Stoves and furnaces – Ovens – Domestic
Patent
1976-05-03
1978-04-18
Sprague, Kenneth W.
Stoves and furnaces
Ovens
Domestic
126271, F24J 302
Patent
active
040845761
ABSTRACT:
There is disclosed a molded glass bulb-type solar collector which includes a parabolic specular reflector member and integral glass tubular member closed at the inner end extends along the focal axis of the reflecting surface. A shank portion of the tubular member extends outside the parabolic reflector and is open at the outer end. The tubular wall has its outside surface within the reflector coated with a wave length selective coating. A transparent glass cover plate that is preferably convex (domed) is sealed over the large open end of the reflector at a peripheral flange. The flange is formed to a regular geometric configuration, viz, square, diamond, hexagon, etc., and several of the bulb collectors are fabricated into a curtain wall with these flanges in adjacent relationship. The space within the cover plate and reflector is pumped to a vacuum.
The shank portion of the member is connected into an aperture of a manifold. The collectors are connected in series wherein working fluid is carried in a conduit, and at each aperture, a partition extends into the tubular member bisecting it so that the fluid on one side of the partition is diverted in a counterflow path therethrough and back to the conduit on the other side of the partition. In another form of manifold, collectors are connected in parallel, so to speak, wherein two parallel divided passages are provided in the manifold.
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patent: 3960136 (1976-06-01), Moan et al.
patent: 3982527 (1976-09-01), Cheng et al.
patent: 4002160 (1977-01-01), Mather, Jr.
Click Myron E.
Jones Larry
Nelson John R.
Owens--Illinois, Inc.
Sprague Kenneth W.
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