characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

Full Title

Control of, monitoring of, or safety arrangements for, machines or engines > characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

Child Classifications

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• F01C 20/12 using sliding valves
• F01C 20/14 using rotating valves
• F01C 20/16 using lift valves