公开(公告)号：US06782864B2

公开(公告)日：2004-08-31

申请号：US10191307

申请日：2002-07-09

Applicant: Kiyoshi Takagi ,  Yoshiaki Iizuka ,  Naoki Takahara

Inventor： Kiyoshi Takagi ,  Yoshiaki Iizuka ,  Naoki Takahara

IPC: F02F700

CPC classification number: F02B77/00 ,  F02B67/00 ,  F02B2075/1816 ,  F02F7/0046

Abstract: In a cylinder head of an engine having an intake port communicating with an combustion chamber of the engine, a mount structure for an engine accessory includes an engine accessory, an accessory mount portion provided on the cylinder head and to which the engine accessory is mounted, and a fuel injection device mount portion provided on the cylinder head and to which a fuel injection device for injecting fuel into the intake port is mounted. The accessory mount portion is joined to the fuel injection device mount portion.

Abstract translation: 在具有与发动机的燃烧室连通的进气口的发动机的气缸盖中，用于发动机附件的安装结构包括发动机附件，设置在气缸盖上的附件安装部分，发动机附件安装在该附件上， 以及设置在气缸盖上的燃料喷射装置安装部，并且安装有用于将燃料喷射到进气口中的燃料喷射装置。 附件安装部分连接到燃料喷射装置安装部分。

公开(公告)号：US06397809B1

公开(公告)日：2002-06-04

申请号：US09524406

申请日：2000-03-13

Applicant: Takehiko Sayama ,  Naoki Takahara ,  Shinichi Murakami ,  Yasuhiro Yamasaki

Inventor： Takehiko Sayama ,  Naoki Takahara ,  Shinichi Murakami ,  Yasuhiro Yamasaki

IPC: F16F1526

CPC classification number: F02B75/22 ,  F02B2075/027 ,  F02B2075/1832 ,  F16F15/265

Abstract: There is provided a balancing device for a four-cycle V-type eight-cylinder engine having a bank gap angle of 90 degrees, characterized by provision on a common rotating shaft (balance shafts 81, 82 as described in the mode for carrying out the invention) a part (an equivalent inertia mass P in the mode for carrying out the invention) for generating a first inertia force for offsetting a residual secondary inertia force from piston systems and a part (equivalent inertia masses VH, VV as described in the mode for carrying out the invention) for generating a second inertia force for offsetting a residual inertia force from valve systems. According to this construction, since balancing devices for piston and valve systems can be integrated into one unit, there is involved no complexity in construction.

Abstract translation: 提供了一种具有90度的间隙角度的四冲程V型八缸发动机的平衡装置，其特征在于在共同的旋转轴（平衡轴81,82，如用于执行 发明）用于产生用于抵消来自活塞系统的残余二次惯性力的第一惯性力的一部分（用于实施本发明的模式中的等效惯性质量P）和部分（如模式中所述的等效惯性质量V H，V V 用于实施本发明），用于产生用于抵消来自阀门系统的剩余惯性力的第二惯性力。 根据这种结构，由于活塞和阀门系统的平衡装置可以集成到一个单元中，所以施工中并不复杂。

公开(公告)号：US4793297A

公开(公告)日：1988-12-27

申请号：US71653

申请日：1987-07-09

Applicant: Noriaki Fujii ,  Takeshi Iwata ,  Naoki Takahara

Inventor： Noriaki Fujii ,  Takeshi Iwata ,  Naoki Takahara

IPC: F01L1/04 ,  F01L1/053 ,  F01L1/12 ,  F01L1/18 ,  F01L1/26 ,  F02B1/04 ,  F02B67/00 ,  F02F1/24 ,  F02F1/42 ,  F01L1/44

CPC classification number: F01L1/26 ,  F01L1/053 ,  F01L2001/0535 ,  F02B1/04 ,  F02B2275/20 ,  F02F1/4214 ,  F02F2001/245

