Internal combustion engine with opposed pistons
Internal combustion engine with rotary exhaust control
Internal combustion engine with two-stage exhaust
Internal combustion engines having double cylinder units
Internal-combustion engine with opposed pistons
Interval spark ignition combustion engine
Leading piston engine with two cylinders interconnected through
Movable head engine
Multiple piston expansion chamber engine
Opposed double piston internal combustion engine
Opposed piston engine
Opposed piston engine with reserve power capacity
Optimized high pressure internal combustion engines
Power machine
Power machine valve control
Reciprocating piston internal combustion engine
Sparking device
Stepped piston axial engine
Stratified charge internal combustion engine
Swash plate internal combustion engine