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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F04B
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
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27/00
Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
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F04B27/08
having cylinders coaxial with, or parallel or inclined to, main shaft axis
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F04B27/16
of pumps with stationary cylinders
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F04B27/18
by varying the relative positions of a swash plate and a cylinder block
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F04B27/1804
Controlled by crankcase pressure
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F04B2027/184
Valve controlling parameter
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