| F: | MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
| F01: | ENGINES OR PUMPS; MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES |
| F01C: | ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES (internal-combustion aspects F02B53/00, F02B55/00) |
| F01C1/00: | Rotary-piston machines or engines (with axes of co-operating members non parallel F01C3/00; with the working-chamber walls at least partly resiliently deformable F01C5/00; with fluid ring or the like F01C7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B13/00) |
| F01C1/30: | . having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members |
| F01C1/38: | . . having the movement defined in group F01C1/02 and having a hinged member (F01C1/32 takes precedence) |
