Class 180/121 - With plural cushions

Subclass of Class 180 - Motor vehicles
Definition: A vehicle wherein the working fluid is utilized to produce
No. of patents: 34
Last issue date: 02/02/2010

Number	Title	Issue Date
7654353	Wrapped-cone fingers for skirt systems Wrapped-cone fingers for use in an air-cushion vehicle (ACV) skirt system are described. Wrapped-cone fingers may include an inner cone that is “wrapped” or generally enclosed by an outer finger. The inner cone may include an inner cone opening through which air...	02/02/2010
7428939	Waterjet drive hovercraft with adjustable trim system A flexible skirt-cell system is provided for a hovercraft having a propulsion system mounted to interface with water and a flexible skirt having an upper flexible panel section and a lower flexible finger section. The panel section extends around the bow, stern and ...	09/30/2008
7329161	Amphibious recreation vehicle An amphibious passenger vehicle having several open or covered holes and a surrounding cover to accommodate fishing and hunting. An aft mounted engine, forward/reverse transmission, drive linkage and disk/caliper brake assembly controls a pair of rear wheels. Electr...	02/12/2008
7290631	Wrapped-cone fingers for skirt systems Wrapped-cone fingers for use in an air-cushion vehicle (ACV) skirt system are described. Wrapped-cone fingers may include an inner cone that is “wrapped” or generally enclosed by an outer finger. The inner cone may include an inner cone opening through which air...	11/06/2007
7246769	Vehicles particularly useful as VTOL vehicles A vehicle including a fuselage, at least one lift-producing propeller carried by the fuselage on each side of its transverse axis a pilot's compartment formed in the fuselage between the lift-producing propellers and substantially aligned with the longitudinal axis,...	07/24/2007
7210549	Air board An air board including a platform upon which an operator of the vehicle can be supported; and a support arrangement for providing an air flow for supporting the platform above a surface, wherein the direction of movement of the air board is at least partially contro...	05/01/2007
7204672	Multi-modal forced vortex device A multi-modal forced vortex device is described having a top plate and a side wall creating a partially enclosed volume. The top plate includes one or more adjustable fluid openings to permit, or restrict, fluid flow into and out of the partially enclosed volume. Ro...	04/17/2007
7174982	Displaceable support stand A displaceable support stand (1) includes a support stand base (5) with a support surface (6) which is adapted to rest on the ground, a lifting device for lifting the support stand base (5) and therewith the support stand (1) above...	02/13/2007
7040572	Lighter-than-air aircraft with air cushion landing gear means A lighter-than-air aircraft (1) having a gas-filled hull (2) and a pair of spaced apart landing gear units (11, 12) on the underside of the hull arranged on opposite sides of a longitudinally extending central vertical plane of the hull. Each la...	05/09/2006
6530444	Controlled levitation vehicle In a controlled levitation vehicle that has a levitation apparatus where multiple air pads are connected to the undersurface of a chassis that also doubles as a duct connected to a blower, and where damper valves are connected between the blower and chass...	03/11/2003
6164229	Air bearing pontoon system for shipping containers A system for facilitating movement of a shipping container uses a plurality of air bearing pontoons interposed between a shipping container and a h, soft or water surface. Each air bearing pontoon includes an inflatable skirt and its own controllable ai...	12/26/2000
5560443	Hovercraft having segmented skirt which reduces plowing A self-propelled hovercraft having a body or hull around the periphery of which is a segmented skirt. The segmented skirt of the hovercraft comprises a plurality of bags, one adjacent to another, completely encircling the hovercraft body. Each of the bags...	10/01/1996
5377775	Hovercraft motorcycle In a preferred embodiment, a hovercraft motorcycle for travel over a ground surface, comprising: a body portion having a front end, a rear end, a longitudinal centerline extending from the rear end to the front end, and a lower surface spaced above the gr...	01/03/1995
5195602	Stabilized air cushion vehicle An air cushion vehicle has a substantially-endless downward and inward directed rigid primary nozzle supplied with air under pressure for producing an air curtain that creates and confines a central primary air cushion beneath the vehicle which mainly sup...	03/23/1993
4883015	End plate for a ram-wing boat An end plate is provided for a ram-wing boat having two airfoils (7-8) and (7a-8a), in the form of ailettes, disposed at a distance from each other and in tandem at approximately the same height, which airfoils are connected with each other at their outer...	11/28/1989
4843969	Multi-plenum air float for load transportation and amusement ride system An externally propelled load transporting apparatus that transports a uniformly distributed, non-uniformly distributed, or shifting load upon a cushion of air by first directing pressurized air into at least two plenum chambers and then through at least o...	07/04/1989
4828058	Hovercraft with improved maneuverability Disclosed is a hovercraft having a pair of air cushions, associated with each air cushion is a rotatable fan which partly produces lifting force and partly propels and maneuvers the craft. The fans are mounted perpendicular to the direction of travel, per...	05/09/1989
