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    CAM ANGLE SENSOR ATTACHING STRUCTURE FOR INTERNAL COMBUSTION ENGINE
    3.
    发明公开
    CAM ANGLE SENSOR ATTACHING STRUCTURE FOR INTERNAL COMBUSTION ENGINE 审中-公开

    公开(公告)号：EP4265890A3

    公开(公告)日：2023-12-20

    申请号：EP23162167.3

    申请日：2023-03-15

    申请人： Suzuki Motor Corporation

    发明人： YAMAMOTO, Kanji

    IPC分类号： F01L1/053 ,  F02F7/00 ,  F02F1/24 ,  F02B77/08 ,  F02M26/41

    摘要： [Problem to be Solved]
    It is to provide a cam angle sensor attaching structure for an internal combustion engine capable of enhancing stiffness around a point where a cam angle sensor is attached to suppress vibration of the cam angle sensor to thereby prevent accuracy of detecting a rotational angle of a camshaft from deteriorating.
    [Solution]
    An EGR housing portion 25 attached to a cylinder head 4 includes: an upper wall 25D with an attaching boss portion 28A, 28B to which a cam angle sensor 31, 32 is attached, the upper wall being connected to a front wall 25A, a rear wall 25B, and a left side wall 25C; and a tubular EGR passage portion 26 with an EGR passage 26a through which an EGR gas flows, the EGR passage portion being located on the same side as the left side wall 25C. The EGR passage portion 26 includes: an EGR gas inlet 26b provided at the front wall 25A, to introduce the EGR gas into the EGR passage 26a; and an EGR gas outlet 26c provided at the rear wall 25B, to discharge the EGR gas from the EGR passage 26a. The attaching boss portion 28A, 28B is connected to the EGR passage portion 26.

    INTERNAL COMBUSTION ENGINE
    7.
    发明公开
    INTERNAL COMBUSTION ENGINE 审中-公开

    公开(公告)号：EP4155527A3

    公开(公告)日：2023-04-12

    申请号：EP22197298.7

    申请日：2022-09-23

    申请人： JCB Research

    发明人： Browne, Kevin ,  McCarthy, Paul

    IPC分类号： F02M39/00 ,  F02F1/24

    摘要： An internal combustion engine for use with hydrogen fuel is provided, the engine having at least one cylinder assembly. Each cylinder assembly comprises a combustion chamber comprising a cylinder, a cylinder head and a reciprocating piston assembly; two inlet ports within the cylinder head, the inlet ports being selectively closable by a corresponding inlet valve; at least one outlet port within the cylinder head, the at least one outlet port being selectively closable by a corresponding outlet valve; at least one spark plug mounted to the cylinder head; and a piston assembly comprising a piston and a crankshaft. The engine further comprises a line passing through a centre of one of the inlet ports and a centre of a corresponding at least one outlet port. The line is arranged at a non-zero angle to an axis of rotation of the crankshaft and the line is at a non-right angle to the axis of rotation of the crankshaft. The cylinder head is secured by six fasteners, such as six bolts to an engine block defining the cylinder.

    ENGINE
    9.
    发明公开
    ENGINE 审中-公开

    公开(公告)号：EP4056824A1

    公开(公告)日：2022-09-14

    申请号：EP22154141.0

    申请日：2022-01-31

    申请人： MAZDA MOTOR CORPORATION

    发明人： IMAMURA, Satoshi ,  FUKUMA, Masaki ,  YAMAGUCHI, Naohiro ,  WADA, Yoshitaka ,  UEMURA, Takumi ,  YAMAMOTO, Keisuke

    IPC分类号： F02B17/00 ,  F02B23/10 ,  F02F1/24 ,  F02F1/42 ,  F02F3/28

    摘要： An engine is provided, which includes a combustion chamber defined by a piston crown surface, an inner wall surface of a cylinder, and a pentroof ceiling surface formed in a cylinder head, and an ignition part of a spark plug disposed at the ceiling surface to achieve flame propagation combustion inside the combustion chamber. A cavity recessed in a spherical cap shape is formed in a central area of the crown surface. An opening of an intake port is formed in the ceiling surface (intake side) and an opening of an exhaust port is formed in the ceiling surface (exhaust side). When seen in a cross-sectional view taken along a cylinder axis, the ignition part is located above the cavity to be offset toward the exhaust side with respect to a cylinder axial line whereas a cavity center point is located to be offset toward the intake side.