IPIQ

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F02

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

F02P

IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES

5/00

Advancing or retarding ignition; Control therefor

F02P5/04

automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions

F02P5/05

using mechanical means

F02P5/10

dependent on fluid pressure in engine, e.g. combustion-air pressure

F02P5/12

dependent a specific pressure other than that of combustion-air, e.g. of exhaust, cooling fluid, lubricant