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1. WO1997012190 - HEAT EXCHANGER FIN WITH EFFICIENT MATERIAL UTILIZATION

Publication Number WO/1997/012190
Publication Date 03.04.1997
International Application No. PCT/US1996/013391
International Filing Date 19.08.1996
Chapter 2 Demand Filed 18.04.1997
IPC
F28F 1/32 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
10Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
12the means being only outside the tubular element
24and extending transversely
32the means having portions engaging further tubular elements
CPC
F28F 1/325
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
10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
12the means being only outside the tubular element
24and extending transversely
32the means having portions engaging further tubular elements
325Fins with openings
Applicants
  • INTER-CITY PRODUCTS CORPORATION (USA) [US]/[US] (AM, AT, AU, BB, BE, BF, BG, BJ, BR, BY, CA, CF, CG, CH, CI, CM, CN, CZ, DE, DK, EE, ES, FI, FR, GA, GB, GE, GN, GR, HU, IE, IS, IT, JP, KE, KG, KP, KR, KZ, LK, LR, LS, LT, LU, LV, MC, MD, MG, ML, MN, MR, MW, MX, NE, NL, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SN, SZ, TD, TG, TJ, TM, TT, UA, UG, UZ, VN)
  • OBOSU, Charles, B. [US]/[US] (UsOnly)
  • LIM, Alexander, T. [US]/[US] (UsOnly)
Inventors
  • OBOSU, Charles, B.
  • LIM, Alexander, T.
Agents
  • NIEWYK, Anthony
  • RACKETTE, Dr. Karl
Priority Data
08/534,27427.09.1995US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HEAT EXCHANGER FIN WITH EFFICIENT MATERIAL UTILIZATION
(FR) AILETTE D'ECHANGEUR THERMIQUE A UTILISATION OPTIMALE DU MATERIAU
Abstract
(EN)
A heat exchanger (10) including a heat exchanger conduit and fins arranged on the conduit tubes (12, 12') to further heat transfer between the external fluid flowing over the fins (22, 22') and the fluid flowing within the conduit. The fins (22, 22') include a row of apertures through which tubes (12, 12') of the heat exchanger conduit extend. The leading (46) and trailing edges (48) of the fins (22, 22') are contoured to substantially conform to isotherms around the circulating fluid flowing within the tubes (12, 12'). To achieve this edge configuration while also allowing for a dense packing of fins and tubes in a multi-row heat exchanger, the leading and trailing edges are wave shaped such that adjacent fins can interfit together.
(FR)
L'invention porte sur un échangeur thermique (10) comportant un conduit échangeur thermique ainsi que des ailettes disposées dans les tubes (12, 12') du conduit pour augmenter le transfert de chaleur entre le fluide externe s'écoulant sur les ailettes (22, 22') et le fluide s'écoulant sur les ailettes. Ces ailettes (22, 22') comportent une rangée d'ouvertures à travers lesquelles s'étendent des tubes (12, 12') du conduit échangeur thermique. Les bords d'attaque (46) et de fuite (48) des ailettes (22, 22') sont profilés de façon à respecter sensiblement des isothermes autour de l'écoulement de fluide dans les tubes (12, 12'). Afin de réaliser cette configuration des bords tout en permettant un agencement dense des ailettes et des tubes dans un échangeur thermique à rangées multiples, les bords d'attaque et de fuite sont en forme de vague afin que des ailettes contiguës soient en mesure de s'imbriquer.
Also published as
MXPA/a/1998/002389
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