Water immersion thermostat and method for using thereof

a thermostat and water immersion technology, applied in the field of storage water heaters, can solve the problems of unsatisfactory solutions, unsafe reset activity of bimetallic strip 60, and inability to detect the temperature of the deep volume,

Inactive Publication Date: 2013-07-25
HACHAM YONA AMNON +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the reset activity of bimetallic strip 60 is regarded unsafe after the failure of metal rod 52.
Bimetallic strip 60 is disadvantaged of not being immersed or substantially immersed in the water, thus not sensing the temperature of the deep volume of the water storage.
All the methods described above have not yet provided satisfactory solutions to the long felt need of a safety thermostat.

Method used

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  • Water immersion thermostat and method for using thereof
  • Water immersion thermostat and method for using thereof
  • Water immersion thermostat and method for using thereof

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Embodiment Construction

[0049]The present invention will be understood from the following detailed description of preferred embodiments, which are meant to be descriptive and not limiting. For the sake of brevity, some well-known features, methods, systems, procedures, components, circuits, and so on, are not described in detail.

[0050]FIG. 4 depicts a thermostat for a storage water heater, according to one embodiment of the present invention.

[0051]Thermostat 10 of the embodiment of FIG. 4 includes the mechanism of internal metal rod 52 inside external longitudinal sleeve 12, for controlling switch 38. According to this embodiment the mechanism of bimetallic strip 60 is cancelled.

[0052]A thermal fuse is a single-use element that cuts electrical connection upon extreme temperature.

[0053]A thermal fuse 68 is disposed within longitudinal sleeve 12, which is regarded as being immersed in the water.

[0054]According to a preferred embodiment thermal fuse 68 replaces bimetallic strip 60. Unlike the prior art bimeta...

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Abstract

An improvement in a water immersion thermostat having a longitudinal sleeve for being deeply substantially-immersed in water of a storage water heater, the improvement including a thermal fuse disposed within the longitudinal sleeve, for single-use cutting of electrical connection upon temperature of the water within the storage water heater exceeding a pre-adjusted temperature threshold, and serial wiring of the thermal fuse between the power supply and the heating element of the storage water heater, thereby permanently cutting the power supply from the heating element upon presence of extreme temperature deep in the storage water heater.

Description

FIELD OF THE INVENTION[0001]The present invention relates to the field of storage water heaters. More particularly, the invention relates to a water immersion thermostat.BACKGROUND OF THE INVENTION[0002]FIG. 1 depicts a prior art thermostat for a storage water heater.[0003]In household and commercial usage, common water heaters are of the tank type, called storage water heaters. Typically they include a cylindrical vessel in which water may be stored is kept continuously hot and ready for use.[0004]The term “immersion thermostat”, or “probe type thermostat” is a thermostat designed for insertion or at least resembling insertion into the medium being sensed.[0005]A storage water heater includes an immersion thermostat 10, for limiting the temperature of the water therein.[0006]The following description of water immersion thermostat 10 relates to a common product distributed in Israel and other countries.[0007]One of the sensors of immersion thermostat 10 includes a longitudinal metal...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F24H9/20F24H1/20
CPCF24D2220/042F24H9/2021F24H15/223F24H15/37F24H15/128
Inventor HACHAM-YONA, AMNONBABI, ELIAHU
Owner HACHAM YONA AMNON
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