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1. 发明申请

US20030131804A1 WATER HEATER UNIT 有权
标题翻译：加热器单元
公开(公告)号：US20030131804A1
公开(公告)日：2003-07-17
申请号：US10214260
申请日：2002-08-08
申请人： TAKAGI INDUSTRIAL CO., LTD
发明人： Kazushi Iwama , Akihito Yamashita
IPC分类号： F24H001/12
CPC分类号： F24H9/2035
摘要： There is provided a water heater unit realizing antifreezing of a water tube and the like of a heat exchanger without providing a backwind stopper on an exhaust tube. The water heater unit comprises a heat exchanger for heating water by a combustion heat of combustion means, water temperature sensors for detecting the temperatures of the water tube connected to the heat exchanger and an air supply fan for supplying air to a combustion chamber in which the combustion means is installed. When temperatures detected by the temperature sensors reach a temperature at which freezing of the heat exchanger is expected, the air supply fan is driven to supply air to the combustion chamber and the air is exhausted toward an exhaust port, thereby effecting heat exchange and antifreezing of the water tube.
摘要翻译：提供了一种热水器单元，其在排气管上不设置逆风挡块，实现热交换器的水管等的防冻。热水器单元包括用于通过燃烧装置的燃烧热加热水的热交换器，用于检测连接到热交换器的水管的温度的水温传感器和用于向燃烧室供应空气的供气风扇，其中安装燃烧装置。当温度传感器检测到的温度达到预期的热交换器的冷冻温度时，供气扇被驱动以向燃烧室供应空气，空气朝排气口排出，由此进行热交换和防冻水管。

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