Cellular panel fabricating method for e.g. forming hull of pleasure boat, involves superimposing films such that embossing marks form cell network by intercalating fibrous sheets, non embossed film or anti-infraction grid between films
FR2896764A1
Bicycle pedal assembly, has three crankarms in which one of crankarms is rotated around axle of assembly, other crankarm is provided with three fixation axles, and third crankarm maintains rear end of former crankarm in its movement
FR2881477A1
Crossed multi-stage piston engine, has operating pistons, and distribution device causing exhaust for twin cylinders in depression phase by cooling after injecting compressed air/other gases in twin cylinders in compression phase by heating
FR2874588A1
Bicycle pedal assembly, has crank of twenty four centimeter whose front end supports pedal and rear end slides horizontally in horizontal slider shoe fixed to bicycle frame, where crank is fixed at one third of its length on another crank
FR2871176A1
Civil engineering work developing structure for e.g. river flood, has tunnel dug at level lower than level of water intake structure and water discharge structure so that water flows due to altitude difference between structures
FR2871218A1
Industrial gas storage sphere protecting device for industrial site, has water pockets placed around industrial gas sphere according to coherent network representing concentric belts to spray water under effect of shock wave and heat
FR2868390A1
Anti-dive device for motorcycle front fork, has damper with separated reservoir comprising electro-valve permitting to instantaneously limit stroke of piston of main cylinder while braking by blocking return of oil in reservoir
FR2867526A1
Propulsive cylinder for e.g. helicopter, has parallel ribs, where cylinder is independent of conic rotors of fluid centrifugation propulsive unit and rotates in opposite direction with respect to that of rotors
FR2867525A1
Propulsive cylinder for e.g. helicopter, has parallel ribs that propel centrifuged fluid molecules towards end of cylinder, and retarder that slows down molecules and recovers maximum of their kinetic energy by modifying their output path
FR2863625A1
Apparatus for reducing the alcohol content of wine before comsumption has temperature controlled container, pump, condenser and alcohol collector
FR2862271A1
Bicycles wheel driving device for use by cyclist, has two extended cranks vertically displaced in opposite direction by certain degrees, by vertical movement of two pedals, to alternatively drive dual gear that drives axles of plates
FR2852337A1
Rigid structure for spherical construction, has equilateral and isosceles triangles assembled by fixing crests, and two segment groups, where ends of one segment group are different from ends of other segment
FR2839522A1
Canine excretions collection device consists of clamp comprising two articulated shovels at end of hollow sleeve having handle with trigger for opening clamp, bag inside clamp protecting shovels is held in place by lugs
FR2835570A1
Multi-cell parallelepiped sealed motor block with external heat spource has four chambers and pairs of pistons on parallel crankshafts
FR2829461A1
Oil slick recovery boat is divided laterally into seven compartments with triangular sections, separated by oblique dividers, and divided longitudinally by vertical dividers
FR2831220A1
Centrifuged fluid propulsion unit has open conical rotor with flange fitted with straight or curved centrifuging blades on both sides
FR2829617A1
Fuel cell has continuous multilayer band which is driven through succession of vertical compartments which contain oxygen and hydrogen alternately and include catalytic solution bath at base
FR2823800A1
Space vehicle propulsion unit comprises turbine and three propulsion members of which two use gases expelled by turbine to rotate them
FR2823799A1
Variable and reversible thrust propulsion unit operates by centrifuging steam from high speed turbine creating pressure differences between flanges
FR2823798A1
Fluid centrifuging propulsion unit for various types of vehicle has rotor with two sets of flanges producing variable and reversible thrust