Title (en)

Heat exchanger with inner fin

Title (de)

Wärmetauscher mit innerer Rippe

Title (fr)

Echangeur de chaleur avec ailette interne

Publication

EP 0962737 A3 20001115 (EN)

Application

EP 99109352 A 19990601

Priority

IT VI980109 A 19980601

Abstract (en)

[origin: EP0962737A2] A wall for exchanging heat between a relatively warm fluid, which flows through a tubular passage (3) delimited within a heat-conducting wall (4), and a relatively cold fluid, which externally surrounds and encircles the exchange wall (4), characterized in that the exchange wall (4) is internally provided with a plurality of fins which protrude radially inside the tubular passage and delimit, between them, a plurality of slots (5) for the flow of a fluid. <IMAGE>

IPC 1-7

F28F 1/40

IPC 8 full level

F24H 1/20 (2006.01); F28F 1/40 (2006.01)

CPC (source: EP)

F24H 1/206 (2013.01); F28F 1/40 (2013.01)

Citation (search report)

• [X] GB 735964 A 19550831 - HEURTEY & CIE
• [X] DE 9409348 U1 19940811 - VIESSMANN WERKE KG [DE]
• [XAY] US 4263878 A 19810428 - HURLEY JAMES R, et al
• [Y] US 5313914 A 19940524 - WOOLLEN DONALD E [US]
• [X] FR 854120 A 19400405
• [XA] EP 0497224 A1 19920805 - VIESSMANN HANS [DE]

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0962737 A2 19991208; EP 0962737 A3 20001115; IT VI980109 A1 19991201

DOCDB simple family (application)

EP 99109352 A 19990601; IT VI980109 A 19980601