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1. (WO2017183268) AIR INTAKE DUCT

Pub. No.:    WO/2017/183268    International Application No.:    PCT/JP2017/005405
Publication Date: Fri Oct 27 01:59:59 CEST 2017 International Filing Date: Thu Feb 16 00:59:59 CET 2017
IPC: F02M 35/16
B60K 13/02
F02M 35/10
Applicants: HINO MOTORS, LTD.
Inventors: KIMURA Masahiro
木村 昌裕
松橋 高広
Provided is an air intake duct 6 for taking in, as intake air for an engine, outside air from an air intake port 2 that opens to the outer side in the vehicle width direction of a head section 4a mounted on the top surface of a cab of a vehicle, the air intake duct being configured such that: the air intake port 2 opens so as to avoid the area immediately above a duct section 4b that extends downward from the bottom surface of a rear section of the head section 4a along the rear surface of the cab; a level difference is formed at the rear end of the air intake port 2 toward the inner side in the vehicle width direction; and a guide section 7 is formed so as to make the level difference continuous though a concavely curved surface that forms a circular arc when seen in a plan view.