Filtration pump for a swimming pool

Abstract

Disclosed is a filtration pump for a swimming pool, including a pump body suitable for resting on a horizontal support, the pump body has a suction port extended by a cylindrical suction structure with a horizontal axis, and a discharge port, extended by a cylindrical discharge structure with a vertical axis. The pump body allows adjustment: of the dimension corresponding to the height of the horizontal axis of the cylindrical suction structure, relative to the support, of the dimension corresponding to the height of the horizontal plane of the free end of the cylindrical discharge structure relative to the support, and of the dimension corresponding to the distance separating the vertical plane of the free end of the cylindrical suction structure and the vertical axis of the cylindrical discharge structure, and this continuously, each over a range of values and regardless of the others.

1 - 14 . (cancelled) 
     
     
         15 . Filtration pump ( 1 ) for a swimming pool comprising a pump body ( 2 ) suitable for resting on a horizontal support (S), said pump body ( 2 ) comprising a lodging space ( 7 ) for a pre-filtering system as well as means for receiving a motor ( 3 ), and is provided with
 a suction port ( 11 ,  39 ), said suction port ( 11 ,  39 ) being positioned facing the lodging space ( 7 ) for the pre-filtering system, and being extended by a cylindrical suction structure ( 13 ) with a horizontal axis ( 13 ′), the free end ( 14 ) of which extends in a vertical plane (P 1 ) and is provided with means ( 15 ) for being coupled to a suction coupling (RA), and   a discharge port ( 16 ), said discharge port ( 16 ) being extended by a cylindrical discharge structure ( 18 ) with a vertical axis ( 18 ′), the free end ( 19 ) of which extends in a horizontal plane (P 2 ) and is provided with means ( 20 ) for being coupled to a discharge coupling (RF),   the horizontal axis ( 13 ′) of said cylindrical suction structure ( 13 ) being intended to extend according to a height dimension (C 1 ) with respect to said horizontal support (S) of said pump body ( 2 ),   said horizontal plane (P 2 ) of the free end ( 19 ) of the cylindrical discharge structure ( 18 ) being intended to extend according to a height dimension (C 2 ) with respect to said horizontal support (S),   said vertical plane (P 1 ) of the free end ( 14 ) of the cylindrical suction structure ( 13 ) and said vertical axis ( 18 ′) of the cylindrical discharge structure ( 18 ) being separated by a length dimension (C 3 ),   and said axes ( 13 ′,  18 ′) of said cylindrical suction structure and discharge structure ( 13 ,  18 ) being situated in the same vertical plane (P 3 ),   wherein said pump body ( 2 ) comprises means ( 11 ,  33 ,  34 ,  39 ) allowing the adjustment of said height dimension (C 1 ), means ( 16 ,  18 ,  21 ,  22 ) allowing the adjustment of said height dimension (C 2 ), and means ( 11 ,  13 ,  37 ,  38 ,  39 ) allowing the adjustment of said length dimension (C 3 ), continuously, each over a range of values and regardless of the others.   
     
     
         16 . Filtration pump ( 1 ) according to  claim 15 , wherein said cylindrical discharge structure ( 18 ) comprises a cylindrical discharge coupling ( 21 ) mounted with the possibility of axial mobility through an annular gasket ( 22 ) associated to said discharge port ( 16 ) for allowing the adjustment of the height dimension (C 2 ). 
     
     
         17 . Filtration pump ( 1 ) according to  claim 16 , wherein said cylindrical discharge structure ( 18 ) comprises compression means ( 23 ) for compressing in a reversible manner said gasket ( 22 ) between the circumference of said discharge port ( 16 ) and the outer surface of said cylindrical discharge coupling ( 21 ), in order to achieve simultaneously the axial locking of said cylindrical discharge coupling ( 21 ) and the tightness. 
     
     
         18 . Filtration pump ( 1 ) according to  claim 17 , wherein said discharge port ( 16 ) of the pump body ( 2 ) extends to the outside by a cylindrical discharge section ( 24 ) provided with a tapping ( 25 ), the inner diameter of said cylindrical discharge section ( 24 ) being greater than the diameter of said discharge port ( 16 ) for providing an inner shoulder ( 26 ) oriented to the outside, and wherein said compression means ( 23 ) comprises a clamping nut ( 27 ) intended to surround said cylindrical discharge coupling ( 21 ) and provided with an extension ( 28 ) comprising an outer thread ( 29 ) intended to cooperate with said tapping ( 25 ) of said cylindrical discharge section ( 24 ), in an appropriate manner in order that its free end compresses directly or indirectly said gasket ( 22 ) against said inner shoulder ( 26 ) and against the outer surface of said cylindrical discharge coupling ( 21 ). 
     
     
         19 . Filtration pump ( 1 ) according to  claim 18 , further comprising a conical and open compression ring ( 30 ) located between said gasket ( 22 ) and an inclined surface ( 31 ) formed in the inner surface of said clamping nut ( 27 ). 
     
