136521 ⎘
Machines or engines with pertinent characteristics other than those provided for in preceding main groups; Reciprocating-piston machines or engines not otherwise provided for Engines
Sub-classes:POWER SYSTEM WITH CARBON DIOXIDE WORKING FLUID, GENERATOR, AND PROPULSION SYSTEM
#2FREE-PISTON STIRLING ENGINE
#3Power generation system and electricity generation system using the power generation system
#4Near-adiabatic engine
#5Thermodynamic engine
#6Paired air pressure energy power system and power method thereof
#7Paired air pressure energy storage device, inspection method and balance detection mechanism thereof
#8STIRLING ENGINE FOR AN EMISSION-FREE AIRCRAFT
#9LIQUID PISTON ENGINE
#10EXPANDER FOR A HEAT ENGINE
#11Stirling engine for an emission-free aircraft
#12Valve unit and a fluid working machine comprising a valve unit
#13Stirling refrigerator
#14Actuator element including fat and oil or water repellent
#15Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
#16Systems, methods and devices for the management of heat removal within a compression and/or expansion device or system
#17Compressed air engine
#18Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
#19Self-pressure-regulating compressed air engine comprising an integrated active chamber
#20Stirling engine for an emission-free aircraft
#21Actuator element including fat and oil or water repellent
#22Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
#23Systems, methods and devices for the management of heat removal within a compression and/or expansion device or system
#24Method of controlling a thermal energy harvesting system
#25Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange
#26RADIAL IMPULSE ENGINE, PUMP, AND COMPRESSOR SYSTEMS, AND ASSOCIATED METHODS OF OPERATION
#27Radial impulse engine, pump, and compressor systems, and associated methods of operation
#28Heat engines
#29Engine with pivoting type piston
#30Radial impulse engine, pump, and compressor systems, and associated methods of operation
#31Radial impulse engine, pump, and compressor systems, and associated methods of operation
#32Radial impulse engine, pump, and compressor systems, and associated methods of operation
#33Bicycle thermodynamic engine
#34Radial impulse engine, pump, and compressor systems, and associated methods of operation
#35Radial impulse engine, pump, and compressor systems, and associated methods of operation
#36Radial impulse engine, pump, and compressor systems, and associated methods of operation
#37Radial impulse engine, pump, and compressor systems, and associated methods of operation
#38Pressure control system for a closed-cycle engine
#39Power system with carbon dioxide working fluid, generator, and propulsion system
#40Systems and methods of converting heat to electrical power
#41Systems and methods of converting heat to electrical power
#42Methods of laser powering unmanned aerial vehicles with heat engines
#43Compressed air propulsion system