Abstract: An internal combustion engine, which includes a cylinder bore having an axis, a cylinder head disposed above the cylinder bore and having a combustion chamber, intake and exhaust valves movably supported in the cylinder head, and a spark plug supported in the cylinder head and having electrodes disposed centrally in the combustion chamber. A valve operating mechanism combined with an internal combustion engine comprising, a single camshaft rotatably disposed above the cylinder head, a single rocker arm shaft rotatably disposed above the cylinder head, an intake-valve rocker arm swingably supported on the rocker shaft and operatively engaging the intake valve, an exhaust-valve rocker arm swingably supported on the rocker shaft and operatively engaging the exhaust valve, a cam holder disposed above the cylinder bore, the camshaft being rotatably supported by the cam holder, a rocker holder disposed above the cylinder bore, the rocker arm shaft being rotatably supported by the rocker holder, and a plug insertion tube having a plug insertion hole for insertion of the spark plug therethrough, the plug insertion tube being integrally formed with the cam holder and the rocker holder.

Abstract translation: 一种内燃机，其包括具有轴的气缸孔，设置在气缸孔上方并具有燃烧室的气缸盖，可移动地支撑在气缸盖中的进气和排气阀，以及支撑在气缸盖中的火花塞， 设置在燃烧室中心的电极。 一种与内燃机组合的阀操作机构，包括：可旋转地设置在气缸盖上方的单个凸轮轴，可旋转地设置在气缸盖上方的单个摇臂轴，可摆动地支撑在摇臂上的进气阀摇臂， 进气阀，可摆动地支撑在摇杆轴上并可操作地接合排气阀的排气阀摇臂，设置在气缸孔上方的凸轮保持器，凸轮轴由凸轮保持器可旋转地支撑，设置在气缸孔上方的摇臂保持器， 所述摇臂轴由所述摇臂支架可转动地支撑，所述插头插入管具有用于插入所述火花塞的插头插入孔，所述插头插入管与所述凸轮保持架和所述摇架保持器一体形成。

公开(公告)号：US06244237B1

公开(公告)日：2001-06-12

申请号：US09452466

申请日：1999-12-02

Applicant: Takehiko Sayama ,  Naoki Takahara ,  Yasuhiro Yamasaki

Inventor： Takehiko Sayama ,  Naoki Takahara ,  Yasuhiro Yamasaki

IPC: F16F1526

CPC classification number: F02B75/22 ,  F02B2075/027 ,  F02B2075/1832 ,  F02B2275/18 ,  F16F15/267

Abstract: A balancer device for a four-cycle V-type eight cylinder engine having a bank included angle of 90 degrees, including: a crankshaft, a cylinder block having an upper block and a lower block divided from a horizontal plane passing through a center of the crankshaft and balancer shafts. Each of the upper and lower blocks defines a bearing hole in such a manner that an axis thereof extends in parallel with the crankshaft, the bearing holes of the upper and lower blocks being located at positions symmetrical with respect to the dividing plane; and balancer shafts supported to the bearing holes.

Abstract translation: 一种用于四冲程V型八缸发动机的平衡器装置，其具有90度的组夹角，包括：曲轴，具有上块的气缸体和通过其中心的水平面划分的下块 曲轴和平衡轴。 每个上部和下部块以这样的方式限定一个轴承孔，使其轴线与曲轴平行地延伸，上部和下部块的轴承孔位于相对于分割平面对称的位置; 以及支撑在轴承孔上的平衡轴。

公开(公告)号：US4969426A

公开(公告)日：1990-11-13

申请号：US300735

申请日：1989-01-19

Applicant: Noriaki Fujii ,  Takeshi Iwata ,  Naoki Takahara

Inventor： Noriaki Fujii ,  Takeshi Iwata ,  Naoki Takahara

IPC: F01L1/04 ,  F01L1/053 ,  F01L1/18 ,  F01L1/26 ,  F02B1/04 ,  F02B67/00 ,  F02F1/24 ,  F02F1/42 ,  F02P13/00

CPC classification number: F02F1/242 ,  F01L1/053 ,  F01L1/26 ,  F02B1/04 ,  F02B2275/20 ,  F02F1/4214 ,  F02F2001/245 ,  F02F2001/247

