US20170138076A1 - Modular Pump and Filter System and Method - Google Patents
Modular Pump and Filter System and Method Download PDFInfo
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- US20170138076A1 US20170138076A1 US15/419,746 US201715419746A US2017138076A1 US 20170138076 A1 US20170138076 A1 US 20170138076A1 US 201715419746 A US201715419746 A US 201715419746A US 2017138076 A1 US2017138076 A1 US 2017138076A1
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- Prior art keywords
- housing
- pump
- cavity
- inlet
- outlet
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims description 27
- 238000011045 prefiltration Methods 0.000 claims description 19
- 238000005086 pumping Methods 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 9
- 230000009182 swimming Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
- B01D29/54—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
- B01D29/908—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding provoking a tangential stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/26—Filters with built-in pumps filters provided with a pump mounted in or on the casing
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- 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
- E04H4/1272—Skimmers integrated in the pool wall
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
Definitions
- Conventional pool filtration systems include a filter in fluid communication with a pump.
- the filter is often housed in a separate filter housing downstream from the pump.
- the pump creates a pressure vessel in the filter housing by pushing water into the filter housing and through the filter.
- the pump's impeller is often subject to interaction with debris from the pool that bypasses relatively course openings of the pump's preliminary debris basket. The debris can cause damage to pump's components limiting the longevity of the pool filtration system.
- Some embodiments of the invention provide a pump and filter system including a housing with a housing inlet, a housing outlet, and a housing cavity, where the housing inlet is positioned above the housing outlet.
- the system also includes filtration media positioned inside the housing cavity and separating the housing inlet from the housing outlet, and a pump positioned at least partially inside the housing cavity.
- the pump includes a magnetic drive motor.
- Some embodiments of the invention provide a method for filtering fluid from an aquatic application.
- the method includes providing a housing with an inlet, an outlet, and a housing cavity.
- the method also includes splitting the housing cavity into a filtered region and an unfiltered region with filtration media, and positioning a pump in the filtered region of the housing cavity.
- the method further includes operating, the pump to pull the fluid from the aquatic application through the housing inlet into the unfiltered region, to pull the fluid across the filtration media into the filtered region via suction pressure of the pump, and to force the fluid through the pump to the housing outlet.
- FIG. 1 is a cross-sectional perspective view of a pump and filter system according to one embodiment of the invention.
- FIG. 2 is another cross-sectional view of the pump and filter system of FIG. 1 .
- FIG. 3 is an outer perspective view of the pump and filter system of FIG. 1 .
- FIG. 4 is a cross-sectional view of a pump for use with the pump and filter system o FIG. 1 .
- FIG. 5 is a cross-sectional view of a pump and filter system according to another embodiment of the invention.
- FIGS. 1-3 illustrate a pump and filter system 10 according to one embodiment of the invention.
- the system 10 can include a housing 12 , a filter cartridge 14 , and a pump 16 .
- the housing 12 can include a housing inlet 18 and a housing outlet 20 (as shown in FIG. 3 ), and the pump 16 can include a pump inlet 22 and a pump outlet 24 .
- the system 10 can be used with an aquatic application, for example as a filtration system for a swimming pool or spa.
- the housing inlet 18 can be in fluid communication with (e.g., directly or indirectly coupled to) a drain or skimmer of a swimming pool (not shown) and the housing outlet 20 can be in fluid communication with a supply inlet of the swimming pool.
- the swimming pool can be an above-ground or an in-ground swimming pool in some embodiments.
- the housing 12 can enclose the filter cartridge 14 and the pump 16 .
- the filter cartridge 14 can be substantially cylindrical and the pump 16 can, be located inside the filter cartridge 14 .
- the filter cartridge 14 can substantially separate the housing inlet 18 from the pump inlet 22 .
- the pump outlet 24 can be directly coupled to the housing outlet 20 .
- the housing inlet 18 can be located substantially above the housing outlet 20 .
- the volute 44 can include a spiral geometry to provide minimal flow resistance and optimal flow movement of fluid from the impeller 40 to the pump outlet 24 .
