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1. WO2018154227 - BRAZED HEAT EXCHANGER AND ASSOCIATED MANUFACTURING METHOD

Publication Number WO/2018/154227
Publication Date 30.08.2018
International Application No. PCT/FR2018/050398
International Filing Date 20.02.2018
IPC
F28D 1/053 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEAT STORAGE PLANTS OR APPARATUS IN GENERAL
1Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
02with the heat-exchange conduits immersed in the body of fluid
04with tubular conduits
053the conduits being straight
F28F 1/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
1Tubular elements; Assemblies of tubular elements
02Tubular elements of cross-section which is non-circular
CPC
F28D 1/0535
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
1Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
02with heat-exchange conduits immersed in the body of fluid
04with tubular conduits
053the conduits being straight
0535the conduits having a non-circular cross-section
F28F 1/025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
1Tubular elements; Assemblies of tubular elements
02Tubular elements of cross-section which is non-circular
025with variable shape, e.g. with modified tube ends, with different geometrical features
F28F 2265/26
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
2265Safety or protection arrangements; Arrangements for preventing malfunction
26for allowing differential expansion between elements
Applicants
  • VALEO SYSTEMES THERMIQUES [FR]/[FR]
Inventors
  • BESNARD, Jean-Yves
Agents
  • TRAN, Chi-Hai
Priority Data
175145823.02.2017FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) BRAZED HEAT EXCHANGER AND ASSOCIATED MANUFACTURING METHOD
(FR) ÉCHANGEUR DE CHALEUR BRASÉ ET PROCÉDÉ DE FABRICATION ASSOCIÉ
Abstract
(EN)
The present invention relates to a brazed heat exchanger (1) comprising: a bundle of tubes (2) comprising a multitude of tubes (2) arranged parallel to one another, said bundle of tubes (2) comprising inserts (6) placed between the tubes (2), the tubes (2) comprising two long sides (21a, 21b) and two short sides (22a, 22b) connecting the edges of said long sides (21a, 21b), two headers (3), one header (3) being arranged on each side of the bundle of tubes (2), each header (3) comprising a header plate (4), said header plate (4) comprising orifices inside which the ends of the tubes (2) are fitted, the surface of the long sides (21a, 21b) of the tubes (2) comprising stampings (25) extending from the edges of the long sides (21a, 21b) and extending towards the centre of said long sides (21a, 21b), said stampings (25) being produced at the ends of the tubes (2) between the ends of the inserts (6) and the header plate (4).
(FR)
La présente invention concerne un échangeur de chaleur (1) brasé comprenant : un faisceau de tubes (2) comportant une multitude de tubes (2) disposés parallèlement les uns aux autres, ledit faisceau de tubes (2) comportant des intercalaires (6) disposés entre les tubes (2), les tubes (2) comportant deux grands côtés (21a, 21b) et deux petits côtés (22a, 22b) reliant les bords desdits grands côtés (21a, 21b), deux collecteurs (3), un collecteur (3) étant disposé de chaque côté du faisceau de tubes (2), chaque collecteur (3) comportant une plaque collectrice (4), ladite plaque collectrice (4) comprenant des orifices à l'intérieur desquels sont introduits les extrémités des tubes (2), la surface des grands côtés (21a, 21b) des tubes (2) comportant des estampages (25) s'étendant depuis les bords des grands côtés (21a, 21b) et se prolongeant en direction du centre desdits grands côtés (21a, 21b), lesdits estampages (25) étant réalisés aux extrémités des tubes (2), entre les extrémités des intercalaires (6) et la plaque collectrice (4).
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