Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES

Subclass:

NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES

Child Classifications

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• F01D 21/02 Shutting-down responsive to overspeed
• F01D 21/04 responsive to undesired position of rotor relative to stator, e.g. indicating such position
• F01D 21/1 responsive to unwanted deposits on blades, in working-fluid conduits, or the like
• F01D 21/12 responsive to temperature
• F01D 21/14 responsive to other specific conditions
• F01D 21/16 Trip gear
• F01D 21/2 Checking operation of shut-down devices