Air-proportionality type boiler

Details Air-proportionality type boiler Air-proportionality type boiler

2005-01-11

2005-01-11

Wilson, Gregory (Department: 3749)

Liquid heaters and vaporizers

Air-injected

C122S014100, C122S448100

Reexamination Certificate

active

06840198

ABSTRACT:
An air-proportionality type boiler is provided. Since the air-proportionality type boiler directly controls a current proportionality gas valve according to an amount of air by using a low-price AC air blower, a low-price current proportionality gas valve and a low-price airflow sensor, a gas supply amount can be adjusted with respect to all ranges of the airflow amount. Also, an appropriate calorie required for proportionally controlling a present circulation water temperature to a set temperature, can be supplied. The boiler can be safely ignited to perform a combustion operation under the optimal condition although abnormal weathers and conditions. Accordingly, since a combustion performance is enhanced, combustion efficiency is high and a fuel cost can be saved.

REFERENCES:
patent: 4848277 (1989-07-01), Bommer
patent: 5985474 (1999-11-01), Chen et al.
patent: 6401669 (2002-06-01), Macgowan et al.
patent: 6694926 (2004-02-01), Baese et al.

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