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1. WO2000043662 - EGR COOLER

Publication Number WO/2000/043662
Publication Date 27.07.2000
International Application No. PCT/JP2000/000217
International Filing Date 19.01.2000
Chapter 2 Demand Filed 18.08.2000
IPC
F02M 25/07 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
25Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
06adding lubricant vapours
07adding exhaust gases
F28F 9/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
9Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
02Header boxes; End plates
F28F 9/18 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
9Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
02Header boxes; End plates
04Arrangements for sealing elements into header boxes or end plates
16by permanent joints, e.g. by rolling
18by welding
CPC
F02M 26/11
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
26Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
11Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
F02M 26/32
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
26Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
13Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
22with coolers in the recirculation passage
29Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
32Liquid-cooled heat exchangers
F28D 21/0003
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
21Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
0001Recuperative heat exchangers
0003the heat being recuperated from exhaust gases
F28F 9/0229
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
9Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
02Header boxes; End plates
0229Double end plates; Single end plates with hollow spaces
F28F 9/182
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
28HEAT EXCHANGE IN GENERAL
FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
9Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
02Header boxes; End plates
04Arrangements for sealing elements into header boxes or end plates
16by permanent joints, e.g. by rolling
18by welding
182the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
Y02T 10/121
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
10Road transport of goods or passengers
10Internal combustion engine [ICE] based vehicles
12Technologies for the improvement of indicated efficiency of a conventional ICE
121Adding non fuel substances or small quantities of secondary fuel to fuel, air or fuel/air mixture
Applicants
  • HINO MOTORS, LTD. [JP/JP]; 1-1, Hinodai 3-chome Hino-shi, Tokyo 191-8660, JP (AllExceptUS)
  • NAKAGOME, Keiichi [JP/JP]; JP (UsOnly)
  • TAKAKURA, Takashi [JP/JP]; JP (UsOnly)
Inventors
  • NAKAGOME, Keiichi; JP
  • TAKAKURA, Takashi; JP
Agents
  • YAMADA, Tsunemitsu ; 2nd Yahagi Bldg. 5-3, Uchikanda 3-chome Chiyoda-ku, Tokyo 101-0047, JP
Priority Data
11/1177720.01.1999JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) EGR COOLER
(FR) REFROIDISSEUR EGR
Abstract
(EN)
A shell and tube type water-cooled EGR cooler capable of preventing an engine trouble from occurring by the adoption of such a structure that cooling water does not leak to an exhaust gas flow path, wherein the end part of a tube (3) going through a plate (2) is formed as a tapered part (14) of which diameter is increased gradually toward a side opposite to a shell (1) and its entire region is welded to the plate (2) by a laser irradiation (L) from the side opposite to the shell (1), and the end part of the plate (2) is formed as a notch part (15) at the side opposite to the shell (1), and the end part of the tube (3) is welded to the plate (2) by the laser irradiation (L) from the side opposite to the shell (1).
(FR)
L'invention se rapporte à un refroidisseur EGR refroidi par eau, du type à calandre, qui peut empêcher la survenue de défauts dans un moteur grâce à une structure empêchant l'eau de refroidissement de fuir sur un chemin d'écoulement des gaz d'échappement. Dans ce refroidisseur, la partie terminale d'un tube (3) traversant une plaque (2) se présente sous la forme d'une partie conique (14) dont le diamètre décroît progressivement en direction opposée à une calandre (1) et dont la totalité de la surface est soudée à la plaque (2) par rayonnement laser (L) à partir du côté opposé à la calandre (1), la partie terminale de la plaque (2) se présente sous la forme d'une partie en entaille (15) du côté opposé à la calandre (1), et la partie terminale du tube (3) est soudée à la plaque (2) par rayonnement laser (L) à partir du côté opposé à la calandre (1).
Also published as
US09889152
Latest bibliographic data on file with the International Bureau