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PCE
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DIFF Subgroup
F04F 1/04

generated by vaporising and condensing

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped > using both positively and negatively pressurised fluid medium, e.g. alternating > generated by vaporising and condensing

CPC:

Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped (using only negative pressure F04F3/00; jet pumps F04F5/00; siphons F04F10/00) > using both positively and negatively pressurised fluid medium, e.g. alternating > generated by vaporising and condensing

No child classifications to compare. This is a leaf node in both IPC and CPC.