Patent ID: 6269808
Filing Date: 2001-08-07
Classification: A47J,F23N

Abstract:
A liquid heating cooker comprising;a vessel where a cooking liquid is stored;means for heating the cooking liquid;means for measuring the temperature of the cooking liquid;means for controlling the combustion action and non-combustion action of the heating means in response to a measurement of the temperature of the cooking liquid measured by the temperature measuring means wherein the temperature of the cooking liquid is maintained at a predetermined level;a blower for supplying air to the heating means;a pre-purging means for actuating the blower prior to the combustion action of the heating means; anda counting means for counting a length of the non-combustion period of the heating means, wherein the controlling means presets a duration of the actuating action of the pre-purging means corresponding to the length of the non-combustion period and when the action of the pre-purging means is requested, determines the duration of the actuating action of the pre-purging means from a length of the preceding non-combustion period counted by the counting means, and actuates the blower for the determined duration.