123 / | HD | INTERNAL-COMBUSTION ENGINES |
319 | DF | ENGINE SPEED REGULATOR {16} |
349 | DF | .~ Having condition responsive means with engine being part of a closed feedback system (e.g., cruise control) {4} |
350 | .~.~ Electrical sensing or regulating {3} | |
351 | DF | .~.~.~> Engine overspeed sensing with an indicator or alarm and speed regulation |
352 | DF | .~.~.~> Engine speed sensing having an error signal producing circuit {7} |
362 | DF | .~.~.~> Cold engine control |