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US 4,037,785 AGranted
Combination solar and electric heater
OwnerJean-Pierre Maderninventor
Life of this patent
Estimating the term…
Abstract
Heater comprises a container divided into upper and lower chambers by a perforated plate. The container is connected to receive heated liquid from a solar collector and deliver it to radiators or the like. The container is equipped with an electrical heating coil for further heating the liquid when the solar heat supply is inadequate.
Claims5
In the combination of a solar heater, a storage container connected to receive heated liquid from and supply cooler liquid to said solar heater, and heat utilizing means connected to receive heated liquid from said storage container and return a cooler liquid to said container, the improvement which comprises:
- at least one perforated partition dividing said container into upper and lower chambers,
- an inlet for heated liquid from said solar heater,
- an outlet for said heated liquid supplying said heat utilizing means, and an inlet for cooler liquid from said heat utilizing means, both said inlets and said outlets being located in said upper chamber, with the inlet for cooler liquid from said heat utilizing means below said outlets,
- an outlet supplying cooler liquid to said solar heater positioned near the bottom of said upper chamber,
- additional heating means in said upper chamber, and
- heat responsive means for activating said additional heatng means.
3 more elements
Dependencies are inferred from the claim text.