F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
F01L5/00—Slide valve-gear or valve-arrangements
F01L5/04—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves
F01L5/06—Slide valve-gear or valve-arrangements with cylindrical, sleeve, or part-annularly shaped valves surrounding working cylinder or piston
F01L5/08—Arrangements with several movements or several valves, e.g. one valve inside the other
F01L5/10—Arrangements with several movements or several valves, e.g. one valve inside the other with reciprocating and other movements of the same valve