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公开(公告)号：US07086371B2
公开(公告)日：2006-08-08
申请号：US10898263
申请日：2004-07-26
申请人： Makoto Sanada , Shumpei Hasegawa , Minoru Matsuda
发明人： Makoto Sanada , Shumpei Hasegawa , Minoru Matsuda
IPC分类号： F02B75/22
CPC分类号： F02F1/002 , F02B75/243 , F02B2075/1816 , F02F7/0046
摘要： To reduce the number of parts, improve the mountability and maintainability, and allow for a reduction in the size and weight an engine is provided having a crankshaft, a crankcase having a plurality of bearing portions for rotatably supporting the crankshaft with each of the bearing portions being dividable along a divisional plane arranged on the axis of the crankshaft. Cylinder barrels are connected to the crankcase and include cylinder bores with cylinder heads connected to the cylinder barrels. The cylinder heads are integrated with portions of the cylinder barrels forming at least the cylinder bores to form cylinder blocks. The cylinder blocks and the crankcase are fastened together by a plurality of fastening bolts having axes parallel to the axes of the cylinder bores and extending through at least the cylinder blocks, with a compressive structure in the axial direction of the fastening bolts.
摘要翻译： 为了减少部件数量，提高了安装性和可维护性，并且能够减小具有曲轴的发动机的尺寸和重量，曲轴箱具有多个轴承部分，用于将每个轴承部分可旋转地支撑曲轴 沿着分布在曲轴轴线上的平面分割。 气缸筒连接到曲轴箱，并且包括气缸孔，气缸盖连接到气缸筒。 气缸盖与至少形成气缸孔的气缸筒的部分一体形成气缸体。 气缸体和曲轴箱通过多个紧固螺栓紧固在一起，所述紧固螺栓具有平行于气缸孔的轴线的轴线并至少延伸穿过至少气缸体，在紧固螺栓的轴向具有压缩结构。
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公开(公告)号：US20050115524A1
公开(公告)日：2005-06-02
申请号：US10898263
申请日：2004-07-26
申请人： Makoto Sanada , Shumpei Hasegawa , Minoru Matsuda
发明人： Makoto Sanada , Shumpei Hasegawa , Minoru Matsuda
CPC分类号： F02F1/002 , F02B75/243 , F02B2075/1816 , F02F7/0046
摘要： To reduce the number of parts, improve the mountability and maintainability, and allow for a reduction in the size and weight an engine is provided having a crankshaft, a crankcase having a plurality of bearing portions for rotatably supporting the crankshaft with each of the bearing portions being dividable along a divisional plane arranged on the axis of the crankshaft. Cylinder barrels are connected to the crankcase and include cylinder bores with cylinder heads connected to the cylinder barrels. The cylinder heads are integrated with portions of the cylinder barrels forming at least the cylinder bores to form cylinder blocks. The cylinder blocks and the crankcase are fastened together by a plurality of fastening bolts having axes parallel to the axes of the cylinder bores and extending through at least the cylinder blocks, with a compressive structure in the axial direction of the fastening bolts.
摘要翻译： 为了减少部件数量，提高了安装性和可维护性，并且能够减小具有曲轴的发动机的尺寸和重量，曲轴箱具有多个轴承部分，用于将每个轴承部分可旋转地支撑曲轴 沿着分布在曲轴轴线上的平面分割。 气缸筒连接到曲轴箱，并且包括气缸孔，气缸盖连接到气缸筒。 气缸盖与至少形成气缸孔的气缸筒的部分一体形成气缸体。 气缸体和曲轴箱通过多个紧固螺栓紧固在一起，所述紧固螺栓具有平行于气缸孔的轴线的轴线并至少延伸穿过至少气缸体，在紧固螺栓的轴向具有压缩结构。
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公开(公告)号：US06782859B2
公开(公告)日：2004-08-31
申请号：US09987617
申请日：2001-11-15
申请人： Minoru Matsuda , Makoto Sanada
发明人： Minoru Matsuda , Makoto Sanada
IPC分类号： F01L114
CPC分类号： F01L1/26 , F01L1/02 , F01L1/026 , F01L1/04 , F01L1/047 , F01L1/14 , F01L1/146 , F01L1/18 , F01L2003/256 , F02B2075/027
摘要： In a valve system for a OHV horizontally-opposed, four-cycle internal combustion engine, valve camshafts are provided at crankcase portions for supporting a crankshaft, of left and right cylinder banks disposed on opposite sides of the crankshaft. Intake and exhaust valves are provided at cylinder heads and are opened and closed by pull rods operated by the valve camshafts. The aforementioned valve system achieves large reductions in the size and weight of the piston heads where the intake and exhaust valves of the internal combustion engine are disposed.
