Compact, coupled propulsion and lift unit for hovercraft

Details Compact, coupled propulsion and lift unit for hovercraft Compact, coupled propulsion and lift unit for hovercraft

1991-06-18

1994-01-18

Focarino, Margaret A.

Motor vehicles

Surface effect vehicles

Having propulsion or control means

180127, B60V 114, B60V 116

Patent

active

052793796

ABSTRACT:
A combined propulsion and lift unit for an air-cushion vehicle is provided comprising an elongate shaft mounted for rotation about its central longitudinal axis, bearings for rotatably supporting the shaft, an axial wheel with two or more blades mounted on the shaft for rotation therewith, a first housing extending peripherally about the shaft, the housing provided with an air inlet and an air outlet, a drive device connected to the shaft for rotating same at a selected speed, a centrifugal fan wheel mounted on the shaft for rotation therewith, the fan wheel provided with an air inlet, the fan wheel located inside the first housing, and a second housing extending about the perimeter of the axial wheel and the first housing, the second housing having a larger diameter than the first housing thereby defining an air passageway therebetween, the second housing provided with an air inlet and an air outlet.

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