Heat exchanger

Details Heat exchanger Heat exchanger

2007-02-13

2007-02-13

Leo, Leonard R. (Department: 3753)

Heat exchange

Expansion and contraction relieving or absorbing means

C165S051000

Reexamination Certificate

active

10493467

ABSTRACT:
The invention relates to an exhaust-gas thermal conductor (1), comprising a tube array with exhaust gas flowing therethrough and cooling medium flowing around the same. The tube array is welded to a tube base (5), connected to the housing (2). As a result of varying temperature effects on the tubes and on the housing (2) whilst operating the exhaust gas thermal conductor (1), thermal stresses, as a result of differing expansion of the tubes and the housing (2), occur. According to the invention, said stresses may be avoided, whereby slots (8-10) are arranged in the housing sleeve (2), which are externally sealed by means of a bellows.

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