Switchable electrochromic devices for use in aircraft transparency windows
First Claim
1. An electrochromic aircraft window assembly comprising:
- a) an outboard pane assembly; and
b) a fog preventing electrochromic pane assembly spaced from said outboard pane assembly and defining a chamber therebetween, said fog preventing electrochromic pane assembly comprising;
i) a first substrate having a first surface including a first conductive coating and a second surface including a second conductive coating;
ii) a second substrate spaced from said first substrate, said second substrate having a first surface including a third conductive coating, said second surface of said first substrate and said first surface of said second substrate facing each other in spaced-apart relation to define a chamber therebetween;
iii) an electrochromic medium contained in said chamber and in contact with said second and said third conductive coatings, said electrochromic medium having a luminous transmittance that varies upon application of an electrical potential through said electrochromic medium;
iv) facilities for applying electrical current to said first conductive coating to heat said first conductive coating, thereby preventing fogging of said window assembly; and
v) facilities for applying electrical current to said second and said third conductive coatings to establish said electrical potential through said electrochromic medium and vary said variable luminous transmittance of said electrochromic medium.
1 Assignment
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Accused Products
Abstract
An electrochromic aircraft window assembly includes: a) an outboard pane assembly; and b) a fog preventing electrochromic pane assembly spaced from the outboard pane assembly and defining a chamber therebetween, the fog preventing electrochromic pane assembly having: i) a first substrate having a first surface including a first conductive coating and a second surface including a second conductive coating; ii) a second substrate spaced from the first substrate, the second substrate having a first surface including a third conductive coating, the second surface of the first substrate and the first surface of the second substrate facing each other in spaced-apart relation to define a chamber therebetween; iii) an electrochromic medium contained in the chamber and in contact with the second and the third conductive coatings, the electrochromic medium having a luminous transmittance that varies upon application of an electrical potential through the electrochromic medium; iv) facilities for applying electrical current to the first conductive coating to heat the first conductive coating, thereby preventing fogging of the window assembly; and v) facilities for applying electrical current to the second and the third conductive coatings to establish the electrical potential through the electrochromic medium and vary the variable luminous transmittance of the electrochromic medium.
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Citations
33 Claims
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1. An electrochromic aircraft window assembly comprising:
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a) an outboard pane assembly; and
b) a fog preventing electrochromic pane assembly spaced from said outboard pane assembly and defining a chamber therebetween, said fog preventing electrochromic pane assembly comprising;
i) a first substrate having a first surface including a first conductive coating and a second surface including a second conductive coating;
ii) a second substrate spaced from said first substrate, said second substrate having a first surface including a third conductive coating, said second surface of said first substrate and said first surface of said second substrate facing each other in spaced-apart relation to define a chamber therebetween;
iii) an electrochromic medium contained in said chamber and in contact with said second and said third conductive coatings, said electrochromic medium having a luminous transmittance that varies upon application of an electrical potential through said electrochromic medium;
iv) facilities for applying electrical current to said first conductive coating to heat said first conductive coating, thereby preventing fogging of said window assembly; and
v) facilities for applying electrical current to said second and said third conductive coatings to establish said electrical potential through said electrochromic medium and vary said variable luminous transmittance of said electrochromic medium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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15. An electrochromic aircraft window assembly comprising:
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a) an outboard pane assembly;
b) an electrochromic pane assembly comprising first and second spaced substrates defining a chamber therebetween and an electrochromic medium contained in said chamber, said electrochromic medium having a luminous transmittance that varies upon application of an electrical potential through said electrochromic medium; and
c) an intermediate pane assembly having anti-fogging properties, wherein said outboard pane assembly and said electrochromic pane assembly have facing surfaces and said intermediate pane assembly is interposed between and spaced from said outboard pane assembly and said electrochromic pane assembly, said intermediate pane assembly preventing fogging of said respective facing surfaces of said outboard pane assembly and said electrochromic pane assembly.
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30. An electrochromic aircraft window assembly comprising:
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a) an outboard pane assembly;
b) a vibration dampening/sound absorbing pane assembly comprising a laminate comprising a base substrate, an adhesive interlayer deposited over a surface of said base substrate, a sound dampening material layer deposited over said adhesive interlayer and adhered to said base substrate by said adhesive layer, and a first conductive coating interposed between said adhesive layer and said base substrate;
c) an electrochromic pane assembly comprising a first substrate having a second conductive coating on a surface thereof and a second substrate having a third conductive coating on a surface thereof, said first and said second substrates spaced from each other with said second and said third conductive coatings facing each other to define a chamber therebetween, said electrochromic pane assembly further comprising an electrochromic medium contained in said chamber, said electrochromic medium having a luminous transmittance that varies upon application of electrical current to said second and said third conductive coatings to establish an electrical potential through said electrochromic medium; and
d) a spacer frame assembly for retaining said outboard pane assembly, said vibration dampening/sound absorbing pane assembly and said electrochromic pane assembly in spaced-apart generally parallel facing relationship with said vibration dampening/sound absorbing pane assembly positioned between said outboard pane assembly and said electrochromic pane assembly, said spacer frame assembly providing a first chamber between said outboard pane assembly and said vibration dampening/sound absorbing pane assembly and second chamber between said vibration dampening/sound absorbing pane assembly and said electrochromic pane assembly. - View Dependent Claims (31, 32)
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33. An electrochromic aircraft window assembly comprising:
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a) an outboard pane assembly; and
b) electrochromic pane assembly spaced from said outboard pane assembly and defining a chamber therebetween, said electrochromic pane assembly comprising;
i) a first substrate having first and second surfaces;
ii) a second substrate having first and second surfaces, wherein said second surface of said first substrate is facing and spaced from said first surface of said second substrate, said first and second substrates forming a chamber of generally uniform thickness therebetween and further comprising a first conductive layer on said second surface of said first substrate and a second conductive layer on said first surface of said second substrate;
iii) an electrochromic medium contained in said chamber and in contact with said conductive layers, said electrochromic medium having a luminous transmittance that varies upon application of an electrical potential through said electrochromic medium;
iv) at least one additional assembly selected from a distortion reducing assembly, a fogging reducing assembly and a sound dampening assembly; and
v) facilities for applying electrical current to said first and said second conductive layers to impress said electrical potential through said electrochromic medium and vary said luminous transmittance of said electrochromic medium.
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Specification