SHIPBOARD PADDLE WHEEL Russian patent published in 1998 - IPC

FIELD: propelling devices of high-speed water transport facilities. SUBSTANCE: paddle wheel has shaft 1 with hub 2 and paddles. Paddles are sectional; each paddle consists of two blades. Inner blade 3 secured on hub 2 is inclined to side opposite to rotation of wheel and angle between blade and tangent line to circle drawn from center of wheel through blade tip ranges from 1 to 30 deg. Outer blades 4 are rigidly secured on tips of inner blades and are inclined in direction of rotation of wheel at angle of up to 30 deg or they are mounted radially. EFFECT: enhanced reliability. 3 dwg