Construction machine

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United States of America Patent

PATENT NO 11448115
APP PUB NO 20210003062A1
SERIAL NO

16979347

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Two oil coolers (30, 32) are disposed so as to face each other in a front half of the inside of a heat exchanger chamber (26) defined in an upper revolving body (5), one oil cooler (31) is disposed in a rear half, and a space (E) formed between the oil coolers is used as work and passage spaces. Outside air as cooling air is allowed to pass through the respective oil coolers (30 to 32) by cooling fans (35), and cooling air that has passed through each of the two oil coolers (30, 32) disposed so as to face each other is made to mutually collide, and is discharged to the outside through a side outlet (38) of a front wall (26a) and a first upper outlet (39) of a ceiling (26e) of the heat exchanger chamber (26). Cooling air that has passed through the other one oil cooler (31) is made to collide with a left side wall (26c), and is discharged to the outside through a second upper outlet (40) of the ceiling (26e).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HITACHI CONSTRUCTION MACHINERY CO LTDTAITO-KU TOKYO 110-0015

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishii, Nobuhiro Tsuchiura, JP 5 32
Sato, Kei Tsuchiura, JP 208 1655
Seo, Koji Tsuchiura, JP 20 319

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