Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F04
POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
Load children
F04C
ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
Load children
28/00
Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
Load children Filter patents View analytics View as hierarchy
F04C28/24
characterised by using valves controlling pressure or flow rate, e.g. discharge valves; or unloading valves
Load children Filter patents View analytics View as hierarchy
F04C28/265
being obtained by displacing a lateral sealing face
Filter patents View analytics View as hierarchy