Eberspächer Exhaust Technology Gmbh & Co. Kg

Marc Hartmann

Gerd Gaiser

Markus Birgler

Fabian Frobenius

Matthias Feuerbach

Jürgen Schweizer

Rouven Egger

Dimitri Penner

Bernd Weller

Stefan Geser

A heat exchanger () includes a housing (), which contains a tube () and has a jacket (), which surrounds the tube () while forming a ring channel (). A primary inlet () and a primary outlet () are connected to one another fluidically via a primary path () carrying a primary medium through ring channel () and via a bypass path () carrying the primary medium through the tube (). A control device () controls the flow of the primary medium through the primary path () and the bypass path (). A secondary inlet () and a secondary outlet () are connected to one another fluidically via at least two secondary paths () for carrying a secondary medium. The primary path () is coupled with the secondary paths () in a heat-transferring manner with the media separated from one another.

Heat exchanger

A heat exchanger () includes a housing (), which contains a tube () and has a jacket (), which surrounds the tube () while forming a ring channel (). A primary inlet () and a primary outlet () are fluidically connected with one another via a primary path () carrying a primary medium through the ring channel () and via a bypass path () carrying the primary medium through the tube (). A control () controls the flow of the primary medium through the primary path () and through the bypass path (). At least two secondary inlets () and two secondary outlets () are fluidically connected with one another via at least two secondary paths () for carrying at least one secondary medium. The primary path () is coupled with the secondary paths () in a heat-transferring manner and such that the media are separated from one another.

A steam generator () is provided for a Rankine cycle, especially for a waste heat recovery device () of an internal combustion engine (), and preferably in a motor vehicle. The steam generator includes: a heat exchanger channel (), in which a heat exchanger () is arranged, and a bypass channel () for bypassing the heat exchanger channel (). A heating fluid can flow through the heat exchanger channel () and bypass channel () during the operation of the steam generator (). A medium to be evaporated can flow through the heat exchanger () during operation of the steam generator (). A compact structural shape with high energy efficiency is achieved with the heat exchanger channel () enveloping the bypass channel ().

Steam generator for a rankine cycle

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Rottenburg, Germany

Marc Hartmann