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Patent Searching and Data


Title:
HEAT EXCHANGER AND METHOD FOR PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/2010/057603
Kind Code:
A3
Abstract:
The invention relates to a heat exchanger for transferring heat from a heating medium, particularly the exhaust flow of an internal combustion engine, to a working medium that evaporates in the heat exchanger, comprising an alternating stacking sequence of guiding layers for the heating medium and guiding layers for the working medium; in which the heating medium and the working medium are guided in cross counter flow; wherein each guiding layer for the working medium comprises a channel plate that exhibits at least one meandering through-hole and wherein cover plates are arranged on both sides of the channel plate that seal the through-hole laterally except for one inlet and one outlet, forming a working medium channel, wherein the channel plate is connected to the cover plates by a firm bond; and wherein the working medium channel comprises a first section originating from the inlet, said first section having a first free cross-section, and a second section flowing into the outlet, said second section having a second free cross-section that is wider than the first free cross-section.

Inventors:
BAUSCH CHRISTIAN (DE)
BERGER JUERGEN (DE)
Application Number:
PCT/EP2009/008133
Publication Date:
May 26, 2011
Filing Date:
November 16, 2009
Export Citation:
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Assignee:
VOITH PATENT GMBH (DE)
BAUSCH CHRISTIAN (DE)
BERGER JUERGEN (DE)
International Classes:
F28F13/08
Domestic Patent References:
WO2007045406A12007-04-26
Foreign References:
US20040159424A12004-08-19
GB629385A1949-09-19
DE4006777A11991-09-26
US20020092166A12002-07-18
JPS6149995A1986-03-12
US5099913A1992-03-31
JP2001027157A2001-01-30
Other References:
See also references of EP 2347211A2
Attorney, Agent or Firm:
DR. WEITZEL & PARTNER (Heidenheim, DE)
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