F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/14
F28F 3/08 (2006.01)
Patent
CA 1290743
Abstract The present invention relates to a kind of plate heat exchanger (1) comprising several heat exchange plates (2, 2D), which are arranged between a frame plate (3) and a pressure plate (4) and are supported by a lower carrying bar (7), said lower carrying bar (7) and an upper guiding bar (6, 6B) extending through recesses (18) in lower and upper parts, respectively, of the heat exchange plates (2, 2D), and at least the upper part of each heat exchange plate (2, 2D) being provided with at least one lug (19, 20) extending into the upper recess (18) and forming an upper constriction of it for retaining of the heat exchange plate (2, 2D) in position on the guiding bar (6, 6B). According to the invention each heat exchange plate (2, 2D) is flexible enough in the area of said lug (19, 20) to allow the lug to be bent aside perpendlcularly to the plane of the heat exchange plate (2, 2D), providing an opening for insertion of the guiding bar (6, 6B) into the recess (18), and to spring back after mounting of the plate in the plate heat exchanger (1).
541566
Andersson Jarl
Bergqvist Jan-Ove
Nilsson Ebbe
Alfa-Laval Thermal Ab
Borden Ladner Gervais Llp
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