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1. 发明专利

JP2009257157A Cooling structure of exhaust collecting portion integrated type engine 审中-公开
标题翻译：排气收集部分集成式发动机的冷却结构
公开(公告)号：JP2009257157A
公开(公告)日：2009-11-05
申请号：JP2008105922
申请日：2008-04-15
申请人： Toyota Motor Corp , トヨタ自動車株式会社
发明人： CHINO YOSHIHARU
IPC分类号： F02F1/36 , F01N13/10 , F01P3/02 , F02F1/42
CPC分类号： F02F1/243
摘要： PROBLEM TO BE SOLVED: To provide a cooling structure of an exhaust collecting portion integrated type engine capable of suppressing bulging toward the outside of an exhaust manifold mounting surface side of a cylinder head, and certainly preventing the looseness of a bolt or the breakage of a screw portion due to a thermal load.
SOLUTION: In the cylinder head 1, a plurality of exhaust branch passages, an exhaust collecting portion 23 where these exhaust branch passages are collected, and a water jacket 4 cooling the exhaust collecting portion are integrally formed. One side surface 12 of the cylinder head is provided with an exhaust manifold mounting surface 31 on which an exhaust manifold 3 connected to the exhaust collecting portion is mounted. Furthermore, the exhaust manifold mounting surface is provided with a bolt mounting hole 32 mounting the exhaust manifold by the bolt is provided. In the bolt mounting hole, a screw portion 321 with which the bolt is screwed, and a counter bore 322 recessed inward from the exhaust manifold mounting surface so as to position the screw portion near an expanding portion 41 of the water jacket.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够抑制朝向气缸盖的排气歧管安装面侧的外部的鼓出的排气收集部一体型发动机的冷却结构，并且肯定地防止螺栓的松动或螺纹部分由于热负荷而破裂。解决方案：在气缸盖1中，多个排气分支通道，其中收集这些排气分支通道的排气收集部分23和冷却排气收集部分的水套4一体形成。气缸盖的一个侧表面12设置有排气歧管安装表面31，其上安装有连接到排气收集部分的排气歧管3。此外，排气歧管安装面设置有通过螺栓安装排气歧管的螺栓安装孔32。在螺栓安装孔中，螺栓部分321与螺栓拧紧，以及从排气歧管安装表面向内凹陷的反向孔322，以将螺纹部分定位在水套的扩张部分41附近。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JPH0874654A CYLINDER BLOCK CONSTRUCTION 失效
公开(公告)号：JPH0874654A
公开(公告)日：1996-03-19
申请号：JP21293094
申请日：1994-09-06
申请人： TOYOTA MOTOR CORP
发明人： CHINO YOSHIHARU
IPC分类号： F02B77/00 , F02F1/00 , F02F7/00
摘要： PURPOSE: To fasten a cylinder head to a block main body on each side of the center line of a cylinder bore, while keeping the cylinder bore from deflecting. CONSTITUTION: An exterior wall part 4 is formed on each side of an interior wall part 3 in which a plurality of cylinder bores 6 are provided parallel to each other, and both wall parts 3, 4 are connected together by a deck part 5 to constitute a part of a block main body 2. A first bolt hole 17 into which a first head bolt for fastening a cylinder head is threaded is formed in the side portion of the external wall part 4 between the adjacent cylinder bores 6. A projection 24 is formed on the side portion of the external wall part 4 between the adjacent cylinder bores 6. The side portion has higher rigidity than that portion of the block main body 2 which is on each side of the center line L of the cylinder bore 6 in the external wall part 4. An intermediate member 19 is disposed at the side of the external wall part 4 and connected to the projection 24 by a bolt 26. A second bolt hole 27, into which is threaded a second head bolt 28 for fastening the cylinder head, is formed in the portion of the intermediate member 19 on each side of the center line L.

