Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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F01C
ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
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1/00
Rotary-piston machines or engines
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F01C1/08
of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
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F01C1/12
of other than internal-axis type
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F01C1/126
with elements extending radially from the rotor body not necessarily cooperating with corresponding recesses in the other rotor, e.g. lobes, Roots type
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