US PATENT SUBCLASS 62 / 144
.~.~.~.~ Plural unit sequence or alternation

Current as of: June, 1999
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62 /   HD   REFRIGERATION

132  DF  AUTOMATIC CONTROL {19}
141  DF  .~ Of closed system sorbent type {2}
142  DF  .~.~ Discontinuous operation of refrigerant or sorbent container unit {1}
143  DF  .~.~.~ Of intermittent generator-sorber unit {2}
144.~.~.~.~ Plural unit sequence or alternation {1}
145  DF  .~.~.~.~.~> Serially connected type

DEFINITION

Classification: 62/144

(under subclass 143) Apparatus comprising at least two

sorbent containing units controlled for alternate or sequential generation or sorption.