Spark ignition engine with rotary piston
Spark plug construction for lean mixture burning internal...
Spark plug location for split-cycle engine
Spark-ignition air-compressing internal combustion engine
Spark-ignition air-compressing internal combustion engine
Special purpose blends of hydrogen and natural gas
Speed sensitive electronic fuel control system for an...
Spherical engine
Spherical piston radial action engine
Split bearing for wankel engine
Split cycle internal combustion engine with rotary sleeve valve
Split four stroke cycle internal combustion engine
Split multi-unit rotary combustion engine
Split type internal combustion engine
Split-cycle air hybrid engine
Split-cycle air hybrid engine
Split-cycle aircraft engine
Split-cycle engine with a helical crossover passage
Split-cycle engine with dual spray targeting fuel injection
Split-cycle engine with dwell piston motion