US 12,281,490 B2
Chlorinators and replaceable cell cartridges therefor
Patrick Chen, North Kingstown, RI (US); Douglas M. Sawyer, Jr., Seekonk, MA (US); and James Carter, Rehoboth, MA (US)
Assigned to Hayward Industries, Inc., Charlotte, NC (US)
Filed by Hayward Industries, Inc., Charlotte, NC (US)
Filed on Dec. 18, 2018, as Appl. No. 16/223,500.
Application 16/223,500 is a division of application No. 13/561,836, filed on Jul. 30, 2012, granted, now 10,156,081, issued on Dec. 18, 2018.
Claims priority of provisional application 61/513,372, filed on Jul. 29, 2011.
Prior Publication US 2019/0119937 A1, Apr. 25, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. E04H 4/12 (2006.01); C02F 1/467 (2023.01); C25B 1/24 (2021.01); C25B 1/245 (2021.01); C25B 9/00 (2021.01); C02F 103/42 (2006.01); C25B 15/02 (2021.01)
CPC E04H 4/1281 (2013.01) [C02F 1/4674 (2013.01); C25B 1/245 (2013.01); C25B 9/00 (2013.01); C02F 2103/42 (2013.01); C02F 2201/006 (2013.01); C02F 2201/4615 (2013.01); C02F 2209/005 (2013.01); C25B 15/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A chlorinator comprising:
a body installable inline with a piping of a pool or a spa system; and
a replaceable cartridge receivable within said body, said replaceable cartridge having a cartridge cap defining a first cavity and a cartridge body attached to and depending from the cartridge cap, the cartridge cap and the cartridge body defining a second cavity positioned below the first cavity, a plurality of electrically-charged plates positioned within the second cavity and at least partially housed by the cartridge body, and a printed circuit board in electrical communication with said plurality of electrically-charged plates, said printed circuit board including a non-volatile memory for storing information relating to operation of said replaceable cartridge, said printed circuit board and said non-volatile memory positioned within the first cavity, said cartridge cap defined at least in part by an annular side wall and a bottom wall extending between the annular side wall, the bottom wall and the annular side wall positionable within the body of the chlorinator such that the annular side wall abuts an inner surface of the body of the chlorinator,
wherein the cartridge body and at least a portion of the cartridge cap are positionable within the body of the chlorinator.