Patent ID: 7971631
Filing Date: 2011-07-05
Classification: F28D,F28F,Y10T

Abstract:
1. A heat exchanger unit for motor vehicles comprising: a first heat exchanger including two spaced collector pipes that are connected together in terms of flow, wherein a cross-section of a wall of one of the collector pipes of the first heat exchanger has a non-circular shape; a second heat exchanger positioned adjacent to the first heat exchanger and including two spaced collector pipes, wherein the second heat exchanger is a condenser and a cross-section of a wall of at least one of the collector pipes of the second heat exchanger is one of oval, elliptical, or circular in shape, and wherein a front wall of at least one of the collector pipes of the first heat exchanger faces an adjacent collector pipe of the second heat exchanger, the front wall having a continuously convex cross-section, a first one of the collector pipes of the first heat exchanger being positioned adjacent to one of the collector pipes of the second heat exchanger, and a second one of the collector pipes of the first heat exchanger being positioned adjacent to the other collector pipe of the second heat exchanger, and a collector connected to one of the collector pipes of the second heat exchanger.