Integrated water treatment control system with probe failure detection
Patent 5895565 Issued on April 20, 1999. Estimated Expiration Date: 
October 4, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 4, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSwimming pool chemical control system Telemetry system for water and energy monitoring Automatic chemical monitor and control system Surface water processing installation with safety barrier 5547584 Pool water purification system for a plurality of pools Swimming pool control system having central processing unit and remote communication Patent #: 5616239 InventorsAssigneeApplicationNo. 743280 filed on 10/04/1996US Classes:210/85, WITH ALARM, INDICATOR, REGISTER, RECORDER, SIGNAL OR INSPECTION MEANS210/96.1, CONSTITUENT MIXTURE VARIATION RESPONSIVE210/149, Thermal210/167, Closed circulating systems340/603, Fluent material422/105CONTROL ELEMENT RESPONSIVE TO A SENSED OPERATING CONDITIONExaminersPrimary: Drodge, Joseph W.Attorney, Agent or FirmForeign Patent References
International ClassesB01D 017/12161 AbstractThe integrated water treatment control system incorporates control of filtration, heating, chemical treatment and water conditioning; a programmable display shows values of key parameters, operational settings and system status; a user-selectable multi-line, multi-language display panel has menus and submenus; a remote access displays through modems and computers; an in-line computation of water saturation index handles sensor and panel keyboard inputs; and a dynamic probe failure detection system is also included.Other References
Field of SearchWITH ALARM, INDICATOR, REGISTER, RECORDER, SIGNAL OR INSPECTION MEANSCONSTITUENT MIXTURE VARIATION RESPONSIVE Backwash or blowback AUTOMATIC CONTROL Thermal Aquarium or swimming pool WITH MEANS TO ADD TREATING MATERIAL Diverse separators WITH PRELIMINARY CHEMICAL MANUFACTURE SERIALLY CONNECTED DISTINCT TREATING WITH OR WITHOUT STORAGE UNITS Diverse WITH MOVABLE SUPPORT And liquid testing or volume measuring Including controlling process in response to a sensed condition Electrical property sensing Responsive to fluid flow Fluid pressure responsive WITH TIME CONTROL Of additional fluid By optical or chemical property Fluent material Flow rate Counting CONTROL ELEMENT RESPONSIVE TO A SENSED OPERATING CONDITION | |
