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US4051832A Expired / Lapsed US ⏱️ 0.0 years remaining

Solar heating panel

Assignee: Individual
•
Filing: 1977-01-21
•
Granted: 1977-10-04
•
Expires: 1997-01-21
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Abstract

Abstract A solar heating panel for converting the sun's rays into heat, comprising a pane of glass, a sheet metal panel behind said pane of glass in spaced relationship therewith, a peripheral hermetical seal between the pane of glass and said sheet metal panel, a vacuum in the space between said pane of glass and said sheet metal panel, said sheet metal panel having a blackened surface facing said pane of glass, and evenly spaced projections pushed out of the plane of said sheet metal panel having sharp points resting against said pane of glass to resist the atmospheric pressure acting on said pane of glass and said sheet metal panel, said blackened surface serving to convert the solar rays into heat to heat up said sheet metal panel, where the heat produced can be carried away by any conventional means, most conveniently by flowing air blown over the back surface of the sheet metal panel to heat a heat sink or a building.

Inventors

  • 👤 William Stelzer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:43
CPC Classifications
F; F24; F24S; F24S70/00; F24S70/60; Y; Y02; Y02B; Y02B10/00; Y02B10/20; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y10; Y10S; Y10S126/00; Y10S126/904

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 174 words
A solar heating panel for converting the sun's rays into heat, comprising a single, flat pane of glass, a sheet metal panel behind said pane of glass in spaced relationship therewith to provide a space between said pane of glass and said metal panel, said sheet metal panel and said pane of glass having peripheral outer portions, a peripheral hermetical seal between said outer portion of said pane of glass and said outer portion of said sheet metal panel, a vacuum in said space, said sheet metal panel having a blackened surface facing said pane of glass, evenly spaced projections pushed out of the plane of said sheet metal panel having sharp points resting against said pane of glass to resist the atmospheric pressure acting on said pane of glass and said sheet metal panel, said blackened surface serving to convert solar rays into heat to heat up said sheet metal panel. A vacuum connection arranged to be in communication with said space containing said vacuum, and means to close off said vacuum connection.
Claim 2
Dependent Claim 174 words
A solar heating panel for converting the sun's rays into heat, comprising a single, flat pane of glass, a sheet metal panel behind said pane of glass in spaced relationship therewith to provide a space between said pane of glass and said metal panel, said sheet metal panel and said pane of glass having peripheral outer portions, a peripheral hermetical seal between said outer portion of said pane of glass and said outer portion of said sheet metal panel, a vacuum in said space, said sheet metal panel having a blackened surface facing said pane of glass, evenly spaced projections pushed out of the plane of said sheet metal panel having sharp points resting against said pane of glass to resist the atmospheric pressure acting on said pane of glass and said sheet metal panel, said blackened surface serving to convert solar rays into heat to heat up said sheet metal panel. A vacuum connection arranged to be in communication with said space containing said vacuum, and means to close off said vacuum connection.
Claim 3
Dependent Claim 33 words
The invention set forth in claim 1, said points of said projections being coined to make said points harder and sharper so that less heat can be transmitted to said pane of glass.
Claim 4
Dependent Claim 69 words
The invention as set forth in claim 1, said peripheral hermetical seal being made of elastomeric material and circular in cross-section, said outer portion of said sheet metal panel being formed to conform to said peripheral hermetical seal and to cooperate therewith so that the atmospheric pressure acting on said seal tends to increase the engagement of said seal with said sheet metal panel and said pane of glass.

References Cited (Backward Citations)

US2469496A Cited
US3893443A Cited
US3961619A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-10-03 1981-04-04 1981-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-10-03 1985-04-04 1985-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-10-03 1989-04-04 1989-10-04 $7700.00 Window Closed / Lapsed

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