US PATENT SUBCLASS 123 / 686
.~.~.~.~ Engine coolant temperature responsive


Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
672  DF  .~ Including exhaust gas condition responsive means {11}
679  DF  .~.~ Combined with engine condition responsive means {6}
685  DF  .~.~.~ Starting or warmup responsive {1}
686.~.~.~.~ Engine coolant temperature responsive


DEFINITION

Classification: 123/686

Engine coolant temperature responsive:

(under subclass 685) Subject matter wherein the control means is responsive to the temperature of a heat exchange cooling fluid circulating through the internal combustion engine.