Heat exchanger for gaseous media

摘要

The heat exchanger has a stack of first flow channels (5) extending in a first direction (3), second flow channels between them extending in a second direction (4) and inner and outer distance holders parallel to the first and second directions. It has corrugated profiles with lens-shaped nubs in flat sections and walls welded together in gas -tight manner to form a block (1) with the first and second flow channels.