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    • 1. 发明授权
    • Engine variable valve timing mechanism
    • 发动机可变气门正时机构
    • US5724929A
    • 1998-03-10
    • US835252
    • 1997-04-07
    • Kazuhisa MikameKen AsakuraTatsuo Iida
    • Kazuhisa MikameKen AsakuraTatsuo Iida
    • F01L3/14B21D22/21B21K1/22B23P15/00F01L1/34F01L1/344F01L3/02F01L3/20F02D13/02F16D3/10
    • F01L1/3442B21D22/21B21K1/22B23P15/002F01L3/02F01L3/14F01L3/20F16D3/10F01L2001/34426
    • A variable valve timing mechanism is provided at the distal end of a camshaft for changing a valve timing of an engine valve. A rotor is fixed to the distal end face of the camshaft, and the rotor has four vanes protruding radially outward. A housing is disposed to surround the rotor to be rotatable relative to the rotor and the camshaft, and the housing has recesses on the inner circumference. Each recess is divided by the vane into a first pressure chamber and a second pressure chamber. A first passage is defined in the camshaft, for supplying a hydraulic fluid pressure to the first pressure chamber so as to change the rotational phase of the second rotor with respect to the camshaft, and the first passage has an opening at the distal end face of the camshaft. A second passage is defined in the camshaft, for supplying a fluid pressure to the second pressure chamber so as to change the rotational phase of the second rotor with respect to the camshaft, and the second passage has an opening at outer circumference of the camshaft.
    • 在可变气门正时机构设置在凸轮轴的远端,用于改变发动机气门的气门正时。 转子固定在凸轮轴的远端面上,转子具有径向向外突出的四个叶片。 壳体设置成围绕转子相对于转子和凸轮轴可旋转,并且壳体在内圆周上具有凹部。 每个凹槽由叶片分成第一压力室和第二压力室。 第一通道限定在凸轮轴中,用于向第一压力室供应液压流体压力,以便相对于凸轮轴改变第二转子的旋转相位,并且第一通道在前端面具有开口 凸轮轴。 第二通道限定在凸轮轴中,用于向第二压力室提供流体压力,以便相对于凸轮轴改变第二转子的旋转相位,并且第二通道在凸轮轴的外圆周处具有开口。
    • 4. 发明申请
    • REACTOR-SECURING STRUCTURE
    • 反应器安全结构
    • US20120223794A1
    • 2012-09-06
    • US13501153
    • 2009-11-26
    • Ken Asakura
    • Ken Asakura
    • H01F27/06
    • H01F37/00H01F27/06
    • A reactor-securing structure includes, one end of a first-side stay and one end of a second-side stay that are connected to portions of a reactor which are separated from each other at the two sides of a coil axial direction. The other end of the first-side stay and the other end of the second-side stay are fastened in states overlapping the inverter case. A first-side overlapping portion is formed by having the other end of the first-side stay overlap the inverter case, and a second-side overlapping portion is formed by having the other end of the second-side stay overlap the inverter case, A portion of the first-side overlapping portion and a portion of the second-side overlapping portion, when seen from a plan view, are provided in the same range relating to the length direction of the I-shaped section forming the reactor.
    • 反应堆固定结构包括:第一侧撑的一端和与在线圈轴向的两侧彼此分离的反应器的部分连接的第二侧撑的一端。 第一侧支架的另一端和第二侧支架的另一端固定在与逆变器壳体重叠的状态。 第一侧重叠部分通过使第一侧支架的另一端与逆变器壳体重叠而形成,并且通过使第二侧支架的另一端与逆变器壳体重叠而形成第二侧重叠部分A 当从平面图看时,第一侧重叠部分和第二侧重叠部分的一部分设置在与形成反应器的I形截面的长度方向相同的范围内。
    • 5. 发明申请
    • COOLING STRUCTURE FOR ELECTRIC DEVICE
    • 电气设备冷却结构
    • US20090114371A1
    • 2009-05-07
    • US12091923
    • 2006-10-26
    • Ken Asakura
    • Ken Asakura
    • F28D15/00
    • H05K7/20927H01L23/473H01L25/072H01L2924/0002H02M7/003H01L2924/00
    • A cooling structure for an electric device includes an inverter, a plurality of cooling medium paths (724) through which a cooling medium for the inverter flows, and an inlet (722) into which the cooling medium to be supplied to the plurality of cooling medium paths (724) flows. The plurality of cooling medium paths (724) extend in a direction crossing the aligning direction of the inlet (722) and the plurality of cooling medium paths (724). The cooling structure for an electric device further includes a cooling medium distribution mechanism for promoting distribution of the cooling medium to each of cooling medium paths (724) by suppressing the flow of the cooling medium. The cooling medium distribution mechanism has a flow rate suppression function suppressing the flow rate of the cooling medium flowing through at least one cooling medium path (724). This flow rate suppression function is realized by a wall (726A, 726B, 726C) provided at a cooling medium path (724).
