Air cushion vehicle ride control system

Details Air cushion vehicle ride control system Air cushion vehicle ride control system

1991-04-16

1993-12-28

Hill, Mitchell J.

Motor vehicles

Surface effect vehicles

180117, 181114, 181116, B60V 100, B60V 111

Patent

active

052731278

ABSTRACT:
A simple and low maintenance Ride Control System (RCS) for Air Cushion Vehicles (ACV) is presented. This RCS reduces the effect of water wave generated pressure pulses on ACV ride by venting the pressure pulses from the pressurized supporting gas cushion and/or restricting gas flow into a powered blower that supplies the pressurized supporting gas cushion as the pressure pulses occur. The preferred embodiment utilizes high aspect ratio low moment of inertia vanes that are individually driven by brushless electric servo motors and the vanes can rotate in either direction through 360 degrees. A vane braking and locking mechanism is presented that brakes and locks the vanes in a closed position in the event of power failure to the vane drive motors. A further feature of the invention is a venturi that is positioned between the powered blower and the pressurized supporting gas cushion to reduce the effect of the pressure pulses on blower operation. Control of the vanes is normally directed by a controller that takes inputs from a pressure transducer that monitors pressurized supporting gas cushion pressures and analyzes same to come up with vane operational directions.

REFERENCES:
patent: 3854547 (1974-12-01), Hall

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