Injection of additives into liquid streams

Details Injection of additives into liquid streams Injection of additives into liquid streams

1976-12-10

1978-06-06

Vrablik, John J.

Rotary expansible chamber devices

With plural working fluid inlet or outlet passages

418206, 366272, F01C 118, F01C 2112, F04C 108, B01F 514

Patent

active

040934071

ABSTRACT:
A gear pump is modified by the incorporation of a hollow rod means to permit a liquid additive to be injected into the gear pump at the point at which the gear wheels separate. At this point the pressure is at or below atmospheric pressure and, as a result, the additive can be added uniformly and independently of the pumped liquid flow and pressure.

REFERENCES:
patent: 1834976 (1931-12-01), Schmidt
patent: 1923268 (1933-08-01), Jensen
patent: 3291060 (1966-12-01), Bottoms
patent: 3420180 (1969-01-01), Behrends et al.
patent: 3628893 (1971-12-01), Carpigiani
patent: 3764238 (1973-10-01), Carpigiani

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