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    • 1. 发明申请
    • PROPELLING FORCE APPLICATION APPARATUS
    • 螺旋力应用装置
    • WO1997023737A1
    • 1997-07-03
    • PCT/JP1995002625
    • 1995-12-21
    • HONDA GIKEN KOGYO KABUSHIKI KAISHANHK SPRING CO., LTD.
    • HONDA GIKEN KOGYO KABUSHIKI KAISHANHK SPRING CO., LTD.SHIGIHARA, AkiraISHIZAKA, TakashiIIZUKA, TohruNARUSHIMA, MasaziNUMAKURA, FumioKOBAYASHI, Takao
    • F16H07/08
    • F16H25/186F16H7/0848F16H2007/081F16H2007/0857
    • A propelling force application apparatus wherein a cylindrical push member the front edge of which is brought into contact with a propelled member and which is equipped at least around the inner periphery on the rear side thereof with a female screw is supported by a stationary casing in such a manner that revolution round the axis thereof is inhibited but movement in the axial direction is permitted, a bearing member for enabling a rotary shaft to rotate round the axis and thrusts and supports the rotary shaft is interposed between the proximal end of the rotary shaft having a male screw meshing with the female screw on the distal end side and the casing, and a spring for urging the rotary shaft in the advancing direction of the push member is interposed between the casing and the rotary shaft. An effective friction diameter d1 between the rotary shaft (7) and the bearing member (8) is greater than an effective diameter d2 of the meshing portion between the male screw portion (7a) and the female screw portion (18) so that a drastic retreat of the push member due to the drop of the frictional coefficient due to an extended use can be reduced to minimum.
    • 一种推进力施加装置,其前缘与推进构件接触的圆柱形推动构件至少在其背侧的内周配备有内螺纹,由这样的固定壳体支撑 绕其轴线旋转的方式被抑制但允许在轴向上的运动,用于使旋转轴能够绕轴线旋转并推力并支撑旋转轴的支承构件被插入在具有 与前端侧的内螺纹啮合的外螺纹和壳体,以及用于在推动构件的前进方向上推压旋转轴的弹簧插入在壳体和旋转轴之间。 旋转轴(7)与轴承部件(8)之间的有效的摩擦直径d1大于外螺纹部(7a)与内螺纹部(18)之间的啮合部的有效直径d2, 由于延长使用时的摩擦系数的下降,推动构件的后退可以减小到最小。
    • 2. 发明申请
    • OIL COOLER AND METHOD OF MANUFACTURING SAME
    • 油冷却器及其制造方法
    • WO1989006744A1
    • 1989-07-27
    • PCT/JP1989000055
    • 1989-01-20
    • NICHIRIN RUBBER INDUSTRIAL CO., LTD.NHK SPRING CO., LTD.NISSAN MOTOR, CO., LTD.MATSUDA, MasayukiNISHIMURA, ToyoharuTAKAGI, YasujiTANAKA, MamoruNORIMATSU, Naoki
    • NICHIRIN RUBBER INDUSTRIAL CO., LTD.NHK SPRING CO., LTD.NISSAN MOTOR, CO., LTD.
    • F01P11/08
    • F28F1/32B23K1/18F28D7/1669F28D2021/0049
    • This invention relates to an oil cooler suitably applied to a hydraulic circuit for a power steering unit, and a method of manufacturing the same. The oil cooler according to the present invention consists of a tube bundle composed of a plurality of parallelly arranged tubes, volume chambers provided at both ends of the tube bundle, and a plurality of cooling fins fitted around the tubes, and is characterized in that it is made compact, has a high cooling capacity and a high torsional rigidity and can suppress the occurrence of noise. The method of manufacturing oil coolers according to the present invention is caracterized by comprising the steps of: (A) producing cooling fins by piercing in sheet materials to be worked into cooling fins a plurality of holes having axially projecting edges through which a plurality of tubes are to be inserted and further forming pores in the vicinity of the holes through which threadlike soldering material is to be inserted, (B) fitting the holes of the cooling fins around the tubes and inserting the soldering material through the pores of the cooling fins, and (C) melting the soldering material to bond the projecting edges of the cooling fins with the tubes. Thus an oil cooler can be manufactured simply at a low cost.
