Arrangements of valves in the machine or engine, e.g. relative to working cylinder

Lift-valve gear or valve arrangements specially adapted for machines or engines with variable fluid distribution > Arrangements of valves in the machine or engine, e.g. relative to working cylinder

Lift valve-gear or valve arrangements specially adapted for machines or engines with variable fluid distribution (drive, adjustment during operation, tripping-gear, reversing-gear, use of working pistons or piston-rods as valves or as valve-supporting elements, valve-gear or valve arrangements peculiar to free-piston machines or engines F01L15/00 - F01L31/00) > Arrangements of valves in the machine or engine, e.g. relative to working cylinder