Rotary compensator for expansion of metal pipework.
FR2472869A1
Rotatably mounted motor-driven electrical generator - has stator off axis w.r.t. motor shaft and has rotor running on fixed gear to recover stator reaction energy
FR2461846A1
Automobile electromagnetic drive transmission - uses coupled generator and electric motor, with rheostat providing variable speed regulation
FR2459878A1
Rotary internal combustion engine - has radial combustion chambers with radial outlet jets connected to central output gear
FR2458173A1
Electricity generator - where interaction of gamma rays with magnetic field produces quasi-perpetual source of electric energy
FR2446220A1
Reaction drive engine for boat - has cam operated pistons acting directly towards the stern and sealed with bellows vented to the inside of engine
FR2389050A1
Rectilinear to rotary motion converter - uses two sliding toothed racks engaging two toothed wheels alternately
FR2335982A1
Electromagnetic braking reduction in electrical machines - uses straight or epicyclic gear trains to move stator in same sense as armature
FR2245218A5
Mechanical energy demonstration generator - increases energy by the deformation of an elastic body