    • 本发明涉及一种适用于动力转向装置的液压回路的油冷却器及其制造方法。 根据本发明的油冷却器由管束构成,管束由多个平行布置的管构成,容纳室设置在管束的两端,多个冷却翅片安装在管周围,其特征在于: 制造紧凑,具有高冷却能力和高扭转刚度,并且可以抑制噪声的发生。 根据本发明的制造油冷却器的方法的特征在于包括以下步骤:(A)通过将片材加工成散热片来制造冷却翅片,多个具有轴向突出边缘的孔,多个管 将被插入孔中,并在孔附近进一步形成孔,通过该孔附近插入线状焊料,(B)将冷却翅片的孔安装在管周围,并将焊料插入散热片的孔中, 和(C)熔化焊接材料以将冷却翅片的突出边缘与管接合。 因此,可以以低成本简单地制造油冷却器。
    • 4. 发明申请
    • CONDUCTIVE CONTACT UNIT SYSTEM
    • 导电接触单元系统
    • WO1997039361A1
    • 1997-10-23
    • PCT/JP1997001237
    • 1997-04-10
    • NHK SPRING CO., LTD.KAZAMA, Toshio
    • NHK SPRING CO., LTD.
    • G01R01/06
    • G01R1/06733G01R1/06716G01R1/06722G01R1/06772G01R1/07307
    • In a conductive contact unit, the base-side end section of a compression spring which urges a contact itself or a needle-like contact is housed in a supporting hole bored into a substrate. One end of the internal conductor of the substrate is exposed at the bottom of the supporting hole and the exposed part of the conductor is electrically connected to the base-side end section of the compression spring. Therefore, no electrical connector is required and the electrical resistance between the internal conductor of the substrate and contact is minimized. In order to achieve excellent electrical contact, it is possible to solder the base-side end section of the compression spring to the exposed part of the internal conductor having a flat section or recessed section.
    • 在导电接触单元中,将接触本身或针状接触的压缩弹簧的底侧端部容纳在钻入基板中的支撑孔中。 基板的内部导体的一端在支撑孔的底部露出,导体的露出部电连接到压缩弹簧的基端侧端部。 因此,不需要电连接器,并且使衬底内部导体和触点之间的电阻最小化。 为了实现优异的电接触,可以将压缩弹簧的底侧端部焊接到具有平坦部分或凹部的内部导体的露出部分。
    • 5. 发明申请
    • CONDUCTIVE CONTACTOR
    • 导电接触器
    • WO1997024785A1
    • 1997-07-10
    • PCT/JP1996003791
    • 1996-12-25
    • NHK SPRING CO., LTD.KAZAMA, Toshio
    • NHK SPRING CO., LTD.
    • H01R33/76
    • H01R12/52G01R1/0466G01R1/0483G01R1/06716G01R1/06733H01R12/714H01R13/2421
    • A conductive contactor (1) is constituted by incorporating an elastic coil-like conductor (3) in an insulating plate (2). The number of turns of the conductor (3) is small, for example, one. The conductor (3) has a middle section fixed to the supporting plate (2) and a pair of projecting sections protruded in the axial direction from both sides of the supporting plate (2). The supporting plate (2) is fixed to a semiconductor (4) and a substrate (6) so that the projecting sections of the conductor (3) may be elastically in contact with a conductive ball (5) fixed to the lower surface of the semiconductor element (4) with solder as a terminal and a terminal pattern (7) formed on a wiring board (6) and opposed to the ball (5). Since the number of turns of the conductor (3) is reduced to a required number so as to prevent the electric current from flowing through a conductive path formed by an undesirably large number of turns of the conductor (3), the resistance and inductance of the conductor (3) are minimized and, at the same time, a sufficiently strong elastic force is given to the conductor (3).
    • 导电接触器(1)通过在绝缘板(2)中结合弹性线圈状导体(3)构成。 导体(3)的匝数较小,例如为1。 导体(3)具有固定到支撑板(2)的中间部分和从支撑板(2)的两侧沿轴向突出的一对突出部分。 支撑板(2)固定到半导体(4)和基板(6),使得导体(3)的突出部分可以弹性地接触固定到该导体的下表面的导电球(5) 具有焊料作为端子的半导体元件(4)和形成在布线板(6)上并与球体(5)相对的端子图案(7)。 由于导体(3)的匝数减少到所需数量,以防止电流流过由导体(3)的不希望的大量匝形成的导电路径,电阻和电感 导体(3)被最小化,并且同时对导体(3)施加足够强的弹性力。
    • 6. 发明申请
    • CONTACT PROBE UNIT
    • 联系人探索单位
    • WO1998029751A1
    • 1998-07-09
    • PCT/JP1997004877
    • 1997-12-26
    • NHK SPRING CO., LTD.KAZAMA, Toshio
    • NHK SPRING CO., LTD.
