IPC Subgroup
F04F 1/18 the fluid medium being mixed with, or generated from, 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 being mixed with, or generated from, 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
1 direct subcode
Child Classifications
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- F04F 1/2 specially adapted for raising liquids from great depths, e.g. in wells