COOLER Russian patent published in 1996 - IPC

FIELD: cooling systems of transportation facilities. SUBSTANCE: cooler used for power plant of diesel locomotives has headers with tube boxes 1 accommodating rectangular-section bundle of flat heat-transfer tubes 2 finned by common plates 3; tube boxes 1 and four tubes 5 are made of steel at corners of tube bundle and are joined together by welding; cooler is provided with shaped rubber gaskets 4 fitted onto ends of tubes 2 and with sealing plates 6 and 9 having to receive tubes 2; sealing plates hold ends of gaskets 4 tight against both sides of tube boxes 1 and are joined together over perimeter by means of bolts 7 and 8. EFFECT: reduced prime cost of cooler due to use of cheap materials. 1 dwg