F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F05 INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
F05D INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2260/00 Function
F05D2260/20 Heat transfer, e.g. cooling
F05D2260/221 Improvement of heat transfer
F05D2260/2214 by increasing the heat transfer surface
F05D2260/22141 using fins or ribs