144741 ⎘
Geometry; Arrangement of components according to the direction of their main axis or their axis of rotation the main axis being substantially vertical
Subterranean energy storage system
#2Air circulator with vane control system
#3Air circulator with vein control system
#4Gravitational vortex water turbine assembly
#5Air circulator with vein control system
#6Position-controlled wave power generating apparatus
#7Water turbine generator
#8ENERGY CONVERSION ASSEMBLY
#9Device for maintaining a hydraulic turbomachine
#10Multi-cylinder wind powered generator