Ringed impeller for a water jet drive

Details Ringed impeller for a water jet drive Ringed impeller for a water jet drive

1987-04-15

1987-12-15

Peters, Jr., Joseph F.

Marine propulsion

Jet drive

Having means to increase fluid drive means efficiency

416189, 60221, B63H 11103

Patent

active

047130270

ABSTRACT:
An improved rigid impeller held for driven rotation within the housing of a water jet drive for boats. The impeller includes a hub connectable to the output shaft of a motor, a plurality of impeller blades integrally formed with, and radially extending from, the hub, and an annular ring rigidly connected or integral with and between the outer ends of the impeller. The annular ring has a circular outer surface concentric with the axis of the hub and adapted to closely mate with, and rotate within, a mating circular surface formed in the interior of the housing such that water is efficiently driven through the housing from its inlet in the bottom of the hull of the boat through and discharging from its outlet in the transom of the boat.

REFERENCES:
patent: 1518501 (1924-12-01), Gill
patent: 2636467 (1953-04-01), Johnson
patent: 3174454 (1965-03-01), Kenefick
patent: 3444817 (1969-05-01), Caldwell
patent: 3805731 (1974-04-01), Furst et al.
patent: 3826591 (1974-07-01), Wilson
patent: 4548548 (1985-10-01), Gray

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