Patent ID: 7191821

Claim:
A plate heat exchanger comprising a number of heat exchanger plates, which are substantially parallel to an extension plane (x, z) and arranged adjacent to each other in a plate package, a first end plate and a second end plate, which are substantially parallel to the extension plane (x, z) and arranged on a respective side of the plate package, and a device for keeping the plate package together in such a way that the heat exchanger plates abut each other, wherein the device comprises two separate tie sheets consisting of a first tie sheet and a second tie sheet, which are arranged on a respective side of the plate package substantially perpendicular to the extension plane (x, z), at least a first connection member extending between the tie sheets outside the first end plate, and at least a second connection member extending between the tie sheets outside the second end plate, wherein the first connection member includes at least a first attachment of each of the tie sheets and at least a first beam, which extends in parallel with the extension plane (x, z) outside the first end plate and engages the first attachment of each tie sheet.