US PATENT SUBCLASS 122 / 114
.~ Vertical

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

44.1  DF  FIRE TUBE {11}
114.~ Vertical {13}
116  DF  .~.~> Central fire dome
117  DF  .~.~> Central magazine
*  DD  .~.~> Circulation tube {1}
119  DF  .~.~> Cylinder
120  DF  .~.~> Offset firebox
121  DF  .~.~> Return fire tube {1}
123  DF  .~.~> Separate compartment
124  DF  .~.~> Side magazine
125  DF  .~.~> Top water chamber
126  DF  .~.~> Water firebox {2}
*  DD  .~.~> Water grate {1}
130  DF  .~.~> Water tube {3}
115  DF  .~.~> Fluid fuel

DEFINITION

Classification: 122/114

(under subclass 44) Devices placed in vertical position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13, 15, 16, and 17, for "stand boilers" or "range boilers" provided with vertical fire tubes.

20, for boilers having auxiliary water heaters.

37, for vertical fire tube boilers having separate boiler compartments which may or may not be in communication with each other (one of which compartments may be used as a water heater and the other as a steam generator.)

40+, for flash boilers with vertical fire tubes.

42+, for combinations of water tube and fire tube boilers of a miscellaneous character. 48, for combinations of fire tube boilers with vertical flue boilers or fire tube boilers having a large vertical flue of a miscellaneous character.

49, for boilers having both horizontal and vertical tubes.

110, for horizontally disposed boilers with transverse vertical fire tubes.

115, and 119, for vertical cylindrical boilers with vertical fire tubes.

178+, for vertical cylindrical fire tubes above and in alinement with a vertical flue in the boiler.