Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F04
POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
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F04D
NON-POSITIVE-DISPLACEMENT PUMPS
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17/00
Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
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F04D17/02
having non-centrifugal stages, e.g. centripetal
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F04D17/025
comprising axial flow and radial flow stages
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F04D17/025

PROPELLER
20260015071 · 2026-01-15 · ·

A propeller having a plurality of blades extending radially outward from a hub, the blades forming a loop. Each loop can have an intake portion, an exhaust portion and a tip portion extending radially outward from the hub and a gap between the intake root and the exhaust root.