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    • 3. 发明授权
    • Pulse motor control device
    • 脉冲电机控制装置
    • US5477411A
    • 1995-12-19
    • US353307
    • 1994-12-05
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • H02P8/32H02P8/24H02P8/28H02H7/09
    • H02P8/28H02P8/24
    • A pulse motor control device comprises, as additional component parts, a power-off detecting circuit, and a turning-off circuit. The power-off detecting circuit detects, when a driving switch is turned off, a dropping of a voltage supplied to a driving circuit and outputs a power-off detection signal. The turning-off circuit includes diodes and a control resistor. The diodes are connected respectively to control terminals of all driving transistors of the driving circuit. When the control transistor is turned on in response to the power-off detection signal, voltages of control terminals of the driving transistors are dropped to the ground level through the diodes, thereby turning off the driving transistors.
    • 脉冲电机控制装置作为附加组件包括断电检测电路和关断电路。 断电检测电路在驱动开关关闭时检测到提供给驱动电路的电压下降并输出断电检测信号。 关断电路包括二极管和控制电阻器。 二极管分别连接到驱动电路的所有驱动晶体管的控制端子。 当控制晶体管响应于断电检测信号而导通时,驱动晶体管的控制端子的电压通过二极管降至接地电平,从而关断驱动晶体管。
    • 4. 发明申请
    • VARIABLE VALVE GEAR FOR INTERNAL COMBUSTION ENGINE
    • 用于内燃机的变速阀齿轮
    • US20120111294A1
    • 2012-05-10
    • US13291482
    • 2011-11-08
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • F01L1/356
    • 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)。
    • 5. 发明授权
    • Balancer apparatus of engine
    • 发动机平衡机
    • US07905212B2
    • 2011-03-15
    • US12220755
    • 2008-07-28
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • F02B75/06
    • F16F15/265F01M11/064F01M2001/0276
    • A pump chamber is arranged on the side of a balancer shaft on a vehicle backward side of the two balancer shafts. An oil strainer for sucking oil into an inlet passage is arranged on a vehicle forward side of the axis of the balancer shaft on the vehicle forward side of said two balancer shafts. The inlet passage and the delivery passage are overlaid in the vertical direction and oriented to one side in the circumferential direction of the pump chamber, and the inlet passage and the delivery passage are arranged in a state where they are rectilinearly extended from the pump chamber in the vehicle forward direction.
    • 在两个平衡器轴的车辆后方的平衡器轴的侧面上布置有泵室。 用于将油吸入入口通道的滤油器布置在所述两个平衡器轴的车辆前方的平衡器轴的轴线的车辆前侧。 入口通道和输送通道在垂直方向上重叠并且定向成在泵室的圆周方向上的一侧,并且入口通道和输送通道被布置在它们从泵室直线延伸的状态 车辆前进方向。
    • 6. 发明授权
    • Balancing device for an engine
    • 平衡发动机的装置
    • US07434560B2
    • 2008-10-14
    • US11837148
    • 2007-08-10
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • F02B75/06
    • F16F15/265Y10T74/2183
    • With a view to reducing the load imposed by a cantilevered balancer weight on a balancer shaft bearing while balancing the inertia force generated by the balancer weights with the center of gravity of a piston and connecting road system, a balancing device for an engine is provided, the device having a second balancer weight which is cantilevered at a position opposing a first balancer weight, wherein the balancer shaft bearing between the first and the second balancer weights is displaced toward the second balancer weight according to the axial direction of the balancer shaft for a certain distance from an intersection Y of the axis of the balancer shaft with a plane passing through the center of gravity Gp of the piston-connecting rod system so that the distance L2 between the intersection Y and the center of gravity G2 of the second balancer weight is longer than the distance L1 between the intersection Y and the center of gravity G1 of the first balancer weight and so that the moment created at the intersection Y by the inertia force F1 of the first balancer weight and the moment created at the intersection Y by the inertia force F2 of the second balancer weight are balanced.