摘要翻译： 在用于OHV水平相对的四冲程内燃机的阀系统中，在曲轴箱部分处设置有用于支撑设置在曲轴的相对侧上的左右气缸组的曲轴的气门凸轮轴。 进气阀和排气阀设置在气缸盖上，并由阀凸轮轴操作的拉杆打开和关闭。 上述阀系统实现了内燃机的进排气门的排列的活塞头的尺寸和重量的大幅减小。
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公开(公告)号：US06644262B2
公开(公告)日：2003-11-11
申请号：US09987642
申请日：2001-11-15
申请人： Minoru Matsuda , Makoto Sanada
发明人： Minoru Matsuda , Makoto Sanada
IPC分类号： F01M102
CPC分类号： F01M1/02 , F01M2011/005 , F01M2011/0066 , F01M2011/0079 , F02B75/243 , F02B2275/10 , F02B2275/34 , F02F1/4214 , F02F2001/245
摘要： To provide an oil pump mounting structure for an engine. The engine includes a crankcase rotatably supporting a crankshaft, an oil pan connected to a lower portion of the crankcase, and an oil pump interlocked for rotation with the crankshaft. The oil pump mounting structure lowers the center of gravity of the engine and improves the suction efficiency and maintenance characteristic of the oil pump. A pump housing of the oil pump is removably mounted on a mounting portion provided on the bottom of an oil pan.
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公开(公告)号：US06508218B2
公开(公告)日：2003-01-21
申请号：US09988005
申请日：2001-11-16
申请人： Kazuto Fukuzawa , Makoto Sanada , Minoru Matsuda
发明人： Kazuto Fukuzawa , Makoto Sanada , Minoru Matsuda
IPC分类号： F02M3510
CPC分类号： F02M35/10039 , F02B75/22 , F02B75/243 , F02B2075/027 , F02B2075/1816 , F02M35/10072 , F02M35/10131 , F02M35/10255 , F02M35/1165 , F02M35/16
摘要： An intake system for a horizontally opposed type internal combustion engine can contribute to an improvement in output performance without sacrificing the intrinsic merit of the horizontally opposed type internal combustion engine. Specifically, the intake system ensures that the overall height of the engine remains small. First and second intake ports are provided at head portions of first and second banks, which are arranged on the left and right sides. First and second intake distribution ports are arranged horizontally at a front wall of an intake surge tank 10, which is disposed on the rear end side of and adjacent to a crankshaft 1. The first and second intake ports are respectively connected with each other through first and second intake pipes disposed along a top surface or bottom surface of the engine E. Throttle valves for controlling intake quantities in the first and second intake pipes are provided in upstream portions of the intake pipes.
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公开(公告)号：US20050034698A1
公开(公告)日：2005-02-17
申请号：US10886537
申请日：2004-07-09
申请人： Minoru Matsuda , Makoto Sanada , Kazuhiro Uehara , Atsushi Niimi
发明人： Minoru Matsuda , Makoto Sanada , Kazuhiro Uehara , Atsushi Niimi
CPC分类号： F01L1/146 , F01L1/18 , F02B61/04 , F02B75/243 , F02B2075/1816 , F02B2275/34 , F02F2001/245
摘要： To reduce the size and weight of an engine body and improve the mountability and maintainability of transmitting rods in a valve train for an OHV engine having a crankshaft, a crankcase for rotatably supporting the crankshaft, a camshaft incorporated in the crankcase, cylinder heads connected to the crankcase, engine valves operably provided in the cylinder heads, and the transmitting rods for transmitting a valve operating force due to the rotation of the camshaft to the engine valves. The transmitting rods as pull rods are arranged on one side of cylinder barrels. One end portion of each transmitting rod is formed with an engaging portion disengageably engaged with a hook portion of a mating member. An engine body or a guide member, fixed to the engine body, is provided with a guide portion for guiding the engaging portion to the hook portion of the mating member.
