Cylinder head for internal combustion engines, especially diesel

Cylinder head for internal combustion engines, especially diesel

Device for controlling a flow in a helical type intake port

Dual tract induction

Elliptical valve stem for reducing turbulence in combustion engi

Engine combustion control system

Engine cylinder intake port

Engine intake port with annular nozzle directed swirl

Engine intake port with variable swirl vanes

Engine intake port with variable swirl vanes

Engine valve

Engine valve

Engine valve and method of producing the same

Engine valve with recessed seat and annular groove

Engine with fluidic variable swirl port

Engine with valve seat inserts and method of retaining

Engine with variable flow controlled cellular intake port

Exhaust valve for a reciprocating internal combustion engine

Exhaust valve for diesel engine and production thereof

Exhaust valve for Diesel engine and production thereof