Heated second window in a double glazing system

Details Heated second window in a double glazing system Heated second window in a double glazing system

1990-03-23

1991-09-24

Walberg, Teresa J.

Electric heating

Heating devices

Combined with diverse-type art device

52171, H05B 310, E06B 712

Patent

active

050515608

ABSTRACT:
A window of a double glazing system includes a window frame formed in a wall of a room, a sash fitted in the window frame and an outer glazing mounted in the sash, all of which are conventional. A second glazing is mounted to the sash and at an interior position relative to the outer glazing, so as to form an air circulation space between the second and outer glazings. The second glazing is heated by a transparent electrical resistance layer formed thereon and apertures are formed in the sash to create an air circulation path from the outside, through the air circulation space into the room. As a result, fresh air circulating into the room is heated by the heated second glazing.

REFERENCES:
patent: 4040219 (1977-08-01), Budich
patent: 4066815 (1978-01-01), Olink et al.
patent: 4273098 (1981-06-01), Silverstein
patent: 4377613 (1983-03-01), Gordon
patent: 4471589 (1984-09-01), Schmidlin
patent: 4533571 (1985-08-01), Kramer et al.
patent: 4639069 (1987-01-01), Yatabe et al.
patent: 4641466 (1987-02-01), Raninen et al.
patent: 4733504 (1988-03-01), Lindgren
patent: 4918288 (1990-04-01), Carter et al.

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