Apparatus for transfer of powder into high-pressure vessel and m

Details Apparatus for transfer of powder into high-pressure vessel and m Apparatus for transfer of powder into high-pressure vessel and m

1976-11-12

1978-11-28

Reeves, Robert B.

Fluent material handling, with receiver or receiver coacting mea

Processes

Gas or variation of gaseous condition in receiver

222216, 222361, G01F 1118

Patent

active

041271513

ABSTRACT:
An apparatus for the transfer of powder into a high-pressure vessel comprises a cylinder, two pistons disposed one on top of the other inside said cylinder and two openings formed in the circular wall of the cylinder, the one opening serving as an inlet for entry of the powder and the other opening serving as an outlet for exit of the powder into the high-pressure vessel. The transfer of powder from the powder hopper into the high-pressure vessel by use of said apparatus is accomplished by a method which comprises connecting the inlet of said apparatus to the discharge tube of the powder hopper and the outlet of the apparatus to the powder lead tube of the high-pressure vessel respectively, driving the two pistons so as to interpose a space therebetween communicating with the inlet opening, then moving the pistons in unison for thereby causing said space to move down the cylinder interior to a position in communication with the outlet opening so that the powder in the space can fall into the high-pressure vessel and then driving the pistons together to eliminate the space between them.

REFERENCES:
patent: 1574813 (1926-03-01), Hafner
patent: 1789051 (1931-01-01), Opitz
patent: 3285669 (1966-11-01), Clark
patent: 3521793 (1970-07-01), McShirley
patent: 3994418 (1976-11-01), Andersson

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