Nozzle for emission of a mixture of water and air for hydromassa

Details Nozzle for emission of a mixture of water and air for hydromassa Nozzle for emission of a mixture of water and air for hydromassa

1993-06-21

1994-08-02

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

Liquid flow induces atmospheric air

239424, 239571, 2395874, 45416, A61H 3302

Patent

active

053337913

ABSTRACT:
An improved nozzle for emission of a mixture of water and air for hydromassage capable of being fixed to the wall of a tub which comprises an inner housing with the possibility of rotation lodged within an outer housing fixed to an opening in the tub. On the housing is fixed an inner duct facing the tub, the inner housing being united to a tubular member that communicates with a first chamber and having its own anterior mouth arranged inside of the inner duct. To the mouth is applied a one-way valve capable of closing the passage through the mouth when the pressure in the space anterior to the mouth is greater than the pressure in the posterior space. In the inner duct is placed a tubular obturator having an axial cavity within which is placed the anterior mouth of the tubular member, and having an intermediate section capable, after contact with the outer surface of the intermediate portion, of closing off communication between the second chamber and the anterior mouth of the inner duct. The obturator is normally held in closure position by a coil spring and is capable of undergoing axial displacements due to a pressure difference between the spaces upstream and downstream from the intermediate section.

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