- a pump housing 46 which can at least partially form the pumping cavity 42 and the volute 44 , can be an integral part of the housing 12 .
- the pump housing 46 can include ribs 50 , for example to add structural strength to the pump housing 46 .
- the stator 34 , the rotor 36 , and the rotor shaft 38 can be at least partially housed within a motor cavity 48 , and the rotor shaft 38 can extend into the pumping cavity 42 so that it can be coupled to the impeller 40 .
- the pump 16 can include one or more seals to prevent fluid from leaking out of the pumping cavity 42 into the motor cavity 48 and contacting other components of the motor 32 (e.g., a “dry” rotor design). In this manner, the motor cavity 48 can remain substantially dry during operation of the pump 16 .
- the rotor 36 and the rotor shaft 38 can be positioned within the motor cavity 48 and can be in fluid communication with the pumping cavity 42 (e.g., a “wet” rotor design).
- the stator 34 can be positioned, outside the motor cavity 48 and can be sealed from the pumping cavity 42 .
- the motor cavity 48 can be located near a lower portion of the system 10 . As a result, the motor cavity 48 can be accessible through the underside of the system 10 for motor maintenance or replacement.
- the motor cavity 48 can be formed by a portion of the housing 12 .
- the pump 16 can be located in the filtered region 30 .
- the fluid flowing, through the pump 16 has already passed through the filter cartridge 14 and can be substantially filtered from debris which may cause damage to the impeller 40 or other components of the pump 16 .
- pump durability and pump life can be increased in comparison to pumps in conventional pressurized vessel filtration systems that pump unfiltered fluid.
- conventional pressurized vessel filtration systems include a debris basket that removes larger debris and particulate matter. These debris baskets can include mesh geometries in the centimeter range, allowing a substantial amount of particulate matter to reach the pump.
- the filter cartridge 14 of the system 10 can include filtration media with mesh geometries in the micron range in order to remove all particulate matter from the fluid before it reaches the pump 16 .
- the system 10 can include a pre-filter assembly 52 .
- the pre-filter assembly 52 can be located within the housing cavity 26 on top of the filter cartridge 14 .
- the housing inlet 18 can be located near a top portion of the housing 12 adjacent to the pre-filter assembly 52 so that fluid entering the housing cavity 26 can first enter a pre-filter region 54 of the pre-filter assembly 52 before reaching the unfiltered region 28 .
- the housing 12 can include a housing base 56 and the pre-filter assembly 52 , acting as a housing cover assembly, can substantially cover the housing base 56 .
- the housing outlet 20 can extend from the pump outlet 24 through the housing base 56 , and the housing inlet 18 can be integral with the pre-filter assembly 52 .
- the pre-filter assembly 52 can include a solid bottom plate 58 and a cylindrical pre-filter element 60 coupled to and extending upward from the solid bottom plate 58 .
- the solid bottom plate 58 can substantially cover the top of the filter cartridge 14 to enclose the filtered region 30 so that unfiltered fluid may only reach the filtered region 30 by passing through the filter cartridge 14 .
- the cylindrical pre-filter element 60 can substantially separate the housing inlet 18 and the pre-filter region 54 from the unfiltered region 28 and can include a mesh that allows fluid to pass from the pre-filter region 54 into the unfiltered region 28 and prevents large debris (e.g., leaves, rocks, etc.) from passing into the unfiltered region 28 . As a result, the large debris, which can be relatively heavy, can settle onto the solid bottom plate 58 .
- a housing cover 62 can be positioned over the pre-filter assembly 52 in order to enclose the pre-filter region 54 .
- the housing cover 62 can be removable so that the large debris captured in the pre-filter region 54 can be emptied out of the pre-filter assembly 52 .
- the system 10 can be compact in comparison to conventional filtration systems due to the pump 16 being positioned inside the filter cartridge 14 and both the pump 16 and the filter cartridge 14 being housed within the same housing cavity 26 .
- the system 10 can be modular to accommodate different sized aquatic applications. As shown in FIGS. 5-7 , the system 10 can accommodate larger aquatic applications by including a second filter cartridge 14 stacked on top of a first filter cartridge 14 .
