Method and device for preventing dew condensation and frosting on optical glass window
AssigneeJapan Science and Technology Agency
InventorHirokazu Yoshimura
Life of this patent
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Abstract
A method and an apparatus are provided for preventing formation of dew and/or ice on an optical glass window, with which formation of dew and/or ice is easily and simply prevented while an air turbulent disturbance is minimized and a deformation is inhibited as little as possible. A protective tube (6) covering an external atmosphere of a cooled optical glass window (2) and thermally insulated from the optical glass window (2) is provided so as to prevent the external atmosphere from being cooled in order to prevent the optical glass window (2) from having dew and/or ice formed thereon.
Claims7
A method for preventing formation of dew and/or ice on a cooled optical glass window, comprising the steps of:
- preventing an external atmosphere of the optical glass window from being cooled by providing a protective tube covering the external atmosphere of the cooled optical glass window and insulated from the optical glass window;
- and
- regulating a temperature of the protective tube so as to inhibit convection of air in the protective tube in accordance with an inclination angle of the protective tube, so as to prevent the optical glass window from having dew and/or ice formed thereon.
An apparatus for preventing formation of dew and/or ice on a cooled optical glass window, comprising:
- a protective tube covering an external atmosphere of the cooled optical glass window and insulated from the optical glass window so as to prevent the external atmosphere of the optical glass window from being cooled;
- and
- means for regulating a temperature of the protective tube so as to inhibit convection of air in the protective tube in accordance with an inclination of the protective tube.
Dependencies are inferred from the claim text.