ITBS20020078U1 - AIR INTAKE VALVE FOR WHIRLPOOL SYSTEMS - Google Patents

Description

BRESCIA - Piazzale Arnaldo, 2

1 Tel. 030/48313 - 3756265

of the PATENT FOR INDUSTRIAL MODEL OF UliJJTA <*>

having as title:

“AIR INTAKE VALVE FOR SYSTEMS

HYDROMASSAGE"

in the name of BOSSINI S.r.l .. with registered office in Castenedolo (Brescia), Via G. Matteotti 170 / a, of Italian nationality, electively domiciled for all legal purposes at Studio MANZONI & MANZONI, in Brescia, P.le Arnaldo, 2.

Filed on: 1 3 G I U. 2002 fi. 3 S 20 02 U 00 C G 78

♦ * * * *

The present utility model relates to whirlpool systems, such as tubs and swimming pools, and refers in particular to an air intake valve for such systems.

As is known, whirlpool systems are equipped with a pump designed to suck air from the outside to introduce it into the tub or pool full of water and with a built-in valve on the edge of the tub or pool and connected to the pump so as to allow the user to regulate the intake air flow. Current valves have a rigid structure that hinders their installation when they have to be connected to the pipe coming from the pump

υττιαο international patent

BRESCIA - Piazzale Arnaldo,

2 Tel. 030/48313 - 3756265

suction and which sometimes requires, in order to adapt the positioning of the valve with respect to this pipe and make the connection, the use of special fittings to be mounted between the valve and the pipe itself.

Furthermore, the valves currently used in this field are provided with a non-return valve which is normally positioned at the level of the connection between the valve and the connection pipe to the pump. In case of replacement of this non-return valve, it is then necessary to access the suction valve from under the surface in which it is installed, with all the drawbacks of the case, and to disconnect the connection pipe to the pump.

Starting from these premises, an object of the present invention is to provide an air intake valve for whirlpool systems provided with means for simpler, faster and safer installation and connection to the suction pump tube.

Another object of the invention is to provide an air intake valve provided with a non-return valve which can be easily replaced by accessing the valve body from above and without having to disconnect the pipe connecting the pump.

Said objects are achieved with an air intake valve for whirlpool systems according to the following claims.

BRESCIA - Piazzale Arnaldo,

3 Tel. 030/48313 - 3756265

Further details of the invention will in any case become more evident from the continuation of the description made with reference to the attached drawing, indicative and not limiting, which shows an example of an air intake valve according to the invention, in axial section.

In said drawing, 10 indicates the body of the intake valve embedded in a plane 11 of a tank or swimming pool, to which it is fixed by means of a ring nut 12. The body houses a usual headwork 13, which can be rotated by means of a knob 14 for adjusting the intake air flow, and a non-return valve 1 S designed to prevent the water from flowing back from the pump to the outside. The body 10 of the intake valve terminates at the bottom with a neck 16 for connection to a connection pipe of a suction pump - not shown.

In accordance with the invention, the non-return valve consists of a ring 17, made for example of brass, coaxial to the axis of the valve body, inserted and retained between the bottom of the headwork 13 and a peripheral step 18 obtained in the valve body. upstream of the lower neck 16. The ring 17 is provided with a peripheral sealing gasket 19 resting against the internal wall of the valve body 10 and with an internal lip gasket 20, facing downwards. On the inner wall of the valve body 6

BRESCIA - Piazzale Arnaldo, 2

4 Tel. 030/48313 - 3756265

a plurality of longitudinal ribs 21 are also obtained which extend downwards from the peripheral step 18 and which define a central seat 22 underneath the ring 17 for supporting a sphere 23. In the presence of a flow of water from the pump, the ball 23 rises and rests against the lip seal 20 of the ring 17 closing the valve. In case of replacement of the ring 17 and / or of the ball 23, it is then possible to simply remove the knob 14 and the screw 13, thus operating from above and without having to detach the suction pump tube.

According to the invention, moreover, to the lower neck 16 of the valve body a sleeve 24 can be snapped and rotatably applied to which in turn the connection pipe to the suction pump is fixed. For snap-fit coupling, the neck 16 can for example have a peripheral collar 16 'intended to engage in a corresponding annular groove formed in the sleeve 24. An annular sealing gasket 25 is also provided between the neck 16 and the sleeve.

The revolving sleeve 24 can be straight or curved, as in the example shown and, depending on the type of suction pipe, it can have an end configured to insert by pressure into the pipe connecting to the pump, or threaded to screw to it.

Claims (9)

BRESCIA - Piazzale Arnaldo, 5 Tel. 030/48313 - 3756265 1. Inlet valve aijia for whirlpool systems, comprising a valve body (10) embedded in a plane of the whirlpool system and, housed in said body, a headwork (13) that can be rotated by means of a knob (14) for regulating the flow suction air and a non-return valve (15) designed to prevent a backflow of water from a suction pump connected to the valve to the outside, characterized by the fact that the non-return valve consists of a ring (17 ) inserted and retained in the valve body between the bottom of the bonnet (13) and a peripheral step (18) obtained in said valve body, and in a ball (23) normally resting on a seat (22) obtained in the valve body under said step , the ring (17) being provided with a peripheral sealing gasket (19) resting against the internal wall of the valve body (10) and with an internal lip gasket (20), facing downwards, against which it is designed to support iare the ball when raised from its seat and pushed by a flow of water coming from the pump. 2. Intake valve according to claim 1, wherein the ball seat is formed by a plurality of longitudinal ribs or ribs (21) extending along the inner wall of the valve body below the peripheral step for supporting the ring . mymation and patents BRESCIA - Piazzale Arnaldo, 2 g Tel. 030/48313 - 3756265 3. Air intake valve for whirlpool systems, comprising a valve body (10) embedded in a plane of the whirlpool system and, housed in said body, a screw (13) that can be rotated by means of a knob (14) for regulating the flow intake air and a non-return valve (15) designed to prevent a backflow of water from a suction pump connected to the valve towards the outside, where the valve body (10) ends at the bottom with a neck (16) for connection to a sleeve (24) for connection to a pipe for connection to said suction pump, characterized in that said sleeve is snap-on and rotatable to the neck of the valve body. 4. Suction valve according to claim 3, wherein the neck (16) has a peripheral collar (16 ') intended to engage in a corresponding annular groove formed in the sleeve (24). 5. Suction valve according to claim 3 or 4, wherein the sleeve and the valve body are coaxial. The suction valve according to claim 3 or 4, wherein the sleeve forms a curve with respect to the axis of the valve body. 7. Suction valve according to any one of claims 3-6, wherein the sleeve has a MANZONI & MANZONI srl International Patent Office BRESCIA - Piazzale Arnaldo, 2 η Tel. 030/48313 - 3756265 threaded portion to screw to the pump connection pipe. Suction valve according to any one of claims 3-6, in which the sleeve has means for pressure coupling with the pipe connecting to the pump. 9. Air intake valve for whirlpool systems, as substantially described above, illustrated and claimed for the specified purposes. Brescia on June 13, 2002