- the pump system 10 can also include a housing insert 64 positioned between the housing base 56 and the pre-filter assembly 52 in order to increase the height of the housing 12 , and thus, increase the volume of the housing cavity 26 .
- the filter cartridge surface area of FIGS. 1-3 can provide a filter cartridge surface area of about 100 square feet or about 150 square feet (e.g., accommodating a pool between about 10,000 gallons and about 15,000 gallons), and the system 10 of FIGS. 5-7 can provide a filter cartridge surface area of about 200 square feet or about 300 square feet (e.g., accommodating a pool between about 15,000 gallons and about 20,000 gallons).
- the motor cavity 32 can be enclosed by a cover 66 .
- the system 10 can include different types of filter cartridges 14 , such as a sheet-type filter cartridge 14 , which substantially splits the housing cavity 26 into the unfiltered region 28 (i.e., adjacent to and in fluid communication with housing inlet 18 ) and the filtered region 30 (i.e., adjacent to and in fluid communication with the housing outlet 20 ).
- the pump 16 is positioned in the filtered region 30 in order to create a suction pressure in the filtered region 30 that causes fluid entering the system 10 in the unfiltered region 28 to flow across the filter cartridge 14 to the filtered region 30 .
- the system 10 can include a controller assembly 68 to receive user input, control the pump 16 , and/or display information and settings to a user.
- the controller assembly 68 can be located along the base 56 so that it is easily accessible by the user.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
A pump and filter system and method. The system includes a housing with a housing inlet, a housing outlet, and a housing cavity, where the housing inlet is positioned above the housing outlet. The system also includes filtration media positioned inside the housing cavity and separating the housing inlet from the housing outlet, and a pump positioned at least partially inside the housing cavity. The pump includes a magnetic drive motor.
Description
- This application is a continuation of U.S. patent application Ser. No. 13/327,588, filed on Dec. 15, 2011, which claims the benefit of U.S. Provisional Patent Application No. 61/425,596 filed on Dec. 21, 2010, the entire contents of which is incorporated herein by reference.
- Conventional pool filtration systems include a filter in fluid communication with a pump. The filter is often housed in a separate filter housing downstream from the pump. The pump creates a pressure vessel in the filter housing by pushing water into the filter housing and through the filter. The pump's impeller is often subject to interaction with debris from the pool that bypasses relatively course openings of the pump's preliminary debris basket. The debris can cause damage to pump's components limiting the longevity of the pool filtration system.
- Some embodiments of the invention provide a pump and filter system including a housing with a housing inlet, a housing outlet, and a housing cavity, where the housing inlet is positioned above the housing outlet. The system also includes filtration media positioned inside the housing cavity and separating the housing inlet from the housing outlet, and a pump positioned at least partially inside the housing cavity. The pump includes a magnetic drive motor.
- Some embodiments of the invention provide a method for filtering fluid from an aquatic application. The method includes providing a housing with an inlet, an outlet, and a housing cavity. The method also includes splitting the housing cavity into a filtered region and an unfiltered region with filtration media, and positioning a pump in the filtered region of the housing cavity. The method further includes operating, the pump to pull the fluid from the aquatic application through the housing inlet into the unfiltered region, to pull the fluid across the filtration media into the filtered region via suction pressure of the pump, and to force the fluid through the pump to the housing outlet.
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FIG. 1 is a cross-sectional perspective view of a pump and filter system according to one embodiment of the invention. -
FIG. 2 is another cross-sectional view of the pump and filter system ofFIG. 1 . -
FIG. 3 is an outer perspective view of the pump and filter system ofFIG. 1 . -
FIG. 4 is a cross-sectional view of a pump for use with the pump and filter system oFIG. 1 . -
FIG. 5 is a cross-sectional view of a pump and filter system according to another embodiment of the invention. -
FIG. 6 is another cross-sectional view of the pump and filter system ofFIG. 5 . -
FIG. 7 is a perspective view of the pump and filter system ofFIG. 5 . -
FIG. 8 is a cross-sectional view of a pump for use with the pump and filter system ofFIG. 5 . - Before any embodiments of the invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of “including,” “comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless specified or limited otherwise, the terms “mounted,” “connected,” “supported,” and “coupled” and variations thereof are used broadly and encompass both direct and indirect mountings, connections, supports, and couplings. Further, “connected” and “coupled” are not restricted to physical or mechanical connections or couplings.
