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1. (WO2017022720) CYLINDER HEAD COOLING STRUCTURE

Pub. No.:    WO/2017/022720    International Application No.:    PCT/JP2016/072533
Publication Date: Fri Feb 10 00:59:59 CET 2017 International Filing Date: Tue Aug 02 01:59:59 CEST 2016
IPC: F02F 1/36
F01P 3/02
Applicants: ISUZU MOTORS LIMITED
いすゞ自動車株式会社
Inventors: HAYASAKI Tsunaki
早崎 綱記
Title: CYLINDER HEAD COOLING STRUCTURE
Abstract:
This cylinder head cooling structure is provided with: an intake-side cooling flow passage 20; inter-cylinder cooling flow passages 23; inter-port cooling flow passages 24; first cooling water supply flow passages 25A to 25C having upstream ends which are connected to a cooling water supply passage 50 provided in a cylinder block 2 of an engine, and downstream ends which merge with the upstream ends of the inter-cylinder cooling flow passages 23; and isolating walls 30 which are provided extending obliquely within the inter-cylinder cooling flow passages 23, from upstream side cylinder exhaust ports 12B to exhaust side cylinder intake ports 13A, thereby dividing the inter-cylinder cooling flow passages 23.