Monitoring and Recording Device for Clean-In-Place System
First Claim
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1. A cleaning system comprising:
- a pump for supplying a cleaning chemical to a tank for holding a cleaning mixture of the cleaning chemical and a diluting fluid;
a fluid supply conduit in fluid communication with a cleaning location and the tank;
a fluid return conduit in fluid communication with the cleaning location and the tank;
a drain in fluid communication with the cleaning location;
a valve located in the fluid supply conduit, the valve having an open position and a closed position; and
a valve position sensor associated with the valve, the valve position sensor outputting position signals indicative of whether the valve is in the open position or in the closed position.
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Abstract
A controller and recorder is disclosed for controlling, monitoring, and recording concentrations, temperature, air flow, fluid flow, and valve position a cleaning system. The invention allows a user to monitor multiple outputs at one time to quickly and efficiently diagnose malfunctions in the cleaning system. The invention records and archives the outputs during operation of the cleaning system. The data may then be downloaded by a user and analyzed for malfunctions in the system. For example, the data may indicate malfunctioning valves or fouled sensors in the cleaning system.
77 Citations
22 Claims
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1. A cleaning system comprising:
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a pump for supplying a cleaning chemical to a tank for holding a cleaning mixture of the cleaning chemical and a diluting fluid; a fluid supply conduit in fluid communication with a cleaning location and the tank; a fluid return conduit in fluid communication with the cleaning location and the tank; a drain in fluid communication with the cleaning location; a valve located in the fluid supply conduit, the valve having an open position and a closed position; and a valve position sensor associated with the valve, the valve position sensor outputting position signals indicative of whether the valve is in the open position or in the closed position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A cleaning system comprising:
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a pump for supplying a cleaning chemical to a tank for holding a cleaning mixture of the cleaning chemical and a diluting fluid; a fluid supply conduit in fluid communication with a cleaning location and the tank; a fluid return conduit in fluid communication with the cleaning location; a valve located in the fluid supply conduit; a heat exchanger located in the fluid supply conduit between the tank and the valve; a temperature sensor located in the fluid supply conduit between the valve and the cleaning location, the temperature sensor outputting temperature signals indicative of a temperature of a component of fluid passing the sensor; an air supply conduit in fluid communication with the valve and a source of air, the air moving the valve between the open position and the closed position; and an air flow sensor, wherein the air flow sensor outputs air flow signals indicative of whether air flow is present or not. - View Dependent Claims (14, 15, 16)
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17. A cleaning system comprising:
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a pump for supplying a cleaning chemical to a tank for holding a cleaning mixture of the cleaning chemical and a diluting fluid; a tank inlet conduit in fluid communication with the tank and a source of the cleaning chemical; a fluid supply conduit in fluid communication with a cleaning location and the tank; a fluid return conduit in fluid communication with the cleaning location and the tank; a drain in fluid communication with the cleaning location; a flow meter located in the tank inlet conduit, the flow meter outputting flow rate signals indicative of the flow rate of a component of fluid passing the sensor; and a concentration sensor located in the fluid supply conduit, the sensor outputting concentration signals indicative of a concentration of a component of fluid passing the sensor. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification