US PATENT SUBCLASS 123 / 359
.~.~.~.~.~ Fail-safe feature (e.g., cuts off fuel pump)

Current as of: June, 1999
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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  DF  .~.~ Electrical sensing or regulating {3}
352  DF  .~.~.~ Engine speed sensing having an error signal producing circuit {7}
357  DF  .~.~.~.~ Electric fuel injection pump governor {2}
359.~.~.~.~.~ Fail-safe feature (e.g., cuts off fuel pump)

DEFINITION

Classification: 123/359

Fail-safe feature (e.g., cuts off fuel pump):

(under subclass 357) Subject matter in which safety means is provided to effect backup control when part of the electric regulator fails.

(1) Note. The said safety means may cut off the pump, reduce the pump output to effect engine idling, etc.