摘要翻译： 为了减小发动机体的尺寸和重量，提高用于具有曲轴的OHV发动机的气门机构中的传动杆的安装性和可维护性，用于可旋转地支撑曲轴的曲轴箱，结合在曲轴箱中的凸轮轴，连接到 可操作地设置在气缸盖中的曲轴箱，发动机气门以及由于凸轮轴向发动机气门的转动而传递气门操作力的传动杆。 作为拉杆的传动杆布置在气缸筒的一侧。 每个传动杆的一个端部形成有与配合构件的钩部可分离地接合的接合部分。 固定在发动机主体上的发动机主体或引导构件设置有用于将接合部分引导到配合构件的钩部的引导部。
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公开(公告)号：US06634330B2
公开(公告)日：2003-10-21
申请号：US09988003
申请日：2001-11-16
申请人： Minoru Matsuda , Makoto Sanada
发明人： Minoru Matsuda , Makoto Sanada
IPC分类号： F01L118
CPC分类号： F01L1/146 , F01L1/14 , F01L1/18 , F01L1/26 , F02B2075/027 , Y10T29/49295 , Y10T74/20882
摘要： To provide a valve system for an engine, in which a rocker arm is interlocked with an engine valve and is supported on a rocker shaft fixedly mounted to a cylinder head such that it is rockable with the rotation of a camshaft. Accordingly, the size and weight of the engine can be reduced. The posture of a rocker shaft is set to have an axial line crossing an axial line of a crankshaft on the projection plane perpendicular to an axial line of a cylinder bore. A rocker arm is rockably supported by the rocker shaft and is provided with an input arm extending, on the above projection plane, from the rocker arm to the camshaft side. A pull rod reciprocates in the axial direction with the rotation of the camshaft and is connected to the input arm.
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公开(公告)号：US06536399B2
公开(公告)日：2003-03-25
申请号：US09987621
申请日：2001-11-15
申请人： Minoru Matsuda , Makoto Sanada
发明人： Minoru Matsuda , Makoto Sanada
IPC分类号： F02B7524
CPC分类号： F02B75/243 , F02B61/04 , F02B75/005 , F02B75/22 , F02F7/0053
摘要： In a horizontally opposed type internal combustion engine, to enable rigid support of a middle journal of a crankshaft through rational utilization of first and second case halves constituting a crankcase, and to thereby contribute to a simplification in structure and a reduction in weight. In a horizontally opposed type internal combustion engine, a crankcase is split at a plane containing the axis line of a crankshaft into first and second case halves connected with first and second cylinder blocks. The first and second case halves are integrally provided with first and second journal supporting walls for supporting a middle journal of the crankshaft. The first and second journal supporting walls front cylinder bores of the first and second cylinder blocks. The first and second journal supporting walls are coupled by a plurality of first bolts inserted from the side of the cylinder bores of the first cylinder block and disposed on opposite sides of and in proximity to the middle journal.
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公开(公告)号：US06491011B2
公开(公告)日：2002-12-10
申请号：US09987618
申请日：2001-11-15
申请人： Makoto Sanada , Minoru Matsuda
发明人： Makoto Sanada , Minoru Matsuda
IPC分类号： F01L112
摘要： To provide a valve system for an engine, in which a valve stem for an engine valve is slidably fitted in a guide cylinder provided in a cylinder head. A rocker arm is interlocked to rock with rotation of a camshaft. The rocker arm is also interlocked with the valve stem. With the above construction, local wear, galling, and the like in the guide cylinder can be prevented. Accordingly, the reliability can be improved. A lifter is interposed between a rocker arm and a valve stem. The lifter is formed into a cylindrical shape with a closed bottom and has a diameter larger than an outside diameter of the valve stem. The lifter is fitted in a lifter housing in such a manner as to be slidable in the axial direction of the valve stem. The lifter housing is fixed to a cylinder head.
摘要翻译： 提供用于发动机的阀系统，其中用于发动机气门的阀杆可滑动地装配在设置在气缸盖中的引导缸中。 摇臂与凸轮轴的旋转联动摇动。 摇臂还与阀杆互锁。 通过上述结构，可以防止导向圆筒中的局部磨损，磨损等。 因此，可以提高可靠性。 升降器插在摇臂和阀杆之间。 升降机形成为具有封闭底部的圆柱形形状，并且具有大于阀杆外径的直径。 升降机以能够在阀杆的轴向方向滑动的方式安装在升降机壳体中。 升降机壳体固定在气缸盖上。
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公开(公告)号：US07011062B2
公开(公告)日：2006-03-14
申请号：US10067198
申请日：2002-02-07
申请人： Makoto Sanada , Minoru Matsuda
发明人： Makoto Sanada , Minoru Matsuda
IPC分类号： F02N17/00
CPC分类号： F02N99/004 , F02B61/04 , F02N11/08 , F02N15/023 , F02N19/004 , F02N2200/022 , F02N2300/104
摘要： To attain downsizing and weight reduction of a starter motor and starting power transmission in an engine starting apparatus. The starting power transmission decelerates rotation power of the starter motor and transmits the power to a crankshaft, even in a multi-cylinder engine. The starting power transmission is provided between the starter motor that starts rotation by electric power supplied from a battery and the crankshaft. An exhaust valve is depressed and opened by actuation of an actuator in accordance with actuation of the starter motor. The actuation of the actuator is continued until the number of revolutions of the crankshaft detected by a revolution detector reaches a predetermined number of revolutions.
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