136517 ⎘
Machines or engines with pertinent characteristics other than those provided for in preceding main groups Atmospheric engines, i.e. atmosphere acting against vacuum
Vacuum Engine
#2Device for obtaining mechanical work from a non-thermal energy source (variants)
#3Vacuum motor for operation of a lavage system
#4Energy storage system and method for storing energy and recovering the stored energy using the system
#5Pressure differential-driven engine
#6Pressure differential-driven engine
#7Vacuum engine