US PATENT SUBCLASS 159 / 27.1
.~.~.~ Vertical

Current as of: June, 1999
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159 /   HD   CONCENTRATING EVAPORATORS

22  DF  CLOSED EVAPORATING CHAMBERS {4}
23  DF  .~ Indirectly heated {4}
26.1  DF  .~.~ Heated tube {2}
27.1.~.~.~ Vertical {4}
27.2  DF  .~.~.~.~> Detached separator
27.3  DF  .~.~.~.~> Multieffect in one casing
27.4  DF  .~.~.~.~> Downflow
27.5  DF  .~.~.~.~> Floating calandria

DEFINITION

Classification: 159/27.1

Vertical:

(under subclass 26.1) Closed vessels in which the liquid-containing heated tube or tubes are vertically arranged.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

332+, for water tube boilers in which the tubes are vertically arranged.