IP Library › Granted Patent US 12,384,702
Granted Patent B2
US 12,384,702 · App. 18/515,705 · Granted Aug 12, 2025

Self-treating electrolytic biocide generating system with recirculation

Inventors: Louis Ciro Cosentino (Palm Beach Gardens, FL); Daniel L. Cosentino (Wayzata, MN); Brian Alan Golden (Eden Prairie, MN)
Assignee: ELECTROSEA, LLC
C02F1/4674B01D36/00B01D37/043B63J1/00C02F1/46104C02F1/004C02F2103/008C02F2103/08C02F2201/001C02F2201/008C02F2201/46145C02F2303/20
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Quick Facts
Patent No.
US 12,384,702
App. No.
18/515,705
Granted
Aug 12, 2025
Kind
B2
Abstract

The present disclosure relates to a biocide generating system for inhibiting bio-fouling within a water system of a watercraft. The water system is configured to draw water from a body of water on which the watercraft is supported. The biocide generating system includes an electrode arrangement adapted to be incorporated as part of an electrolytic cell through which the water of the water system flows. The water system is configured such that biocide treated water also flows to one or more components of the water system that are positioned upstream of the electrode arrangement.

Claims (36)

1. A biocide generating system, comprising:

a pump, the pump defining an upstream side of the pump, a downstream side of the pump, and an upstream to downstream direction extending from the upstream side of the pump to the downstream side of the pump when the pump is operating and the biocide generating system is installed in a watercraft;

an electrode arrangement configured to generate biocide, and positioned, relative to the upstream to downstream direction, downstream of a sea chest storage tank when the biocide generating system is installed in the watercraft;

a conduit arrangement including a recirculation conduit; and

a flow furcation component be positioned, relative to the upstream to downstream direction, downstream of the pump and upstream of a water system of the watercraft, the flow furcation component and conduit arrangement together being configured, by action of the pump when the biocide generating system is installed in the watercraft, to selectively direct water flowing through the system:

to flow in a closed loop from the sea chest storage tank to the electrode arrangement, and to flow from the electrode arrangement back to the sea chest storage tank via the recirculation conduit of the watercraft without flowing to the water system, and

to otherwise flow from the sea chest storage tank to the electrode arrangement, and to flow from the electrode arrangement into the water system.

2. The biocide generating system of claim 1 , further comprising a strainer.

3. The biocide generating system of claim 2 , wherein the strainer is positioned, relative to the upstream to downstream direction, upstream of the pump when the biocide generating system is installed in the watercraft.

4. The biocide generating system of claim 3 , wherein the strainer and the electrode arrangement are a single integrated component.

5. The biocide generating system of claim 3 , wherein the strainer and the electrode arrangement are standalone components.

6. The biocide generating system of claim 1 , wherein the electrode arrangement is configured to generate chlorine or a chlorine derivative when current is supplied to the electrode arrangement and salt water is contacting the electrode arrangement.

7. The biocide generating system of claim 6 , further comprising the water system, wherein the water system includes a heat exchanger.

8. The biocide generating system of claim 1 , further comprising a controller configured to control a position of the flow furcation component.

9. The biocide generating system of claim 8 , wherein the controller is configured to control operation of the electrode arrangement.

10. The biocide generating system of claim 9 , wherein the controller is configured to control operation of the pump.

11. The biocide generating system of claim 8 , wherein when the biocide generating system is installed in the watercraft the controller is configured to control the pump and the flow furcation component to pump water in the closed loop through the sea chest storage tank, the electrode arrangement and the recirculation conduit until a predetermined concentration of biocide in the water is reached.

12. The biocide generating system of claim 11 , wherein when the biocide generating system is installed in the watercraft the controller is configured to control the pump and the flow furcation component to pump the water to the water system once the predetermined concentration of biocide in the water is reached.

13. The biocide generating system of claim 12 , wherein when the biocide generating system is installed in the watercraft the controller is configured to determine a concentration of the biocide in the water.

14. The biocide generating system of claim 1 , further comprising a control system configured to dynamically vary a magnitude of electrical current supplied to the electrode arrangement in direct proportion to a rate of flow of the water past the electrode arrangement when the biocide generating system is installed in the watercraft.

15. A watercraft, comprising:

a sea chest;

a water system including a water reliant component;

a port through a hull of the watercraft; and

a biocide generating system defining an upstream to downstream direction corresponding to a direction of flow when water is being drawn into the biocide generating system from a water source through the port when the watercraft is buoyantly supported by the water source, the biocide generating system including:

a pump;

an electrode arrangement configured to generate the biocide and positioned downstream of the sea chest;

a conduit arrangement including a recirculation conduit; and

a flow furcation component positioned downstream of the pump and upstream of the water system, the flow furcation component and conduit arrangement together being configured, by action of the pump, to selectively direct:

the water to flow from the sea chest to the electrode arrangement, and to flow from the electrode arrangement back to the sea chest via the recirculation conduit without flowing to the water system, and

the water to otherwise flow from the sea chest to the electrode arrangement, and then flow from the electrode arrangement into the water system.

16. The watercraft of claim 15 , wherein the port is defined by a through-hull fitting of the watercraft.

17. The watercraft of claim 15 , wherein the biocide generating system further includes a strainer.

18. The watercraft of claim 17 , wherein the strainer is positioned upstream of the pump.

19. The watercraft of claim 17 , wherein the strainer and the electrode arrangement are a single integrated component.

20. The watercraft of claim 15 , further comprising a control system configured to dynamically vary a magnitude of electrical current supplied to the electrode arrangement in direct proportion to a rate of flow of the water past the electrode arrangement.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 2, 2024
From: COSENTINO, LOUIS CIRO; COSENTINO, DANIEL L.; GOLDEN, BRIAN ALAN
To: ELECTROSEA, LLC
Reel/Frame 069446/0666 →
Continuity (6)
Continuation 17728326 · Apr 25, 2022
Continuation 16787379 · Feb 11, 2020
Provisional Application 62875876 · Jul 18, 2019
Provisional Application 62831518 · Apr 9, 2019
Provisional Application 62803955 · Feb 11, 2019
Related Publication 20240199452A1 · Jun 20, 2024
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