Abstract: An internal combustion engine includes a cylinder block having a cylinder bore, a cylinder head having a combustion chamber communicating with the cylinder bore, a spark plug supported in the cylinder head and having electrodes disposed in the combustion chamber, two first valves supported on the cylinder head and having valve head disposed in one side of the combustion chamber, and two second valves supported on the cylinder head and having valve heads disposed in an opposite side of the combustion chamber. A valve operating mechanism associated with the internal combustion engine comprises a camshaft rotatably mounted on the cylinder head and engaging the first valves for operating the first valves, a rocker arm holder mounted on the cylinder head, a rocker arm shaft or shafts disposed between the camshaft and the second valves and rotatably supported by the rocker arm holder, and two rocker arms swingably mounted on the rocker arm shaft or shafts and held in engagement with the camshaft and the second valves for operating the second valves. The rocker arm holder is disposed above the cylinder bore in substantial central alignment therewith, the rocker arm holder having a plug insertion hole for insertion of the spark plug therethrough.

Abstract translation: 内燃机包括具有气缸孔的气缸体，具有与气缸孔连通的燃烧室的气缸盖，支撑在气缸盖中并具有设置在燃烧室中的电极的火花塞，两个支撑在气缸上的第一阀 头部并具有设置在燃烧室一侧的阀头，以及两个支撑在气缸盖上并具有设置在燃烧室相对侧的阀头的第二阀。 与内燃机相关联的阀操作机构包括可旋转地安装在气缸盖上的凸轮轴，并与第一阀配合以操作第一阀，安装在气缸盖上的摇臂保持架，设置在凸轮轴之间的摇臂轴或轴 和第二阀，由摇臂保持架可旋转地支撑，以及可摆动地安装在摇臂轴或轴上的两个摇臂，并与凸轮轴和用于操作第二阀的第二阀保持接合。 摇臂支架设置在气缸孔的上方与其大致中心对准，摇臂保持器具有用于插入火花塞的插头插入孔。

公开(公告)号：US06644256B2

公开(公告)日：2003-11-11

申请号：US10308201

申请日：2002-12-03

Applicant: Naoki Takahara ,  Toshiyuki Sato

Inventor： Naoki Takahara ,  Toshiyuki Sato

IPC: F01L134

CPC classification number: F01L1/053 ,  F01L13/0005 ,  F01L13/0036 ,  F01L2001/0475 ,  F01L2105/00

Abstract: A lost motion mechanism that biases a free rocker arm of a lift-amount changing member capable of lifting a valve in a direction to abut against a cam includes a spring accommodated in a support portion. The support portion is a recessed portion integrally formed on a camshaft holder below the free rocker arm. The vertical dimension of an engine is reduced as compared with a case where the support portion is provided above the free rocker arm. A camshaft cap supports the camshaft and a bolt that fastens the camshaft cap to the camshaft holder are not required.

Abstract translation: 一种偏置能够提升阀的方式抵靠凸轮的升程量变更构件的自由摇臂的空动机构包括容纳在支撑部中的弹簧。 支撑部是整体形成在自由摇臂下方的凸轮轴保持架上的凹部。 与将支撑部设置在自由摇臂上方的情况相比，发动机的垂直尺寸减小。 凸轮轴盖支撑凸轮轴，并且不需要将凸轮轴盖紧固到凸轮轴座的螺栓。

公开(公告)号：US06615781B2

公开(公告)日：2003-09-09

申请号：US10106043

申请日：2002-03-27

Applicant: Shigekazu Tanaka ,  Toshiyuki Sato ,  Naoki Takahara

Inventor： Shigekazu Tanaka ,  Toshiyuki Sato ,  Naoki Takahara

IPC: F01L102

CPC classification number: F01L1/267 ,  F01L1/053 ,  F01L2001/0537 ,  F01L2105/00 ,  F02B2275/18

Abstract: An overhead camshaft type valve train includes drive rocker arms interlockingly connected to intake valves (exhaust valves) rockingly supported on a rocker shaft fixed to camholders for rotatably supporting a camshaft, free rocker arms adapted to get free relative to the intake valves (exhaust valves), connection switching mechanisms for switching over the connection and release of connection between the drive rocker arms and the free rocker arms, and lost motion mechanisms for biasing the free rocker arms to a cam side. The respective cam holders are fastened to the cylinder head by pairs of fastening portions with bolts, and holding portions for holding the lost motion mechanisms are formed integrally with the fastening portions.

