with tripping-gear specially for oscillatory valves; Oscillatory tripping-valves, e.g. of Corliss type

Full Title

Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L15/00 - F01L29/00 (sensing elements measuring the variable or condition to be controlled or regulated F01B25/04) > with tripping-gear specially for oscillatory valves; Oscillatory tripping-valves, e.g. of Corliss type