Automatic lift system for air cushion vehicles

Details Automatic lift system for air cushion vehicles Automatic lift system for air cushion vehicles

1975-03-14

1976-07-13

Song, Robert R.

Motor vehicles

Surface effect vehicles

Having propulsion or control means

B60V 114

Patent

active

039688518

ABSTRACT:
An air cushion vehicle in which the lift fan and the propulsion unit are driven from the same engine in such a way as to automatically keep the lift fan at a constant speed to maintain correct lift while the engine and propulsion unit speed varies from just above idle up to maximum speed. The lift fan is driven by means of two automatically adjustable pulleys, one of which senses torque from the lift fan and adjusts its effective diameter, the other being adjusted by spring force.

REFERENCES:
patent: 3153461 (1964-10-01), Bollum
patent: 3187817 (1965-06-01), Colley
patent: 3219134 (1965-11-01), Bratt
patent: 3810522 (1974-05-01), Morgan

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