WO1989001556A1 - Filtre de piscine - Google Patents

Filtre de piscine Download PDF

Info

Publication number
WO1989001556A1
WO1989001556A1 PCT/AU1988/000312 AU8800312W WO8901556A1 WO 1989001556 A1 WO1989001556 A1 WO 1989001556A1 AU 8800312 W AU8800312 W AU 8800312W WO 8901556 A1 WO8901556 A1 WO 8901556A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
water
basket
pool
inlet
Prior art date
Application number
PCT/AU1988/000312
Other languages
English (en)
Inventor
Robert Christopher Blair
Christopher Hamish Blair
Original Assignee
Arcadian Computers Pty. Limited
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 Arcadian Computers Pty. Limited filed Critical Arcadian Computers Pty. Limited
Publication of WO1989001556A1 publication Critical patent/WO1989001556A1/fr

Links

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
    • E04H4/1272—Skimmers integrated in the pool wall
    • 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
    • B01D29/27—Filter bags
    • 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
    • B01D29/902—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 containing fixed liquid displacement elements or cores

Definitions

  • a typical swimming pool filtration system consists of a skimmer box, a skimmer box filter, a pre-pump filter, a pump and a main filter.
  • the skimmer box is mounted on the side of the pool near the level of the completely filled pool. Water from the surface of the pool is sucked into the skimmer box carrying with it any debris floating on the water surface such as leaves.
  • the skimmer box filter which is usually a small plastic mesh basket, traps larger pieces of debris.
  • the pre-pump filter which is located immediately before the pump, is a fine mesh filter adapted to trap smaller particles (i.e. those visible to the naked eye).
  • the pump sucks water from the pool through the skimmer box and skimmer box filter, and through the pre-pump filter at high pressure. Pool water from the pump is delivered to the main filter which removes fine microscopic particles from water and the filtered water is then returned to the pool.
  • the debris on the bottom of the pool may be removed by manual or automatic vacuuming devices.
  • manual vacuuming a closure plate is placed over the skimmer box to restrict the flow through an aperture in the closure plate.
  • a vacuum hose is attached to the closure plate which has, at is other end, a vacuum head adapted to be moved over the pool floor by means of a long pole.
  • automatic vacuuming devices the flow of water through the vacuum hose is utilized to move the cleaning head around the pool, usually in a random fashion.
  • the capacity of the prior art filters is limited so that when there is a heavy load of debris in the pool, the filters quickly reach capacity and filtering efficiency falls away. In these circumstances, if the filters are not regularly emptied, they become blocked and damage can be caused to the pump and/or the filters.
  • the skimmer box filter is a plastic mesh basket set into the base of the skimmer box and as such is difficult to remove and empty. Moreover, when the pump is turned off, the plastic basket can float to the surface of the water in the skimmer box allowing debris previously collected to float back into the pool. This latter drawback can be overcome by placing a weight in the filter basket but this leads to a drop in pumping efficiency.
  • Another drawback of present filtration systems is that a relatively small load of debris in the filters can lead to large increases in the resistance through the filters with consequent loss of filtering efficiency.
  • a filter for a swimming pool filtration system comprising a hollow body, a water inlet through which water and debris from the pool enters the body and a water outlet through which water is delivered to the skimmer box or other part of the filtration system, and, a basket between the water inlet and outlet adapted to remove debris from the incoming water.
  • Fig. 1 is a schematic diagram of a typical prior art swimming pool filtration system
  • Fig. 2 is a perspective view of a filter for a swimming pool according to one embodiment of the invention
  • Fig. 3 is a perspective view of the filter basket of the filter shown in Fig. 2.
  • the filtration system shown in Fig. 1 is arranged to treat a body of water 10 in the swimming pool 11.
  • the normal level of the water is indicated by the dotted line 12 when the pool is full.
  • Surface water from the pool 11 is drawn into the skimmer box 13 having a skimmer box filter 14 which removes larger pieces of debris.
  • Water from the skimmer box 13 is drawn through a pre-pump filter 15 by the suction pump 16.
  • the pre-pump filter 15 removes the smaller particles of debris (i.e. those visible to the naked eye).
  • Water from the pump 16 is delivered to the main filter 17 and the filtered water is returned to the pool through return pipe 18.
  • FIG. 2 and 3 consists of a body 20 having a base 21, a front wall 22 and a rear wall 23.
  • a filter basket 24 is supported by a central wall 25 which with the front wall 22, base 21 and rear wall 23 defines the filter chamber 26.
  • the basket 24 has a peripheral mounting flange 27 and a V- shaped base 28.
  • An inlet plate 29 is hingedly mounted on the front wall 22 and generally overlies the basket 24.
  • An inlet port 30 on the plate 29 provides a point of attachment for the hose of a mobile pool cleaner such as those sold under the Registered
  • the inlet plate 21 When the filter pump is off, the inlet plate 21 is vertical and when the pump is turned on, the plate assumes an angle of around 45°, the actual angle depending upon the buoyancy of the inlet plate 29.
  • the inlet plate 29 When a mobile cleaner is to be connected to the inlet plate 30, the inlet plate 29 is pushed down to a horizontal disposition and held against the peripheral flange 27 of the basket 24 by latch 34.
  • the shape and configuration of the filter basket 24 is achieved by sewing or forming a suitable filter fabric. There is sufficient clearance beneath the bottom of the filter basket 24 and the baffle plates 32, 33 to ensure that the basket is not sucked into the space between the baffles 32 and 33.
  • Existing pools may have the filter of the invention located in the pool immediately adjacent to the existing skimmer box.
  • the filter could be suspended from the skimmer box inlet by locating arms.
  • New pools under construction may have the filter installed in place of the existing skimmer box or in addition to the skimmer box.
  • Existing pools may, of course, be altered to achieve a new pool type installation having a pre-filter according to the invention and no skimmer box.
  • the efficient operation of the filter is unaffected by the debris collected, which contrasts with the conventional filtration system where the debris already collected decreases the efficiency of operation by blocking the filter mesh.
  • the efficient packing of collected debris and the constant packing action by the passage of water over the mesh provide this continuing efficiency.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Architecture (AREA)
  • Water Supply & Treatment (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Filtration Of Liquid (AREA)