    • 电气装置的冷却结构包括逆变器,用于逆变器的冷却介质流过的多个冷却介质路径(724)和供给到多个冷却介质的冷却介质的入口(722) 路径(724)流。 多个冷却介质路径(724)沿与入口(722)和多个冷却介质路径(724)的排列方向交叉的方向延伸。 电气装置的冷却结构还包括冷却介质分配机构,用于通过抑制冷却介质的流动来促进冷却介质分配到每个冷却介质路径(724)。 冷却介质分配机构具有抑制流过至少一个冷却介质通路(724)的冷却介质的流量的流量抑制功能。 该流量抑制功能由设在冷却介质路径(724)的壁(726A,726B,726C)实现。
    • 9. 发明授权
    • Assisting device and method for variable valve mechanism
    • 辅助可变阀机构的装置和方法
    • US06742483B2
    • 2004-06-01
    • US10274402
    • 2002-10-21
    • Ken Asakura
    • Ken Asakura
    • F01L134
    • F01L13/0015F01L1/34F01L13/0021
    • An output from each of output rods is converted into an assisting force via a corresponding one of rollers, while an outer peripheral surface of each of the rollers moving together with a control shaft serves as a conversion plane. This output is applied to the control shaft. Hence, as the control shaft is moved in such a direction as to increase valve lift amounts of intake valves, the assisting force can be correspondingly increased. Thus, a suitable assisting force that can act against a thrust force can be applied to the control shaft. As a result, there is no apprehension that a minimum hydraulic fluid pressure will not be ensured on the side of a larger valve lift amount or that responding properties in movements of the control shaft will deteriorate.
    • 每个输出杆的输出通过相应的一个辊转换成辅助力,而与控制轴一起移动的每个辊的外周表面用作转换平面。 该输出应用于控制轴。 因此,当控制轴沿着增加进气门的气门升程量的方向移动时,可以相应地增加辅助力。 因此,可以对控制轴施加能够抵抗推力的合适的辅助力。 结果,不会担心在较大的气门升程量的一侧将不能确保最小的液压流体压力,或者控制轴的运动中的响应特性将变差。
    • 10. 发明授权
    • Substrate unit
    • 基板单元
    • US09072189B2
    • 2015-06-30
    • US13983832
    • 2011-03-16
    • Hajime KosugiKen Asakura
    • Hajime KosugiKen Asakura
    • H05K7/12H05K7/14H05K9/00
    • H05K7/12H05K7/1417H05K7/1432H05K9/0067
    • A substrate unit includes a conductive case, an insulating case arranged in the conductive case, a first screw member having conductivity, arranged in the conductive case and fixing the insulating case to an inner wall surface of the conductive case, a circuit substrate provided opposite to the inner wall surface with respect to the insulating case and fixed to the insulating case, and a second screw member having conductivity and fixing the circuit substrate to the insulating case. The first screw member and the second screw member are screwed in toward the inner wall surface. The first screw member and the second screw member are spaced from each other. The first screw member and the second screw member are connected to each other with a connecting member having conductivity.
    • 基板单元包括导电壳体,布置在导电壳体中的绝缘壳体,具有导电性的第一螺钉构件,布置在导电壳体中并将绝缘壳体固定到导电壳体的内壁表面;电路基板, 相对于绝缘壳体的内壁表面并固定到绝缘壳体,以及具有导电性并将电路基板固定到绝缘壳体的第二螺钉构件。 第一螺纹构件和第二螺纹构件被拧入内壁面。 第一螺纹构件和第二螺纹构件彼此间隔开。 第一螺纹构件和第二螺纹构件通过具有导电性的连接构件彼此连接。