with toothed rotary pistons

Introduced: January 1980

Last revised: January 2006

Full Title

Rotary-piston pumps specially adapted for elastic fluids > of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing > of other than internal-axis type > with toothed rotary pistons

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

3 direct subcodes

Child Classifications

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F04C 18/16 with helical teeth, e.g. chevron-shaped, screw type
F04C 18/18 with similar tooth forms
F04C 18/2 with dissimilar tooth forms