Varying fuel delivery in quantity or timing

Full Title

Pumps specially adapted for fuel-injection and not provided for in groups > Varying fuel delivery in quantity or timing

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

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

Subclass:

SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF

Child Classifications

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• F02M 59/22 Varying quantity by adjusting cylinder-head space
• F02M 59/24 with constant-length-stroke pistons having variable effective portion of stroke
• F02M 59/3 with variable-length-stroke pistons
• F02M 59/32 fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection
• F02M 59/34 by throttling of passages to pumping elements or of overflow passages
• F02M 59/36 by variably-timed valves controlling fuel passages