- The following discussion is presented to enable a person skilled in the art to make and use embodiments of the invention. Various modifications to the illustrated embodiments will be readily apparent to those skilled in the art, and the generic principles herein can be applied to other embodiments and applications without departing from embodiments of the invention. Thus, embodiments of the invention are not intended to be limited to embodiments shown, but are to be accorded the widest scope consistent with the principles and features disclosed herein. The following detailed description is to be read with reference to the figures, in which like elements in different figures have like reference numerals. The figures, which are not necessarily to scale, depict selected embodiments and are not intended to limit the scope of embodiments of the invention. Skilled artisans will recognize the examples provided herein have many useful alternatives and fall within the scope of embodiments of the invention.
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FIGS. 1-3 illustrate a pump andfilter system 10 according to one embodiment of the invention. Thesystem 10 can include ahousing 12, afilter cartridge 14, and apump 16. Thehousing 12 can include ahousing inlet 18 and a housing outlet 20 (as shown inFIG. 3 ), and thepump 16 can include apump inlet 22 and apump outlet 24. In some embodiments, thesystem 10 can be used with an aquatic application, for example as a filtration system for a swimming pool or spa. In one embodiment, thehousing inlet 18 can be in fluid communication with (e.g., directly or indirectly coupled to) a drain or skimmer of a swimming pool (not shown) and thehousing outlet 20 can be in fluid communication with a supply inlet of the swimming pool. The swimming pool can be an above-ground or an in-ground swimming pool in some embodiments. - As shown in
FIGS. 1 and 2 , thehousing 12 can enclose thefilter cartridge 14 and thepump 16. Thefilter cartridge 14 can be substantially cylindrical and thepump 16 can, be located inside thefilter cartridge 14. As a result, thefilter cartridge 14 can substantially separate thehousing inlet 18 from thepump inlet 22. Thepump outlet 24 can be directly coupled to thehousing outlet 20. In addition, as shown inFIGS. 1-3 , thehousing inlet 18 can be located substantially above thehousing outlet 20. - The
filter cartridge 14 can be positioned in ahousing cavity 26 of thehousing 12 and can separate thehousing cavity 26 into anunfiltered region 28 outside of the filter cartridge 14 (i.e., between thefilter cartridge 14 and inside walls of the housing 12) and a filteredregion 30 inside of thefilter cartridge 14. Thepump 16 can be at least partially located in the filteredregion 30 of thehousing cavity 26 and can be substantially surrounded by thefilter cartridge 14, and the filteredregion 30 can be substantially “downstream” from theunfiltered region 28. For example, during operation, thepump 16 can pull fluid through thehousing inlet 18 into theunfiltered region 28 and across thefilter cartridge 14 into the filteredregion 30. More specifically, thepump system 10 can act as a suction vessel by “pulling” water through thefilter cartridge 14, as opposed to conventional filtration systems that “push” water through a filter (i.e., creating a pressurized vessel). - In some embodiments, the
pump 16 can be a variable speed, variable flow, or multispeed pump. In other embodiments, thepump 16 can be a single speed pump or a two speed pump. As shown inFIGS. 1, 2, and 4 , thepump 16 can be positioned in a vertical orientation and can include amagnetic drive motor 32 with astator 34, arotor 36, and arotor shaft 38. Thepump 16 can also include animpeller 40 coupled to therotor shaft 38. Theimpeller 40 can be positioned in apumping cavity 42 near thepump inlet 22 in order to pump fluid into a volute 44 (e.g., an outlet cavity) and through thepump outlet 24. Thevolute 44 can include a spiral geometry to provide minimal flow resistance and optimal flow movement of fluid from theimpeller 40 to thepump outlet 24. In some embodiments, apump housing 46, which can at least partially form thepumping cavity 42 and thevolute 44, can be an integral part of thehousing 12. Also, in some embodiments, as shown inFIGS. 1, 2, and 4 , thepump housing 46 can includeribs 50, for example to add structural strength to thepump housing 46. - In addition, in some embodiments, at least the
