FIELD: heating.
SUBSTANCE: invention relates to the device with heat exchanger for the vehicle thermoelectric generator. The device with the heat exchanger (1), that at least has casing (2) with located along the axial direction (3) inlet hole (4) at the first end (5) and outlet hole (6) at the second end (7) for the fluid (8), and at least external enclosure-pipe (9) and located concentrically to it internal enclosure-pipe (10). Besides, the casing (2) has adjacent to the inlet hole (4) ring first channel (11) and ring second channel (12) located upstream the outlet hole (6). The first channel and second channel (12) are connected by multiple paths (13) for fluid (8) flow, that go in the intermediate space (14) between the internal enclosure-pipe (10) and external enclosure-pipe (9) in the axial direction (3). In multiple paths (13) of flow correspondingly at least one pipe (15) of the heat exchanger is located. The fluid (8) via the inlet hole (4) enters the ring first channel (11), and then via multiple paths (13) of flow is directed to the ring second channel (12), and leaves the casing (2) via the outlet hole (6). The internal enclosure-pipe (10) and/or external enclosure-pipe (9) has the going in axial direction (3) structuring (16), that in the peripheral direction (17) creates alternatively narrowing (18) of the cross-section and expansion (19) of the cross-section in the intermediate space (14). The expansions (19) of the cross-section create one path (13) of flow respectively. Besides vehicle with the internal combustion engine (24) and exhaust pipeline (25), and located in the exhaust pipeline (25) device with heat exchanger are described.
EFFECT: increased efficiency during the heat energy transformation from the spent gases.
5 cl, 4 dwg
