US 12,139,429 B2
Scaling treatment systems for water heaters
Taylor Leigh, Alpharetta, GA (US); Jason Lye, Atlanta, GA (US); Atilhan Manay, Montgomery, AL (US); Stephen Phelps, Lilburn, GA (US); Troy Trant, Montgomery, AL (US); Jon Thomas, Atlanta, GA (US); Prudhvi Amaravadhi, Montgomery, AL (US); Edward Holman, Atlanta, GA (US); and Fahira Sangare, Atlanta, GA (US)
Assigned to Rheem Manufacturing Company, Atlanta, GA (US)
Filed by Rheem Manufacturing Company, Atlanta, GA (US)
Filed on Dec. 7, 2020, as Appl. No. 17/113,211.
Prior Publication US 2022/0177338 A1, Jun. 9, 2022
Int. Cl. C02F 5/08 (2023.01); F24D 19/00 (2006.01); F28G 9/00 (2006.01); C02F 103/02 (2006.01)
CPC C02F 5/086 (2013.01) [F24D 19/0092 (2013.01); F28G 9/00 (2013.01); C02F 2103/02 (2013.01); C02F 2209/006 (2013.01); C02F 2209/40 (2013.01); C02F 2301/043 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A liquid dosing system comprising:
an inlet conduit directly connected to a water source and an inlet of a heat exchanger of a water heater;
an outlet conduit directly connected to an outlet of the heat exchanger;
a reservoir configured to store an additive;
a first connector conduit directly connected to the outlet conduit and to the reservoir, and a second connector conduit directly connected to the reservoir and to the inlet conduit such that a fluid circuit is defined by at least the inlet conduit, the heat exchanger, the outlet conduit, the first connector conduit, the second connector conduit, and the reservoir;
a dosing device configured to dispense the additive into the fluid circuit; and
a pump configured to pump water through the fluid circuit.