F02B 39/02 Drives of pumps (exhaust drives or combined exhaust and other drives F02B37/00); Varying pump drive gear ratio
Introduced: September 1968
Title
Titles differ between systems:
IPC: Drives of pumps; Varying pump drive gear ratio
CPC: Drives of pumps (exhaust drives or combined exhaust and other drives F02B37/00); Varying pump drive gear ratio
Full Title
Full titles differ between systems:
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
Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00 > Drives of pumps (exhaust drives or combined exhaust and other drives F02B37/00); Varying pump drive gear ratio
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F02B 39/04 Mechanical drives; Variable-gear-ratio drives (non-mechanical pump drives having variable gear ratio F02B39/08) IPC+CPC Available in IPC and CPC
- F02B 39/08 Non-mechanical drives, e.g. fluid drives having variable gear ratio +1 CPC IPC+CPC Available in IPC and CPC
- F02B 39/12 Drives characterised by use of couplings or clutches therein (using fluid slip couplings for varying gear ratio F02B39/08) IPC+CPC Available in IPC and CPC