Regulating, controlling or safety means (controlling combustion engines F02D)

Child Classifications

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• F01B 25/02 Regulating or controlling by varying working-fluid admission or exhaust, e.g. by varying pressure or quantity
• F01B 25/16 Safety means responsive to specific conditions (against water hammer or the like in steam engines F01B31/34)
• F01B 25/20 Checking operation on safety devices
• F01B 25/22 Braking by redirecting working-fluid
• F01B 25/26 Warning devices