stator 34, therotor 36, and therotor shaft 38 can be at least partially housed within amotor cavity 48, and therotor shaft 38 can extend into thepumping cavity 42 so that it can be coupled to theimpeller 40. In some embodiments, thepump 16 can include one or more seals to prevent fluid from leaking out of thepumping cavity 42 into themotor cavity 48 and contacting other components of the motor 32 (e.g., a “dry” rotor design). In this manner, themotor cavity 48 can remain substantially dry during operation of thepump 16. - In other embodiments, as shown in
FIGS. 1, 2, and 4 , therotor 36 and therotor shaft 38 can be positioned within themotor cavity 48 and can be in fluid communication with the pumping cavity 42 (e.g., a “wet” rotor design). Thestator 34 can be positioned, outside themotor cavity 48 and can be sealed from the pumpingcavity 42. Also, as shown inFIGS. 1, 2, and 4 , themotor cavity 48 can be located near a lower portion of thesystem 10. As a result, themotor cavity 48 can be accessible through the underside of thesystem 10 for motor maintenance or replacement. In some embodiments, themotor cavity 48 can be formed by a portion of thehousing 12. - In some embodiments, operation of the pump 16 (e.g., on/off control and/or speed control of the motor 32) can be controlled by a controller (not shown). The controller can be used to operate the
pump 16, for example a variable speed pump, in order to schedule pump on/off times, as well as control flow throughpump system 10 by controlling the speed of themotor 32. These operations can prevent thepump 16 from constantly operating at full speed, which may be unnecessary in certain situations. As a result, the scheduling and speed control operations can increase the efficiency of thesystem 10, lengthen the life of the system 10 (including themotor 32, thepump 16, and/or the filter cartridge 14), and reduce the operating costs of thesystem 10. - As described above, the
pump 16 can be located in the filteredregion 30. As a result, the fluid flowing, through thepump 16 has already passed through thefilter cartridge 14 and can be substantially filtered from debris which may cause damage to theimpeller 40 or other components of thepump 16. Due to thepump 16 pumping filtered fluid, pump durability and pump life can be increased in comparison to pumps in conventional pressurized vessel filtration systems that pump unfiltered fluid. For example, conventional pressurized vessel filtration systems include a debris basket that removes larger debris and particulate matter. These debris baskets can include mesh geometries in the centimeter range, allowing a substantial amount of particulate matter to reach the pump. Thefilter cartridge 14 of thesystem 10 can include filtration media with mesh geometries in the micron range in order to remove all particulate matter from the fluid before it reaches thepump 16. - In some embodiments, as shown in
FIGS. 1-3 , thesystem 10 can include apre-filter assembly 52. Thepre-filter assembly 52 can be located within thehousing cavity 26 on top of thefilter cartridge 14. In addition, thehousing inlet 18 can be located near a top portion of thehousing 12 adjacent to thepre-filter assembly 52 so that fluid entering thehousing cavity 26 can first enter apre-filter region 54 of thepre-filter assembly 52 before reaching theunfiltered region 28. In one embodiment, as shown inFIGS. 1-3 , thehousing 12 can include ahousing base 56 and thepre-filter assembly 52, acting as a housing cover assembly, can substantially cover thehousing base 56. Thehousing outlet 20 can extend from thepump outlet 24 through thehousing base 56, and thehousing inlet 18 can be integral with thepre-filter assembly 52. - The
pre-filter assembly 52 can include asolid bottom plate 58 and acylindrical pre-filter element 60 coupled to and extending upward from thesolid bottom plate 58. Thesolid bottom plate 58 can substantially cover the top of thefilter cartridge 14 to enclose the filteredregion 30 so that unfiltered fluid may only reach the filteredregion 30 by passing through thefilter cartridge 14. Thecylindrical pre-filter element 60 can substantially separate thehousing inlet 18 and thepre-filter region 54 from theunfiltered region 28 and can include a mesh that allows fluid to pass from thepre-filter region 54 into theunfiltered region 28 and prevents large debris (e.g., leaves, rocks, etc.) from passing into theunfiltered region 28. As a result, the large debris, which can be relatively heavy, can settle onto thesolid bottom plate 58. Ahousing cover 62 can be positioned over thepre-filter assembly 52 in order to enclose thepre-filter region 54. In some embodiments, thehousing cover 62 can be removable so that the large debris captured in thepre-filter region 54 can be emptied out of thepre-filter assembly 52. - The
