Title: Heat exchanger

Abstract: A heat exchanger has at least two cylindrical shells defining annular chambers lying one within the other. One of the annular chambers receives a tube bundle consisting of straight tubes while the other annular chamber receives a tube bundle of coiled tubes. The heat exchanger is particularly suitable for the heating of feed water (traversing the tubes) with steam (traversing the annular chambers) in a power plant in which the heat exchanger is disposed directly beneath the turbine on the turbine mount.

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Inventors: Schneeberger, Martin (Wolfratshausen, DT)
Wittmann, Dieter (Geretsried, DT)

Application Number: 720427
Filing Date: 1976-09-03
Publication_date: 1978-04-18
Assignee: Linde AG (Wiesbaden, DT)
Primary Class(es): 122/32 165/140, 165/145, 165/163
Other Classes:
US Patent Ref:

2819882	Jan, 1958	Stephani	165/140.
3316961	May, 1967	Dorner	165/145.
3742915	Jul, 1973	Meshii	165/145.

Other Refs: 1,205,952

Aug, 1959	FR

Primary Examiner: Sprague, Kenneth W.
Assistant Examiner:
Attorney: Ross; Karl F.