Patent ID: 7687785
Filing Date: 2010-03-30
Classification: A61L,C02F,Y10T

Abstract:
1. A UV sterilizer with a double-chamber structure, characterized in that the sterilizer comprises an outer tube and an inner tube with different size, the inner tube being partly surrounded by the outer tube thereby forming an inner chamber and an outer chamber; the inner chamber is the space encircled by the inner tube and the outer chamber is the annular space encircled by the overlapped portions of the inner tube and the outer tube; at least one sleeved UV lamp is arranged in the outer chamber such that the at least one sleeved UV lamp is closer than the inner tube to an inner wall of the outer tube; a first end portion of the inner tube is located outside the outer chamber and provided with a first water port, a second end portion of the inner tube is located inside the outer chamber and provided with a second water port communicating with the outer chamber; a first end portion of the outer tube is sealingly connected with the outer wall of the inner tube, while a second end portion of the outer tube is sealed; a third water port is provided on the outer tube.