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    CYLINDER BORE WALL HEAT INSULATION DEVICE, INTERNAL COMBUSTION ENGINE, AND AUTOMOBILE
    2.
    发明申请
    CYLINDER BORE WALL HEAT INSULATION DEVICE, INTERNAL COMBUSTION ENGINE, AND AUTOMOBILE 审中-公开

    公开(公告)号：US20180328277A1

    公开(公告)日：2018-11-15

    申请号：US15773281

    申请日：2016-11-04

    申请人： NICHIAS CORPORATION

    发明人： Akihiro Yoshimura

    IPC分类号： F02B77/11 ,  F01P3/02 ,  F02F1/10 ,  F02F1/18

    CPC分类号： F02B77/11 ,  F01P3/02 ,  F02F1/10 ,  F02F1/14 ,  F02F1/18

    摘要： A cylinder bore wall thermal insulator includes one or more rubber sections in contact with a wall surface on the cylinder bore side of a groove-like cooling water channel, a base section having a shape conforming to a shape of a one-side half of the groove-like cooling water channel, the one or more rubber sections or one or more members to which the one or more rubber sections are fixed being fixed to the base section, and one or more elastic members for urging the entire one or more rubber sections to be pressed from a rear surface side toward the wall surface on the cylinder bore side of the groove-like cooling water channel. The thermal insulator includes a vertical wall near a boundary of each bore section of the base section and on a near side of the boundary of each bore section of the base section.

    ENGINE
    4.
    发明申请
    ENGINE 审中-公开

    公开(公告)号：US20180328258A1

    公开(公告)日：2018-11-15

    申请号：US15595209

    申请日：2017-05-15

    申请人： Polaris Industries Inc.

    发明人： Daniel J. Nugteren ,  Alexander W. Oppermann ,  C. Scott Walter ,  G. Jay McKoskey ,  Jeffrey M. Maher ,  Steven M. Tittl

    IPC分类号： F01P3/14 ,  F01P7/16 ,  F01P5/12 ,  F01P3/22

    CPC分类号： F01P5/10 ,  F01P3/02 ,  F01P11/08

    摘要： An engine is disclosed having a water cooling system allowing efficient cooling of the exhaust valves to prevent temperature gradients from building in the engine. Water is therefore pumped through the engine though first and second water cooling cores which discharge through the head. A water manifold is positioned over the discharge opening and includes couplings for the radiator supply, radiator return, water pump supply, oil cooler supply and oil cooler return. The engine has separate chambers to isolate the pistons and cylinders, and reed valves cover the chambers and allow the blow-by gases and oil to enter the oil pan during the power stroke of the engine cycle.

    COOLING STRUCTURE FOR INTERNAL COMBUSTION ENGINE
    6.
    发明申请
    COOLING STRUCTURE FOR INTERNAL COMBUSTION ENGINE 审中-公开

    公开(公告)号：US20180223721A1

    公开(公告)日：2018-08-09

    申请号：US15866189

    申请日：2018-01-09

    申请人： HONDA MOTOR CO., LTD.

    发明人： Koichiro MATSUSHITA

    IPC分类号： F01P7/16 ,  F01P3/02 ,  F01L1/02 ,  F01P3/20 ,  F01P5/10

    CPC分类号： F01P7/161 ,  F01L1/02 ,  F01P3/02 ,  F01P3/20 ,  F01P5/10 ,  F01P7/162 ,  F01P2003/027 ,  F01P2007/146

    摘要： In an internal combustion engine, a thermostat valve for changing over between coolant circulation through a radiator-routing passage to coolant circulation through a bypass passage, is provided with a first valve for opening and closing the radiator-routing passage, and a second valve for opening and closing the bypass passage. The first and second valves and are operable concurrently. A cylinder coolant jacket around cylinder bores of a cylinder portion is partitioned into two in a cylinder axis direction to thereby form a main cylinder coolant jacket on a side of a cylinder head portion and a sub-cylinder coolant jacket on a side of a crankcase portion. The bypass passage is formed partly by the sub-cylinder coolant jacket. The above arrangement expedites warming-up during the engine start and achieves favorable appearance by a simplified structure.

    CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE
    10.
    发明申请
    CYLINDER HEAD FOR AN INTERNAL COMBUSTION ENGINE 审中-公开

    公开(公告)号：US20180106213A1

    公开(公告)日：2018-04-19

    申请号：US15570076

    申请日：2016-05-04

    申请人： AVL LIST GMBH

    发明人： Christof Knollmayr

    IPC分类号： F02F1/40 ,  F02F1/24 ,  F01P3/02 ,  F02F1/42

    CPC分类号： F02F1/40 ,  F01P3/02 ,  F01P2003/024 ,  F02F1/243 ,  F02F1/36 ,  F02F1/4214

    摘要： The invention relates to a cylinder head (4) for an internal combustion engine having liquid cooling, comprising at least two outlet valves for controlling outlet openings (14) and at least one inlet valve for controlling at least one inlet opening (15) per cylinder (2), having at least one cooling jacket (3) through which coolant flows. An outlet valve bridge (7) is arranged between two adjacent outlet valves and an inlet/outlet valve bridge (8) is arranged in each case between at least one outlet valve and an adjacent inlet valve. A first cooling channel (18) is arranged in the region of at least one outlet valve bridge (7), and a second cooling channel (19) is arranged in the region of at least one inlet/outlet valve bridge (8), and the first and second cooling channels (18, 19) are fluidically connected to one other in a central cooling region (20) of the cylinder (2) with one another. According to the invention, in order to improve the cooling in the region of the inlet/outlet valve bridges and in the region of the outlet valve guides, at least one second cooling channel (19) has a flow dividing arrangement (21) which sub-divides the second cooling channel (19) into a first part-channel (19a) and a second part-channel (19b), wherein preferably the first part-channel (19a) is arranged in the region of an outlet valve guide (14a) and the second part-channel (19b) is arranged in the region of an outlet valve seat (14b) of the adjacent outlet valve.