Patent ID: 7679906
Filing Date: 2010-03-16
Classification: H02M,H05K

Abstract:
1. An external AC power adapter, comprising: a housing defining a first compartment and a second compartment separated from a third compartment by a platform, wherein the platform includes a first passage providing a first airway between the first compartment and the third compartment and a second passage providing a second airway between the second compartment and the third compartment, the third compartment containing electrical components for converting an AC input to a DC output; a first barrier extending upward from the platform for preventing liquid that enters the first compartment from traveling through the first airway into the third compartment, the first barrier having a circular cross section; a second barrier extending upward from the platform for preventing liquid that enters the second compartment from traveling through the second airway into the third compartment, the second barrier having a circular cross section; and a blower for generating an air flow within the third compartment; wherein the first compartment includes a first side wall, a second side wall, a first end wall, and a second end wall, the first end wall is a divider between the first compartment and the second compartment; the first and second side walls each contain at least one drain hole proximate the first wall; and the second end wall contains at least one air inlet vent hole.