    • 为了减轻平衡器轴承上的悬臂平衡器重量施加的负载,同时平衡由平衡器重量产生的惯性力与活塞和连接道路系统的重心,提供了一种用于发动机的平衡装置, 该装置具有第二平衡器重物,其在与第一平衡器重物相对的位置处悬臂,其中,所述第一和第二平衡器重物之间的所述平衡轴轴承根据所述平衡器轴的轴向朝向所述第二平衡器重物移位, 与平衡轴的轴线的交点Y一定距离通过活塞连接杆系统的重心Gp的平面,使得交点Y与第二中心的重心G 2之间的距离L 2 平衡器重量比第一平衡器重量的交点Y与重心G 1之间的距离L 1长, 通过第一平衡器重量的惯性力F 1和通过第二平衡器重量的惯性力F 2在交点Y产生的力矩在交点Y处产生的力矩被平衡。
    • 7. 发明授权
    • Variable operating valve apparatus for an internal combustion engine
    • 用于内燃机的可变操作阀装置
    • US06915768B2
    • 2005-07-12
    • US10728822
    • 2003-12-08
    • Hiroshi Ohsawa
    • Hiroshi Ohsawa
    • F02B77/00F01L13/00F02F1/24F02F1/38F02M69/04F01L1/34
    • F01L1/022F01L13/0042F01L2001/0537F01L2105/00F01L2820/032F02B2275/18F02F1/38F02M69/044
    • A variable operating valve apparatus for an internal combustion engine that provides for improved combustion performance without enlarging the size of the cylinder head in the transverse direction. The variable valve mechanism includes a camshaft axially supported by the cylinder head, three-dimensional cams formed on the camshaft, a rocker shaft actuator able to displace the rocker shaft in the axial direction according to engine operating conditions, and a lift volume setting mechanism that changes the amount of valve lift dependent on the extent of positional change of the rocker shaft in the axial direction. The camshaft is at least axially supported on the intake port side of the cylinder head, a fuel injector (which injects fuel into the intake port) is installed to the part of the intake sidewall at the intake port of the cylinder head, and a concave part is formed into the intake sidewall above the fuel injector extending inward toward the camshaft.
    • 一种用于内燃机的可变操作阀装置,其提供改进的燃烧性能,而不会扩大气缸盖在横向方向上的尺寸。 可变阀机构包括由气缸盖轴向支撑的凸轮轴,形成在凸轮轴上的三维凸轮,能够根据发动机工作条件沿轴向移动摇臂轴的摇臂轴致动器,以及升降量设定机构, 改变气门升程量取决于摇轴在轴向上的位置变化程度。 凸轮轴至少轴向支撑在气缸盖的进气口侧,燃料喷射器(其将燃料喷射到进气口中)安装在气缸盖的进气口处的进气侧壁的一部分上,并且凹部 部件形成在燃料喷射器上方的进气侧壁上,朝向凸轮轴向内延伸。
    • 8. 发明授权
    • Brushless motor having lubrication system for upper and lower bearings
    • 无刷电机具有上下轴承润滑系统
    • US5798589A
    • 1998-08-25
    • US711591
    • 1996-09-10
    • Shinichi OhiFuhito UmegakiMasami TakemasaTatsuo HaraguchiYoshihide GunjiHiroshi Ohsawa
    • Shinichi OhiFuhito UmegakiMasami TakemasaTatsuo HaraguchiYoshihide GunjiHiroshi Ohsawa
    • F16C23/04F16C33/10F16C33/74H02K5/10H02K5/167H02K5/24H02K11/04H02K21/22H02K29/08H02K7/08H02K5/16
    • F16C33/103F16C23/04F16C33/74H02K11/33H02K29/08H02K5/1675H02K21/22H02K5/10H02K5/24
    • The present invention offers a simple structure that facilitates the mounting of bearings, that maintains lubricating oil at a sufficient level in the bearing portions and that maintains an optimal distance between a rotor and a case housing for preventing freezing, for preventing reduction of the capacity and for preventing noise. Bearing stoppers provided between the bearings of the brushless motor and the bearing holders, which hold the upper end edge of each bearing, are secured at a projection formed at the internal circumferential surface of each bearing holder. A felt, which comes in contact with the lower portion of each bearing stopper and also comes in contact with the bearing at one side is provided, with holes communicating with the felt formed at the lower surface of the bearing stopper. In addition, the lower limit of the distance h between the lower end of the rotor and the upper end surface of the case housing is set at 1.5 mm. This prevents water from forming a connection between the rotor and the case housing due to capillary action and surface tension. In addition, the upper limit of the distance h is set at or under 8 mm, which represents the critical point for the capacity and the noise. This ensures that the capacity is maintained at a satisfactory level and also prevents noise from increasing. Moreover, a washer group, which comprises at least one each of a resin washer, a rubber washer and a POM (polyoxymethylene) washer is provided between a sensor magnet that is secured to the lower end of the rotating shaft and the lower bearing.
