Process and apparatus for supplying additives at controlled rate

Details Process and apparatus for supplying additives at controlled rate Process and apparatus for supplying additives at controlled rate

1988-05-27

1990-04-03

Cohan, Alan

Fluid handling

With means for separating solid material from the fluid

137587, 137605, 138 42, 251127, F15D 102

Patent

active

049131885

ABSTRACT:
This invention relates to a process and apparatus for supplying additives at very low, exactly controlled rates to a liquid or gaseous fluid by means of a rate control element consisting of a highly porous sintered material. Such an apparatus is simple in structure and can be used for a reliable supply at very low rates, which are exactly controlled.

REFERENCES:
patent: 2318206 (1943-05-01), Eisenlohr
patent: 2620234 (1950-12-01), Schaich
patent: 3042079 (1962-07-01), Swift
patent: 3384103 (1968-05-01), Lansky
patent: 3490561 (1970-01-01), Colgan
patent: 4062424 (1977-12-01), Lyden

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