EP1588055A1 - Electric motor pump for swimming pool maintenance - Google Patents
Electric motor pump for swimming pool maintenanceInfo
- Publication number
- EP1588055A1 EP1588055A1 EP03785995A EP03785995A EP1588055A1 EP 1588055 A1 EP1588055 A1 EP 1588055A1 EP 03785995 A EP03785995 A EP 03785995A EP 03785995 A EP03785995 A EP 03785995A EP 1588055 A1 EP1588055 A1 EP 1588055A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- low pressure
- wheel
- pumping
- pump according
- 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
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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
- E04H4/1209—Treatment of water for swimming pools
- E04H4/1245—Recirculating pumps for swimming pool water
-
- 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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
- F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
-
- 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
- F04D29/5806—Cooling the drive system
Definitions
- the present invention relates to a double electric pump intended for the maintenance of swimming pools.
- the invention relates to a double pump having a single electric motor, intended to play the role of two different pumps usually used for the maintenance of swimming pools.
- a double pump can be applied to different currents in the swimming pool, the invention is described in its application to the circulation of the filtration current and to the circulation of the supply current of a robot. of cleaning .
- the invention relates to a double pump with an electric motor, having a shaft, each end of which drives a respective pump.
- an electric motor pump for the maintenance of swimming pools comprises an electric motor having a drive shaft, the shaft having, at each of its axial ends, a shaft outlet, and two pumping wheels , each shaft output driving a respective pumping wheel, a first of the wheels operating at low pressure and high flow rate, and the second of the wheels operating at higher pressure and lower flow rate.
- the water pumped by the second pumping wheel is withdrawn near the outlet of the first pumping wheel and joins the inlet of the second wheel.
- the withdrawal location is in a low pressure pump body, upstream of the low pressure outlet.
- the pump is a two-stage output pump operating in parallel and partially in series, capable of giving the flow rates and pressures necessary for example for filtration and the operation of a cleaning robot, with excellent efficiency.
- the water pumped by the second pumping wheel, between the withdrawal location and the inlet to the second pumping wheel circulates around the motor to cool the latter.
- the circulation of the water pumped by the second pumping wheel takes place in a serpentine pipe which surrounds the motor.
- the circulation of the water pumped by the second pumping wheel takes place in a cylindrical space formed around the motor, between the latter and an external housing.
- the assembly formed by the motor, the housing, the two pumping wheels and the high pressure pump body is removably connected to the body of the low pressure pump.
- the removable connection between said assembly and the low pressure pump body is effected by bayonet engagement.
- the low pressure pump body is then advantageous for the low pressure pump body to be incorporated into a concrete block also containing a swimming pool water filtration device.
- the wheel operating at low pressure and high flow rate is intended for the filtration of the water of the basin, and the other wheel operating at higher pressure and lower flow rate is intended for a cleaning robot of swimming pool.
- FIG. 1 is a perspective view of a pump seen from the side of the water outlets;
- FIG. 2 is another perspective view of the pump from the side of the high pressure pumping wheel:
- FIG. 3 is a side elevational view in partial section of the pump of Figures 1 and 2;
- FIG. 4 is a perspective view of another embodiment of the double pump according to the invention.
- FIG. 5 is a section of the lower part of the pump shown in Figure 4; and FIG. 6 is a half-section of the pump of FIG. 4, by a plane different from the section plane of FIG. 5.
- a pump 1 comprises an electric motor 2 having a shaft, each end of which forms a shaft outlet 3 intended to drive a pumping wheel.
- a first wheel 4 provides pumping at low pressure and high flow rate, for the filtration circuit of the swimming pool, while at the other opposite end of the motor, the other shaft output drives a second pumping wheel 6 at medium or high pressure and at low flow rate, intended for controlling a swimming pool cleaning robot.
- the pool water enters through an axial mouth 11 and leaves the low pressure pump 4 via an outlet 12, towards the pool of the pool.
- the water intended for the pumping wheel 6 is drawn off near the outlet of the pumping wheel 4 at low pressure.
- the reference 7 designates a connection of a pipe 8 which feeds, via an inlet 9, the medium or high pressure pump whose outlet bears the reference 10.
- the pipe 8 surrounds the housing 13 of the motor by forming a coil arranged in intimate contact with this housing, for example by welding.
- the water flowing in the pipe 8 ensures efficient cooling of the electric motor placed in the housing 13. This characteristic is very advantageous since the electric motor is cooled optimally, without it being necessary to ventilate the room where is located the pump, efficiently and without energy consumption.
- a 1700 W electric motor supplied with alternating current at 220 V, drives a first pumping wheel 4 which gives a flow rate of 18 m 3 / h at a pressure of 1.3 bar, and a second wheel pump 6 which gives a flow rate of 2 m 3 / h at a pressure of 2.8 bar for the operation of the robot.