     
         20 . Filtration pump ( 1 ) according to  claim 18 , wherein said cylindrical discharge section ( 24 ) of the discharge port ( 16 ) is formed as one piece with the pump body ( 2 ). 
     
     
         21 . Filtration pump ( 1 ) according to  claim 15 , wherein said cylindrical suction structure ( 13 ) comprises a cylindrical suction coupling ( 37 ) mounted with the possibility of axial mobility through an annular gasket ( 38 ) associated to said suction port ( 11 ,  39 ), for allowing the adjustment of said length dimension (C 3 ). 
     
     
         22 . Filtration pump ( 1 ) according to  claim 21 , wherein said cylindrical suction structure ( 13 ) comprises compression means ( 40 ) for compressing in a reversible manner said gasket ( 38 ) between the circumference of said suction port ( 11 ,  39 ) and the outer surface of said cylindrical suction coupling ( 37 ) in order to achieve simultaneously the axial locking of said cylindrical suction coupling ( 37 ) and the tightness. 
     
     
         23 . Filtration pump ( 1 ) according to  claim 22 , wherein said suction port ( 11 ,  39 ) of the pump body ( 2 ) extends to the outside by a cylindrical suction section ( 41 ) provided with a tapping ( 42 ), the inner diameter of said cylindrical suction section ( 41 ) being greater than the diameter of said suction port ( 11 ,  39 ) for providing an inner shoulder ( 43 ) oriented to the outside, and wherein said compression means ( 40 ) comprises a clamping nut ( 44 ) intended to surround said cylindrical suction coupling ( 37 ) and provided with an extension ( 45 ) comprising an outer thread ( 46 ) intended to cooperate with said tapping ( 42 ) of said cylindrical suction section ( 41 ), in an appropriate manner in order that its free end compresses, directly or indirectly, said gasket ( 38 ) against said inner shoulder ( 43 ) and against the outer surface of said cylindrical suction coupling ( 37 ). 
     
     
         24 . Filtration pump ( 1 ) according to  claim 23 , further comprising a conical and open compression ring ( 47 ) located between said gasket ( 38 ) and an inclined surface ( 48 ) formed in the inner surface of said clamping nut ( 44 ). 
     
     
         25 . Filtration pump ( 1 ) according to  claim 15 , further comprising a suction port ( 11 ) formed in the pump body ( 2 ), being oversized in relation to the diameter of said cylindrical suction structure ( 13 ), and an intermediate plate ( 33 ), carrying said cylindrical suction structure ( 13 ), said intermediate plate ( 33 ) comprising holes ( 34 ) for being fixed to the pump body ( 2 ) by means of screws ( 36 ), said fixing holes ( 34 ) having an elongate shape the major axis of which is oriented parallel to said plane (P 3 ) et to said axis ( 18 ′) of the cylindrical discharge structure ( 18 ), for allowing the adjustment of said height dimension (C 1 ). 
     
     
         26 . Filtration pump ( 1 ) according to  claims 23 , further comprising a suction port ( 11 ) formed in the pump body ( 2 ), being oversized in relation to the diameter of said cylindrical suction structure ( 13 ), and an intermediate plate ( 33 ), carrying said cylindrical suction structure ( 13 ), said intermediate plate ( 33 ) comprising holes ( 34 ) for being fixed to the pump body ( 2 ) by means of screws ( 36 ), said fixing holes ( 34 ) having an elongate shape the major axis of which is oriented parallel to said plane (P 3 ) et to said axis ( 18 ′) of the cylindrical discharge structure ( 18 ), for allowing the adjustment of said height dimension (C 1 ); wherein said intermediate plate ( 33 ) comprises a suction port ( 39 ) which extends by said cylindrical suction section ( 41 ) associated to said cylindrical suction coupling ( 37 ) and said compression means ( 40 ). 
     
     
         27 . Filtration pump ( 1 ) according to  claim 15 , wherein said cylindrical suction coupling ( 37 ) and discharge coupling ( 21 ) comprise a tapped end ( 20 ) or a threaded end ( 15 ) for being coupled respectively to the suction coupling (RA) and to the discharge coupling (RF). 
     
     
         28 . Filtration pump ( 1 ) according to  claim 15 , wherein said cylindrical suction coupling ( 37 ) and discharge coupling ( 21 ) comprise a peripheral protruding structure ( 32 ,  49 ) having a polygonal cross-section, for holding them during screwing and unscrewing operations of the suction coupling (RA) and the discharge coupling (RF). 
     
     
         29 . Filtration pump ( 1 ) according to  claim 19 , wherein said cylindrical discharge section ( 24 ) of the discharge port ( 16 ) is formed as one piece with the pump body ( 2 ). 
     
     
         30 . Filtration pump ( 1 ) according to  claim 28 , wherein said peripheral protruding structure also holds the cylindrical suction coupling and the discharge coupling during screwing and unscrewing operations of of the associated clamping nuts ( 24 ,  44 ).