Hot valve for submerged pump system

Details Hot valve for submerged pump system Hot valve for submerged pump system

1995-02-17

1997-02-11

Denion, Thomas E.

Fluid handling

Systems

With pump

13762544, 137875, 5274912, 1263435A, F16K 120

Patent

active

056011130

ABSTRACT:
An improved hot valve system for use in a hot melting kettle of the type used for substances such as asphalt includes a surge chamber having a first outlet in fluid communication with a vertical discharge pipe, and a second outlet open to the interior of an asphalt kettle. The surge chamber has a diameter greater than that of the discharge pipe. Molten asphalt within the kettle is pumped into the surge chamber via a pipe connected to the output flow from a submerged pump. A manually operable valve has a closed condition in which it blocks the flow of asphalt through the second outlet in the surge chamber to compel the flow of asphalt through the vertical discharge pipe, and an opened condition in which asphalt flows out the second outlet and into the kettle.

REFERENCES:
patent: 825694 (1906-07-01), Barbaroux
patent: 1065467 (1913-06-01), Piel
patent: 1081744 (1913-12-01), Hubbard
patent: 2368120 (1945-01-01), Downey
patent: 4247022 (1981-01-01), Fung et al.

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