EP 0020489 B1 19820915 - HEAT EXCHANGER FOR GAS MIXED BOILER
Title (en)
HEAT EXCHANGER FOR GAS MIXED BOILER
Publication
Application
Priority
FR 7830856 A 19781031
Abstract (en)
[origin: WO8000999A1] A bundle of small rectilinear pipes (2a, 2b, 2c...) connected in series wherein a secondary fluid circulates, arranged in a fin tube (1) wherein a primary fluid circulates, has undulations inclined in opposite direction onto both sections of adjacent pipes (2a, 2b), (2b, 2c)..., which avoid the overlapping between the spirals of two adjacent pipes. Application to gas mixed boilers.
IPC 1-7
IPC 8 full level
F24H 1/52 (2006.01); F24H 1/22 (2006.01); F28D 7/10 (2006.01); F28F 9/24 (2006.01)
CPC (source: EP)
F24H 1/52 (2013.01); F24H 1/526 (2013.01)
Designated contracting state (EPC)
AT CH DE GB NL
DOCDB simple family (publication)
WO 8000999 A1 19800515; BE 879696 A 19800215; DE 2963687 D1 19821104; EP 0020489 A1 19810107; EP 0020489 B1 19820915; ES 485446 A1 19800616; FR 2440534 A1 19800530; FR 2440534 B1 19810508; IT 1124876 B 19860514; IT 7926971 A0 19791031; JP S55500878 A 19801030
DOCDB simple family (application)
FR 7900094 W 19791017; BE 197863 A 19791029; DE 2963687 T 19791017; EP 79901327 A 19800520; ES 485446 A 19791026; FR 7830856 A 19781031; IT 2697179 A 19791031; JP 50171179 A 19791017