| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem in the means to prevent a window glass from fogging caused by condensate of moisture in air on inner surface side of the window glass by the temperature difference between inside and outside of a room when an outside temperature is low, that is, the system to lead the heated air of a heating apparatus to a window glass or the system to install heating thin film on the window glass requires a power source and complicates the device, and the system in a small craft to prevent a window glass from fogging by flowing the warm air heated by the radiator to radiate warm water that has cooled an engine, requires not only the radiator and a fan but also a battery for power to be supplied to warm water piping and the fan, and causes unfavorable power consumption. SOLUTION: The window defogger comprises a packing closely in contact with all round of an inside surface of the window, and a defogging board having a see-through window surface part facing the see-through surface of the window with a space therebetween in an area surrounded by the packing. The packing has a flexible seal fin closely in contact with the inside of the window, and the air in the space is sucked with a pump device. COPYRIGHT: (C)2004,JPO&NCIPI
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