with driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge, e.g. with cell-type pressure exchangers

Full Title

Engines characterised by provision of pumps for charging or scavenging > Engines with pumps other than of reciprocating-piston type (with crankcase pumps F02B33/02) > with driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge, e.g. with cell-type pressure exchangers