Gas water heater
A gas water heater is disclosed. The gas water heater comprises a combustion chamber, a pipe assembly, a heat exchange device, and a plurality of heat conductors. The combustion chamber provides a gas flow. The heat exchange device is disposed above the combustion chamber. The heat conductors are disposed in parallel in the heat exchange device. Each heat conductor comprises a body, a plurality of trough holes, and a first flange. The body has an oblique side facing the gas flow. The through holes are disposed on the body. The first flange is formed along the oblique side of the body for collecting condensed water.
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The invention is a Continuation-in-Part Application of application Ser. No. 11/379,836, entitled WATER HEATER AND METHOD OF OPERATING THE SAME, filed on Apr. 24, 2006, the disclosure of which is hereby incorporated by reference in its entirety for all purposes as if fully set forth herein.
FIELD OF THE INVENTIONThe invention relates to a gas water heater, and more particularly to a gas water heater for discharging condensed water and recycling thermal energy.
DESCRIPTION OF THE RELATED ARTThus, a gas water heater capable of recycling waste gas and discharging condensed water, improving heat efficiency is desirable.
BRIEF SUMMARY OF THE INVENTIONThe invention provides a gas water heater with heat conductors. Heat conductors comprise a special flange for guiding the condensed water.
An embodiment of a gas water heater comprises a combustion chamber, a pipe assembly, a heat exchange device, and a plurality of heat conductors. The combustion chamber provides a gas flow. The heat exchange device is disposed above the combustion chamber. The heat conductors are disposed in parallel in the heat exchange device. Each heat conductor comprises a body, a plurality of through holes, and a first flange. The body has an oblique side facing the gas flow. The through holes are disposed on the body. The first flange is formed along the oblique side of the body for collecting condensed water.
Another embodiment of a gas water heater comprises a combustion chamber, a pipe assembly, a heat exchange device, and a plurality of heat conductors. The combustion chamber provides a gas flow. The heat exchange device is disposed above the combustion chamber. The heat conductors are disposed in parallel in the heat exchange device. Each heat conductor comprises a body, a plurality of through holes, and a first flange. The body has a V-shaped side facing the gas flow. The through holes are disposed on the body. The first flange is formed along the V-shaped side of the body for collecting condensed water.
A detailed description is given in the following embodiments with reference to the accompanying drawings:
The invention can be more fully understood by reading the subsequent detailed description and examples with references made to the accompanying drawings, wherein:
The following description is of the best-contemplated mode of carrying out the invention. This description is made for the purpose of illustrating the general principles of the invention and should not be taken in a limiting sense. The scope of the invention is best determined by reference to the appended claims.
First EmbodimentReferring to
Additionally, the case 53 of the heat exchange device 50 further comprises a second flange 53a, disposed at the edge of the case 53 and corresponding to the first flanges 63 of the heat conductors 60. Referring again in
As shown in
Furthermore, during the burning process, vapor is produced by high temperature gas. The vapor adhering to the heat conductors 60 is condensed into water that can be collected by the first flanges 63 of the heat conductors 60. The condensed water flowing along the oblique side of each body 61 (as indicated by the direction of the arrow shown in
Furthermore, for enhancing collection of condensed water, the surface 64 of each heat conductor 60 further comprises a plurality of scratches to guide the condensed water. As shown in
Referring to
In the second embodiment, each heat conductor 60′ comprises a body 61′ with a V-shaped side facing the gas flow 31, a plurality of through holes 62′, and a first flange 63′ formed along the V-shaped side of the body 61′ for collecting condensed water. The second flange 53′a of case 53′, which is V-shaped, is disposed under the first flanges 63′. Additionally, the drain 54′ is disposed at the center of the case 53′, corresponding to the second flange 53′a. As shown in
Thus, condensed water can be collected by the first flange 63′ and the second flange 53′a formed at one side of the case 53′, reducing material consumption and cost.
Furthermore, for enhancing collection of condensed water, each heat conductor 60 further comprises a plurality of scratches to guide the condensed water. As shown in
Additionally, as shown in
While the invention has been described by way of example and in terms of the preferred embodiment, it is to be understood that the invention is not limited thereto. To the contrary, it is intended to cover various modifications and similar arrangements (as would be apparent to those skilled in the art). Therefore, the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and similar arrangements.
Claims
1. A gas water heater, comprising:
- a combustion chamber, providing a gas flow;
- a pipe assembly;
- a heat exchange device disposed above the combustion chamber;
- a plurality of heat conductors disposed in parallel in the heat exchange device, each heat conductor comprising: a body having an oblique side facing the gas flow; a plurality of through holes disposed on the body accommodating the pipe assembly therethrough; and a first flange formed along the oblique side of the body for collecting condensed water.
2. The gas water heater as claimed in claim 1, wherein the body comprises a surface, the through holes disposed on the surface.
3. The gas water heater as claimed in claim 2, wherein the first flange is disposed at both sides of the surface.
4. The gas water heater as claimed in claim 2, wherein the first flange is disposed at one side of the surface.
5. The gas water heater as claimed in claim 2, wherein the surface comprises a plurality of scratches, guiding the condensed water.
6. The gas water heater as claimed in claim 5, wherein the direction of the scratches is substantially vertical to that of the gas flow.
7. The gas water heater as claimed in claim 5, wherein the direction of the scratches is substantially parallel to that of the gas flow.
8. The gas water heater as claimed in claim 5, wherein the direction of the scratches is parallel to the first flange.
9. The gas water heater as claimed in claim 1, wherein the heat exchange device further comprises a case, covering the heat conductors.
10. The gas water heater as claimed in claim 9, wherein the case comprises a second flange disposed at the edge of the case, corresponding to the first flange.
11. The gas water heater as claimed in claim 9, wherein the case comprises a drain, disposed at the edge of the case, corresponding to the first flange and the second flange.
12. The gas water heater as claimed in claim 1, wherein the heat exchange device further comprises a first heat exchanger and a second heat exchanger, and the first heat exchanger is disposed between the second exchanger and the combustion chamber.
13. The gas water heater as claimed in claim 1, wherein the heat conductors are heat fins.
14. A gas water heater, comprising:
- a combustion chamber, providing a gas flow;
- a pipe assembly;
- a heat exchange device disposed above the combustion chamber;
- a plurality of heat conductors disposed in parallel in the heat exchange device, each heat conductor comprising: a body with a V-shaped side facing the gas flow; a plurality of through holes disposed on the body accommodating the pipe assembly therethrough; and a first flange formed along the V-shaped side of the body for collecting condensed water.
15. The gas water heater as claimed in claim 14, wherein the body comprises a surface, the through holes disposed on the surface.
16. The gas water heater as claimed in claim 15, wherein the first flange is disposed at both sides of the surface.
17. The gas water heater as claimed in claim 15, wherein the first flange is disposed at one side of the surface.
18. The gas water heater as claimed in claim 15, wherein the surface comprises a plurality of scratches, guiding the condensed water.
19. The gas water heater as claimed in claim 18, wherein the direction of the scratches is vertical to that of the gas flow.
20. The gas water heater as claimed in claim 18, wherein the direction of the scratches is substantially parallel to that of the gas flow.
21. The gas water heater as claimed in claim 18, wherein the direction of the scratches is substantially parallel to the first flange.
22. The gas water heater as claimed in claim 14, wherein the heat exchange device further comprises a case, covering the heat conductors.
23. The gas water heater as claimed in claim 22, wherein the case comprises a second flange disposed at the center of the case, corresponding to the first flange.
24. The gas water heater as claimed in claim 14, wherein the second flange is V-shaped.
25. The gas water heater as claimed in claim 14, wherein the case comprises a drain disposed the center of the case, corresponding to the first flange and the second flange.
26. The gas water heater as claimed in claim 14, wherein the heat exchange device comprises a first heat exchanger and a second heat exchanger, and the first exchanger is disposed between the second heat exchanger and the combustion chamber.
27. The gas water heater as claimed in claim 14, wherein the heat conductors are heat fins.
Type: Application
Filed: Dec 29, 2006
Publication Date: Nov 8, 2007
Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (Hsinchu)
Inventors: Wen-Bin Lo (Taichung City), Kuo-Kuang Wu (Hsinchu City), Jing-Lyang Jeng (Hsinchu County)
Application Number: 11/618,258
International Classification: F24H 9/00 (20060101);