WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B60V　AIR-CUSHION VEHICLES (devices for short-distance movement of heavy loads by providing a high-pressure fluid cushion, supplied from an independent source, between load and ground B65G 7/06)

B60V 1/00 Air-cushion (land vehicles, waterborne vessels, or aircraft adapted or modified to travel on air cushion B60V 3/00)

B60V 1/02 ・wherein the cushion is generated and contained by at least one peripheral fluid curtain

B60V 1/04 ・wherein the cushion is contained at least in part by walls

B60V 1/043 ・・{the walls being flexible (skirt details B60V 1/16)}

B60V 1/046 ・・{the walls or a part of them being rigid}

B60V 1/06 ・wherein the cushion is formed within plenum chamber

B60V 1/08 ・wherein the cushion is created during forward movement of the vehicle by ram effect

B60V 1/10 ・in which the curtain-forming nozzle or the vehicle base is shaped to create a vortex curtain

B60V 1/11 ・Stability or attitude control

B60V 1/115 ・・{by ground or water engaging means, e.g. rudders or wheels}

B60V 1/12 ・・by dividing the cushion

B60V 1/14 ・Propulsion; Control thereof (B60V 1/11 takes precedence)

B60V 1/145 ・・{using a watter propeller}

B60V 1/15 ・・using part of the cushion-forming fluid

B60V 1/16 ・Flexible skirts

B60V 1/18 ・Body structure

B60V 1/20 ・Spray deflectors

B60V 1/22 ・provided with hydrofoils (hydrofoils per se B63B 1/24)

B60V 3/00 Land vehicles, waterborne vessels, or aircraft, adapted or modified to travel on air cushions

B60V 3/02 ・Land vehicles, e.g. road vehicles

B60V 3/025 ・・{co-operating with a flat surface, e.g. transporting loads on platforms}

B60V 3/04 ・・co-operating with rails or other guiding means, e.g. with air cushion between rail and vehicle

B60V 3/06 ・Waterborne vessels

B60V 3/065 ・・{hulls therefor}

B60V 3/08 ・Aircraft, e.g. air-cushion alighting-gear therefor