Heat exchange – Conduit within – or conforming to – panel or wall structure – Opposed plates or shells
Patent
1977-04-22
1979-04-24
Richter, Sheldon J.
Heat exchange
Conduit within, or conforming to, panel or wall structure
Opposed plates or shells
126271, 165174, F28F 312, F24J 302
Patent
active
041507207
ABSTRACT:
A heat exchanger of thermoplastic materials, e.g. polypropylene, comprises two spaced-apart headers interconnected by an extruded board comprising a plurality of tubular passages extending from one end of the board to the other; each header having a longitudinal groove in its exterior surface and a plurality of holes spaced along the groove, interconnecting the groove and the interior of the header; each end of the board being located along the groove of one of the headers and held in position by a sealing bead adhering to both the header and the board, the bead extending continuously right round the mouth of the groove where adjacent to the board, to seal against loss of any fluid flowing between the header and the tubular passages. The heat exchanger can be readily adapted for use as a solar energy collector. The board and headers are preferably polypropylene extrusions secured together and sealed by extrusion welding using an extruded bead of a polypropylene composition.
REFERENCES:
patent: 3039453 (1962-06-01), Andrassy
patent: 3934323 (1976-01-01), Ford et al.
patent: 3987784 (1976-10-01), Godrick
patent: 4031881 (1977-06-01), Thiel
patent: 4060070 (1977-11-01), Harter
Imperial Chemical Industries Limited
Richter Sheldon J.
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