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1. EP1832731 - COOLING STRUCTURE OF CONSTRUCTION MACHINE

Office
European Patent Office
Application Number 05820179
Application Date 26.12.2005
Publication Number 1832731
Publication Date 12.09.2007
Publication Kind A4
IPC
F01P 5/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
5Pumping cooling-air or liquid coolants
02Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
06Guiding or ducting air to or from ducted fans
E02F 9/00
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
FDREDGING; SOIL-SHIFTING
9Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/-E02F7/160
F01P 11/10
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
11Component parts, details, or accessories, not provided for in, or of interest apart from, groups F01P1/-F01P9/149
10Guiding or ducting cooling-air to or from liquid-to-air heat-exchangers
F01P 11/12
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
11Component parts, details, or accessories, not provided for in, or of interest apart from, groups F01P1/-F01P9/149
12Filtering, cooling, or silencing cooling-air
CPC
E02F 9/0866
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
FDREDGING; SOIL-SHIFTING
9Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
08Superstructures; Supports for superstructures
0858Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
0866Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
F01P 5/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
5Pumping cooling-air or liquid coolants
02Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
06Guiding or ducting air to, or from, ducted fans
F01P 11/10
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
11Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
10Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
F01P 11/12
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
11Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
12Filtering, cooling, or silencing cooling-air
Applicants KOBELCO CONSTR MACH CO LTD
Inventors NAKASHIMA HAJIME
TANIUCHI TOMOYA
KIMURA YASUMASA
KINOSHITA SHINICHI
Designated States
Priority Data 2004377801 27.12.2004 JP
2004377802 27.12.2004 JP
Title
(DE) K√úHLSTRUKTUR EINER BAUMASCHINE
(EN) COOLING STRUCTURE OF CONSTRUCTION MACHINE
(FR) STRUCTURE DE REFROIDISSEMENT D'EQUIPEMENT DE CONSTRUCTION
Abstract
(EN) Problem: To improve a soundproof performance on an air intake side of a cooling structure of a construction machine without enlarging an air intake chamber. Solution: An air intake chamber (16) is provided on the air intake side of a heat exchanger (15) in an engine room (12), and a first air intake port (17) is formed in a top face of the air intake chamber (16). In the air intake chamber (16), a duct (18) independently formed as a shield member is disposed so as to partition the air intake chamber (16) into two chambers (16a), (16b), and also in a manner such that the core surface (15a) of the heat exchanger (15) is enclosed airtightly from the surrounding atmosphere. A second air intake port (24) is formed in the duct (18); thereby, the air intake chamber (16) is constituted in a doubled duct structure, and air sucked from the first air intake port (17) is guided through an air intake passage to the core surface (15a) of the heat exchanger (15), the air intake passage being bent so as to be roughly L-shaped.
(FR) L'invention entend améliorer les performances d’isolation phonique d’une structure de refroidissement sur un équipement de construction sur un côté admission sans accroître la taille d’une chambre d’admission. La chambre d’admission (16) est formée dans un local machine (12) sur le côté admission d’un échangeur de chaleur (15), et un premier orifice d’admission (17) est ménagé dans la partie de surface supérieure de la chambre d’admission (16). Un conduit indépendant (18), servant d’organe de protection, est installé dans la chambre d’admission (16) de façon à entourer de manière étanche à l’air la surface centrale (15a) de l’échangeur de chaleur (15) de la périphérie, et l’intérieur de la chambre d’admission (16) peut être divisé en deux chambres (16a) et (16b). Un deuxième orifice d’admission (23) est ménagé dans le conduit (18) pour former la chambre d’admission (16) en double structure de conduit de façon à diriger l’air aspiré du premier port d’admission (17) à la surface centrale (15a) de l’échangeur de chaleur au travers d’un passage d’admission courbé approximativement en L.