IPC Subgroup
F03D 9/39 by circulation or vortex formation
Introduced: January 2016
Full Title
Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations > Wind motors specially adapted for installation in particular locations > on stationary objects or on stationary man-made structures > within towers, e.g. using chimney effects > with means for enhancing the air flow within the tower, e.g. by heating > by circulation or vortex formation
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- Subclass:
- WIND MOTORS