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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||432/244; 292/307.R; 277/358; 277/390; 277/391|
|발명자 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 6|
A multiple-piece seal is used for a cure oven circulating fan. The seal may be readily positioned along the length of the shaft to control the small clearance between the rotating seal and the oven such that there is no contact between the seal and the oven, but the flow of heated air from the oven is substantially reduced and redirected away from the bearings of the circulating fan. The multiple-piece design permits seal replacement without having to disassemble the shaft, so that the seal may be replaced entirely from the outside of the oven, saving su...
1. An oven, comprising: a heated chamber, defining a top wall, an exterior, and an interior; an opening through said top wall; a pipe extending through said opening and including a portion which projects a short distance above the top wall; a drive shaft extending through said pipe, from the exterior of said heated chamber to the interior of said heated chamber; a drive mounted on said drive shaft outside of said heated chamber; a fan mounted on said drive shaft inside of said heated chamber; and a seal mounted on said drive shaft outside of sai...