(under subclass 41.01) Cooling systems which are capable of operating in more than one way or of changing from the use of one coolant to another, as air, vapor, liquid, and having means for changing the system to adapt it to the coolant or mode of operation selected, or having means for substituting tanks for radiators or making other equivalent changes.
SEE OR SEARCH THIS CLASS, SUBCLASS:
41.2, for vapor systems which are converted to liquid systems or vice versa merely by adding more liquid or according to the heat developed, without change or adjustment of the physical structure.
