Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling (controlling or rendering inoperative by varying inlet or exhaust valve operating characteristics F02D13/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Controlling engines by cutting-out individual cylinders; Rendering engines inoperative or idling

CPC: Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling (controlling or rendering inoperative by varying inlet or exhaust valve operating characteristics F02D13/00)

Full Title

Full titles differ between systems:

IPC:

Controlling engines by cutting-out individual cylinders; Rendering engines inoperative or idling

CPC:

Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling (controlling or rendering inoperative by varying inlet or exhaust valve operating characteristics F02D13/00)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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F02D 17/02 Cutting-out (cutting-out engines in multiple engine arrangements F02D25/04) +1 CPC IPC+CPC Available in IPC and CPC
F02D 17/04 rendering engines inoperative or idling, e.g. caused by abnormal conditions (dependent on lubricating conditions F01M1/22; dependent on cooling F01P5/14) IPC+CPC Available in IPC and CPC