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    • 1. 发明授权
    • Variable valve gear for internal combustion engine
    • 内燃机用可变气门齿轮
    • US08601989B2
    • 2013-12-10
    • US13291482
    • 2011-11-08
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • F01L1/34
    • F01L1/047F01L13/0063F01L2013/0068F01L2105/00
    • In the present invention, control shafts (11A, 11B) having bodies (16A, 16B) and control arm parts (17A, 17B) extending from the bodies (16A, 16B) toward the outer side in the radial direction are rotatably provided on the outer peripheral surface of a drive camshaft (2). A cam follower (13) is oscillatably mounted to the control arm parts (17A, 17B) via a support shaft (25). Oscillating arm parts (35A, 35B) extending toward the position opposite to a drive cam (3) across a cam follower roller (27) are provided on oscillating cams (14A, 14B). A central shaft (26) of the cam follower roller (27) is connected to the oscillating arm parts (35A, 35B) by link arms (29A, 29B) of which both longitudinal ends are rotatably connected to the central shaft (26) of the cam follower roller (27) and the oscillating arm parts (35A, 35B).
    • 在本发明中,具有从主体(16A,16B)向径向外侧延伸的主体(16A,16B)和控制臂部(17A,17B)的控制轴(11A,11B)可旋转地设置在 驱动凸轮轴(2)的外周面。 凸轮从动件(13)经由支撑轴(25)可摆动地安装到控制臂部件(17A,17B)。 在摆动凸轮(14A,14B)上设置有摆动臂部件(35A,35B),该摆动臂部件(35A,35B)朝向与凸轮从动辊(27)相对的驱动凸轮(3)的位置延伸。 凸轮从动辊(27)的中心轴(26)通过连杆(29A,29B)连接到摆动臂部分(29A,29B),两个纵向端部可旋转地连接到中心轴(26) 凸轮从动辊(27)和摆动臂部(35A,35B)。
    • 2. 发明授权
    • Balancer apparatus for an engine
    • 发动机平衡机
    • US08047176B2
    • 2011-11-01
    • US12283292
    • 2008-09-10
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • F02B75/06
    • F16F15/267
    • In a balancer apparatus of an engine having an oil pump, a space on a chain side and a space on an oil strainer side are partitioned by a projecting portion projecting in a direction which perpendicularly crosses balancer shafts in a balancer housing formed on an oil pump housing. An oil strainer is attached to a side wall on the anti-chain side of the projecting portion, and a chain tensioner for applying tension to a chain is arranged in the space on the chain side formed by enlarging the attaching surface of the oil pan outwardly so as to enclose the projecting portion. Thus oil which has been stirred by the chain and in which air has been mixed is prevented from being sucked into the oil strainer.
    • 在具有油泵的发动机的平衡装置中,链轮侧的空间和油过滤器侧的空间由在形成于油泵上的平衡器壳体中垂直于平衡轴的方向突出的突出部分隔开 住房。 将油过滤器安装在突出部分的反链侧的侧壁上,并且在链条侧的空间中布置用于向链条施加张力的链条张紧器,其通过向外扩大油盘的附接表面而形成 以便包围突出部分。 因此,防止被链条搅拌并且混入空气的油被吸入油过滤器。
    • 4. 发明申请
    • Balancer apparatus of engine
    • 发动机平衡机
    • US20090064962A1
    • 2009-03-12
    • US12283292
    • 2008-09-10
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • F02B75/06
    • F16F15/267
    • In a balancer apparatus of an engine having an oil pump, a space on a chain side and a space on an oil strainer side are partitioned by a projecting portion projecting in a direction which perpendicularly crosses balancer shafts in a balancer housing formed on an oil pump housing. An oil strainer is attached to a side wall on the anti-chain side of the projecting portion, and a chain tensioner for applying tension to a chain is arranged in the space on the chain side formed by enlarging the attaching surface of the oil pan outwardly so as to enclose the projecting portion. Thus oil which has been stirred by the chain and in which air has been mixed is prevented from being sucked into the oil strainer.
