Water storage device having a powered anode

An electrode and equipment technology, applied in the field of water storage equipment, can solve problems such as drift

Active Publication Date: 2006-05-03
AOS HLDG CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technique accommodates changes in the amount of exposed steel in the enclosure, but not in water conductivity levels
Furthermore, this technique can be problematic in high conductivity waters where currently produced titanium electrodes and mixed metal oxide films tend to drift in their reference voltage measurements

Method used

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  • Water storage device having a powered anode
  • Water storage device having a powered anode
  • Water storage device having a powered anode

Examples

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Embodiment Construction

[0012] Before describing any embodiments of the invention in detail, it is to be understood that the invention is not limited in its application to the details of construction and arrangement of the components set forth in the following description or illustrated in the following drawings. The invention is capable of other implementations and of being practiced or carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein are for the purpose of description and should not be regarded as limiting. The use of "comprising", "comprising" or "having" or variations thereof herein is intended to cover the items listed thereafter, their equivalents as well as supplemental items. The terms "mounted," "connected," "supported," and "coupled" are used generically to include both directly and indirectly mounted, connected, supported, and coupled. In addition, "connected" and "coupled" are not limited to physical or mechanical connections or c...

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PUM

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Abstract

A water heater having energized electrodes and a method of controlling the water heater. The water heater includes a tank for storing water, a heating element, electrodes and a control circuit. The control circuit includes a variable voltage power supply, a voltage sensor and a current sensor. the control circuit is configured to controllably apply a voltage to the electrode, using the voltage sensor to determine the potential of the electrode relative to the tank when the voltage is not energizing the electrode, determine the current to be applied to the tank after the voltage is energizing the electrode, The conductivity state of the water in the tank is determined based on the electrode potential and the current, and the voltage applied to the energized electrodes is defined based on the conductivity state. The control circuit of the water heater can also determine whether the water heater is in a dry state.

Description

technical field [0001] The present invention relates to a water storage device having a powered anode and a method of controlling a water storage device. Background technique [0002] Energized anodes have been used in the water heater industry. In order to work properly, energized anodes generally must solve two main problems. First, the energized anode should provide enough protective current to protect the exposed steel in the tank. The degree of exposed steel will vary from case to case and will vary throughout the life of the case. Second, the protective current produced by the energized anode should be low enough to reduce the possibility of excess hydrogen. [0003] There are at least two technologies currently in the water heater industry that use energized anodes to protect the tank. One technique adjusts the anode voltage level based on the conductivity of the water. However, this technique does not measure the enclosure's level of protection, and enclosures w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H9/20
CPCC23F13/04F24H9/2021F24H9/45F24H15/414F24H9/455F24H15/37F24H15/132
Inventor 雷·奥利弗·克诺佩尔托马斯·杰勒德·范·西斯廷马克·艾伦·墨菲
Owner AOS HLDG CO
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