system 10 can be compact in comparison to conventional filtration systems due to thepump 16 being positioned inside thefilter cartridge 14 and both thepump 16 and thefilter cartridge 14 being housed within thesame housing cavity 26. In addition, in some embodiments, thesystem 10 can be modular to accommodate different sized aquatic applications. As shown inFIGS. 5-7 , thesystem 10 can accommodate larger aquatic applications by including asecond filter cartridge 14 stacked on top of afirst filter cartridge 14. Thepump system 10 can also include ahousing insert 64 positioned between thehousing base 56 and thepre-filter assembly 52 in order to increase the height of thehousing 12, and thus, increase the volume of thehousing cavity 26. For example, thesystem 10 ofFIGS. 1-3 can provide a filter cartridge surface area of about 100 square feet or about 150 square feet (e.g., accommodating a pool between about 10,000 gallons and about 15,000 gallons), and thesystem 10 ofFIGS. 5-7 can provide a filter cartridge surface area of about 200 square feet or about 300 square feet (e.g., accommodating a pool between about 15,000 gallons and about 20,000 gallons). In addition, in some embodiments, as shown inFIGS. 5, 6, and 8 , themotor cavity 32 can be enclosed by acover 66. - In some embodiments, the
system 10 can include different types offilter cartridges 14, such as a sheet-type filter cartridge 14, which substantially splits thehousing cavity 26 into the unfiltered region 28 (i.e., adjacent to and in fluid communication with housing inlet 18) and the filtered region 30 (i.e., adjacent to and in fluid communication with the housing outlet 20). In these embodiments, thepump 16 is positioned in the filteredregion 30 in order to create a suction pressure in the filteredregion 30 that causes fluid entering thesystem 10 in theunfiltered region 28 to flow across thefilter cartridge 14 to the filteredregion 30. - In some embodiments, as shown in
FIG. 7 , thesystem 10 can include acontroller assembly 68 to receive user input, control thepump 16, and/or display information and settings to a user. Thecontroller assembly 68 can be located along the base 56 so that it is easily accessible by the user. - It will be appreciated by those skilled in the art that while the invention has been described above in connection with particular embodiments and examples, the invention is not necessarily so limited, and that numerous other embodiments, examples, uses, modifications and departures from the embodiments, examples and uses are intended to be encompassed by the claims attached hereto. The entire disclosure of each patent and publication cited herein is incorporated by reference, as if each such patent or publication were individually incorporated by reference herein. Various features and advantages of the invention are set forth in the following claims.
Claims (20)
1. A pump and filter system comprising:
a housing including a housing inlet, a housing outlet, and a housing cavity, the housing inlet being positioned above the housing outlet;
filtration media positioned inside the housing cavity and separating the housing inlet from the housing outlet; and
a pump positioned at least partially inside the housing cavity, the pump including a magnetic drive motor.
2. The system of claim 1 , wherein the pump includes a pump inlet and a pump outlet, the pump inlet being separated from the housing inlet by the filtration media, and the pump outlet being in direct communication with the housing outlet.
3. system of claim 2 , wherein the pump further includes a pumping cavity adjacent the pump inlet, and an outlet cavity positioned between the pumping cavity and the pump outlet, wherein the outlet cavity includes a spiral geometry.
4. The system of claim 1 , wherein the filtration media is one of a circular filter cartridge and a sheet-type filter cartridge.
5. system of claim 1 , wherein the pump is located in a substantially filtered region of the housing cavity downstream from the filtration media.
