Liquid purification or separation – Particulate material type separator – e.g. – ion exchange or... – With spaced non-particulate separating means
Patent
1986-10-07
1988-06-07
Cintins, Ivars
Liquid purification or separation
Particulate material type separator, e.g., ion exchange or...
With spaced non-particulate separating means
210472, B01D 2326
Patent
active
047494840
ABSTRACT:
A water filter apparatus is provided, which is especially useful in filtering out chemicals from tap water. The filter includes upper and lower vessels and a filter assembly between them which includes activated charcoal for adsorbing chemicals. The filter assembly includes a filter housing with inlet holes near the bottom of the upper vessel and a filter vent near the top of the upper vessel for releasing gas produced during filtering through the activated charcoal. A ring-shaped preliminary filter lies around the inlet holes, to avoid blocking the upward passage of gas through the vent. The filter extends partially through the holes, to lie closely along the path of upwardly-flowing gas bubbles, so the bubbles tend to drag along gas forming at the inside of the preliminary filter. A cap assembly on the upper vessel permits the escape of vented gas while avoiding splashing. The container is preferably placed in a refrigerator during filtering, to aid in adsorption of chemicals.
REFERENCES:
patent: 1645712 (1927-10-01), Meyers
patent: 1696487 (1928-12-01), Jervis
Cintins Ivars
Shapiro/Devine
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