    • G01R01/067
    • G01R1/06733G01R1/06716G01R1/06722G01R1/06772G01R1/07307
    • In an electroconductive contact probe unit, the electroconductive needle member is axially slidably received in a support hole formed in an insulating support plate, and is urged by the compression coil spring wound around a stem portion of the electroconductive needle member in a direction to project out of the support hole. The inner end of the compression coil spring is provided with a closely wound portion in which adjacent turns of the coil wire contact each other in the free state of the compression coil spring. As the support plate is lowered toward the object to be tested and the compression coil spring is compressed, the compression coils snakes or otherwise curves in the support hole, causing the inner surface of the closely wound portion to come into contact with the outer circumferential surface of the stem portion. Thus, the electric signal is conducted axially through the closely wound portion, instead of the spiral path along a coarsely wound portion of the compression coil spring so that the inductance and the electric resistance of the contact probe unit can be reduced. At the same time, the coarsely wound portion of the compression coil spring provides the necessary spring force for the needle member.
    • 在导电接触探针单元中,导电针构件轴向可滑动地容纳在形成在绝缘支撑板中的支撑孔中,并且被沿着导电方向突出的方向缠绕在导电针构件的杆部分上的压缩螺旋弹簧推动 的支撑孔。 压缩螺旋弹簧的内端设置有紧密卷绕的部分,其中线圈线的相邻匝在压缩螺旋弹簧的自由状态下彼此接触。 当支撑板向被测物体降低并且压缩螺旋弹簧被压缩时,压缩线圈在支撑孔中蛇形或其它地弯曲,导致紧密缠绕部分的内表面与外圆周表面 的茎部。 因此,电信号轴向地通过紧密卷绕部分而不是沿着压缩螺旋弹簧的粗绕部分的螺旋路径传导,使得可以减小接触探针单元的电感和电阻。 同时,压缩螺旋弹簧的粗卷绕部分为针构件提供必要的弹簧力。
    • 7. 发明申请
    • LIQUID REFRIGERANT DROPPING APPARATUS FOR ABSORPTION TYPE REFRIGERATORS
    • 用于吸收式制冷器的液体制冷器卸料装置
    • WO1998019116A1
    • 1998-05-07
    • PCT/JP1997003936
    • 1997-10-29
    • RINNAI KABUSHIKI KAISHAOSAKA GAS CO., LTD.NHK SPRING CO., LTD.MARUBASHI, TsutomuKAWAMOTO, KaoruWATANABE, Kaoru
    • RINNAI KABUSHIKI KAISHAOSAKA GAS CO., LTD.NHK SPRING CO., LTD.
    • F25B37/00
    • F25B37/00F25B15/02F25B39/026F28D3/02F28D7/024Y02A30/277Y02B30/62
    • A liquid refrigerant discharge pipe extended from a lower portion of a liquid refrigerant storage container (420) communicates with the portion of a liquid refrigerant distributing pipe (421), which comprises both end-closed, substantially one-turn spirally wound pipe, which is in the vicinity of a lower end thereof, and a plurality of discharge holes (426) are provided in an upper wall portion of the liquid refrigerant distributing pipe (421). The diameter of each of the discharge holes (426) is set in accordance with a distance between each hole (426) and the portion of the liquid refrigerant distributing pipe (421) in which the liquid refrigerant discharge pipe communicates therewith, in such a manner that discharge rates of the liquid refrigerant from the discharge holes (426) become equal. When a liquid refrigerant is collected in the liquid refrigerant storage container (420), it flows in the liquid refrigerant distributing pipe (421) from a lower end thereof in the upward direction, and the liquid refrigerant is discharged at such a rate that corresponds to its liquid head pressure. The discharge rates of the liquid refrigerant from the discharge holes (426) become equal, and the liquid refrigerant flows down in a uniformly distributed manner throughout an evaporation coil (41). Since the flow of the liquid refrigerant is uniform, the performance of an evaporator becomes stable.
    • 从液体制冷剂储存容器(420)的下部延伸的液体制冷剂排出管与液体制冷剂分配管(421)的一部分连通,该液体制冷剂分配管包括两个封闭的,大致为单圈的螺旋卷绕管 在其下端附近,并且在液体制冷剂分配管(421)的上壁部分设置有多个排出孔(426)。 每个排出孔(426)的直径根据每个孔(426)和液体制冷剂排出管与其连通的液体制冷剂分配管(421)的部分之间的距离设定, 来自排出孔(426)的液体制冷剂的排出速度变得相等。 当液体制冷剂被收集在液体制冷剂储存容器420中时,它从其下端沿向上方向流入液体制冷剂分配管421,液体制冷剂以对应于 其液头压力。 来自排出孔(426)的液体制冷剂的排出速度变得相等,并且液体制冷剂以均匀分布的方式向下流过整个蒸发盘管(41)。 由于液体制冷剂的流动是均匀的,所以蒸发器的性能稳定。