Patent ID: 7682129
Filing Date: 2010-03-23
Classification: B01D,F04D

Abstract:
1. A filtration device combined with self-priming pump, comprising a pump unit, which is a valveless construction self-priming pump without a check valve, including: a suction port, a suction chamber, an impeller, a self-priming chamber, a discharge port from an upstream of a channel to a downstream thereof in this order; the suction port and the discharge port being arranged above a level of the suction chamber and the impeller; the self-priming chamber being arranged above a level of the suction port and the discharge port; and a filtration unit arranged on a channel between the self-priming chamber and the discharge port and above a level of the self-priming chamber; and a filter arranged inside of the filtration unit and above a level of residual liquid inside of the pump unit at a time of suspending of the pump unit.