Gas-cushion vehicles
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United States of America Patent
Stats
-
Apr 27, 1982
Grant Date -
N/A
app pub date -
Jun 10, 1980
filing date -
Jun 18, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sidewall gas-cushion vehicle is provided with a flexible skirt of hollow inflatable form, which, in operation of the vehicle, depends from the vehicle body so that the bottom of the skirt defines a convex face in close proximity to the surface over which the vehicle travels so as to form a plenum gap through which an atmosphere-seeking flow of cushion gas escapes. The flexible skirt is of two-stage form, comprising an upper compartment and a lower compartment. A fan, an aperture in a compartment-dividing membrane and an outlet duct are provided for inflating the lower compartment to a higher pressure than that existing in the upper compartment.
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