IPC Subgroup
F04B 1/06 Control
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 > Control
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 1/063 by using a valve in a system with several pumping chambers wherein the flow-path through the chambers can be changed, e.g. between series and parallel flow
- F04B 1/066 by changing the phase relationship between the actuating cam and the distributing means
- F04B 1/07 by varying the relative eccentricity between two members, e.g. a cam and a drive shaft
- F04B 1/08 regulated by delivery pressure