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PCE
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DIFF Subgroup
F03C 2/22

of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member

Introduced: January 1980

Title

Titles differ between systems:

IPC: of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member

CPC: of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member

Full Title

Full titles differ between systems:

IPC:

Rotary-piston engines > of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member

CPC:

Rotary-piston engines (in which the liquid exclusively displaces one or more piston reciprocating in rotary cylinders F03C1/24) > of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member

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