B (en) * | 2024-01-19 | 2024-04-05 | 浙江浙能迈领环境科技有限公司 | Vortex type methanol circulating pump with high sealing performance |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR648614A (en) * | 1927-02-19 | 1928-12-12 | Siemens Ag | Electrically driven pump |
| DE2244275C3 (en) * | 1972-09-09 | 1975-09-04 | Frankl & Kirchner, Fabrik Fuer Elektromotoren U. Elektrische Apparate, 6830 Schwetzingen | Encapsulated collector motor for a pump unit |
| DE2552590A1 (en) * | 1975-11-24 | 1977-06-02 | Albert Blum | Electric motor-driven submersible pump unit - has closed cycle cooling system with diaphragm for motor |
| DE3609311A1 (en) * | 1986-03-20 | 1987-10-01 | Homa Pumpenfabrik Gmbh | Centrifugal pump |
| SE467752B (en) * | 1991-09-03 | 1992-09-07 | Flygt Ab Itt | DEVICE FOR ASTADCOMMATING BY COOLING A CHEATED CHEATED ELECTRICAL ENGINE |
| DE9408924U1 (en) * | 1994-06-01 | 1994-08-04 | Düchting Pumpen Maschinenfabrik GmbH & Co. KG, 58453 Witten | Pump unit immersed in a medium for pumping liquids |
| DE4430764A1 (en) * | 1994-08-30 | 1996-03-07 | Klein Schanzlin & Becker Ag | Cooling unit for submerged pump motor |
| SE504981C2 (en) * | 1995-11-16 | 1997-06-09 | Flygt Ab Itt | Device for mounting and holding together the parts of a submersible pump assembly |
| DE19640155A1 (en) * | 1996-09-28 | 1998-04-02 | Bernd Fiedler | Cooling device for submersible motor-driven pump |
-
1998
- 1998-03-18 DE DE19811677A patent/DE19811677A1/en not_active Withdrawn
-
1999
- 1999-02-05 EP EP99102276A patent/EP0943810B1/en not_active Expired - Lifetime
- 1999-02-05 AT AT99102276T patent/ATE257913T1/en active
- 1999-02-05 DE DE59908273T patent/DE59908273D1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11808268B2 (en) | 2020-10-19 | 2023-11-07 | Milwaukee Electric Tool Corporation | Stick pump assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59908273D1 (en) | 2004-02-19 |
| EP0943810A1 (en) | 1999-09-22 |
| ATE257913T1 (en) | 2004-01-15 |
| DE19811677A1 (en) | 1999-09-23 |
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