Patent ID: 9637401
Date: 2017-05-02
CPC Classifications: A01K,B01F,C02F,Y02W

Claim:
1. A combination water pump and air pump for simultaneously circulating and aerating water, comprising: a housing having a first end defining a first chamber having an inlet for water to be drawn into said first chamber and an outlet for water to exit said first chamber, said housing having an opposite second end defining a second chamber having an inlet for water to be drawn into said second chamber, means to draw air into said second chamber, and an outlet for aerated water to exit said second chamber; a rotatable shaft extending through said housing, having a first end and an opposite second end; a first rotatable impeller for circulating water, disposed within said first chamber and connected to said first end of said shaft, and a second rotatable impeller for aerating water, disposed within said second chamber and connected to said second end of said shaft, wherein rotation of said shaft simultaneously rotates said first and second impellers to circulate water within said first and said second chambers, respectively; and means to rotate said shaft.