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1. (WO1979000944) A METHOD FOR MANUFACTURING A TUBE ARRAY FOR A HEAT EXCHANGER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1979/000944 International Application No.: PCT/SE1979/000094
Publication Date: 15.11.1979 International Filing Date: 18.04.1979
IPC:
B21D 53/02 (2006.01) ,B23P 15/26 (2006.01) ,F28D 7/02 (2006.01) ,F28F 9/02 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
D
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING
53
Making other particular articles
02
heat exchangers, e.g. radiators, condensers
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
P
OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
15
Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
26
heat exchangers
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28
HEAT EXCHANGE IN GENERAL
D
HEAT-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
7
Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
02
the conduits being helically coiled
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28
HEAT EXCHANGE IN GENERAL
F
DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
9
Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
02
Header boxes; End plates
Applicants:
Inventors:
Priority Data:
780439518.04.1978SE
Title (EN) A METHOD FOR MANUFACTURING A TUBE ARRAY FOR A HEAT EXCHANGER
(FR) METHODE DE FABRICATION D"UN ENSEMBLE DE TUBES POUR UN ECHANGEUR DE CHALEUR
Abstract:
(EN) A tube array for a tubular heat exchanger comprises (i) a cylindrical container (2) having an inlet opening (5) and an outlet opening (6) for a through-flowing fluid, (ii) a plurality of helically coiled tubes (9) which extend axially of the container and which are adapted for a through-flow of another fluid and (iii) a tube mounting member (11) at each end portion of the container for securing the respective ends of the helically coiled tubes (9) and for forming a header for the other fluid flowing through said tubes. Said mounting members have the shape of a tubular sleeve (11) the longitudinal axis of which extends coaxially with the longitudinal axis of the container and are provided with a plurality of tube mounting openings (10) over its peripheral surface in which the ends of the respective tubes (9) are adapted to be permanently secured A method for manufacturing such a tube array according to the invention is substantially distinguished by the step of securing a tubular sleeve (11) with one of its ends, which is closed, to either end of an elongated shaft (13), introducing a rotatable mandrel (16, 16a) into the opposite open end of both the sleeves (11), inserting one end of at least one of the tubes (9) into an associated opening (10) in one of the tubular sleeves (11) and then rotating the mandrels (16, 16a) and thus the sleeves (11) and the shaft (13) connected therewith while winding the tube (9) around the shaft in a helical path towards the other sleeve (11) so as to form a first tube layer around the shaft (l3), after which the other end of the tube (9) is inserted into an associated opening (10) in the other tubular sleeve (11) and finally the two tube ends are permanently secured in the respective sleeve (11), furthermore one or more layers of tubes (9), if desired, being wound helically in the same way between further openings in the tubular sleeves (11) located axially beyond the openings (10) for the tubes (9) in the first layer.
(FR) Un ensemble de tubes pour un echangeur de chaleur tubulaire comprend (i) un recipient cylindrique (2) ayant une ouverture d"entree (5) et une ouverture de sortie (6) pour permettre a un fluide de s"ecouler a travers le recipient, (ii) une pluralite de tubes helicoidaux (9) qui sont disposes axialement dans le recipient et dans lesquels s"ecoule un autre fluide et (iii) un organe de montage des tubes (11), place a chaque extremite du recipient, servant a fixer les extremites respectives des tubes helicoidaux (9) et a forer un collecteur pour l"autre fluide coulant dans lesdits tubes. Lesdits organes de montage ont la forme d"un manchon tubulaire (11) dont l"axe longitudinal est colineaire avec l"axe longitudinal du recipient et sont pourvus d"une pluralite d"orifices de montage des tubes (10) sur la surface peripherique du manchon dans lesquels s"adaptent les extremites des tubes respectifs (9) qui y sont fixes en permanence. Une methode de fabrication d"un tel ensemble de tubes alignes selon l"invention se distingue sensiblement par la fixation d"un manchon tubulaire (11) avec l"une de ses extremites, qui est fermee, a chacune des deux extremites d"un arbre allonge (13), l"introduction d"un mandrin rotatif (16, 16a) dans l"extremite opposee ouverte des deux manchons (11), l"insertion d"une extremite d"au moins un des tubes (9) dans une ouverture ou orifice associe (10) dans l"un des manchons tubulaires (11), la rotation des mandrins (16, 16a) et donc celle des manchons (11) et de l"arbre (13) qui y sont rattaches tout en enroulant le tube (9) autour de l"arbre dans un passage en fore d"helice vers l"autre manchon (11) de maniere a forer une premiere nappe de tubes autour de l"arbre (13), apres quoi l"autre extremite du tube (9) est introduite dans un orifice associe (10) dans l"autre manchon tubulaire (11) et finalement les deux extremites du tube sont fixees en permanence dans leur manchon respectif (11), de plus une ou plusieurs nappes de tubes (9), si on le desire, enroules en helice de la meme maniere entre d"autres orifices des manchons tubulaires (11) situes axialement au-dela des orifices (10) pour les tubes (9) de la premiere couche.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)