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IPC Subgroup
F04B 27/04

having cylinders in star- or fan-arrangement

Introduced: September 1968

Last revised: January 2006

Full Title

Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders > having cylinders in star- or fan-arrangement

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

4 direct subcodes

Child Classifications

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  • F04B 27/047 with an actuating element at the outer ends of the cylinders
  • F04B 27/053 with an actuating element at the inner ends of the cylinders
  • F04B 27/06 the cylinders being movable, e.g. rotary