US PATENT SUBCLASS 110 / 189
.~.~.~ Pressure sensor


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



110 /   HD   FURNACES

185  DF  WITH CONTROL MEANS RESPONSIVE TO A SENSED CONDITION {1}
186  DF  .~ Feed control {2}
188  DF  .~.~ Of noncombustible fluid; e.g., air, etc. {2}
189.~.~.~ Pressure sensor


DEFINITION

Classification: 110/189

Pressure sensor:

(under subclass 188) Apparatus wherein the sensed state, property, or characteristic is the force per unit area existing at a point within the combustion chamber or in fluid lines connected thereto.

SEE OR SEARCH THIS CLASS, SUBCLASS:

103, for a subcombination fuel feeder controlled by boiler pressure.

SEE OR SEARCH CLASS

266, Metallurgical Apparatus,

89, for metallurgical treating apparatus provided with control means responsive to pressure variations.

431, Combustion, 19, for a fluid fuel burner provided with control means responsive to sensed pressure within its burning chamber.