| 主权项 |
1. A heat exchanger with plates assembled in pairs, each pair forming between its plates a first flat flow tube in which a first fluid circulates between a first inlet orifice and a first outlet orifice,
characterised in that: each pair of plates further forms between its plates a second flat flow tube in which a second fluid circulates between a second inlet orifice and a second outlet orifice, the two flat tubes being coplanar (P) and forming parallel arms extending in a longitudinal direction (L) of the plane (P), which direction is itself perpendicular to a transverse direction (T) of the plane (P) in which a transverse air flow traverses the heat exchanger, passing between the pairs of plates, the first tube being upstream in the air flow and the second tube being downstream, the air flow being first in thermal exchange with the first tube, then in thermal exchange with the second tube. |
