US PATENT SUBCLASS 374 / 37
.~.~ Having specified control of input of mixture

Current as of: June, 1999
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374 /   HD   THERMAL MEASURING AND TESTING

31  DF  CALORIMETRY {6}
36  DF  .~ Heat value of combustion (e.g., 'calorific value') {2}
37.~.~ Having specified control of input of mixture

DEFINITION

Classification: 374/37

Having specified control of input of mixture:

(under subclass 36) Subject matter having a structural detail of an adjustment of the amount of air or fuel admitted to the combustion location.

(1) Note. The adjustment may be responsive to the temperature of the combustion exhaust fluid.