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EP3362687B1 - Pompes - Google Patents

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Publication number
EP3362687B1
EP3362687B1 EP16784706.0A EP16784706A EP3362687B1 EP 3362687 B1 EP3362687 B1 EP 3362687B1 EP 16784706 A EP16784706 A EP 16784706A EP 3362687 B1 EP3362687 B1 EP 3362687B1
Authority
EP
European Patent Office
Prior art keywords
pump
fan
blades
cover
stages
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
EP16784706.0A
Other languages
German (de)
English (en)
Other versions
EP3362687A1 (fr
Inventor
Dustin Borg
James HOHN
Shawn Blackburn
Mark Bauckman
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.)
Zodiac Pool Systems LLC
Original Assignee
Zodiac Pool Systems LLC
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 Zodiac Pool Systems LLC filed Critical Zodiac Pool Systems LLC
Publication of EP3362687A1 publication Critical patent/EP3362687A1/fr
Application granted granted Critical
Publication of EP3362687B1 publication Critical patent/EP3362687B1/fr
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
    • 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
    • E04H4/14—Parts, details or accessories not otherwise provided for
    • E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
    • E04H4/1654—Self-propelled cleaners
    • 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
    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/24—Vanes
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/5806—Cooling the drive system
    • 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
    • F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings

Definitions

  • This invention relates to pumps for moving fluid and particularly to pumps having fans configured to draw ambient air near axes of the fans so as to cool associated motor shaft bearings and optionally having also modular, multi-stage designs.
  • the pumps are especially useful as booster pumps for "pressure-side” automatic swimming pool cleaners (sometimes called “pressure-side APCs”) in liquid communication with outlets of the pumps through which pressurized water exits for return to swimming pools or spas.
  • pressure-side APCs automatic swimming pool cleaners
  • the present invention provides alternative pump designs. Including a particularized fan design as part of the pump may be beneficial in order to draw ambient air near the fan axis where it can cool the motor shaft bearing. This air is then pushed out radially between the fan plate and motor end cap and converges with the primary fan air to then exit the fan and cool the motor. As the primary fan air and the secondary fan air meet, they both travel in a similar direction out of the fan and over the motor. All the air moving in a similar direction reduces turbulent air flow and therefore reduces noise. Without a flow of secondary air behind the fan plate, primary air recirculation behind the fan can add noise to the system.
  • Pump stages with each stage including an impeller and a diffuser, additionally may be formed as modules.
  • Multistage pumps allow for very high water pressure to be generated, as every stage added to a pump boosts the water pressure.
  • increasing the number of its stages also adds more parts and complexity to a pump making service and repair more difficult.
  • servicing of the inventive pump requires managing only the four assemblies rather than twelve individual parts.
  • Pump 10 is denoted in FIG. 1 as having four stages, with such stages 14 further depicted in, e.g. , FIGS. 9-10 .
  • Pump 10 includes (liquid) inlet 18, (liquid) outlet 22 and, if desired, base 26.
  • Other conventional features of such a pump 10, such as a motor or drain plug 28, will be apparent to persons skilled in the relevant fields.
  • Handle 29 is configured to be grasped manually to facilitate movement of pump 10 as needed or desired.
  • handle 29 may be integrated into body 31 of the wet end of the pump 10.
  • Fan assembly 34 may comprise cover 38, whose face 42 is not solid so as to permit ambient air to enter interior 46 of the assembly 34 ( see FIG. 4 ). As illustrated especially in FIGS. 3-5 , positioned within interior 46 may be fan 50. Fan 50 is configured to rotate about motor shaft 54 ( see FIG. 10 ) or, conceivably, about an axis aligned with such a motor shaft and coupled thereto.
  • Cover 38 preferably is removable without needing access from the bottom side of the motor to any fasteners.
  • FIGS. 1-2 show a screw 47 present in a side 48 of cover 38. That screw 47, plus another screw on the opposed side of cover, and optionally plus clips, may function to removably connect cover 38 to other components of fan assembly 34. Screw 47 additionally may form part of ground bonding lug 49.
  • Fan 50 may, if desired, have a generally circular cross-section and define front 58 (oriented toward inlet 18), rear 62 (oriented toward cover 38), and periphery 64. Fan 50 additionally includes a central opening 66 for receiving motor shaft 54 or similar. These features are depicted at least in FIGS. 3 , 6, and 7 .
  • FIG. 6 illustrates seven blades 70 extending from rear 62, each having a first end 78 adjacent central opening 66 and a second end 82 adjacent (outer) periphery 64. More or fewer than seven blades 70 may be present, however, if appropriate or desired. Also illustrated are seven pass-through holes 74 from rear 62 to front 58, each disposed between adjacent blades 70 and generally near central opening 66. Again, however, more or fewer holes 74 may be present, although in some versions the numbers of blades 70 and holes 74 preferably are equal.
  • blades 83 Depicted in FIG. 7 as present on front 58 are blades 83. Like blades 70, blades 83 each have a first end 84 adjacent central opening 66 and a second end 85 adjacent periphery 64. Advantageously, blades 83 may have less depth than blades 70.
  • FIG. 5 Operation of a motor of pump 10 rotates motor shaft 54, in turn rotating fan 50.
  • fan 50 As fan 50 rotates, it draws ambient air through cover 38 into interior 46 of fan assembly 34.
  • Arrows A of FIG. 5 detail the flow direction of this air as it approaches face 42.
  • blades 70, together with holes 74 create two air-flow streams within assembly 34, a nominally "primary” stream 78 that does not pass through holes 74 and a "secondary" stream 82 that does pass through holes 74.
  • Drawing ambient air through fan 50 via holes 74 better cools the bearing for motor shaft 54 and helps reduce noisy air-recirculation areas that would otherwise exist between fan 50 and face 42. This latter advantage is particularly true when the drawn air is then forced out past the motor of pump 10 ( see arrows B of FIG. 5 ).
  • FIGS. 9-10 and 12 are modular stages 14 of pump 10.
  • the cut-away drawing of FIG. 9 illustrates four such stages 14 positioned adjacent each other (or "stacked," using terminology of the Stiles, Jr. application).
  • Each stage 14 may include at least an impeller 86 and a diffuser 90; like fan 50, stages 14 may be positioned so as to rotate about motor shaft 54 (or an axis aligned with and coupled thereto).
  • a stage 14 may comprise three parts--two (90A and 90B) clipping or otherwise connecting together to form diffuser 90 and the third being impeller 86 fitted between parts 90A and 90B.
  • the stage 14 closest to inlet 18 further may include an O-ring to enhance mechanical sealing there.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Glass Compositions (AREA)

