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1. (WO2018179218) INTERNAL COMBUSTION ENGINE

Pub. No.:    WO/2018/179218    International Application No.:    PCT/JP2017/013249
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Fri Mar 31 01:59:59 CEST 2017
IPC: F02D 45/00
F02B 77/00
Applicants: HONDA MOTOR CO., LTD.
本田技研工業株式会社
Inventors: IKEBE Yoshiyuki
池邊 慶亨
HARADA Makoto
原田 誠
MATSUBARA Fumihiko
松原 史彦
DEGUCHI Toshiaki
出口 寿明
Title: INTERNAL COMBUSTION ENGINE
Abstract:
An internal combustion engine (23) includes: a crankcase (31) which defines a crank chamber (43); a crankshaft (32) which has a crank accommodated in the crank chamber (43) and is rotatably supported by the crankcase (31); a cylinder block (33) which is coupled to the crankcase (31) and defines a plurality of horizontally opposed cylinders; a detection member (61) which rotates integrally with the crankshaft (32); and a detection sensor (62) which penetrates the crankcase (31) from the upper surface of the crankcase (31), faces the trajectory of the detection member (61), and generates a pulse signal according to the movement of the detection member (61). An arrangement structure of a detection sensor capable of detecting the angular velocity of a crankshaft with high accuracy in a so-called horizontally opposed type internal combustion engine is thereby provided.