Patent ID: 7901177

Claim:
A pump configured to discharge fluids through different outlets with different output characteristics, comprising: a pump housing having a fluid inlet in the pump housing for receiving a fluid for pumping; a first pumping chamber in fluid communication with the fluid inlet through a first inlet channel; a second pumping chamber in fluid communication with the fluid inlet through a second inlet channel; a first fluid discharge outlet in fluid communication with the first pumping chamber for discharging a fluid; a second fluid discharge outlet in fluid communication with the second pumping chamber for discharging a fluid; wherein the fluid discharged from the first fluid discharge outlet has different output characteristics than the fluid discharged from the second fluid discharge outlet; and a third fluid discharge outlet in which a fluid is discharged at a pressure lower than the pressure at which the fluid discharged from the second fluid discharge outlet, thereby forming a high pressure outlet at the first fluid discharge outlet, an intermediate pressure outlet at the second fluid discharge outlet, and a low pressure outlet at the third fluid discharge outlet; wherein the third fluid discharge outlet is coupled to the second pumping chamber and positioned between the intermediate pressure outlet and the inlet.