6. The system of claim 1 , wherein the pump is positioned in the housing cavity to create a suction pressure to force a fluid outside of the filtration media to flow across the filtration media toward a pump inlet of the pump.
7. system of claim 1 , wherein the magnetic drive motor is located in a motor cavity, and the pump further includes an impeller driven by the motor, the impeller being located in a pumping cavity in communication with the housing cavity, wherein the motor cavity and the pumping cavity are substantially sealed from one another.
8. The system of claim 1 , wherein the pump includes a pump housing integral with the housing.
9. The system of claim 1 and further comprising a controller in communication with the pump and configured to control the pump.
10. The system of claim 1 , wherein the housing is a modular housing including a housing base and a housing cover assembly, and wherein the housing cover assembly includes the housing inlet and the housing base includes the housing outlet.
11. The system of claim 10 , wherein the modular housing includes a housing insert stacked between the housing base and the housing cover assembly to increase a volume of the housing cavity, accommodating a second set of the filtration media.
12. system of claim 1 and further comprising a pre-filter assembly positioned between the housing inlet and the housing cavity.
13. A method of filtering fluid from an aquatic application, the method comprising:
providing a housing with an inlet, an outlet, and a housing cavity;
splitting the housing cavity into a filtered region and an unfiltered region with filtration media;
positioning a pump in the filtered region of the housing cavity; and
operating the pump to>pull the fluid from the aquatic application through the housing inlet into the unfiltered region, to pull the fluid across the filtration media into the filtered region via suction pressure of the pump, and to force the fluid through the pump to the housing outlet.
14. The method of claim 13 , wherein the filtration media is formed as a cylindrical filter cartridge and the pump is positioned inside the cylindrical filter cartridge.
15. method of claim 13 and further comprising providing a pre-filter element between the housing inlet and the unfiltered region.
16. The method of claim 13 and further comprising positioning the inlet above the outlet.
17. The method of claim 13 , wherein the step of operating the pump includes operating the pump with a magnetic drive motor.
18. The method of claim 17 and further comprising sealing at least a rotor and a stator of the magnetic drive motor from the housing cavity.
19. The method of claim 13 , wherein the pump is one of a one-speed pump, a two-speed pump, and a variable speed pump.
20. The method of claim 13 and further comprising coupling the inlet to a drain of an above-ground swimming pool, and coupling the outlet to a supply inlet of the above-ground swimming pool.
Priority Applications (1)
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US15/419,746 US20170138076A1 (en) | 2010-12-21 | 2017-01-30 | Modular Pump and Filter System and Method |
Applications Claiming Priority (3)
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US201061425596P | 2010-12-21 | 2010-12-21 | |
US13/327,588 US9555352B2 (en) | 2010-12-21 | 2011-12-15 | Modular pump and filter system and method |
US15/419,746 US20170138076A1 (en) | 2010-12-21 | 2017-01-30 | Modular Pump and Filter System and Method |
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US13/327,588 Continuation US9555352B2 (en) | 2010-12-21 | 2011-12-15 | Modular pump and filter system and method |
Publications (1)
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US20170138076A1 true US20170138076A1 (en) | 2017-05-18 |
Family
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US13/327,588 Active 2034-11-09 US9555352B2 (en) | 2010-12-21 | 2011-12-15 | Modular pump and filter system and method |
US15/419,746 Abandoned US20170138076A1 (en) | 2010-12-21 | 2017-01-30 | Modular Pump and Filter System and Method |
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US13/327,588 Active 2034-11-09 US9555352B2 (en) | 2010-12-21 | 2011-12-15 | Modular pump and filter system and method |
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US (2) | US9555352B2 (en) |
WO (1) | WO2012087763A1 (en) |
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-
2011
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-
2017
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Cited By (1)
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WO2023092125A1 (en) * | 2021-11-19 | 2023-05-25 | Water Tech, LLC | Portable fluid filtering apparatus |
Also Published As
Publication number | Publication date |
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US9555352B2 (en) | 2017-01-31 |
US20120152866A1 (en) | 2012-06-21 |
WO2012087763A1 (en) | 2012-06-28 |
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