Combustion engine with a constant combustion volume

Concealed regenerative combustion engine

Crankshaft connection for internal combustion engine

Device for converting a linear movement into a rotary movement

Double piston engine

Dual piston two stroke engine

Engine block structure in multi-cylinder engine

Engine design for gasoline/diesel engines

Engine having piston-cam assembly powertrain

In-line three cylinder combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine

Internal combustion engine having compartmented combustion chamb

Internal combustion engine with balancing forces

Internal combustion engine with catalytic ignition

Internal combustion engine without connecting rods

Internal combustion engine without connecting rods

Internal combustion engines