Automatic detergent dispensing system for a warewasher
An apparatus dispenses detergent into a warewasher from a reservoir (50) wherein a flow control device (54) controls the flow of the detergent. A sensor (not shown) measures the electrical conductivity of water within the warewasher (10) and produces a conductivity measurement. A controller (32) ope...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
28.09.2007
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | An apparatus dispenses detergent into a warewasher from a reservoir (50) wherein a flow control device (54) controls the flow of the detergent. A sensor (not shown) measures the electrical conductivity of water within the warewasher (10) and produces a conductivity measurement. A controller (32) operates the flow control device (54) in a first mode in which the quantity of detergent dispensed into the warewasher (10) is determined in response to the electrical conductivity of the water. If the conductivity measurement is determined to be unreliable, the controller operates in a second mode in which a predefined quantity of detergent is dispensed into the warewasher (10). The reliability of the conductivity measurement is determined based on the amount that the conductivity changes upon detergent being added to the warewasher. |
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AbstractList | An apparatus dispenses detergent into a warewasher from a reservoir (50) wherein a flow control device (54) controls the flow of the detergent. A sensor (not shown) measures the electrical conductivity of water within the warewasher (10) and produces a conductivity measurement. A controller (32) operates the flow control device (54) in a first mode in which the quantity of detergent dispensed into the warewasher (10) is determined in response to the electrical conductivity of the water. If the conductivity measurement is determined to be unreliable, the controller operates in a second mode in which a predefined quantity of detergent is dispensed into the warewasher (10). The reliability of the conductivity measurement is determined based on the amount that the conductivity changes upon detergent being added to the warewasher. |
Author | UHEN, DAVID A REICHOLD, KURT A |
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Snippet | An apparatus dispenses detergent into a warewasher from a reservoir (50) wherein a flow control device (54) controls the flow of the detergent. A sensor (not... |
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SubjectTerms | COFFEE MILLS CONTROLLING DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FURNITURE HUMAN NECESSITIES MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS REGULATING SPICE MILLS SUCTION CLEANERS IN GENERAL SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING |
Title | Automatic detergent dispensing system for a warewasher |
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