(under subclass 41.01) Cooling systems including matter other than heat exchange jackets or casings for the combustion chambers, valves, pistons or their immediate associated parts or the heat exchange elements of the same as fins or air passages.
(1) Note. Included are miscellaneous heat dissipators for liquid coolants including those involving a secondary liquid coolant, automatic devices not concerned with coolant, flow, combinations with external power and/or heat using devices, i.e., auxiliary power plants, filters, etc.
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2, for internal combustion engines in which the heat energy imparted to the cooling medium is utilized for generating steam for general purposes.
41.02+, for automatic coolant flow control.
41.13, for interrelated coolant flow and throttle control.
41.15, for combined indicator and safety devices. 41.31, for cooling of parts in addition to cooling of cylinders, valves and pistons.
41.44+, for combined flow causing means.
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126, Stoves and Furnaces,
204+, for devices in which the heat energy imparted to the cooling medium is utilized for warming purposes.