Abstract

Filtre (20) de piscine comportant une paroi frontale (20), une base (21) ainsi qu'une paroi arrière (23), définissant une chambre de filtrage (26). Un panier de filtrage (24) soutenu par la paroi (25) comporte une base (27) en forme de V renversé. Entre le panier (34) et la sortie (31) se trouve une paire de brides (32, 33) espacées. L'espacement entre les brides (32, 33) augmente à partir de la partie du milieu jusqu'à chaque extrémité. Une plaque (29) d'arrivée recouvre le panier (24).
PCT/AU1988/000312 1987-08-17 1988-08-17 Filtre de piscine WO1989001556A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI3784 1987-08-17
AU378487 1987-08-17

Publications (1)

Publication Number Publication Date
WO1989001556A1 true WO1989001556A1 (fr) 1989-02-23

Family

ID=3694257

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1988/000312 WO1989001556A1 (fr) 1987-08-17 1988-08-17 Filtre de piscine

Country Status (1)

Country Link
WO (1) WO1989001556A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879547A (en) * 1994-10-17 1999-03-09 Piscines Desjoyaux S.A. Filter panel for swimming pool

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580209A (en) * 1949-01-12 1951-12-25 Robert D Wiley Filter for fluids
US3091340A (en) * 1959-06-05 1963-05-28 Andrew L Pansini Portable leaf trap for swimming pools
US3268079A (en) * 1962-12-19 1966-08-23 Jr Gilfred J Sharrow Water skimmer
US3443264A (en) * 1966-11-08 1969-05-13 Robert E Miller Swimming pool vacuuming apparatus
US3868319A (en) * 1973-10-23 1975-02-25 Gerall A Black Method and apparatus for removing oil from swimming pools
US3909415A (en) * 1974-09-27 1975-09-30 Muskin Corp Anti-siphon valve for swimming pool lint pot
US4140634A (en) * 1976-11-26 1979-02-20 Harry Jack R Swimming pool skimmer shield
AU3012577A (en) * 1976-11-02 1979-05-03 Wright, M.J. Filter heater for small pool
AU4311279A (en) * 1978-02-07 1979-08-16 May, M.A. Swimming pool accessory
AU4655085A (en) * 1984-10-18 1986-04-24 Jack Nel Agencies (Panama) S.A. Leaf trap for a swimming pool
US4718129A (en) * 1987-05-01 1988-01-12 Miller Robert E Improved swimming pool vacuum apparatus
US4737279A (en) * 1987-03-18 1988-04-12 Rainbow Lifegard Products, Inc. Skimmer adaptor for suction-side pool cleaners

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580209A (en) * 1949-01-12 1951-12-25 Robert D Wiley Filter for fluids
US3091340A (en) * 1959-06-05 1963-05-28 Andrew L Pansini Portable leaf trap for swimming pools
US3268079A (en) * 1962-12-19 1966-08-23 Jr Gilfred J Sharrow Water skimmer
US3443264A (en) * 1966-11-08 1969-05-13 Robert E Miller Swimming pool vacuuming apparatus
US3868319A (en) * 1973-10-23 1975-02-25 Gerall A Black Method and apparatus for removing oil from swimming pools
US3909415A (en) * 1974-09-27 1975-09-30 Muskin Corp Anti-siphon valve for swimming pool lint pot
AU3012577A (en) * 1976-11-02 1979-05-03 Wright, M.J. Filter heater for small pool
US4140634A (en) * 1976-11-26 1979-02-20 Harry Jack R Swimming pool skimmer shield
AU4311279A (en) * 1978-02-07 1979-08-16 May, M.A. Swimming pool accessory
AU4655085A (en) * 1984-10-18 1986-04-24 Jack Nel Agencies (Panama) S.A. Leaf trap for a swimming pool
US4737279A (en) * 1987-03-18 1988-04-12 Rainbow Lifegard Products, Inc. Skimmer adaptor for suction-side pool cleaners
US4718129A (en) * 1987-05-01 1988-01-12 Miller Robert E Improved swimming pool vacuum apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5879547A (en) * 1994-10-17 1999-03-09 Piscines Desjoyaux S.A. Filter panel for swimming pool

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