    • 本发明提供了一种简单的结构,其有助于轴承的安装,其将润滑油保持在轴承部分中的足够的水平,并且保持转子和壳体壳体之间的最佳距离以防止冻结,以防止容量的降低和 防止噪音。 设置在无刷电动机的轴承和保持每个轴承的上端边缘的轴承座之间的轴承止动件固定在形成在每个轴承座的内周面的突起处。 与每个轴承止动件的下部接触并且在一侧与轴承接触的毛毡设置有与形成在轴承塞的下表面处的毛毡相通的孔。 此外,将转子的下端与壳体的上端面之间的距离h的下限设定为1.5mm。 这防止由于毛细管作用和表面张力而导致水在转子和壳体壳体之间形成连接。 另外,距离h的上限设定为8mm以下,这表示容量和噪声的临界点。 这确保了容量保持在令人满意的水平,并且还防止噪声增加。 此外,在固定在旋转轴的下端的传感器磁体和下轴承之间,设置有包括树脂垫圈,橡胶垫圈和POM(聚甲醛)垫圈中的至少一个的垫圈组。
    • 10. 发明申请
    • COMMUNICATION TERMINAL DEVICE
    • 通信终端设备
    • US20100137032A1
    • 2010-06-03
    • US12598927
    • 2008-04-23
    • Shuji OkamotoHiroshi Ohsawa
    • Shuji OkamotoHiroshi Ohsawa
    • H04W88/02
    • H04L67/02G06F16/9562H04L67/306H04M1/274508H04M1/72561H04M1/72566H04M2250/60
    • A mobile phone (1) of the present invention includes a favorites management table (15) in which a URL of a website and a title of the website are stored so that the URL and the title are associated with each other. In a case where the title is selected, the mobile phone (1) establishes a connection with the website specified by the URL associated with the title. In the favorites management table (15), the last time and date when the mobile phone (1) was connected to the website specified by the title is stored so that the title and the last time and date when the mobile phone (1) was connected to the website are associated with each other. The mobile phone (1) further includes a control section (6) for causing the title, and a time period calculated, at predetermined timing, by finding a difference between the last time and date when the mobile phone (1) was connected to the website, stored in the favorites management table (15), and a current time and date, to be displayed together. Thereby, it is possible to prevent a user from forgetting to update the website or post a comment on the website.
    • 本发明的移动电话(1)包括收藏夹管理表(15),其中存储网站的URL和网站的标题,使得URL和标题相互关联。 在选择标题的情况下,移动电话(1)建立与由标题相关联的URL指定的网站的连接。 在收藏夹管理表(15)中,存储移动电话(1)连接到由标题指定的网站的最后时间和日期,使得手机(1)的标题和最后时间和日期为 连接到网站是相互关联的。 移动电话(1)还包括控制部分(6),用于通过找到当移动电话(1)连接到该终端的最后时间和日期之间的差异时,使所述标题和在预定定时计算出的时间段 存储在收藏夹管理表(15)中的网站,以及当前时间和日期,一起显示。 因此,可以防止用户忘记更新网站或在网站上发表评论。