Claims (9)

  1. Pompe (10) comprenant :
    a. un corps d'extrémité humide (31) définissant (i) une entrée de liquide (18) et (ii) une sortie de liquide (22) ;
    b. un arbre moteur rotatif (54) ; et
    c. un ventilateur (50) comprenant :
    i. une ouverture centrale (66) configurée pour recevoir l'arbre moteur rotatif (54) ;
    ii. un avant (58) ;
    iii. un arrière (62) ;
    iv. une périphérie extérieure (64) ;
    v. une première pluralité de pales (70) s'étendant depuis l'arrière (62), chaque pale de la première pluralité de pales (70) définissant une première extrémité (78) adjacente à l'ouverture centrale (66) et une deuxième extrémité (82) adjacente à la périphérie extérieure (64) ;
    vi. une deuxième pluralité de pales (83) s'étendant depuis l'avant (58) ; et
    vii. une pluralité de trous traversants (74) allant de l'arrière (62) à l'avant (58),
    dans laquelle
    chaque pale de la deuxième pluralité de pales (83) définit une première extrémité (84) adjacente à l'ouverture centrale (66) et une deuxième extrémité (85) adjacente à la périphérie extérieure (64).
  2. Pompe (10) selon la revendication 1, dans laquelle chaque pale de la première pluralité de pales (70) a une première profondeur et chaque pale de la deuxième pluralité de pales (83) a une profondeur inférieure à la première profondeur.
  3. Pompe (10) selon la revendication 1, comprenant en outre un ensemble ventilateur (34) comprenant :
    a. un couvercle (38) ayant une face non solide (42) ; et
    b. un intérieur (46) dans lequel le ventilateur (50) est positionné.
  4. Pompe (10) selon la revendication 3, dans laquelle l'intérieur (46) est configuré de sorte que l'air qui y entre par le couvercle (38) sorte à la fois (a) par la pluralité de trous traversants (74) du ventilateur (50) et (b) autour de la périphérie extérieure (64) du ventilateur (50).
  5. Pompe (10) selon la revendication 3, comprenant en outre une base (26) et dans laquelle le couvercle (38) est amovible de manière à exposer l'intérieur (46) sans avoir besoin d'accéder, depuis une face inférieure d'un moteur dont l'arbre moteur rotatif (54) fait partie, à des fixations quelconques.
  6. Pompe (10) selon la revendication 3, comprenant en outre une vis (47) (a) reçue par le couvercle (38) et (b) faisant partie d'une cosse de mise à la terre (49).
  7. Pompe (10) selon la revendication 1, comprenant en outre une pluralité d'étages (14) positionnés à l'intérieur du corps d'extrémité humide (31), chacun de la pluralité d'étages comportant un diffuseur et une roue.
  8. Pompe selon la revendication 1, comprenant en outre une poignée (29) intégrée dans le corps d'extrémité humide (31).
  9. Pompe de surpression selon la revendication 1 pour un nettoyeur automatique de piscine à pression, le corps d'extrémité humide étant configuré pour fournir de l'eau sous pression au nettoyeur automatique de piscine et l'arbre moteur rotatif définissant un axe, la pompe de surpression comprenant :
    a. un ensemble ventilateur comprenant :
    i. un couvercle ayant une face non solide ; et
    ii. un intérieur (A) dans lequel le ventilateur est positionné et (B) configuré de sorte que l'air qui y entre par le couvercle sorte à la fois (1) par la pluralité de trous traversants du ventilateur et (2) autour de la périphérie extérieure du ventilateur ; et
    b. une pluralité d'étages positionnés à l'intérieur du corps d'extrémité humide, chacun de la pluralité d'étages :
    i. définissant un module qui peut être retiré séparément du corps d'extrémité humide ; et
    ii. comprenant (A) une roue et (B) un diffuseur en deux parties, chaque roue (1) étant configurée pour tourner autour de l'axe et (2) s'ajustant entre les parties du diffuseur en deux parties.
EP16784706.0A 2015-10-13 2016-10-11 Pompes Active EP3362687B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562240983P 2015-10-13 2015-10-13
PCT/US2016/056377 WO2017066165A1 (fr) 2015-10-13 2016-10-11 Pompes

