IPC Subgroup
F04C 3/04 of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
Introduced: January 1990
Last revised: January 2006
Full Title
Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members, e.g. of screw type > the axes being arranged at an angle of 90 degrees > of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- Subclass:
- ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS