by changing the phase relationship between the actuating cam and the distributing means

Introduced: January 2020

Full Title

Full titles differ between systems:

IPC:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders > having cylinders in star- or fan-arrangement > Control > by changing the phase relationship between the actuating cam and the distributing means

CPC:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (machines or pumps with pistons coacting within one cylinder F04B3/00) > having cylinders in star- or fan-arrangement > Control > by changing the phase relationship between the actuating cam and the distributing means

No child classifications to compare. This is a leaf node in both IPC and CPC.