IPC Subgroup
F04B 1/04 having cylinders in star- or fan-arrangement
Introduced: September 1968
Last revised: January 2020
Full Title
Multi-cylinder machines or pumps 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
5 direct subcodes
Child Classifications
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- F04B 1/0404 Details or component parts
- F04B 1/047 with actuating or actuated elements at the outer ends of the cylinders
- F04B 1/053 with actuating or actuated elements at the inner ends of the cylinders
- F04B 1/06 Control
- F04B 1/1 the cylinders being movable, e.g. rotary