Importance

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Abstract

1 A device (1) for delivering an orbital fluid jet, comprising a body comprising a pressure chamber (3) provided with a fluid inlet and a fluid outlet (7), a rotor (1) having a top, a bottom, a rotational axis (15), and a fluid channel (C_PQ) having a fluid inlet (E_P) located on the top of the rotor on the axis (15) for receipt of fluid from the fluid outlet (7) of the body, an outlet (S_PQ) located on the bottom of the rotor (1) spaced from the axis (15), and a helical channel providing fluid communication between the inlet and exit configured to cause the rotor to rotate about the axis (15) when fluid is forced through the channel, and a mounting for rotatably mounting the rotor (1). The mounting is disposed within the pressure chamber (3), and the rotor (1) comprises an axle (10) that extends through the fluid outlet (7) of the pressure chamber (3), wherein the axle is suspended from the mounting for rotation relative to the mounting about the rotational axis (15). The mounting comprises a socket (13) with a central aperture (14), and in which the axle (10) extends through the central aperture and comprises a ball (11) configured to nest in the socket (13) for rotation of the ball and axle relative to the socket.

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First Claim