US PATENT SUBCLASS 96 / 109
.~ With control means responsive to sensed condition

Current as of: June, 1999
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96 /   HD   GAS SEPARATION: APPARATUS

108  DF  SOLID SORBENT APPARATUS {14}
109.~ With control means responsive to sensed condition {4}
110  DF  .~.~> Fluid flow sensing means
111  DF  .~.~> Concentration sensing means
112  DF  .~.~> Temperature sensing means
113  DF  .~.~> Pressure sensing means {1}

DEFINITION

Classification: 96/109

With control means responsive to sensed condition:

(under subclass 108) Apparatus in which means are provided to detect an apparatus or process characteristic or a change therein and to control or regulate operation of the apparatus or process based upon the detected characteristic or change therein.

(1) Note. In this subclass and the subclasses indented hereunder, a single means may be used both to detect the characteristic or a change therein and to implement an action in the apparatus or process based upon the detected characteristic or change therein. There must be a positive action made by the means because of the detected characteristic or change therein. An example is a pressure relief valve in which a certain pressure must be reached before the valve opens to relieve pressure differential across the valve. Another example is a thermostat with a bimetallic element in which a certain temperature must be reached before the element is deformed enough to trip a switch, thus implementing a control action in the apparatus as a result of the temperature or change therein. A third example is a separating medium which experiences a change in

mass due to accumulation of a separated constituent, causing the separating medium to move to a position of nonuse or regeneration. Apparatus in which no positive action is made by the single means as a result of the detected characteristic or change therein is not classified in this subclass or the subclasses indented hereunder, but is classified below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

18+, for electrical precipitators with similar control means.

102, for chromatography type apparatus with similar control means.

115+, for solid sorbent apparatus with programmed, cyclic, or time responsive control means.

156+, for liquid degasifying means with similar control means. 397+, for other gas separation apparatus with automatic control means for gas or nongaseous constituent discharge.

417+, for other gas separation apparatus with signals, indicators, measuring, or testing means.

SEE OR SEARCH CLASS

95, Gas Separation: Processes,

1+, for gas separation processes with control responsive to sensed condition, subclass 25 for processes with recording or signaling condition, and subclass 26 for processes with timing of operation.