G - Physics – 02 – B
Patent
G - Physics
02
B
88/121
G02B 5/24 (2006.01) E06B 3/67 (2006.01) E06B 9/24 (2006.01)
Patent
CA 2005930
ABSTRACT The present invention refers to a liquid curtain apparatus comprising two windowpane blades made from glass or another transparent material paralel to each other and joined along as peripherical edges in order to define an closed inner space therebetween, a container for storing a liquid able of reducing or eliminating the transmission of light and the radiation of heat through said blades, said container communicating with said inner space between the blades through an opening at the lower portion of said inner space and, means for transportating said curtain forming liquid from said container to said inner space and backwards, characterized by comprising an opening (12) for the passage of air at the upper portion of said inner space (4), means (14) communicating said opening (12) with said container (7) in order to define a closed circuit, and a valve means (15) connected to said com- municating means (14), said valve means (15) being respon sive to the activation of said transportating means (9) in order to maintain said curtain forming liquid at a desired high within said inner space (4) and to avoid said liquid for returning to said container 7.
Mouallem Albert N.
Swabey Ogilvy Renault
LandOfFree
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