(under subclass 39.01) Plants having means to cool engine
components other than those specifically provided for in preceding subclasses.
(1) Note. Patents classified herein include cooling of the engine casing, auxiliaries (e.g., starter motor, fuel pump, generator), and bearings not specifically disclosed or claimed as integral components of the compressor or turbine element.
(2) Note. An engine shaft is considered an element of either the compressor or motor, and coiling therefor is classified under the appropriate compressor or motor classification. However, cooling of a shaft bearing would be included herein.
SEE OR SEARCH THIS CLASS, SUBCLASS:
39.5, for cooling of the exhaust structure.
39.75, for cooling of the turbine and associated shaft.
39.82, for cooling of the igniter. 726+, for cooling of the oxidizer compressor and associated shaft.