- the second pumping wheel 6 therefore raises the pressure of the water intended for the operation of the robot from 1.3 to 2.8 bar.
- FIGS 4 to 6 show another embodiment of the double pump according to the invention.
- This pump 14 sucks water through an inlet 15 and transmits it in the form of a current at low pressure and high flow rate.
- An output 17 transmits a current at high or medium pressure and low flow.
- the pump is driven by an electric motor 18 which comprises a stator 19 and a rotor 20.
- the stator comprises windings supplied with electric current, conventionally, not shown.
- the rotor 20 is integral with a shaft having two outlets or ends 21 and 22.
- the first pumping wheel at low pressure and high flow rate 23 is mounted on a first shaft outlet 21. As shown in FIG. 5, this wheel turns in a centrifugal pump body which opens out through outlet 16. Before this outlet 16, a hole 24 connects a location close to the outlet of this pump to an annular space 25 which communicates through holes 26 with a space 27 formed between an internal conduit 28, forming a motor support 18 placed inside, and a housing 29, concentric with the duct 28. The space 27 is therefore a cylindrical space formed all around the motor.
- the water at high or medium pressure and low flow rate is thus evacuated by the outlet 17.
- This pumping wheel 30 is mounted on the other end 22 of the shaft of the electric motor 18.
- the motor 18 is separated in leaktight manner from the two pumping wheels by lip seals 31.
- the electric motor 18 is thus sealed inside the space of the duct 28 .
- the stator 19 is pressed into the conduit 28, so that one heat exchange between the stator 19 and 1 • water flowing in the cylindrical space 27, through the conduit 28 metal, is excellent.
- Figures 4, 5 and 6 show another advantageous characteristic of the pump according to the invention, used for the maintenance of swimming pools.
- the assembly shown in FIG. 6 that is to say the motor, the housing, the two pumping wheels and the entire body of the high-pressure pump, forms an assembly which can be separate from the low pressure pump body.
- the assembly shown in the Figure 6 and the body of the low pressure pump cooperate by means of two seals 35, arranged substantially in the same plane and concentric with one another.
- the holding of the assembly shown in Figure 6, secured by bolts 32, is provided by tabs 33, integral with the removable assembly shown in Figure 6, inserted under fingers 34 protruding from the body of the low pump pressure.
- the low pressure pump body can be robustly connected to the pool filtration assembly and other elements, all of which is poured into concrete.
- the parts that may require maintenance, i.e. the assembly shown in Figure 6, can be easily separated from the low-pressure pump body which is then integrated into the concrete block containing the filtration system of the swimming pool.
- the invention allows a considerable reduction in the cost of installation.
- the engine undergoes excellent cooling, on the one hand it can operate with good efficiency in all conditions of use, and on the other hand the temperature of the rotating parts, bearings, seals and other wearing parts remains low, so that the service life of the pump is considerably extended.
- the volume required for installation is reduced.
- the motor drives a pump at each end, it can be easily balanced.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Thermal Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Multiple Motors (AREA)
- Massaging Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0213384A FR2846383B1 (en) | 2002-10-25 | 2002-10-25 | ELECTRIC PUMP FOR THE MAINTENANCE OF SWIMMING POOLS |
FR0213384 | 2002-10-25 | ||
PCT/FR2003/003171 WO2004040144A1 (en) | 2002-10-25 | 2003-10-24 | Electric motor pump for swimming pool maintenance |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1588055A1 true EP1588055A1 (en) | 2005-10-26 |
EP1588055B1 EP1588055B1 (en) | 2010-11-17 |
Family
ID=32088284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03785995A Expired - Lifetime EP1588055B1 (en) | 2002-10-25 | 2003-10-24 | Electric motor pump for swimming pool maintenance |
Country Status (9)
Country | Link |
---|---|
US (1) | US7828530B2 (en) |
EP (1) | EP1588055B1 (en) |
AT (1) | ATE488699T1 (en) |
AU (1) | AU2003295004A1 (en) |
CA (1) | CA2502838C (en) |
DE (1) | DE60335030D1 (en) |
ES (1) | ES2357829T3 (en) |
