IPC Main Group
F04B 27/00 Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- Subclass:
- POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
Scope Notes
Limiting references: Multi-stage pumps specially adapted for elastic fluids | Application references: Pumps for raising fluids from great depths
4 direct subcodes
Child Classifications
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- F04B 27/02 having cylinders arranged oppositely relative to main shaft
- F04B 27/04 having cylinders in star- or fan-arrangement
- F04B 27/08 having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B 27/24 Control not provided for in a single group of groups