Triple acting engine driving electrical generator - has two sets of vanes propelled by compressed air and water, with compressor driven by IC engine whose exhaust drives further rotor
FR2569242A1
Double rotary hydraulic motor in which two 40cm<2>, rectangular blades P1 and P2, offset by 180 DEG , utilise the pressure of one kilo per square centimetre for 324 DEG before being driven by the other motor in order to make use, in equal measure, of the remainder of the rotation for closure of the feeds before the idle period which precedes the return of the same cycle
FR2420029A2
High pressure rotary motor - is driven by steam and combustion products produced by burning light gases under water
FR2339746A2
Rotary engine driven by exhaust gases of piston engine - has three pistons mounted between adjacent pairs of coaxial cylinders and connected to common disc on output shaft
FR2339060A2
Vapour pressure generator for mechanical engine drive - is continuously fed with mixture of water and explosive powder
FR2366443A2
Steam powered electrical generating system - has pressure vessel with oxyacetylene mixt. burnt under water to raise steam fed to double acting rotary engine
FR2366463A2
Twin cylinder rotary engine with three concentric expansion chambers - has inlet for working fluid in central tube
FR2367202A1
TWO SHIFT CYLINDRICAL ENGINES, BETWEEN THEM, OF 180O AND WHICH, COMBINING THEIR EFFORTS DURING THE 5O AND 57O DEAD TIMES THAT ACCOMPANY EACH NEW START OF THE PISTONS AND EACH CLOSURE OF THE EXHAUSTS, ENSURE, BETWEEN TIME AND ONLY OF THE AXIS DURING 250O AND DURING THE 48O OF THE TIMEOUT THAT PRECEDES THE RETURN OF THE SAME CYCLE
FR2320120A1
Safety harpoon for use in avalanche of snow - has tube held against ice underlayer with electric circuit to fire barb propellant charge
FR2319009A2
Rotary engine using powdered explosive as fuel - mixes fuel with water to form paste before entering engine
FR2314305A1
Tidal power generating system - uses immersed cylinder with piston lifted by flood tide to compress air to drive generator
FR2356010A2
Multiple cylinder rotary engine - has energy supplied from exhaust of IC engine, with no drawn output, to raise overall efficiency
FR2301704A1
Rotary piston type machine - has two concentric groups of three concentric cylinders with innermost ones rotatable
FR2279946A2
Sea wave energy driven machine - has sails and lowered hoisted by sliding masses to utilise wind energy