Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F04
POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
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F04C
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
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14/00
Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
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F04C14/18
characterised by varying the volume of the working chamber
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F04C14/22
by changing the eccentricity between cooperating members
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F04C14/226
by pivoting the cam around an eccentric axis
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