FR (1) | FR2846383B1 (en) |
WO (1) | WO2004040144A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105275829A (en) * | 2015-11-12 | 2016-01-27 | 浙江新控泵业有限公司 | Dual-body composite water pump |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7638741B2 (en) * | 2006-05-26 | 2009-12-29 | Emerson Electric Co. | Heat conductor for pump system |
DE102007045126A1 (en) * | 2007-09-20 | 2009-04-02 | Ksb Aktiengesellschaft | Main coolant pump |
FR2950941B1 (en) * | 2009-10-05 | 2011-12-09 | Arbatax | DOUBLE ELECTRIC PUMP FOR THE MAINTENANCE OF SWIMMING POOLS |
US10227986B2 (en) | 2013-12-12 | 2019-03-12 | General Electric Company | Pumping system for a wellbore and methods of assembling the same |
US9431725B2 (en) | 2013-12-13 | 2016-08-30 | Asia Connection LLC | Water bonding fixture |
US9714665B2 (en) | 2013-12-13 | 2017-07-25 | Asia Connection LLC | Pool pump with multiple outlets |
EP3171033A1 (en) * | 2015-11-19 | 2017-05-24 | Grundfos Holding A/S | Multistage centrifugal pump with casing opening for the maintenance of an axial thrust balancing piston |
DE102018219253A1 (en) * | 2018-11-12 | 2020-05-14 | KSB SE & Co. KGaA | Electric motor |
DE102020206493A1 (en) * | 2020-05-25 | 2021-11-25 | Hyundai Motor Company | Fuel pump for a liquid fuel injection system of a motor vehicle |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA584954A (en) * | 1954-07-01 | 1959-10-13 | Westinghouse Electric Corporation | Motor pump unit |
US3822754A (en) * | 1972-07-26 | 1974-07-09 | M Henkin | Automatic swimming pool cleaner |
US4616980A (en) * | 1983-12-06 | 1986-10-14 | Crane Co. | Canned motor pumps pressurized recirculation system |
US4678409A (en) * | 1984-11-22 | 1987-07-07 | Fuji Photo Film Co., Ltd. | Multiple magnetic pump system |
DE3729486C1 (en) * | 1987-09-03 | 1988-12-15 | Gutehoffnungshuette Man | Compressor unit |
US5049770A (en) * | 1990-03-26 | 1991-09-17 | General Motors Corporation | Electric motor-driven impeller-type air pump |
ES1019424Y (en) * | 1991-11-13 | 1992-10-16 | Doll, S.A. | PRE-FILTER FOR POOL FACILITIES. |
AU660816B2 (en) * | 1992-07-07 | 1995-07-06 | Sweepy International S.A. | Filter |
US5283915A (en) * | 1992-08-10 | 1994-02-08 | Softub, Inc. | Power package for spa apparatus |
FR2705384B1 (en) * | 1993-05-17 | 1997-01-24 | Desjoyaux Piscines | Pump for the circulation of water in a swimming pool. |
US5888053A (en) * | 1995-02-10 | 1999-03-30 | Ebara Corporation | Pump having first and second outer casing members |
US5581826A (en) * | 1995-03-31 | 1996-12-10 | Philip L. Leslie | Swimming pool skimmer with flow shift valve for pool cleaners |
US5933899A (en) * | 1996-10-31 | 1999-08-10 | Letro Products, Inc. | Low pressure automatic swimming pool cleaner |
GB9810587D0 (en) * | 1998-05-15 | 1998-07-15 | Cryostar France Sa | Pump |
GB2342301A (en) | 1998-10-08 | 2000-04-12 | Aplister Sa | A swimming pool filter |
FR2790501B1 (en) * | 1999-03-04 | 2001-06-22 | Aime Luporini | AQUATIC VACUUM WITH FILTER ELEMENT FOR CLEANING POOL POOLS |
-
2002
- 2002-10-25 FR FR0213384A patent/FR2846383B1/en not_active Expired - Fee Related
-
2003
- 2003-10-24 AT AT03785995T patent/ATE488699T1/en not_active IP Right Cessation
- 2003-10-24 WO PCT/FR2003/003171 patent/WO2004040144A1/en not_active Application Discontinuation
- 2003-10-24 DE DE60335030T patent/DE60335030D1/en not_active Expired - Lifetime
- 2003-10-24 AU AU2003295004A patent/AU2003295004A1/en not_active Abandoned
- 2003-10-24 ES ES03785995T patent/ES2357829T3/en not_active Expired - Lifetime
- 2003-10-24 US US10/532,653 patent/US7828530B2/en not_active Expired - Fee Related
- 2003-10-24 EP EP03785995A patent/EP1588055B1/en not_active Expired - Lifetime
- 2003-10-24 CA CA2502838A patent/CA2502838C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2004040144A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105275829A (en) * | 2015-11-12 | 2016-01-27 | 浙江新控泵业有限公司 | Dual-body composite water pump |
Also Published As
Publication number | Publication date |
---|---|
ES2357829T3 (en) | 2011-05-03 |
US20060104840A1 (en) | 2006-05-18 |
WO2004040144A1 (en) | 2004-05-13 |
AU2003295004A1 (en) | 2004-05-25 |
EP1588055B1 (en) | 2010-11-17 |
ATE488699T1 (en) | 2010-12-15 |
CA2502838C (en) | 2012-05-22 |
FR2846383B1 (en) | 2005-07-08 |
DE60335030D1 (en) | 2010-12-30 |
US7828530B2 (en) | 2010-11-09 |
CA2502838A1 (en) | 2004-05-13 |
FR2846383A1 (en) | 2004-04-30 |
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