4747459	Hovercraft A hovercraft includes a rigid body and a flexible skirt pending from a lower periphery thereof. A main engine and propeller are coupled to the rigid body and provide a main propeller thrust. A plurality of thrust control vanes are located downstream of th...	05/31/1988
4660670	Wing-in-ground effect air cushion vehicle An air-cushion vehicle of the type having a flat rigid platform with rigid longitudinal walls attached to the platform. In such an air-cushion vehicle a plurality of transverse trough-shaped skirts are provided so as to form a space bounded by the skirt a...	04/28/1987
4428448	Fluid-cushion supported apparatus Fluid-cushion supported apparatus, which may comprise a sidewall gas-cushion vehicle, is supported by a cushion of pressurized air formed and contained between the vehicle body and the surface. The front or bow end of the cushion is contained by an inflat...	01/31/1984
4416210	Drill barge transport by surface effect vehicles A method and apparatus are disclosed to transport and position a drilling rig over dry land, marshland and water. Surface effect vehicles having drive and positioning means that develop thrust against the surface over which they travel are used to lift an...	11/22/1983
4350107	Air cushion vehicle A water borne air cushion vehicle having a flat rigid upper rectangular sheet-like platform, and a plurality of flat rigid longitudinal walls attached substantially at right angles thereto and depending therefrom substantially parallel with the major axis...	09/21/1982
4175637	Surface effect vehicles and guideways therefor A ground effect vehicle of the type supported by a cushion of gas and especially adapted for use within specially constructed roadways providing guidance along a plurality of axes. The application describes vehicles having skirts with lower margins adapte...	11/27/1979
4131174	Heave alleviation and control device for a surface effect ship A heave alleviation and control device for a surface effect ship having a central plenum chamber pressurized from a source of pressure interconnected to a stern seal plenum chamber by a duct. The duct contains a first valve positioned between the inlet fr...	12/26/1978
4096921	Vehicle supported by an air cushion A vehicle supported by an air cushion extending beneath at least the greater part of the lower surface of the rigid structure of the vehicle. An arrangement of skirts defining the air cushions is described. According to this arrangement, the cushion is bo...	06/27/1978
4077589	Ground-effect landing gear for aircraft A ground-effect landing gear for use on aircraft intended for performing take-off and landing on unprepared soft ground comprises a platform mounting a flexible enclosure constructed in the form of a system of inflatable envelopes bounding an overpressure...	03/07/1978
4068735	Ground-reaction machines This invention relates to ground-reaction machines, such as hovercraft, and is particularly concerned with flexible enclosure arrangements, often referred to as skirts, for enclosing a fluid cushion beneath the loading platform of the machine. According t...	01/17/1978
4060147	Vehicles riding on air cushions A vehicle riding on air cushions in which the lift of a platform is ensured by an arrangement of flexible skirts defining a central air-lift area at substantially constant pressure and a partitioned peripheral air-lift area. A closed loop of adjacent tubu...	11/29/1977
4042060	Air-lift vehicles An air-lift vehicle has inner and outer multi-lobed peripheral skirts arranged so that the corresponding lobes of the skirts are in register. Means is provided to supply compressed air to the inside of the inner skirt and between the inner and outer skirt...	08/16/1977
4029036	Stabilization and motion alleviation of air cushion borne vehicles An automatic pitch stabilization and motion alleviation device for air cushion borne vehicles, equally applicable to fully-skirted and to rigid sidewall vehicles. The vehicle's air cushion plenum is divided into bow and stern compartments by a transverse ...	06/14/1977
3954153	System of suspension and/or guidance for ground effect machine The invention has to do with a system designed to support and/or guide a ground effect machine (1) along a supporting surface (2). This system consists of structure (4) carrying a load (F), a floating partition (5) holding the cushion (9) and a flexible partit...	05/04/1976
3951227	Ground-effect vehicles An air-cushion, or ground-effect, vehicle is described which includes a central cushion defining assembly of skirts and a peripheral cushion defining assembly of skirts. The skirts of the central assembly are of lobe-like section and the skirts of the per...	04/20/1976
3949784	Air cushion vehicle fluid flow system In and for an installation comprising a fluid source and a plurality of fluid-using receivers to be fed with fluid from said source, a device for supplying fluid from said source to said receivers independently of one another, said device comprising a flu...	04/13/1976
3946828	Slantback, compliant surface effect vehicle skirt The skirt of a surface effects vehicle is made up of a plurality of oblong lements which are slanted toward the stern of the vessel. Each element partially rests against and/or supports the adjacent elements. This configuration reduces skirt drag, cushion ...	03/30/1976

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Class 180/121 - With plural cushions