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(11) | EP 0 932 008 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Radiator, in particular for heating systems, with a high resistance to internal pressure |
| (57) A radiator (1) having at least one module (2) including: a tubular portion (3) with
a flat cross section (4); opposite top and bottom ends (7,8) having respective lateral
hydraulic fittings (10) substantially aligned along a minor axis of the cross section;
and a finned portion (5) formed integrally in one piece with a lateral wall (13) of
the tubular portion (3); the finned portion including first fins (11) originating
directly from the tubular portion, and second fins (12) originating transversely from
respective front ribs (13) in turn originating from the tubular portion (3) and perpendicular
to the first fins (11); the ribs being substantially aligned with a major axis of
the cross section; the cross section (4) having a dimension (D), measured along the
major axis, smaller than or equal to 45% of the depth (P) of the module (2), also
measured along the major axis, and a wall thickness (S) ranging between 2.4 and 4.5mm;
and a root portion (20) of each rib (13) having no fins, and having a number of respective
ridges (22) connecting the root portion (20) to the lateral wall (6) of the tubular
portion (3) and to a second fin immediately adjacent to the tubular portion. |