Descriptions for F04F and notes/indexes are displayed on this screen.
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PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED (containers or packages with special means for dispensing liquid or semi-liquid contents by internal gaseous pressure B65D 83/14); SIPHONS[2]
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Note(s)
Attention is drawn to the Notes preceding class F01.Combinations of pumps covered by this subclass with other pumps are only classified in this subclass if such other pumps are intended for preliminary pumping for diffusion pumps.
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Subclass indexes
PUMPS USING PRESSURE OR FLOW OF ANOTHER FLUID | 1/00, 5/00 | PUMPS USING NEGATIVE PRESSURE; PUMPS USING INERTIA OF THE FLUID | 1/00, 3/00; 7/00 | DIFFUSION PUMPS, E.G. WITH FORE PUMPS | 9/00 | SIPHONS; OTHER PUMPS | 10/00; 99/00 | PRESSURE EXCHANGERS | 13/00 | JET-PUMP INSTALLATIONS | 5/54 |
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