VEHICLE POWER PLANT COOLING DEVICE Russian patent published in 2008 - IPC B60K11/00 F28D1/04 

FIELD: transport and agricultural engineering; power plant cooling systems.

SUBSTANCE: device contains first heat exchanger for cooling first medium to be cooled by flow of external air passing through front surface of first heat exchanger. Second heat exchanger of device is designed for cooling second medium to be cooled by flow of external air passing through front surface of second heat exchanger. Third heat exchanger of device is designed for cooling third medium to be cooled by flow of external air passing through third front surface of third heat exchanger. Third heat exchanger is arranged over second heat exchanger so that their front surfaces do not overlap. Each heat exchanger contains inlet and outlet channels and two manifolds between which pack of tubular members is arranged being enclosed between upper and lower pressure members. Tubular members in pack are coupled by two support members, one of which is in tight contact over entire contact surface with first manifold, and the other is in tight contact over entire contact surface with second manifold. Support members are rigidly coupled with pressure members and are made so that one end of each tubular member communicates with first manifold, and other end communicates with second manifold. First heat exchanger is arranged under second heat exchanger so that their front surfaces do not overlap. Pack of tubular members of each heat exchanger is provided with intertube corrugated attachments forming channels to pass medium to be cooled and intertube corrugated attachments to form channel to pass external air. Manifolds, pressure and support members, corrugated attachments, inlet and outlet channels of each heat exchanger are manufactured of aluminum alloys.

EFFECT: reduced overall dimensions of cooling device, increased heat exchanger effectiveness.

25 cl, 1 tbl, 2 dwg