Solar collector with freeze damage protection

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5413091
SERIAL NO

08170343

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A flat plate solar collector (10) of the header/riser type housed in a glazed collector enclosure (14) and having liquid conduits comprising risers (24) intercommunicating with headers (22, 26) at both ends of the risers. The risers are tapered and the headers are surrounded by full heat insulation (28, 30) as defined. The tapering of the risers is effective to prevent bursting of any riser occasioned by freezing of a working liquid especially for example potable water contained therein, by promotion of initial freezing in a localized region of the riser around its minimum cross-sectional area (32) followed by progressive travel of the freezing of the working liquid in the riser in a direction away from the localized region. The full heat insulation is effective to substantially delay total freezing of all the liquid in the headers.

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Patent Owner(s)

Patent OwnerAddress
SOUTHCORP AUSTRALIA PTY LTDADELAIDE LEVEL 23 91 KING WILLIAM STREET SOUTH AUSTRALIA 5000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bourke, Brendan V Stanmore, AU 2 21

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