Publications (2)

Publication Number Publication Date
EP3362687A1 EP3362687A1 (fr) 2018-08-22
EP3362687B1 true EP3362687B1 (fr) 2022-12-07

Family

ID=57184861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16784706.0A Active EP3362687B1 (fr) 2015-10-13 2016-10-11 Pompes

Country Status (5)

Country Link
US (1) US20170101992A1 (fr)
EP (1) EP3362687B1 (fr)
AU (1) AU2016338775B2 (fr)
ES (1) ES2935827T3 (fr)
WO (1) WO2017066165A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018101717U1 (de) * 2018-03-28 2019-07-01 Speck Pumpen Verkaufsgesellschaft Gmbh Umwälzpumpe mit Motorlüfter
JP2020094496A (ja) * 2018-12-10 2020-06-18 愛三工業株式会社 遠心ポンプ
US11959494B2 (en) * 2020-11-04 2024-04-16 Gecko Alliance Group Inc. Water-cooled pump assembly for bathing unit system and pump assembly for bathing unit system with mounting brackets
USD1100985S1 (en) * 2025-01-14 2025-11-04 Hai Zhong Pool pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6003199A (en) * 1998-03-10 1999-12-21 The Toro Company Air concentrator nozzle for portable blower

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6183208B1 (en) * 1997-10-03 2001-02-06 Roper Holdings, Inc. Immersible motor system
US6514052B2 (en) * 2001-03-30 2003-02-04 Emerson Electric Co. Two sided radial fan for motor cooling
US7118354B2 (en) * 2001-12-15 2006-10-10 Fe Petro, Inc. System and method for improving petroleum dispensing station dispensing flow rates and dispensing capacity
US20070140842A1 (en) * 2005-11-23 2007-06-21 Hill Charles C High efficiency fluid movers
US20090136363A1 (en) * 2007-10-23 2009-05-28 Stiles Jr Robert W Multi-Stage Submersible Pump
US8297920B2 (en) * 2008-11-13 2012-10-30 Hayward Industries, Inc. Booster pump system for pool applications
US8328540B2 (en) * 2010-03-04 2012-12-11 Li-Chuan Wang Structural improvement of submersible cooling pump
US9716420B2 (en) * 2012-08-28 2017-07-25 Regal Beloit America, Inc. Fan and electric machine assembly and methods therefor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6003199A (en) * 1998-03-10 1999-12-21 The Toro Company Air concentrator nozzle for portable blower

Also Published As

Publication number Publication date
AU2016338775B2 (en) 2020-08-27
EP3362687A1 (fr) 2018-08-22
WO2017066165A1 (fr) 2017-04-20
ES2935827T3 (es) 2023-03-10
US20170101992A1 (en) 2017-04-13
AU2016338775A1 (en) 2018-05-10

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