Patent ID: 9194605
Filing Date: 2015-11-24
Classification: F24D,F24H

Abstract:
1. A heat exchanger, having: an exchanger inlet and an exchanger outlet for a fluid, an exchanger unit including a plurality of coiled conduits substantially coaxial to each other for the fluid, comprising at least one first and one second conduit, the first and the second conduit having coils of different diameter, such that the second conduit forms a helix extending within a helix formed by the first conduit, and a casing defining a chamber for housing the exchanger unit, the casing having a first end wall, a second end wall and a peripheral part between the two end walls, the chamber being adapted to receive a heat exchange medium for heat exchange with the fluid, the first end wall having a through opening defining a mouth of said chamber, wherein each conduit of the plurality has an inlet and an outlet, the outlet of the first conduit being connected in series with the inlet of the second conduit, such that the fluid exiting the outlet of the first conduit enters the inlet of the second conduit, wherein the heat exchanger comprises a supporting arrangement for the exchanger unit the supporting arrangement being supported by the first end wall of the casing, such that the exchanger unit is supported by the first end wall of the casing via the supporting arrangement, and wherein the inlet of the first conduit and the outlet of the second conduit are at the first end wall of the casing, the exchanger inlet and the exchanger outlet being both at the first end wall of the casing.