Radial hot gas engine

Reciprocating-piston engine, especially hot-gas engine or compre

Reciprocation apparatus with sealing mechanism

Reciprocation apparatus with sealing mechanism

Reducing the starting torque of double-acting Stirling engines

Refractory insulation of hot end in stirling type thermal machin

Regenerator for a heat engine

Regenerator for a Stirling engine

Regenerator for a Stirling Engine

Relative gas spring configuration free-piston stirling cycle sys

Resonant free-piston Stirling engine having virtual rod displace

Rotary closed parallel cycle engine systems

Rotary closed series cycle engine system

Rotary heat engine

Rotary hot gas regenerative engine

Rotary mechanism with improved volume displacement characteristi

Rotary pump or engine with spherical body

Rotary Stirling cycle engine

Rotary stirling cycle engine systems

Rotary Stirling cycle machine