the fluid medium acting on the surface of the liquid to be pumped

Introduced: September 1968

Last revised: January 2006

Full Title

Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped > the fluid medium acting on the surface of the liquid to be pumped

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
Subclass:: PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS

4 direct subcodes

Child Classifications

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F04F 1/08 specially adapted for raising liquids from great depths, e.g. in wells
F04F 1/1 of multiple type, e.g. with two or more units in parallel
F04F 1/14 adapted to pump specific liquids, e.g. corrosive or hot liquids
F04F 1/16 characterised by the fluid medium being suddenly pressurised, e.g. by explosion