Importance

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Abstract

A spa jet assembly includes an orifice, a coverhead and a rotor mounted within the orifice and the coverhead. The orifice includes an axial port for water to enter into the spa jet assembly. The orifice also includes a radial port to allow air to enter into the spa jet assembly. The rotor is rotated by the flow of air and water through the spa jet assembly. The exiting air and water mixture from the spa jet assembly creates a pulsation effect. In a second embodiment, an orifice is rotatably connected to a control cylinder. A jet head is rotatably connected to the control cylinder about a pin shaft that is fixed at a common longitudinal axis to the orifice. The jet head is movable axially to a limited extent with respect to the control cylinder. The jet head can rotate freely with respect to the control cylinder in a first axial position. The jet head rotates with the control cylinder by an amount less than 360.degree. in the second position to vary the fluid flow rate in the apparatus. A cross-sectional opening of an air inlet and a water inlet are both simultaneously varied so that the identical proportions of water and air are maintained in the jet spa assembly in the various flow rates.

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First Claim