Air cooled power machine

Air cooled self-supercharging four stroke internal combustion en

Arrangement in a two cycle combustion engine with internal...

Asymmetrical internal combustion engine

Bearing arrangement

Collapsible wall engine

Compression ignition internal combustion engine

Compression ratio control mechanism for internal combustion engi

Conformable bladder engine

Constructional improvements in a two-stroke opposed piston engin

Crankcase supercharged 4 stroke, 6 cycle engine

Double crankshaft valved two cycle engine

Double piston cycle engine

Drive arrangement for internal combustion engine

Dual compression and dual expansion internal combustion engine a

Dual piston cylinder configuration for internal combustion...

Dual piston internal combustion engine

Energy transfer unit having at least three adjacent piston membe

Engines featuring modified dwell

Expansible chamber device