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PCE
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DIFF Subgroup
F02B 31/06

Movable means, e.g. butterfly valves

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Modifying induction systems for imparting a rotation to the charge in the cylinder > by means within the induction channel, e.g. deflectors > Movable means, e.g. butterfly valves

CPC:

Modifying induction systems for imparting a rotation to the charge in the cylinder (air intakes or induction systems for internal-combustion engines F02M35/10) > by means within the induction channel, e.g. deflectors > Movable means, e.g. butterfly valves

No child classifications to compare. This is a leaf node in both IPC and CPC.