US PATENT SUBCLASS 122 / 193
.~ Water firebox


Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

*  DD  HORIZONTAL CYLINDER {6}
193.~ Water firebox {1}
194  DF  .~.~> Water tube type


DEFINITION

Classification: 122/193

(under the class definition) Horizontal cylindrical boilers having a firebox located beneath one end of the boiler and having one or more water walls forming the sides of the firebox.

SEE OR SEARCH THIS CLASS, SUBCLASS:

58+, and 90+, for horizontal fire tube boilers with various types of water fireboxes.

139, 141 and 146, for horizontal flue boilers with water fireboxes.

188, for drop water baffles.

189, for water cooled roofs.