公开(公告)号：US5027761A

公开(公告)日：1991-07-02

申请号：US416287

申请日：1989-10-02

Applicant: Noriaki Fujii ,  Takeshi Iwata ,  Naoki Takahara

Inventor： Noriaki Fujii ,  Takeshi Iwata ,  Naoki Takahara

IPC: F01L1/04 ,  F01L1/053 ,  F01L1/18 ,  F01L1/26 ,  F02B1/04 ,  F02B67/00 ,  F02F1/24 ,  F02F1/42 ,  F02P13/00

CPC classification number: F02F1/242 ,  F01L1/053 ,  F01L1/26 ,  F02B1/04 ,  F02B2275/20 ,  F02F1/4214 ,  F02F2001/245 ,  F02F2001/247

Abstract: An internal combustion engine includes a cylinder block having a cylinder bore, a cylinder head having a combustion chamber communicating with the cylinder bore, a spark plug supported in the cylinder head and having electrodes disposed in the combustion chamber, two first valves supported on the cylinder head and having valve heads disposed in one side of the combustion chamber, and two second valves supported on the cylinder head and having valve heads disposed in an opposite side of the combustion chamber. A valve operating mechanism associated with the internal combustion engine comprises a camshaft rotatably mounted on the cylinder head and engaging the first valves for operating the first valves, a rocker arm holder mounted on the cylinder head, a rocker arm shaft or shafts disposed between the camshaft and the second valves and rotatably supported by the rocker arm holder, and two rocker arms swingably mounted on the rocker arm shaft or shafts and held in engagement with the camshaft and the second valves for operating the second valves. The rocker arm holder is disposed above the cylinder bore in substantial central alignment therewith, the rocker arm holder having a plug insertion hole for insertion of the spark plug therethrough.

公开(公告)号：US4762099A

公开(公告)日：1988-08-09

申请号：US70497

申请日：1987-07-07

Applicant: Noriaki Fujii ,  Takeshi Iwata ,  Toshihiro Oikawa ,  Naoki Takahara

Inventor： Noriaki Fujii ,  Takeshi Iwata ,  Toshihiro Oikawa ,  Naoki Takahara

IPC: F01L1/053 ,  F01L1/18 ,  F01L1/26 ,  F02B1/04 ,  F02B75/02 ,  F02F1/24 ,  F02F1/42

CPC classification number: F01L1/26 ,  F01L1/053 ,  F01L1/182 ,  F02F1/4214 ,  F01L2001/0535 ,  F01L2001/187 ,  F01L2001/188 ,  F02B1/04 ,  F02B2075/027 ,  F02B2275/20 ,  F02F2001/245

Abstract: In a valve actuating device of four-cycle internal combustion engine, a valve actuating cam shaft for driving an opening and closing valve via a rocker arm is carried on a cam holder block, an adjusting bolt is held on the cam holder block so as to be adjustable relative to its position to the latter and the rocker arm is supported on a pivot portion integral with the adjusting bolt for rocking motion. Valve clearance between the rocker arm and the opening and closing valve is adjusted by displacing the position of adjusting bolt relative to the cam holder block.

Abstract translation: 在四冲程内燃机的阀致动装置中，通过摇臂将开闭阀驱动的阀致动凸轮轴承在凸轮保持架上，调节螺栓被保持在凸轮保持架上，以便 相对于其位置可调节，并且摇臂支撑在与用于摇摆运动的调节螺栓成一体的枢转部分上。 通过相对于凸轮保持器块移动调节螺栓的位置来调节摇臂和开关阀之间的阀间隙。