IPIQ

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F02

COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

F02B

INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL

37/00

Engines characterised by provision of pumps driven at least for part of the time by exhaust

F02B37/013

with exhaust-driven pumps arranged in series