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PCE
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DIFF Main Group
F01L 15/00

Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 (valve drive or external valve-adjustment during operation, tripping-gear or tripping of valves F01L31/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups

CPC: Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 (valve drive or external valve-adjustment during operation, tripping-gear or tripping of valves F01L31/00)

Full Title

Full titles differ between systems:

IPC:

Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups

CPC:

Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 (valve drive or external valve-adjustment during operation, tripping-gear or tripping of valves F01L31/00)

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F01L 15/08 with cylindrical, sleeve, or part-annularly-shaped valves; Such main valves combined with auxiliary valves IPC+CPC Available in IPC and CPC
  • F01L 15/10 with main slide valve and auxiliary valve dragged thereby IPC+CPC Available in IPC and CPC
  • F01L 15/12 characterised by having means for effecting pressure equilibrium between two different cylinder spaces at idling IPC+CPC Available in IPC and CPC
  • F01L 15/18 Valves arrangements not provided for in preceding subgroups of this main group IPC+CPC Available in IPC and CPC
  • F01L 15/20 Component parts, details, or accessories, not provided for in preceding subgroups of this main group IPC+CPC Available in IPC and CPC