Heat exchanger incorporating a tube bundle arranged in a cylindrical bundle casing held radially inside an outer cylindrical casing

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United States of America Patent

PATENT NO 4655281
SERIAL NO

06721349

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Abstract

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A steam generator incorporating a tube bundle (2) arranged in a bundle casing (5), in which the wall of bundle casing (5) incorporates openings each corresponding to a supporting component (20), openings along the edge of which are fixed sleeves (15) projecting radially into the space between the casing (5) and the outer wall (3) of the heat exchanger. Each of the supporting components (20) incorporates two cylindrical parts situated in extension of one another, a large-diameter part (20a) welded by its side surface inside the sleeve (15) and a small-diameter part (20b) abutting against the casing (3). Wedges (23) are inserted between the part (20a) of the supporting component (20) and a spacer plate (8) of the heat exchanger. The invention applies, in particular, to steam generators of pressurized water nuclear reactors.

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Patent Owner(s)

Patent OwnerAddress
FRAMATOME ANPTOUR AREVA 1 PLACE DE LA COUPOLE 92400 COURBEVOIE

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Neybourger, Roger Paris, FR 1 2
Olivier, Christian Chatenoy-le-Royal, FR 2 12

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