3. 发明专利

JPH08232611A VALVE SYSTEM FOR INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH08232611A
公开(公告)日：1996-09-10
申请号：JP3414095
申请日：1995-02-22
申请人： TOYOTA MOTOR CORP
发明人： CHINO YOSHIHARU
IPC分类号： F01L1/08 , F01L1/14 , F01L1/16
摘要： PURPOSE: To prevent an upward thrust of a valve, which is caused by deformation of a cylinder or the valve following a rise in the pressure within a combustion chamber, and to prevent a driving noise in the vicinity of a buffering part of a cam from growing loud. CONSTITUTION: In a cam profile of a cam 17 of a valve system for an internal combustion engine, in order to prevent an upward thrust on the cam 17 which is caused by deformation of a cylinder head 1 and a poppet valve 5 following a rise of the pressure within a combustion chamber, only a section C corresponding to a deformation area of a base circle of the cam 17 is formed by a radius R' from the center of the base circle, thereby enlarging a tappet clearance.

4. 发明专利

JPH09209825A CYLINDER HEAD OF DIESEL ENGINE 失效
公开(公告)号：JPH09209825A
公开(公告)日：1997-08-12
申请号：JP1334696
申请日：1996-01-29
申请人： TOYOTA MOTOR CORP
发明人： CHINO YOSHIHARU
IPC分类号： F02P19/00 , F02B3/06 , F02B23/02 , F02F1/24
摘要： PROBLEM TO BE SOLVED: To prevent the thin part of a cylinder head main body from being formed between a valve seat ring and a glow plug hole, by forming a part of the glow plug hole by a part of two valve seat rings composing two adjacent valve seats. SOLUTION: The cylinder head 40 of a diesel engine is equipped with valve seat rings 44 (44-1 to 44-4 ) per air cylinder, and fitting parts 48 (48-1 to 48-4 ) to which these valve seat rings 44 are fitted are formed to the cylinder head 40. The valve seat rings 44 are equipped with valve seats 44-1a to 44-4a in boundaries between inner circumferential surfaces and side surfaces exposed to a combustion chamber. Fuel injection nozzle holes 52 are formed to a cylinder head main body 42, and also a glow plug hole 54 is arranged between the valve seats 44-1a and 44-2a . At this time, an interval between the valve seats 44-1a and 44-2a is formed smaller than the diameter of the glow plug hole 54, and the glow plug hole 54 are formed by means of mechanical work after the valve seat rings 44 are pressed into.

5. 发明专利

JPH03111618A COOLING SYSTEM OF INTERNAL COMBUSTION ENGINE 失效
公开(公告)号：JPH03111618A
公开(公告)日：1991-05-13
申请号：JP24804989
申请日：1989-09-26
申请人： NIPPON SOKEN , TOYOTA MOTOR CORP
发明人： MATSUSHIRO RYUICHI , KOSUDA TORU , SASAO SHIGEO , IKETANI TARO , CHINO YOSHIHARU , KAMIKAWA YASUAKI
IPC分类号： F01P11/00 , F01P3/22 , F01P7/16 , F01P11/02
摘要： PURPOSE:To smoothly pass high pressure steam above a cooling water passage to a reserve tank and to suppress counterflow by making a minimum sectional area of a passage at an entering side of the reserve tank 1.5 to 3 times as large as a minimum sectional area of a passage at a discharging side. CONSTITUTION:Orifices A, B and C are provided in three pipes 8, 9 and 10 connected to a reserve tank 3. Under the highly thermal load operation state of an engine 1, pressure in the reserve tank 3 reaches relief pressure. Since it is necessary for pressure in the upper part of a radiator 2 not to extremely exceed its withstanding pressure, namely, the relief pressure of a cap 11 even under this state, the total are of the openings of the orifices A and B at an entering side to the reserve tank 3 must be made 1.5 times or more as large as that of the orifice C at a discharging side. Since pressure at an inlet portion 12 of a cooling water pump 6 is extremely lowered to generate cavitation, pump efficiency is lowered with the decrease of the amount of circulating water and cooling performance is lowered, it is necessary to have an opening area ratio of three times or lower.

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