    • 在具有油泵的发动机的平衡装置中,链轮侧的空间和油过滤器侧的空间由在形成于油泵上的平衡器壳体中垂直于平衡轴的方向突出的突出部分隔开 住房。 将油过滤器安装在突出部分的反链侧的侧壁上,并且在链条侧的空间中布置用于向链条施加张力的链条张紧器,其通过向外扩大油盘的附接表面而形成 以便包围突出部分。 因此,防止被链条搅拌并且混入空气的油被吸入油过滤器。
    • 7. 发明授权
    • Cylinder head structure of an internal combustion engine
    • 内燃机气缸盖结构
    • US5957104A
    • 1999-09-28
    • US73611
    • 1998-05-06
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • F02F1/24F02F1/42
    • F02F1/4214F02B2275/18F02F2001/245
    • A cylinder head structure of an internal combustion engine which permits shortening of the overall length of the engine, provides a reduction in the exhaust-side width of the engine making the engine compact, and enables formation of intake ports in a rectilinear shape, all of which are advantageous with respect to both performance of the engine and layout of an intake manifold. The cylinder head structure includes intake-side bolt boss portions and exhaust-side bolt boss portions formed adjacently on both sides of intake-side tappet boss portions and exhaust-side tappet boss portions in a crank axis direction, respectively, the intake-side tappet boss portions being positioned outside the intake-side bolt boss portions in the transverse direction of the cylinder head, and the exhaust-side tappet boss portions being positioned inside the exhaust-side bolt boss portions transversely of the cylinder head.
    • 能够缩短发动机整体长度的内燃机的气缸盖结构,使发动机的排气侧宽度减小,使发动机更紧凑,并且能够形成直线形状的进气口 这对于发动机的性能和进气歧管的布局都是有利的。 气缸盖结构包括进气侧螺栓凸台部分和排气侧螺栓凸起部分,排气侧螺栓凸起部分分别形成在进气侧挺杆凸台部分和排气侧挺杆凸台部分的曲柄轴线方向的两侧,进气侧挺杆 凸起部分位于气缸盖的横向上的进气侧螺栓凸台部分的外侧,排气侧挺杆凸台部分位于与气缸盖横向的排气侧螺栓凸台部分的内侧。
    • 10. 发明授权
    • EMI prevention circuit for a car-mounted electronic control unit
    • 用于车载电子控制单元的EMI防止电路
    • US5841202A
    • 1998-11-24
    • US856580
    • 1997-05-15
    • Yoichi NoguchiNobuo SasagakeHiroshi Ohsawa
    • Yoichi NoguchiNobuo SasagakeHiroshi Ohsawa
    • B60R16/02H04B15/04H05K1/02H05K9/00F02P15/00
    • H05K9/0066H04B15/04H05K1/0216H05K1/0215H05K1/0231H05K2201/093H05K2201/09663H05K2201/09781
    • An EMI prevention circuit has a first ground pattern grounded to a car body and a second ground pattern connected to the first ground patter by way of an EMI condenser. A large-current ground line through which a large current flows is connected to the first ground pattern by way of an EMI condenser. A small-current ground line in which a small current flows is directly connected to the second ground pattern without using any EMI condenser in between. Because of this, even when a ground potential of the first ground pattern fluctuates by a noise due to driving a large-current load, since the second ground pattern is directly connected to a ground side of a car battery, the second ground pattern is maintained at a ground potential of the car battery and does not fluctuate. Also, when any high-frequency noise invades from a radio communication set and a portable telephone set, since the second ground pattern is connected to the first ground pattern by way of an EMI condenser, the high-frequency noise is discharged to the car body through the first ground pattern.
    • EMI防止电路具有接地到车体的第一接地图案​​和通过EMI电容器连接到第一接地图案​​的第二接地图案。 大电流流过的大电流接地线通过EMI电容器连接到第一接地图案​​。 其中小电流流动的小电流接地线直接连接到第二接地图案,而不在其间使用任何EMI电容器。 因此,即使第一接地图的接地电位由于驱动大电流负载而发生噪声而波动,由于第二接地图案直接连接到汽车电池的接地侧,所以保持第二接地图案 处于汽车电池的地电位并且不波动。 此外,当从无线电通信装置和便携式电话机入侵任何高频噪声时,由于第二接地图案通过EMI电容器连接到第一接地图案​​,所以高频噪声被排放到车体 通过第一个地面图案。