A machine of free pistons, and especially of pistons semilibres (Machine-translation by Google Translate, not legally binding)
ES206785A1
A fuel injection device in machines that work, at least temporarily, as piston machines opposite semilibers (Machine-translation by Google Translate, not legally binding)
ES206784A1
A compressor motor-free pistons or semilibers (Machine-translation by Google Translate, not legally binding)
ES206783A1
A regulating device for the expenditure of compressors, pumps and similar (Machine-translation by Google Translate, not legally binding)
ES185165A1
A procedure to ensure, in explosion engines, combustion with a type of superior compression
US2580951A
Combustion chamber for internalcombustion engines
US2442470A
Engine with synchronised free opposed pistons
US2463051A
Starting device for free piston engines
US2406100A
Cylinder construction
US2415110A
Power plant
ES162745A1
Improvements introduced in the synchronized opposite polymers machines
US2463418A
Fuel injection system
US2414166A
Compressed air installation
US2380066A
Internal-combustion engine
ES153679A1
Improvements in the means to synchronize the alternative equipment of the free piston machines
ES148673A1
Improvements in the autocompressors of this type
ES148651A1
Improvements in the means of driving the propulsor system of an aerodine, especially an aerodine that should evolve at a great height
ES148616A1
Improvements in free piston machines, especially double effect compressed gas generators
ES148597A1
Improvements in overheating media that produce pressure fluid
ES148579A1
Improvements in free piston machines, whose energy is used, at least in part, to compress a gas, and especially to the autogenerators of this class
