Contra-rotating multi-layer propeller unit for multi-phase flow
AssigneeKorea University Research and Business Foundation
InventorsYoung June Moon, Dae Han Kim
Life of this patent
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Abstract
A contra-rotating multi-layer propeller unit for multi-phase flow according to an exemplary embodiment of the present disclosure includes: a shaft part; a front propeller and a rear propeller connected to the shaft part; an air collection part including a predetermined space therein and the shaft part positioned in the internal space; and an air supply pipe configured to supply air into the air collection part, and a rear propeller blade includes a two-phase blade connected to a rear propeller hub, a layer structure of which an inner surface is connected to an end portion of the two-phase blade, and a single-phase blade positioned at a location corresponding to the two-phase blade on an outer surface of the layer structure.
Claims5
A contra-rotating multi-layer propeller unit for multi-phase flow, comprising:
- a shaft part;
- a front propeller including a front propeller hub connected to the shaft part and multiple front propeller blades extended in a radial direction of the front propeller hub and equally spaced from each other;
- a rear propeller including a rear propeller hub connected to the shaft part and multiple rear propeller blades extended in a radial direction of the rear propeller hub and equally spaced from each other;
- an air collection part including a predetermined internal space therein and the shaft part positioned in the internal space;
- and
- an air supply pipe configured to supply air into the air collection part,
- wherein the rear propeller is rotated in a contrary direction to the front propeller, and each of the rear propeller blades includes:
- a two-phase blade connected to the rear propeller hub;
- a layer structure of which an inner surface is connected to an end portion of the two-phase blade;
- and
- a single-phase blade positioned at a location corresponding to the two-phase blade on an outer surface of the layer structure.
Dependencies are inferred from the claim text.