Title:
WHEEL LOADER
Document Type and Number:
WIPO Patent Application WO/2012/086521
Kind Code:
A1
Abstract:
A wheel loader is provided with a cooling chamber (7) in which a cooling fan and a cooling device are housed, and a grille (12) through which cooling air obtained by the cooling fan passes. The grille (12) is provided with: a frame body (16) comprising four peripheral sides; and an air permeable section (17) consisting of perforated metal, the air permeable section (17) having a large number of suction holes and provided within the frame body (16). The air permeable section (17) is formed in a stair-like shape having vertically arranged steps formed by plastically working the perforated metal, and has a three-dimensionally curved surface protruding in two directions toward the outside of the cooling chamber (7).
Inventors:
NAITO Toru (Tsu-23 Futsu-machi, Komatsu-sh, Ishikawa 92, 〒9230392, JP)
内藤 亨 (〒92 石川県小松市符津町ツ２３ 株式会社小松製作所 粟津工場内 Ishikawa, 〒9230392, JP)
内藤 亨 (〒92 石川県小松市符津町ツ２３ 株式会社小松製作所 粟津工場内 Ishikawa, 〒9230392, JP)
Application Number:
JP2011/079089
Publication Date:
June 28, 2012
Filing Date:
December 15, 2011
Export Citation:
Assignee:
KOMATSU LTD. (2-3-6, Akasaka Minato-k, Tokyo 14, 〒1078414, JP)
株式会社小松製作所 (〒14 東京都港区赤坂２丁目３番６号 Tokyo, 〒1078414, JP)
NAITO Toru (Tsu-23 Futsu-machi, Komatsu-sh, Ishikawa 92, 〒9230392, JP)
株式会社小松製作所 (〒14 東京都港区赤坂２丁目３番６号 Tokyo, 〒1078414, JP)
NAITO Toru (Tsu-23 Futsu-machi, Komatsu-sh, Ishikawa 92, 〒9230392, JP)
International Classes:
B60K11/04; B60K11/08; B60R19/52; E02F9/00
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (3rd floor, Ogikubo TM Building26-13, Ogikubo 5-chom, Suginami-ku Tokyo 51, 〒1670051, JP)
Claims:
Previous Patent: INKJET HEAD UNIT AND INKJET RECORDING DEVICE
Next Patent: PHOTOELECTRIC CONVERSION DEVICE AND METHOD FOR MANUFACTURING SAME
Next Patent: PHOTOELECTRIC CONVERSION DEVICE AND METHOD FOR MANUFACTURING SAME