140209 ⎘
Machines having two pistons; Single-acting two piston engines of stationary cylinder type having opposed pistons
Dual-Head Opposing-Piston Free-Piston Stirling Engine Design
#2Compact tandem cylinder reciprocating engine for CO2 power generation
#3Combined wind and solar power generating system
#4Free-piston stirling machine in an opposed piston gamma configuration having improved stability, efficiency and control
#5STIRLING ENGINE
#6Configurations of a Stirling engine and heat pump
#7Heat engine
#8Method and apparatus for converting thermal energy to mechanical energy