Patent ID: 6453147
Filing Date: 2002-09-17
Classification: G03G

Abstract:
A system for controlling air flow within a housing comprising:at least one moveable surface within the housing, the at least one movable surface creating an air flow from a first portion of the housing to a second portion of the housing; a first member positioned in the first portion of the housing near the at least one movable surface within the housing such that the air flow is directed by the first member; a plurality of openings within the housing that allows air to traverse the openings, the openings including a first opening near the first member to allow air into the housing from the air flow caused by the at least one movable surface and a second positioned at an opposite side of the housing to allow air out of the housing from the air flow caused by the at least one movable surface; and whereby, air traverses the openings under control of the air flow without requiring additional forces.