IPC Main Group
B04C 1/00 Apparatus in which the main direction of flow follows a flat spiral
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- Subclass:
- APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES