Air transfer arm for boiler

Details Air transfer arm for boiler Air transfer arm for boiler

2008-02-12

2010-11-02

McAllister, Steven B (Department: 3749)

Combustion

Fuel disperser installed in furnace

C431S007000, C431S329000, C126S512000, C126S350100, C126S11600A, C126S11000R, C126S11000R, C122S014200, C122S032000, C122S014220, C122S134000

Reexamination Certificate

active

07824178

ABSTRACT:
A water heater apparatus includes a fuel-air transfer arm connecting a blower outlet to a burner inlet. The transfer arm includes a continuously curved 180° bend portion and at least one inwardly extending internal flow disrupter located in the 180° bend portion for improving fuel-air mixture distribution across the burner inlet.

REFERENCES:
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patent: 6619951 (2003-09-01), Bodnar et al.
patent: 6694926 (2004-02-01), Baese et al.
patent: 7267083 (2007-09-01), Le Mer et al.
patent: 2005/0178344 (2005-08-01), Garrett et al.
patent: EP1443270 (2003-01-01), None
EIC technical search report.
Exhibit A: “Inside the KNIGHT” four page brochure for the Lochinvar Corporation KNIGHT™ boiler. (undated but admitted to be prior art).
Exhibit B: Two page printout from the website of Giannoni France, illustrating their heat exchangers corresponding generally to U.S. Patent 7,267,083 to Le Mer et al. (undated but admitted to be prior art).
Exhibit C: Two page printout from the website of Remeha.info showing the Remeha Gas model 210ECO-3 condenser boiler. (undated but admitted to be prior art).
Exhibit D: Two page printout from the website of Remeha.info showing the Remeha Gas model 310ECO-5 condensing boiler. (undated but admitted to be prior art).
Exhibit E: Two page printout from the website of Remeha.info showing the Remeha Gas model 610ECO-6 condensing boiler. (undated but admitted to be prior art).
Exhibit F: One page drawing of a Giannoni conical shaped transistion for a front mount blower. (admitted to be prior art).

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