Fuel assembly spacer within the coolant duct

Details Fuel assembly spacer within the coolant duct Fuel assembly spacer within the coolant duct

1977-04-26

1978-08-29

Nelson, Peter A.

176 76, G21C 330

Patent

active

041101600

ABSTRACT:
A fuel assembly spacer for a nuclear reactor, the spacer having a plurality of spring with a uniform spring strength and arranged symmetrically around the outer periphery of the spacer so that the fuel assembly can be coaxially disposed with respect to a coolant duct. This spacer serves to maintain as uniform a gap as possible between the inner wall of the coolant duct and each outermost fuel rod in the fuel assembly so that the flow of the coolant keeps it symmetry in the section of the coolant duct, thereby improving the thermal performance of the fuel assembly.

REFERENCES:
patent: 3431171 (1969-03-01), Glandin
patent: 3442763 (1969-05-01), Chetter et al.
patent: 3607640 (1971-09-01), Krawiec
patent: 3654077 (1972-04-01), Lass et al.
patent: 3674638 (1972-07-01), McGregor
patent: 3679546 (1972-07-01), Muellner et al.
patent: 3697375 (1972-10-01), Suvanto et al.
patent: 3702803 (1972-11-01), Huebotter
patent: 3746617 (1973-07-01), Iwao et al.
patent: 3751335 (1973-08-01), Keith
patent: 3767525 (1973-10-01), Selm et al.
patent: 3816247 (1974-06-01), Cayol et al.
patent: 3932216 (1976-01-01), Jabsen

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