Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within... – Fuel component
Patent
1984-05-30
1987-02-03
Terapane, John F.
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
Fuel component
277 3, 277 27, 277212FB, G21C 1902, F16J 1532, F16J 1540, F16J 1548
Patent
active
H00002097
ABSTRACT:
Disclosed is a discharge assembly for allowing elongate pins to be discharged from an area of relatively low pressure to an area of relatively greater pressure. The discharge assembly includes a duck valve having a lip piece made of flexible material. The flexible lip piece responds to a fluctuating pressure created downstream by an aspirator. The aspirator reduces the downstream pressure sensed by the duck valve when the discharge assembly is in the open position. This allows elongate pins to be moved through the duck valve with no backflow because the aspirator pressure is less than the pressure in the low pressure area from which the pins originate. Closure of the assembly causes the aspirator static pressure to force the flexible duck valve lip piece into a tightly sealed position also preventing backflow. The discharge assembly can be easily controlled using a single control valve which blocks the flow of aspirator gas and closes the pin passageway extending through the assembly.
REFERENCES:
patent: 3822720 (1974-07-01), Souza
patent: 4135550 (1979-01-01), Andersson
patent: 4548347 (1985-10-01), Christensen et al.
Hightower Judson R.
Jorgensen Eric
Southworth III Robert
Terapane John F.
The United States of America as represented by the United States
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