IPC Subgroup
F02B 39/04 Mechanical drives; Variable-gear-ratio drives
Introduced: September 1968
Last revised: January 2006
Full Title
Component parts, details, or accessories relating to driven charging or scavenging pumps, not provided for in groups > Drives of pumps; Varying pump drive gear ratio > Mechanical drives; Variable-gear-ratio drives
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
1 direct subcode
Child Classifications
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- F02B 39/06 the engine torque being divided by a differential gear for driving a pump and the engine output shaft