Patent ID: 7210902
Filing Date: 2007-05-01
Classification: F04D

Abstract:
1. A two-way air pump comprising: a housing confining an air control chamber and formed with a valve hole, an air outlet and an air inlet; an air flow controller confining an air impeller chamber, formed with a hole set, mounted rotatably in said air control chamber, and rotatable between inflating and deflating portions, wherein, a check valve mounted in said valve hole and movable between control-enabled and control-disabled positions, wherein, a valve actuator provided on said air flow controller for driving said check valve to the control-disabled position when said air flow controller is rotated to the deflating position; an air impeller mounted rotatably in said air impeller chamber; and a drive unit coupled to said air impeller for driving rotation of said air impeller in said air impeller chamber.