FIELD: transport engineering. SUBSTANCE: invention relates to heat exchange devices and can be used as recuperator in engine exhaust gas heat recovery system for heating automobile interior. Gas-liquid heat exchanger has heat exchange matrix in space enclosing the tube with ports to pass gas into matrix space, and bypass shutter installed in tube. Shutter is made in form of two leaves installed for overlapping the ports and closing by turning around axis normal to tube axis. EFFECT: increased reliability of heating system with gas-liquid heat exchanger. 2 cl, 3 dwg
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Authors
Dates
2000-06-27—Published
1999-01-26—Filed