Radial turbine
OwnerPiotr Jeuteinventor
Life of this patent
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Abstract
A radial turbine includes a housing, a rotor mounted on a shaft, an inlet channel for supplying a defined working medium, and an outlet channel. The rotor includes working cavities, with a generally spiral shape, which conduct the defined working medium from the inlet channel to the outlet channel, located near the center of the rotor. The working cavities have a generally rectangular cross-section, with a width (W), parallel to an axis of rotation of the rotor, and a height (H), parallel to a radius of the rotor. The width (W) is greater than the height (H), and the height (H) is not greater than six times a thickness of a boundary layer of the defined working medium.
Claims12
A radial turbine comprising:
- a housing;
- a rotor mounted within the housing on a shaft;
- an inlet channel for supplying a defined working medium generally tangentially in respect to a circumference of the rotor;
- an outlet channel located near a centre of the rotor;
- the rotor comprising working cavities having a spiral shape starting tangentially to a circumference of the rotor, for conducting the defined working medium from the inlet channel to the outlet channel;
- each of the working cavities having a rectangular cross-section, which has a width, oriented parallel to an axis of rotation of the rotor, and a height, oriented generally parallel to a radius of the rotor;
- each of the working cavities having a wider wall with a boundary layer of the defined working medium developed on an internal surface of said wider wall;
- wherein said width is greater than said height of the rectangular cross-section, and said height is not greater than six times a thickness of said boundary layer.
Dependencies are inferred from the claim text.