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:
Jul. 03, 2012
Filed:
Sep. 18, 2009
Hee Jong Lee, Daejeon, KR;
Byung Sik Yoon, Daejeon, KR;
Sung Nam Choi, Daejeon, KR;
Min Woo Nam, Daejeon, KR;
Hee Jong Lee, Daejeon, KR;
Byung Sik Yoon, Daejeon, KR;
Sung Nam Choi, Daejeon, KR;
Min Woo Nam, Daejeon, KR;
Korea Hydro & Nuclear Power Co., Ltd., Seoul, KR;
Abstract
Disclosed is an underwater CCD camera for visual testing of a reactor cooling system. The underwater CCD camera includes a CCD camera, a casing having a supporter supporting the CCD camera and a cooling pin on a top surface thereof, a Pb-glass window on a front side of the easing to shield the CCD camera from radiation and to reduce a temperature difference between the interior and exterior of the casing, a sealing O-ring preventing a coolant from being introduced into a gap between the Pb-glass window and the casing, a sealing nut providing a fastening force to bring the Pb-glass window into close contact with the sealing O-ring, a rear cap, a silicon O-ring preventing the coolant from being introduced into a gap between the rear cap and the casing, and a fastening nut providing a fastening force to prevent leakage between a camera cable and the casing.