The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 04, 1981
Filed:
May. 25, 1979
Kiyozumi Hayashi, Toride, JP;
Kazushige Domoto, Yokohama, JP;
Doryokuro Kakunenryo Kaihatsu Jigyodan, Tokyo, JP;
Abstract
A nuclear fuel element is provided which comprises a cladding tube having end plugs for sealing ends of the cladding tube and a multiplicity of fuel pellets stacked within the cladding tube. Each of the fuel pellets has a substantially cylindrical external lateral surface and a plurality of longitudinal recesses having rounded root portions on the external lateral surface, and has a height within the range from 1/2 to 1/3 of the outer diameter thereof. These fuel pellets with the floral petal shape are stacked in such a manner that the recesses of one pellet are not aligned with the recesses of adjacent upper and/or lower pellets.