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F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
F04C29/02—Lubrication; Lubricant separation
F04C29/023—Lubricant distribution through a hollow driving shaft
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Engineering & Computer Science
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FR523933A1920-08-141920-08-14Perfectionnements dans les compresseurs d'air rotatifs
ExpiredFR523933A
(fr)