High density liquid dispenser

Details High density liquid dispenser High density liquid dispenser

1976-02-13

1977-07-12

Tollberg, Stanley H.

Dispensing

With heating or cooling means

Cooling only

141298, 222509, B67D 562

Patent

active

040348970

ABSTRACT:
A dispenser for high density liquids such as barium sulphate comprising a housing with a bowl seated on the housing and containing the liquid. Refrigeration coils in the bowl chill the liquid, and a variable speed paddle type pump also in the bowl mixes and circulates the liquid about the refrigeration coils and maintains the mixture in suspension. A dispensing valve assembly includes a body having a passage which extends axially through it and a vent tube that extends upwardly from the body. The vent tube and body prevent build up of the liquid about the valve which otherwise would dry and cause valve blockage.

REFERENCES:
patent: 545284 (1895-08-01), Green
patent: 985312 (1911-02-01), Woods
patent: 2607519 (1952-08-01), Sandborn
patent: 2879810 (1959-03-01), Craig
patent: 2901009 (1959-08-01), Potter
patent: 2954806 (1960-10-01), Kerr
patent: 3269606 (1966-08-01), Armstrong

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